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        0 Contract API jobs in Cornwall + 20 miles

        18 exact matches jobs are outside your preferred location

        API Integration Developer - Remote - £400+ per day

        Exalto Consulting ltd
        Other
        £400+ per day Inside IR35
        API Integration Developer - Exalto Consulting are working with a client on a large-scale integration migration programme and is looking to bring in experienced API Integration Developers. You’ll be working across a mix of API-led and file-based integrations, helping to design, build and transition services in a way that is stable, clear and aligned with the wider platform architecture. * Building and supporting REST API integrations between systems * Working across both real-time (API) and file-based (SFTP/MFT) integration workflows * Strong experience building REST API integrations (typically 5+ years)
        API Integration Developer - Exalto Consulting are working with a client on a large-scale integration migration programme and is looking to bring in experienced API Integration Developers. You’ll be working across a mix of API-led and file-based integrations, helping to design, build and transition services in a way that is stable, clear and aligned with the wider platform architecture. * Building and supporting REST API integrations between systems * Working across both real-time (API) and file-based (SFTP/MFT) integration workflows * Strong experience building REST API integrations (typically 5+ years)
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        Hands-on Experience working with Business Rules, Client Scripts, UI Policies, UI Scripts, UI Actions, UI Pages, Script Includes, Access Control Lists, API's, Service Portal etc...
        Hands-on Experience working with Business Rules, Client Scripts, UI Policies, UI Scripts, UI Actions, UI Pages, Script Includes, Access Control Lists, API's, Service Portal etc...
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        Contract Solution Architect SaaS / Integration / Identity - Midlands (Hybrid Working) Up to £750 per day (Inside IR35) 6-Month Initial Contract | Immediate Start - Active SC Clearance Required - We are supporting a globally recognised engineering and technology organisation operating at the forefront of advanced aerospace, defence, and power systems. They are seeking an experienced Solution Architect to support a major enterprise SaaS platform programme within a highly secure environment. This role will be instrumental in designing end-to-end architectures and ensuring new platforms integrate securely and effectively within a complex enterprise landscape. As a Solution Architect, you will assess the current technology landscape and produce high-level architectural designs that enable secure and scalable SaaS platform implementations.
        Contract Solution Architect SaaS / Integration / Identity - Midlands (Hybrid Working) Up to £750 per day (Inside IR35) 6-Month Initial Contract | Immediate Start - Active SC Clearance Required - We are supporting a globally recognised engineering and technology organisation operating at the forefront of advanced aerospace, defence, and power systems. They are seeking an experienced Solution Architect to support a major enterprise SaaS platform programme within a highly secure environment. This role will be instrumental in designing end-to-end architectures and ensuring new platforms integrate securely and effectively within a complex enterprise landscape. As a Solution Architect, you will assess the current technology landscape and produce high-level architectural designs that enable secure and scalable SaaS platform implementations.
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        Senior Full Stack Engineer (Python Focused) Outisde IR35 up to £525 - Intial 6 month contract, high chance of extension - I am recruiting for multiple Full Stack Engineers to help our client build scalable, high-performance applications and contribute across both backend and frontend systems. This role involves working on modern production systems, building APIs and services, and collaborating with cross-functional teams to deliver reliable and user-focused products. Key Responsibilities * Build prototypes and evolve them into scalable, production-ready applications * Develop and maintain backend services and APIs in Python * Contribute to frontend development, building responsive and intuitive user interfaces in React * Design and implement data workflows and system integrations * Work with cloud infrastructure and distributed systems
        Senior Full Stack Engineer (Python Focused) Outisde IR35 up to £525 - Intial 6 month contract, high chance of extension - I am recruiting for multiple Full Stack Engineers to help our client build scalable, high-performance applications and contribute across both backend and frontend systems. This role involves working on modern production systems, building APIs and services, and collaborating with cross-functional teams to deliver reliable and user-focused products. Key Responsibilities * Build prototypes and evolve them into scalable, production-ready applications * Develop and maintain backend services and APIs in Python * Contribute to frontend development, building responsive and intuitive user interfaces in React * Design and implement data workflows and system integrations * Work with cloud infrastructure and distributed systems
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        Senior Full Stack Engineer - Outisde IR35 up to £525 - Intial 6 month contract, high chance of extension - I am recruiting for multiple Full Stack Engineers to help our client build scalable, high-performance applications and contribute across both backend and frontend systems. This role involves working on modern production systems, building APIs and services, and collaborating with cross-functional teams to deliver reliable and user-focused products. Key Responsibilities * Build prototypes and evolve them into scalable, production-ready applications * Develop and maintain backend services and APIs in Node/Python * Contribute to frontend development, building responsive and intuitive user interfaces in React * Design and implement data workflows and system integrations * Work with cloud infrastructure and distributed systems
        Senior Full Stack Engineer - Outisde IR35 up to £525 - Intial 6 month contract, high chance of extension - I am recruiting for multiple Full Stack Engineers to help our client build scalable, high-performance applications and contribute across both backend and frontend systems. This role involves working on modern production systems, building APIs and services, and collaborating with cross-functional teams to deliver reliable and user-focused products. Key Responsibilities * Build prototypes and evolve them into scalable, production-ready applications * Develop and maintain backend services and APIs in Node/Python * Contribute to frontend development, building responsive and intuitive user interfaces in React * Design and implement data workflows and system integrations * Work with cloud infrastructure and distributed systems
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        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.
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        PREMIUM
        Job Title: Java Developer - Rate: £400 (InsideIR35) Duration: 12 Months - Location: Remote - Clearance: BPSS - Stages: 1 Stage - Must Have Government Experience - Key Responsibilities * Design, develop, and maintain Java applications in line with digital and engineering standards * Build and supportmicroservicesandRESTful APIs * Collaborate with product owners, designers, testers, and DevOps engineers in agile teams * Write clean, maintainable, and well-tested code (TDD/BDD where applicable) * Participate in code reviews and contribute to continuous improvement * Ensure applications meetsecurity, accessibility, and performancestandards * Troubleshoot and resolve defects across development and production environments * Support CI/CD pipelines and automated deployment processes - Essential Skills & Experience * Strong commercial experience withJava (Java 8+)
        Job Title: Java Developer - Rate: £400 (InsideIR35) Duration: 12 Months - Location: Remote - Clearance: BPSS - Stages: 1 Stage - Must Have Government Experience - Key Responsibilities * Design, develop, and maintain Java applications in line with digital and engineering standards * Build and supportmicroservicesandRESTful APIs * Collaborate with product owners, designers, testers, and DevOps engineers in agile teams * Write clean, maintainable, and well-tested code (TDD/BDD where applicable) * Participate in code reviews and contribute to continuous improvement * Ensure applications meetsecurity, accessibility, and performancestandards * Troubleshoot and resolve defects across development and production environments * Support CI/CD pipelines and automated deployment processes - Essential Skills & Experience * Strong commercial experience withJava (Java 8+)
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        Location: Remote - Duration: 12 months with possible extension - Rate: Up to £550 per day via an approved umbrella company - Must be willing and eligible to go through the SC Clearance process - Our client, a reputable organisation in the IT sector, is hiring for a skilled SC Cleared Salesforce Developer to join a dynamic team on a 12-month contract, with the possibility of extension. This is an excellent opportunity to work on high-profile projects remotely, supporting critical infrastructure. * Developing and customising Salesforce solutions using Apex, Visualforce, and Lightning Components. * Designing and implementing Salesforce architecture, including data models, workflows, and business processes. * Configuring Salesforce environments, including setup, integrations, and customisations. * Troubleshooting complex technical issues and debugging code to ensure optimal performance.
        Location: Remote - Duration: 12 months with possible extension - Rate: Up to £550 per day via an approved umbrella company - Must be willing and eligible to go through the SC Clearance process - Our client, a reputable organisation in the IT sector, is hiring for a skilled SC Cleared Salesforce Developer to join a dynamic team on a 12-month contract, with the possibility of extension. This is an excellent opportunity to work on high-profile projects remotely, supporting critical infrastructure. * Developing and customising Salesforce solutions using Apex, Visualforce, and Lightning Components. * Designing and implementing Salesforce architecture, including data models, workflows, and business processes. * Configuring Salesforce environments, including setup, integrations, and customisations. * Troubleshooting complex technical issues and debugging code to ensure optimal performance.
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        FEATURED
        Location: Remote (UK / Europe) Rate: £400 £500 per day (Outside IR35) Duration: 6 Months - Start Date: ASAP - Company: 167 Solutions Ltd (on behalf of a global client) Overview - 167 Solutions Ltd is hiring a Salesforce Developer (Contract) to support a large-scale Salesforce transformation programme. This is a fully remote opportunity working within an enterprise environment across multiple Salesforce Clouds. Key Responsibilities * Design, develop and implement Salesforce solutions using Apex and Lightning Web Components (LWC) * Customise Salesforce across Sales Cloud, Service Cloud and Experience Cloud * Build and maintain integrations using REST/SOAP APIs * Work closely with Architects, Consultants and stakeholders to deliver scalable solutions * Support data migration, data modelling and system optimisation * Follow Salesforce best practices, CI/CD and deployment processes
        Location: Remote (UK / Europe) Rate: £400 £500 per day (Outside IR35) Duration: 6 Months - Start Date: ASAP - Company: 167 Solutions Ltd (on behalf of a global client) Overview - 167 Solutions Ltd is hiring a Salesforce Developer (Contract) to support a large-scale Salesforce transformation programme. This is a fully remote opportunity working within an enterprise environment across multiple Salesforce Clouds. Key Responsibilities * Design, develop and implement Salesforce solutions using Apex and Lightning Web Components (LWC) * Customise Salesforce across Sales Cloud, Service Cloud and Experience Cloud * Build and maintain integrations using REST/SOAP APIs * Work closely with Architects, Consultants and stakeholders to deliver scalable solutions * Support data migration, data modelling and system optimisation * Follow Salesforce best practices, CI/CD and deployment processes
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        £450 per day Fully Remote (UK-based) Occasional Out-of-Hours Work Required Im supporting a long-term programme looking for an experienced Scala Developer to join a high-performing engineering team on a 12-month Outside IR35 contract. * Strong commercial experience with Scala * Experience building high-quality, scalable backend services * Exposure to microservices, REST APIs, functional programming * Strong understanding of CI/CD and modern engineering practices * Cloud experience (AWS ideally) * Able to support occasional out-of-hours work when required?? * £450/day (Outside IR35) * 12 months * Remote * Immediate interviews & quick onboarding If youre available and interested, drop me a message or send over your CV.
        £450 per day Fully Remote (UK-based) Occasional Out-of-Hours Work Required Im supporting a long-term programme looking for an experienced Scala Developer to join a high-performing engineering team on a 12-month Outside IR35 contract. * Strong commercial experience with Scala * Experience building high-quality, scalable backend services * Exposure to microservices, REST APIs, functional programming * Strong understanding of CI/CD and modern engineering practices * Cloud experience (AWS ideally) * Able to support occasional out-of-hours work when required?? * £450/day (Outside IR35) * 12 months * Remote * Immediate interviews & quick onboarding If youre available and interested, drop me a message or send over your CV.
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        FEATURED
        About Nerdio - At Nerdio, our mission is to simplify the lives of IT professionals and maximize their Microsoft cloud and end user computing investments. We support organizations of all sizes looking to deploy, manage, and cost-optimize native Microsoft technologies. We partner with Enterprises and Managed Service Providers all over the world to add value on top of their existing native Microsoft investments like Azure Virtual Desktop (AVD), Windows 365, and Microsoft Intune. Created in 2016, Nerdio has always taken a market-leading and collaborative approach to cloud deployment and management. In fact, our product roadmap is greatly influenced by the regular feedback we receive from having seen companies deploy AVD into production environments several thousand times using Nerdio technology. Today, Nerdio is used in over 50 countries by more than 15,000 organizations of ...
        About Nerdio - At Nerdio, our mission is to simplify the lives of IT professionals and maximize their Microsoft cloud and end user computing investments. We support organizations of all sizes looking to deploy, manage, and cost-optimize native Microsoft technologies. We partner with Enterprises and Managed Service Providers all over the world to add value on top of their existing native Microsoft investments like Azure Virtual Desktop (AVD), Windows 365, and Microsoft Intune. Created in 2016, Nerdio has always taken a market-leading and collaborative approach to cloud deployment and management. In fact, our product roadmap is greatly influenced by the regular feedback we receive from having seen companies deploy AVD into production environments several thousand times using Nerdio technology. Today, Nerdio is used in over 50 countries by more than 15,000 organizations of ...
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        South West London (SW1), SW1P 3LA
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        D365 Solution Architect They're looking for a D365 Solution Architect to join a high-performing team working across complex, enterprise-scale transformation programmes. * Leading solution and architecture design across major D365, Power Platform and Azure-based programmes £80000-100000 GBP - Bonus - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - London - Permanent - Up to £100,000 + Car Allowance + Bonus - I'm partnered with a leading UK consultancy undergoing significant growth across their Architecture practice. In this role, you'll combine hands-on technical depth with architectural leadership. What you'll be doing * Working closely with engineering teams, providing guardrails, runways and technical leadership * Operating within agile delivery models: SAFe, Scrum, Kanban, hybrid * Taking a consultative role with senior client stakeholders, influencing technology decisions, ...
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        App Developer Outside IR35

        Sanderson Government and Defence
        South East London (SE1), SE1
        £550 - £650 per day
        Position: App Developer A central government department is looking for an experienced App Developer to join a high-security programme. Location: Vauxhall / Stratford - Day Rate: £600 p.d Outside IR35 - Must hold active DV clearance - This role requires working on-site 5 days per week in Vauxhall, moving later to Stratford later on in the project. Due to the nature of the work, candidates hold UKSV DV clearance. Key Skills & Experience * Strong expertise in Python, Docker, Kubernetes, and Data Governance * Experience working in air-gapped environments, including managing dependencies and build pipelines without internet access * Proven background building APIs for data enrichment services * Orchestration & data pipeline experience with Prefect or Airflow, and K8s or Swarm * Configuration and automation of business workflow tooling (e.g., Jira)
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        The Integration Solution Architect is responsible for designing, delivering, and assuring robust integration solutions across complex enterprise environments. The architect will work closely with business stakeholders, technical teams, and third-party suppliers to define integration strategies, oversee implementation, and support transition to BAU, while ensuring compliance with GDS Service Standards and Technology Code of Practice. This role is delivery critical for high volume integration programmes where external platform constraints (e.g. Oracle) must be designed, assured, and operationalised through MuleSoft within Capita owned environments. This role is pivotal in enabling seamless data and process flows between core platforms (e.g., ERP, ServiceNow, Amazon Connect, Oracle Integration Hub) and ensuring alignment with business, security, and operational requirements.
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        Frequently Asked Questions

        How many contract API jobs are there in Cornwall?
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