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        2 Contract API jobs in Barnsley + 20 miles

        MS Dynamics 365 Developer

        Infoplus Technologies UK Ltd
        Leeds (LS10)
        From £350 to £400 per day
        Implement complex integrations using Azure services (Logic Apps, Functions, Service Bus, API Management).
        Implement complex integrations using Azure services (Logic Apps, Functions, Service Bus, API Management).
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        IAM Architect

        Stackstudio Digital Ltd.
        Leeds (LS1)
        From £500 to £550 per day
        Good knowledge of identity and security protocols such as SAML, OAuth2, OpenID Connect, LDAP, SCIM, Kerberos, and API-based integrations
        Good knowledge of identity and security protocols such as SAML, OAuth2, OpenID Connect, LDAP, SCIM, Kerberos, and API-based integrations
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        18 exact matches jobs are outside your preferred location

        The Role- The Solution Architect is responsible for defining target architectures across business, application, data and technology domains for different projects within a large-scale Oracle Cloud transformation program. They will need to ensure solutions align with enterprise design principles and business objectives, and that Oracle SaaS, PaaS and OCI components are integrated within the enterprise architecture framework. Develop solution architectures for specific Oracle Fusion Cloud projects (ERP, SCM EPM, OTM, CX) integrations, data flows and infrastructure - Ensure solution designs developed adhere to enterprise standards and architectural principles - Collaborate with business, functional and technical teams to define solutions - Align to solution governance, architecture reviews, risk assessments and design validations
        The Role- The Solution Architect is responsible for defining target architectures across business, application, data and technology domains for different projects within a large-scale Oracle Cloud transformation program. They will need to ensure solutions align with enterprise design principles and business objectives, and that Oracle SaaS, PaaS and OCI components are integrated within the enterprise architecture framework. Develop solution architectures for specific Oracle Fusion Cloud projects (ERP, SCM EPM, OTM, CX) integrations, data flows and infrastructure - Ensure solution designs developed adhere to enterprise standards and architectural principles - Collaborate with business, functional and technical teams to define solutions - Align to solution governance, architecture reviews, risk assessments and design validations
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        Oracle Fusion Lead Data Architect

        Stackstudio Digital Ltd.
        Nottingham (NG1)
        From £600 to £625 per day
        Job DescriptionRole Details * Role/Job Title: Oracle Fusion Lead Data Architect * Work Location: Alternating between 2-3 days a week in customer's location in Nottingham and TCS London * Hybrid Requirement: 2-3 days * Duration of Assignment: 6 months - The Role - Oracle Fusion Data Architect to lead the data strategy, architecture, integration and migration activities for Oracle Fusion Cloud implementation. Should have knowledge of Oracle Fusion data models across multiple modules (Financials, SCM, EPM etc), strong expertise in ETL, data governance and cloud data integration tools. Your Responsibilities(Up to 10, Avoid repetition) * Define and lead the data architecture strategy for Oracle Fusion Cloud applications across various business domains * Design end-to-end data solutions, including data modeling, integration architecture and migration plan for on-premise to cloud ...
        Job DescriptionRole Details * Role/Job Title: Oracle Fusion Lead Data Architect * Work Location: Alternating between 2-3 days a week in customer's location in Nottingham and TCS London * Hybrid Requirement: 2-3 days * Duration of Assignment: 6 months - The Role - Oracle Fusion Data Architect to lead the data strategy, architecture, integration and migration activities for Oracle Fusion Cloud implementation. Should have knowledge of Oracle Fusion data models across multiple modules (Financials, SCM, EPM etc), strong expertise in ETL, data governance and cloud data integration tools. Your Responsibilities(Up to 10, Avoid repetition) * Define and lead the data architecture strategy for Oracle Fusion Cloud applications across various business domains * Design end-to-end data solutions, including data modeling, integration architecture and migration plan for on-premise to cloud ...
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        Work in a cross-functional engineering team to design, enable and develop software features that support the UK API Gateway * Bonus: experience with procedural languages (e.g. Lua/Go) and/or writing API plugins
        Work in a cross-functional engineering team to design, enable and develop software features that support the UK API Gateway * Bonus: experience with procedural languages (e.g. Lua/Go) and/or writing API plugins
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        Integration Engineer

        MYDENTIST GROUP LIMITED
        Kearsley, Bolton (BL4)
        Competitive
        Design, develop, test, deploy, and maintain enterprise grade integration solutions using Boomi AtomSphere and Azure Integration Services (including Azure API Management).
        Design, develop, test, deploy, and maintain enterprise grade integration solutions using Boomi AtomSphere and Azure Integration Services (including Azure API Management).
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        You'll define the security architecture that product and AI teams build on top of, embedding secure defaults into every layer from tenant provisioning to model serving to API response handling. * Architect API security controls input validation frameworks, output encoding, rate limiting, request signing, and abuse prevention as platform-level primitives, not per-team afterthoughts. * Shape the platform's API strategy versioning, deprecation policies, developer-facing auth (API keys, OAuth client credentials), and webhook signature verification. * Design audit logging and tamper-evident trails at the application layer who accessed what data, when, through which API, with what authorization context including AI model decisions and their inputs. * Experience with runtime protection tooling: RASP, WAF tuning, or API security gateways (Salt Security, 42Crunch, or similar).
        You'll define the security architecture that product and AI teams build on top of, embedding secure defaults into every layer from tenant provisioning to model serving to API response handling. * Architect API security controls input validation frameworks, output encoding, rate limiting, request signing, and abuse prevention as platform-level primitives, not per-team afterthoughts. * Shape the platform's API strategy versioning, deprecation policies, developer-facing auth (API keys, OAuth client credentials), and webhook signature verification. * Design audit logging and tamper-evident trails at the application layer who accessed what data, when, through which API, with what authorization context including AI model decisions and their inputs. * Experience with runtime protection tooling: RASP, WAF tuning, or API security gateways (Salt Security, 42Crunch, or similar).
        more
        Join us at a pivotal moment in our tech and product transformation, where innovation, simplification, and impact drive everything we do. As part of our Property Experience team, youll help shape how guests discover, trust, and engage with property content across our platforms. Your mission - As our new Associate Software Engineer, your mission is to support the development of intuitive, high-quality user experiences and the services that power them. Youll contribute to building and evolving systems that manage property content and customer reviews, helping ensure our platforms are engaging, reliable, and scalable for guests, property owners, and internal teams. What you'll be doing * Build and deliver front-end solutions that power property content and review experiences across our platforms * Contribute to the development of supporting APIs and services, with opportunities ...
        Join us at a pivotal moment in our tech and product transformation, where innovation, simplification, and impact drive everything we do. As part of our Property Experience team, youll help shape how guests discover, trust, and engage with property content across our platforms. Your mission - As our new Associate Software Engineer, your mission is to support the development of intuitive, high-quality user experiences and the services that power them. Youll contribute to building and evolving systems that manage property content and customer reviews, helping ensure our platforms are engaging, reliable, and scalable for guests, property owners, and internal teams. What you'll be doing * Build and deliver front-end solutions that power property content and review experiences across our platforms * Contribute to the development of supporting APIs and services, with opportunities ...
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        Founded in 2017, Obsidian Security was created to close a critical gap: securing the SaaS applications where modern business happensplatforms like Microsoft 365, Salesforce, and hundreds more. Backed by top investors including Greylock, Norwest Venture Partners, and IVP, we've built a complete SaaS security platform to reduce risk, detect and respond to threats, and prevent breaches at the source. Our team includes leaders who helped define the categories of endpoint and identity security at CrowdStrike, Okta, Cylance, and Carbon Black. Now, we're transforming how SaaS is securedin the era of agentic AI. Today, Obsidian is trusted by global enterprises like Snowflake, T-Mobile, and Pure Storage. We protect more than 200 organizations across North America, Europe, the Middle East, Southeast Asia, Australia, and New Zealandincluding many of the world's largest Fortune 1000 ...
        Founded in 2017, Obsidian Security was created to close a critical gap: securing the SaaS applications where modern business happensplatforms like Microsoft 365, Salesforce, and hundreds more. Backed by top investors including Greylock, Norwest Venture Partners, and IVP, we've built a complete SaaS security platform to reduce risk, detect and respond to threats, and prevent breaches at the source. Our team includes leaders who helped define the categories of endpoint and identity security at CrowdStrike, Okta, Cylance, and Carbon Black. Now, we're transforming how SaaS is securedin the era of agentic AI. Today, Obsidian is trusted by global enterprises like Snowflake, T-Mobile, and Pure Storage. We protect more than 200 organizations across North America, Europe, the Middle East, Southeast Asia, Australia, and New Zealandincluding many of the world's largest Fortune 1000 ...
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        About ENSEK - ENSEK builds the cloud-native SaaS software thats transforming how energy retailers operate, innovate and manage at scale. We help retailers lower operating costs, improve billing accuracy for consumers, and enhance customer experience through automation and AI-driven insight, all underpinned by modern, cloud-native architecture. ENSEK is at an exciting inflection point as we scale at pace towards new international horizons. If youre driven by solving complex, real-world problems and want to build modern technology that accelerates the global energy transition, youll feel right at home with us. Reporting to the Head of Payments, Risk and Collections, the Payments & Refund Processing Product Manager will own the full payment processing lifecycle. This includes all credit and debit transactions in our large portfolio of payment methods, mechanisms and channels.
        About ENSEK - ENSEK builds the cloud-native SaaS software thats transforming how energy retailers operate, innovate and manage at scale. We help retailers lower operating costs, improve billing accuracy for consumers, and enhance customer experience through automation and AI-driven insight, all underpinned by modern, cloud-native architecture. ENSEK is at an exciting inflection point as we scale at pace towards new international horizons. If youre driven by solving complex, real-world problems and want to build modern technology that accelerates the global energy transition, youll feel right at home with us. Reporting to the Head of Payments, Risk and Collections, the Payments & Refund Processing Product Manager will own the full payment processing lifecycle. This includes all credit and debit transactions in our large portfolio of payment methods, mechanisms and channels.
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        Senior Software Engineer

        Pragma Broadvertising - EASA
        Manchester, Greater Manchester
        Competitive
        Req #813 Manchester, UK - Job Description Posted Thursday, 16 April 2026, 19:00 - A bit about us - At Gamma, were more than just a leader in Unified Communications as a Service (UCaaS). Were a fast-moving technology organisation delivering innovative voice, data, and mobile solutions across Europe. Our product and service portfolio is at the heart of what we do powering reliable, scalable communications for thousands of businesses. Behind the scenes, our engineering teams design, build, and maintain the software systems that generate real business impact. We combine the agility of a start-up mindset with the stability of a leading European business. Collaboration, ownership, and continuous improvement define how we work and were always looking for people who want to build meaningful technology at scale. Who are we looking for?
        Req #813 Manchester, UK - Job Description Posted Thursday, 16 April 2026, 19:00 - A bit about us - At Gamma, were more than just a leader in Unified Communications as a Service (UCaaS). Were a fast-moving technology organisation delivering innovative voice, data, and mobile solutions across Europe. Our product and service portfolio is at the heart of what we do powering reliable, scalable communications for thousands of businesses. Behind the scenes, our engineering teams design, build, and maintain the software systems that generate real business impact. We combine the agility of a start-up mindset with the stability of a leading European business. Collaboration, ownership, and continuous improvement define how we work and were always looking for people who want to build meaningful technology at scale. Who are we looking for?
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        Software Engineer

        MHR International UK Limited
        Nottingham, Nottinghamshire
        Competitive
        At MHR, our employees are central to our success and play a key role in helping customers achieve sustainable high performance. With a team of over 900 professionals, we work to make things flow smoothly, whether it's for large organisations or individual employees. As businesses face rapid changes in the world of work, our team is here to help them adapt and thrive.€ By focusing on the core needs of efficiency, productivity, growth, and impact, our employees use their expertise to deliver real solutions through our People and Finance platform. This system, which covers finance, HR, payroll, and learning, helps businesses run more smoothly and make better decisions in real time. With over 40 years of experience behind us, MHRs track record as a high-performance organisation is built on clear goals, a shared vision, and strong communication - all of which we pass on to our ...
        At MHR, our employees are central to our success and play a key role in helping customers achieve sustainable high performance. With a team of over 900 professionals, we work to make things flow smoothly, whether it's for large organisations or individual employees. As businesses face rapid changes in the world of work, our team is here to help them adapt and thrive.€ By focusing on the core needs of efficiency, productivity, growth, and impact, our employees use their expertise to deliver real solutions through our People and Finance platform. This system, which covers finance, HR, payroll, and learning, helps businesses run more smoothly and make better decisions in real time. With over 40 years of experience behind us, MHRs track record as a high-performance organisation is built on clear goals, a shared vision, and strong communication - all of which we pass on to our ...
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        • Understanding of Microsoft Graph, automation tooling, and API?based platform integrations.
        • Understanding of Microsoft Graph, automation tooling, and API?based platform integrations.
        PREMIUM
        Location: UK / Remote / Hybrid - Contract Type: Contract / Interim - About the Role - We are seeking Developers across multiple specialisms to join multidisciplinary digital teams within central government. You will help design, build and support high-quality, user-centred digital services delivered in line with GDS and modern engineering practices. Key Responsibilities * Build, test, deploy and iterate secure digital services across discovery, alpha, beta and live phases. * Collaborate closely with designers, user researchers, content designers, product managers and delivery teams to create user-centred solutions. * Apply government-wide accessibility and inclusive design standards to ensure services work for all users. * Support live service operations, including monitoring, troubleshooting and continual improvement.
        Location: UK / Remote / Hybrid - Contract Type: Contract / Interim - About the Role - We are seeking Developers across multiple specialisms to join multidisciplinary digital teams within central government. You will help design, build and support high-quality, user-centred digital services delivered in line with GDS and modern engineering practices. Key Responsibilities * Build, test, deploy and iterate secure digital services across discovery, alpha, beta and live phases. * Collaborate closely with designers, user researchers, content designers, product managers and delivery teams to create user-centred solutions. * Apply government-wide accessibility and inclusive design standards to ensure services work for all users. * Support live service operations, including monitoring, troubleshooting and continual improvement.
        more
        PREMIUM
        Job Title:ServiceNow Architect - Focus:Enterprise Integrations | Telecom/Satcom - Location:Remote (UK-based) Experience Level:10-18 years - Role Overview - We are seeking an experienced Solution Architect with deep expertise in the ServiceNow platform and enterprise integrations within the Telecom/Satcom domain. This role will lead the design and delivery of scalable, resilient solutions across complex global environments. You will combine strong technical leadership with the ability to engage stakeholders across business and technology functions, driving architectural excellence in fast-paced and evolving settings. Key ResponsibilitiesArchitecture & Solution Design * Define and own end-to-end ServiceNow architecture aligned to telecom/satcom business processes and enterprise standards * Design scalable, secure, and maintainable solutions across ServiceNow modules (ITSM, ITOM, CSM)
        Job Title:ServiceNow Architect - Focus:Enterprise Integrations | Telecom/Satcom - Location:Remote (UK-based) Experience Level:10-18 years - Role Overview - We are seeking an experienced Solution Architect with deep expertise in the ServiceNow platform and enterprise integrations within the Telecom/Satcom domain. This role will lead the design and delivery of scalable, resilient solutions across complex global environments. You will combine strong technical leadership with the ability to engage stakeholders across business and technology functions, driving architectural excellence in fast-paced and evolving settings. Key ResponsibilitiesArchitecture & Solution Design * Define and own end-to-end ServiceNow architecture aligned to telecom/satcom business processes and enterprise standards * Design scalable, secure, and maintainable solutions across ServiceNow modules (ITSM, ITOM, CSM)
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        Senior Product Manager - Public Sector - SC Cleared * Hybrid Working - Exeter * £563.42 Inside IR35 * 10 Months - Talent Consulting is looking for experienced Product Manager to help shape and improve the internal platforms that our developers, scientists and service teams rely on every day. You'll join Platform Technology - a part of the organisation responsible for shared, cross-cutting capabilities such as developer tools, APIs, data pipelines and infrastructure services. Your job is to make these platforms reliable, discoverable and enabling: reducing delivery friction, improving user experience, and helping downstream service teams ship faster and more safely. * Support the development of a business case to invest in service enhancements and engagements with third party suppliers * Own the roadmap and backlog for one or more shared technology platforms and deliver to the ...
        Senior Product Manager - Public Sector - SC Cleared * Hybrid Working - Exeter * £563.42 Inside IR35 * 10 Months - Talent Consulting is looking for experienced Product Manager to help shape and improve the internal platforms that our developers, scientists and service teams rely on every day. You'll join Platform Technology - a part of the organisation responsible for shared, cross-cutting capabilities such as developer tools, APIs, data pipelines and infrastructure services. Your job is to make these platforms reliable, discoverable and enabling: reducing delivery friction, improving user experience, and helping downstream service teams ship faster and more safely. * Support the development of a business case to invest in service enhancements and engagements with third party suppliers * Own the roadmap and backlog for one or more shared technology platforms and deliver to the ...
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        js - Deep understanding of asynchronous programming, API development, and backend services.
        js - Deep understanding of asynchronous programming, API development, and backend services.
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        Integration Developer

        Oscar Associates (UK) Limited
        London
        £525 - £550 per annum
        We're looking for a skilled Integration Developer / Platform Engineer to help build and scale our integration landscape across a mix of SaaS solutions and internally developed systems. This role is ideal for someone who enjoys working with APIs, automation, and modern infrastructure practices to deliver secure, high-performing integrations. * Build and maintain integrations between cloud-based platforms and internal applications * Work closely with engineering and business teams to deliver reliable, scalable integration solutions - If you're passionate about building robust integrations and enjoy working in a collaborative, forward-thinking environment, apply now! What You'll Be Doing * Publish, configure, and manage APIs within an API Management platform * Oversee the full API lifecycle, ensuring strong governance, performance, and security * Develop automation tools and services using .NET technologies
        We're looking for a skilled Integration Developer / Platform Engineer to help build and scale our integration landscape across a mix of SaaS solutions and internally developed systems. This role is ideal for someone who enjoys working with APIs, automation, and modern infrastructure practices to deliver secure, high-performing integrations. * Build and maintain integrations between cloud-based platforms and internal applications * Work closely with engineering and business teams to deliver reliable, scalable integration solutions - If you're passionate about building robust integrations and enjoy working in a collaborative, forward-thinking environment, apply now! What You'll Be Doing * Publish, configure, and manage APIs within an API Management platform * Oversee the full API lifecycle, ensuring strong governance, performance, and security * Develop automation tools and services using .NET technologies
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        Job Title: DevOps Automation Engineer Were seeking an Automation Engineer who excels at turning complex operational workflows into secure, scalable, and dependable automated solutions. In this position, youll work closely with product stakeholders, gain a deep understanding of end-to-end processes, and design automation that delivers consistent, high-quality performance at scale. * Lead the end-to-end delivery of automation, from testing through to implementation * Partner with product and engineering teams to assess workflows and identify automation opportunities * Architect and implement robust, high-performance automation solutions * Apply security-by-default practices across all automation work * Hands-on experience delivering Ansible-based automation. Responsibilities * Continuously monitor, troubleshoot, and optimise automated workflows for reliability and scalability
        Job Title: DevOps Automation Engineer Were seeking an Automation Engineer who excels at turning complex operational workflows into secure, scalable, and dependable automated solutions. In this position, youll work closely with product stakeholders, gain a deep understanding of end-to-end processes, and design automation that delivers consistent, high-quality performance at scale. * Lead the end-to-end delivery of automation, from testing through to implementation * Partner with product and engineering teams to assess workflows and identify automation opportunities * Architect and implement robust, high-performance automation solutions * Apply security-by-default practices across all automation work * Hands-on experience delivering Ansible-based automation. Responsibilities * Continuously monitor, troubleshoot, and optimise automated workflows for reliability and scalability
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        An established and globally recognised organisation is seeking a Senior Platform Engineer to take a leading role in shaping and governing the cloud based data platforms that power footballing insight and decision making. You’ll be responsible for designing, provisioning and managing the club’s football data cloud estate, ensuring platforms are secure, scalable and built to support advanced analytics. This role blends deep Azure expertise with strong governance, automation and platform engineering principles. • Identify platform risks, bottlenecks and improvement opportunities • Extensive hands on experience designing and operating production Azure platforms • Experience with Databricks and modern cloud based data platforms This is a fully onsite position, working closely with high performance teams in a fast moving, elite environment.
        An established and globally recognised organisation is seeking a Senior Platform Engineer to take a leading role in shaping and governing the cloud based data platforms that power footballing insight and decision making. You’ll be responsible for designing, provisioning and managing the club’s football data cloud estate, ensuring platforms are secure, scalable and built to support advanced analytics. This role blends deep Azure expertise with strong governance, automation and platform engineering principles. • Identify platform risks, bottlenecks and improvement opportunities • Extensive hands on experience designing and operating production Azure platforms • Experience with Databricks and modern cloud based data platforms This is a fully onsite position, working closely with high performance teams in a fast moving, elite environment.
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        PREMIUM
        A globally recognised financial markets infrastructure firm is hiring a Senior Platform Architect to play a pivotal role in transforming a high-profile, business-critical platform. You'll take ownership of architectural direction across a globally distributed engineering function, working closely with senior stakeholders to shape how the platform evolves - both technically and commercially. * Proven experience as a Platform / Solution Architect in modern cloud environments - This is a true transformation piece - moving from a complex legacy estate toward a modern, cloud-native, scalable platform that directly underpins core business operations. * Define and own the platform architecture strategy across multiple teams and regions * Engage senior stakeholders across tech and business, translating architecture into real commercial outcomes
        A globally recognised financial markets infrastructure firm is hiring a Senior Platform Architect to play a pivotal role in transforming a high-profile, business-critical platform. You'll take ownership of architectural direction across a globally distributed engineering function, working closely with senior stakeholders to shape how the platform evolves - both technically and commercially. * Proven experience as a Platform / Solution Architect in modern cloud environments - This is a true transformation piece - moving from a complex legacy estate toward a modern, cloud-native, scalable platform that directly underpins core business operations. * Define and own the platform architecture strategy across multiple teams and regions * Engage senior stakeholders across tech and business, translating architecture into real commercial outcomes
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        FEATURED
        This is a pure developer role, reporting to the Platform Lead, focused on building and supporting a mature Microsoft Power Platform and Dynamics 365 estate. * Support and continuously improve an existing D365 and Power Platform estate - A leading financial services organisation is seeking a hands-onPower Platform Support Developerto join its in-house PP team. * Act as a technical SME within the Power Platform/D365 change portfolio * Strong hands-on experience with Power Platform and Dynamics 365 * Develop and enhance solutions using Power Apps (Model-Driven & Canvas) and Power Automate * Produce clear technical and support documentation - London/Hybrid - Circa £55k + Bonus + Benefits - The role * Contribute to solution design in line with security, integration and governance standards * Work closely with business stakeholders to turn loosely defined requirements into practical solutions - Experience & background
        This is a pure developer role, reporting to the Platform Lead, focused on building and supporting a mature Microsoft Power Platform and Dynamics 365 estate. * Support and continuously improve an existing D365 and Power Platform estate - A leading financial services organisation is seeking a hands-onPower Platform Support Developerto join its in-house PP team. * Act as a technical SME within the Power Platform/D365 change portfolio * Strong hands-on experience with Power Platform and Dynamics 365 * Develop and enhance solutions using Power Apps (Model-Driven & Canvas) and Power Automate * Produce clear technical and support documentation - London/Hybrid - Circa £55k + Bonus + Benefits - The role * Contribute to solution design in line with security, integration and governance standards * Work closely with business stakeholders to turn loosely defined requirements into practical solutions - Experience & background
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        Frequently Asked Questions

        How many contract API jobs are there in Barnsley?
        There are 2 contract API jobs within 20 miles of Barnsley available on CWJobs right now.

        What other similar jobs are there to contract API jobs in Barnsley?
        As well as contract API jobs in Barnsley, you can find contract IT, Software Development, Architecture, amongst many others.