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3 Contract API jobs in Kidlington + 20 miles
The ideal candidate is comfortable building API-driven services, asynchronous systems, and scalable data infrastructure deployed in containerized and orchestrated cloud environments.
The ideal candidate is comfortable building API-driven services, asynchronous systems, and scalable data infrastructure deployed in containerized and orchestrated cloud environments.
Oversee automated testing across API and service layers, UI (E2E and accessibility), and infrastructure and deployment workflows.
Oversee automated testing across API and service layers, UI (E2E and accessibility), and infrastructure and deployment workflows.
Location: Hybrid Harwell, Oxfordshire - Reports to: Head of Back End - As a Senior Python Engineer, you will rapidly understand requirements and design effective, scalable, and robust solutions aligned with best practices. You will play a key role in code reviews, contributing to sprint leadership, and alignment to company objectives while driving the highest standards in engineering quality. You will collaborate closely with cross-functional teams to identify opportunities for improvement, address technical gaps, and deliver reliable, effective solutions to satisfy requirements. As well as supporting and maintaining existing systems, you will effectively balance priorities in a fast-paced, value-driven environment. You will mentor junior team members, share knowledge and demonstrate continuous improvement across the wider team.
Location: Hybrid Harwell, Oxfordshire - Reports to: Head of Back End - As a Senior Python Engineer, you will rapidly understand requirements and design effective, scalable, and robust solutions aligned with best practices. You will play a key role in code reviews, contributing to sprint leadership, and alignment to company objectives while driving the highest standards in engineering quality. You will collaborate closely with cross-functional teams to identify opportunities for improvement, address technical gaps, and deliver reliable, effective solutions to satisfy requirements. As well as supporting and maintaining existing systems, you will effectively balance priorities in a fast-paced, value-driven environment. You will mentor junior team members, share knowledge and demonstrate continuous improvement across the wider team.
235 exact matches jobs are outside your preferred location
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Outsystems Solution Architect
Outsystems Solution Architect
Morson Edge
Gosford Green, Coventry (CV1), CV1 2LZ
£600 - 800 per day + None
OutSystems Solutions Architect - Location: Hybrid - Coventry (2-3 days onsite to begin with) Contract: Inside IR35 - Day rate: Up to £800per day - Duration: 3 Months+ Start date: ASAP - Key skills: Outsystems, Develop, integration, security, platform administration, We have for an OutSystems Solution Architect with one of the UK’s biggest utility company. The OutSystems Solution Architect will support establishment of robust governance, security, DevOps, and architectural standards for the Clients OutSystems platform * Governance framework & Operating Model: LCAP decision framework, license/commercial management framework. * Platform administration guardrails: Environments strategy, Landscape definition, Core Tools/Libraries, Extensibility patterns, Configuration Management, Platform administration. * Security Policy & Standards: Definition of MFA, RBAC, secrets management, TLS/HSTS, ...
OutSystems Solutions Architect - Location: Hybrid - Coventry (2-3 days onsite to begin with) Contract: Inside IR35 - Day rate: Up to £800per day - Duration: 3 Months+ Start date: ASAP - Key skills: Outsystems, Develop, integration, security, platform administration, We have for an OutSystems Solution Architect with one of the UK’s biggest utility company. The OutSystems Solution Architect will support establishment of robust governance, security, DevOps, and architectural standards for the Clients OutSystems platform * Governance framework & Operating Model: LCAP decision framework, license/commercial management framework. * Platform administration guardrails: Environments strategy, Landscape definition, Core Tools/Libraries, Extensibility patterns, Configuration Management, Platform administration. * Security Policy & Standards: Definition of MFA, RBAC, secrets management, TLS/HSTS, ...
PREMIUM
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ServiceNow Solution Architect
ServiceNow Solution Architect
FryerMiles Recruitment
Fenny Lock, Milton Keynes (MK1), MK1 1AS
£475 - 500 per day
Proficiency in JavaScript and REST/SOAP API integrations
Proficiency in JavaScript and REST/SOAP API integrations
Hands-on experience designing and delivering enterprise integrations using MuleSoft (Anypoint Platform), including API-led connectivity, error handling, and operational monitoring
Hands-on experience designing and delivering enterprise integrations using MuleSoft (Anypoint Platform), including API-led connectivity, error handling, and operational monitoring
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Publish, configure, and manage APIs within an API Management platform * Oversee the full API lifecycle, ensuring strong governance, performance, and security * Proven experience working with API Management platforms and API lifecycle processes * Experience with Azure API Management or comparable platforms
Publish, configure, and manage APIs within an API Management platform * Oversee the full API lifecycle, ensuring strong governance, performance, and security * Proven experience working with API Management platforms and API lifecycle processes * Experience with Azure API Management or comparable platforms
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SAP IBP Demand Planning Consultant
SAP IBP Demand Planning Consultant
Henderson Scott
Walton-On-Thames (KT12), KT12 1AE
£600 - £650 per day + 6 Months + Extensions
Design and manage SAP IBP OData API integrations and CPI flows
Design and manage SAP IBP OData API integrations and CPI flows
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Azure Mastery: Deep, proven knowledge of Azure Integration Services, including API Management, Logic Apps, Service Bus, Azure Data Factory, and Azure Functions.
Azure Mastery: Deep, proven knowledge of Azure Integration Services, including API Management, Logic Apps, Service Bus, Azure Data Factory, and Azure Functions.
FEATURED
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OutSystems Developer (LowCode Orchestration)
OutSystems Developer (LowCode Orchestration)
Infoplus Technologies UK Ltd
London
From £400 to £450 per day
Integration & API Management
Integration & API Management
Strong knowledge of data modeling and API integration.
Strong knowledge of data modeling and API integration.
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Technical Lead / Solution Architect, D365, Power Pages
Technical Lead / Solution Architect, D365, Power Pages
Sanderson Recruitment
London
£500 - £550 per day + Hybrid
Role: Technical Lead | Solution Architect - Contract: 6 month (Outside IR35) Rate: £500-£550 a day - Location: London (Hybrid) We're working with a large, established organisation delivering a major digitalisation and process-improvement programme. They're seeking an experienced Power Platform Technical Lead to help shape, build and embed enterprise-grade solutions. This is a hands-on technical leadership role where you'll combine solution architecture, delivery oversight and team leadership within an Agile and DevOps-driven environment, working with both onshore and offshore teams. * Leading the end-to-end design and delivery of Power Platform solutions * Owning technical architecture, ensuring scalability, security and best practice * Guiding development across Power Apps (Canvas & Model-Driven), Power Automate and Dataverse
Role: Technical Lead | Solution Architect - Contract: 6 month (Outside IR35) Rate: £500-£550 a day - Location: London (Hybrid) We're working with a large, established organisation delivering a major digitalisation and process-improvement programme. They're seeking an experienced Power Platform Technical Lead to help shape, build and embed enterprise-grade solutions. This is a hands-on technical leadership role where you'll combine solution architecture, delivery oversight and team leadership within an Agile and DevOps-driven environment, working with both onshore and offshore teams. * Leading the end-to-end design and delivery of Power Platform solutions * Owning technical architecture, ensuring scalability, security and best practice * Guiding development across Power Apps (Canvas & Model-Driven), Power Automate and Dataverse
FEATURED
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Strong understanding of secure API design, authentication, and authorisation
Strong understanding of secure API design, authentication, and authorisation
FEATURED
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Build and deploy automation pipelines using tools such as Zapier/Make, LLM APIs, and API/webhook integrations? Strong API integration capability and experience with automation tooling?
Build and deploy automation pipelines using tools such as Zapier/Make, LLM APIs, and API/webhook integrations? Strong API integration capability and experience with automation tooling?
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OpenAI API
OpenAI API
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API first integration, event driven architectures, and data pipelines
API first integration, event driven architectures, and data pipelines
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Experience with infrastructure-as-code, production-grade Linux environments, and API services (Flask/Gunicorn).
Experience with infrastructure-as-code, production-grade Linux environments, and API services (Flask/Gunicorn).
FEATURED
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Knowledge of Python, SQL or other API to support digital transformation.
Knowledge of Python, SQL or other API to support digital transformation.
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Tech Migration Lead - End-to-end JIRA cloud migration - sought by leading investment bank based in London - Contract - Hybrid *inside IR35 - umbrella* Key Responsibilities * Lead end-to-end Jira Cloud migration waves, including discovery, mapping, sandbox dry-runs, cutover, validation, and aftercare * Own migration governance including RAID management, dependency tracking, GO / NO-GO forums, and auditable evidence packs * Enforce adoption of a single Jira Cloud target operating model (templates, workflows, permissions, plugins) and manage exceptions * Coordinate cross-functional stakeholders across technology and business teams, managing resistance to standardisation * Define data retention and archival strategies for historical Jira content in line with regulatory requirements * Produce executive-level reporting, dashboards, and KPIs aligned to PPM and regulatory oversight ...
Tech Migration Lead - End-to-end JIRA cloud migration - sought by leading investment bank based in London - Contract - Hybrid *inside IR35 - umbrella* Key Responsibilities * Lead end-to-end Jira Cloud migration waves, including discovery, mapping, sandbox dry-runs, cutover, validation, and aftercare * Own migration governance including RAID management, dependency tracking, GO / NO-GO forums, and auditable evidence packs * Enforce adoption of a single Jira Cloud target operating model (templates, workflows, permissions, plugins) and manage exceptions * Coordinate cross-functional stakeholders across technology and business teams, managing resistance to standardisation * Define data retention and archival strategies for historical Jira content in line with regulatory requirements * Produce executive-level reporting, dashboards, and KPIs aligned to PPM and regulatory oversight ...
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.Net Developer - 2 days a week onsite in Northampton £550pd to £600pd - Inside IR35 - 8 month contract - Our client are looking for an experienced Developer to join them on a contract basis - They are a household name, operating at the forefront of the IT and engineering sectors, specialising in the development of advanced engineering software and digital tools. Due to ongoing strategic initiatives and growth in their engineering software capabilities, our Client is seeking a highly skilled Software Developer with expertise in .NET technologies. This contract position offers an exciting opportunity to contribute to the design and development of robust, maintainable software solutions that support engineering workflows. * Proven experience in designing and developing software using .NET and C#. * Proficiency in building RESTful APIs and microservices deployed via container ...
.Net Developer - 2 days a week onsite in Northampton £550pd to £600pd - Inside IR35 - 8 month contract - Our client are looking for an experienced Developer to join them on a contract basis - They are a household name, operating at the forefront of the IT and engineering sectors, specialising in the development of advanced engineering software and digital tools. Due to ongoing strategic initiatives and growth in their engineering software capabilities, our Client is seeking a highly skilled Software Developer with expertise in .NET technologies. This contract position offers an exciting opportunity to contribute to the design and development of robust, maintainable software solutions that support engineering workflows. * Proven experience in designing and developing software using .NET and C#. * Proficiency in building RESTful APIs and microservices deployed via container ...
FEATURED
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We're looking for a skilled Java Backend Engineer with strong experience in Spring and microservices to join our growing team. It is a UK based, fully remote, outside IR35, initial 6-month contract. * Build and maintain scalable microservices. * Develop REST APIs using Java & Spring. * Collaborate with cross-functional teams. * Write clean, efficient, and testable code. * Strong Java (8+) and Spring experience. * Solid background in microservices architecture. * Experience with REST APIs, Docker, and CI/CD. * Knowledge of databases (SQL). * Knowledge of Azure. Apply now to join a fast-moving, collaborative team.
We're looking for a skilled Java Backend Engineer with strong experience in Spring and microservices to join our growing team. It is a UK based, fully remote, outside IR35, initial 6-month contract. * Build and maintain scalable microservices. * Develop REST APIs using Java & Spring. * Collaborate with cross-functional teams. * Write clean, efficient, and testable code. * Strong Java (8+) and Spring experience. * Solid background in microservices architecture. * Experience with REST APIs, Docker, and CI/CD. * Knowledge of databases (SQL). * Knowledge of Azure. Apply now to join a fast-moving, collaborative team.
Python * Machine Learning * SQL * Design and develop rapid prototypes and PoCs using Python for data-driven and AI/ML use cases. * Build, train, evaluate, and fine-tune machine learning models for structured and unstructured data. * Perform data analysis, feature engineering, and experimentation to validate hypotheses. * Develop efficient SQL queries for data extraction, transformation, and analysis from relational databases. * Integrate prototypes with APIs, data pipelines, and visualization tools when required. * Translate business problems into analytical and ML solutions. * Collaborate with cross-functional teams to refine requirements and iterate on prototypes. * Ability to work independently and manage multiple tasks simultaneously. * Flexibility to adapt to changing project requirements and priorities.
Python * Machine Learning * SQL * Design and develop rapid prototypes and PoCs using Python for data-driven and AI/ML use cases. * Build, train, evaluate, and fine-tune machine learning models for structured and unstructured data. * Perform data analysis, feature engineering, and experimentation to validate hypotheses. * Develop efficient SQL queries for data extraction, transformation, and analysis from relational databases. * Integrate prototypes with APIs, data pipelines, and visualization tools when required. * Translate business problems into analytical and ML solutions. * Collaborate with cross-functional teams to refine requirements and iterate on prototypes. * Ability to work independently and manage multiple tasks simultaneously. * Flexibility to adapt to changing project requirements and priorities.
NEW
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Jira SME/ Project Lead (Jira Cloud/ Migration)
Jira SME/ Project Lead (Jira Cloud/ Migration)
Hays
London
£750.0 - £900.0 per day + £750-900 Per Day (Inside IR35)
Your new company - Working for a globally renowned bank. Your new role - The JIRA SME / Technical Migration Lead will be responsible for leading the migration of approximately 300 Jira projects from multiple Jira Data Centre environments into a single, standardised Jira Cloud platform across Finance & Risk Technology department. The role will oversee the planning and execution of phased Jira migration waves, ensuring platform consistency, minimal disruption to delivery teams, and full alignment with regulatory and governance requirements, including support for key regulatory programme. Acting as the Jira subject matter expert, the role requires deep hands-on experience with Jira administration, Jira Cloud migrations, and the wider Atlassian ecosystem, including Confluence. The position is technically focused, involving scripting, data analysis, and ETL-style data migration ...
Your new company - Working for a globally renowned bank. Your new role - The JIRA SME / Technical Migration Lead will be responsible for leading the migration of approximately 300 Jira projects from multiple Jira Data Centre environments into a single, standardised Jira Cloud platform across Finance & Risk Technology department. The role will oversee the planning and execution of phased Jira migration waves, ensuring platform consistency, minimal disruption to delivery teams, and full alignment with regulatory and governance requirements, including support for key regulatory programme. Acting as the Jira subject matter expert, the role requires deep hands-on experience with Jira administration, Jira Cloud migrations, and the wider Atlassian ecosystem, including Confluence. The position is technically focused, involving scripting, data analysis, and ETL-style data migration ...
NEW
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Front-End Developer (React and React Native)
Front-End Developer (React and React Native)
Foresters Financial
Bromley (BR2), BR2 9BF
Competitive salary
Competitive salary - Bromley, Kent - Fixed Term Contract (12 Months) Were looking for an experienced Frontend Developer (React & React Native) to join our Digital Solutions team on a 12-month fixed-term contract. In this hands-on role, youll play a key part in growing our digital platform, delivering intuitive omni-channel services for our customers, and enhancing the workflows and systems that support our customer-facing teams. Youll be involved across the full development lifecycle from collaborating with the business to understand customer needs, through design and build, to testing and release. Strong React and React Native expertise, a passion for clean, scalable front-end development, and a customer-first mindset will be critical to your success. What you will do * Design, build and maintain web applications using React
Competitive salary - Bromley, Kent - Fixed Term Contract (12 Months) Were looking for an experienced Frontend Developer (React & React Native) to join our Digital Solutions team on a 12-month fixed-term contract. In this hands-on role, youll play a key part in growing our digital platform, delivering intuitive omni-channel services for our customers, and enhancing the workflows and systems that support our customer-facing teams. Youll be involved across the full development lifecycle from collaborating with the business to understand customer needs, through design and build, to testing and release. Strong React and React Native expertise, a passion for clean, scalable front-end development, and a customer-first mindset will be critical to your success. What you will do * Design, build and maintain web applications using React
FEATURED
Data Architect? Visual Storyteller? Power BI Expert? 6Months Contract - London/Sheffield - Hybrid. Our client-a leading organization within the Operations sector-is looking for a high-caliber Contract Power BI Developer to join their Data Intelligence & Analytics team. The Mission - You will take full ownership of the Power BI lifecycle, translating complex business needs into high-performance, user-focused solutions. Operating in an agile, fast-paced environment, you will bridge the gap between technical data engineering and executive insights. What You'll Be Doing * Architecting Models: Designing robust semantic models using star schema principles and managing complex relationships. * Engineering DAX: Writing sophisticated measures and time-intelligence logic while ensuring every calculation is optimized for performance.
Data Architect? Visual Storyteller? Power BI Expert? 6Months Contract - London/Sheffield - Hybrid. Our client-a leading organization within the Operations sector-is looking for a high-caliber Contract Power BI Developer to join their Data Intelligence & Analytics team. The Mission - You will take full ownership of the Power BI lifecycle, translating complex business needs into high-performance, user-focused solutions. Operating in an agile, fast-paced environment, you will bridge the gap between technical data engineering and executive insights. What You'll Be Doing * Architecting Models: Designing robust semantic models using star schema principles and managing complex relationships. * Engineering DAX: Writing sophisticated measures and time-intelligence logic while ensuring every calculation is optimized for performance.
FEATURED
Related Jobs
Locations
- Englefield Green
- Fenny Lock
- Gosford Green
- Granby Industrial Estate
- Harmondsworth
- Milton Keynes
- Birmingham
- Corsham
- Wokingham
- Coventry
- Bromley
- Camberley
- Didcot
- Egham
- Guildford
- London
- Buckinghamshire
- West Midlands
- Berkshire
- Surrey
- Oxfordshire
- Wiltshire
- Hertfordshire
- Northamptonshire
- South East
- Midlands
- South West
- East Midlands