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- Shadwell
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35 Contract API jobs in West Byfleet + 20 miles
315 exact matches jobs are outside your preferred location
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Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer - Salary: £65k - £75k base + Bonus - Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more - Location: Milton Keynes – Hybrid (2 days a week in office) If you’ve got strong .Net (C#) experience and skills in GitHub, APIs, Pos
Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer - Salary: £65k - £75k base + Bonus - Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more - Location: Milton Keynes – Hybrid (2 days a week in office) If you’ve got strong .Net (C#) experience and skills in GitHub, APIs, Pos
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D365 Finance Senior Integration Developer (remote)
D365 Finance Senior Integration Developer (remote)
Hays
London
£500.0 - £550.0 per day + c£510 per day (inside IR35)
We are currently seeking a D365 Senior Integration Developer (finance) to design and implement integrations using D365 API's (e.g. Data Management Package, REST API, OData) You will develop automation processes for data transformation, upload, import and error handling in batch or near real-time modes. Proficiency in tools like Postman, Azure Logic Apps, and scripting (e.g., C#, PowerShell) for API orchestration, along with ETL processes.
We are currently seeking a D365 Senior Integration Developer (finance) to design and implement integrations using D365 API's (e.g. Data Management Package, REST API, OData) You will develop automation processes for data transformation, upload, import and error handling in batch or near real-time modes. Proficiency in tools like Postman, Azure Logic Apps, and scripting (e.g., C#, PowerShell) for API orchestration, along with ETL processes.
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Data Integration Engineer
Data Integration Engineer
Anson Mccade
Basingstoke, Hampshire
GBP 700.00 per week;GBP 70,000.00 per year;GBP 85,000.00 per year
Strong understanding of API design and integration techniques (REST, Webhooks, GraphQL).
Strong understanding of API design and integration techniques (REST, Webhooks, GraphQL).
PREMIUM
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Writing automation scripts in Postman or Ready API * Experience with writing automation scripts in Postman or Ready API
Writing automation scripts in Postman or Ready API * Experience with writing automation scripts in Postman or Ready API
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Solid understanding of backend architecture, distributed systems and API design.
Solid understanding of backend architecture, distributed systems and API design.
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Strong foundation in web development, REST API design, and secure best practices
Strong foundation in web development, REST API design, and secure best practices
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Implement and maintain API integrations
Implement and maintain API integrations
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Outside IR35 - Remote - occasional travel to client sites | Contract, 12 months (extension possible) Our client, a leading consultancy delivering solutions into the public sector, is seeking an experienced MS Dynamics Commerce Solution Architect. You'll play a critical role in designing and implementing a headless commerce architecture with Microsoft Dynamics Order Management at its core. This contract offers the opportunity to provide strategic guidance and hands-on expertise on large-scale digital transformation programmes, while enhancing Dynamics 365 Finance & Operations (F&O) to support seamless order management integration. Key Responsibilities * Design and deliver headless commerce architectures using Microsoft Dynamics. * Configure, customise, and optimise Dynamics Order Management to meet complex client needs.
Outside IR35 - Remote - occasional travel to client sites | Contract, 12 months (extension possible) Our client, a leading consultancy delivering solutions into the public sector, is seeking an experienced MS Dynamics Commerce Solution Architect. You'll play a critical role in designing and implementing a headless commerce architecture with Microsoft Dynamics Order Management at its core. This contract offers the opportunity to provide strategic guidance and hands-on expertise on large-scale digital transformation programmes, while enhancing Dynamics 365 Finance & Operations (F&O) to support seamless order management integration. Key Responsibilities * Design and deliver headless commerce architectures using Microsoft Dynamics. * Configure, customise, and optimise Dynamics Order Management to meet complex client needs.
NEWFEATURED
Your new company - Working for an Investment Management Organisation. Your new role - Working for an Investment Management firm who are seeking a highly skilled hands on Solutions Architect with strong experience in low code/ no code tool Appian or Pega. You will lead the design, development and implementation of applications low code platform (Unqork). You will be supported by a developer but will also be hands on developing with them. What you'll need to succeed * Great background as a Solution/ Technical Architect in financial services (investment/ asset management would be a big plus). * Strong architectural knowledge on configuration/ development of low code/ no code tools. * Good experience with Appian/ Pega. * Experience in leading/ coordinating test plans. * Strong hands on experience - can think holistically and strategically to drive implementation.
Your new company - Working for an Investment Management Organisation. Your new role - Working for an Investment Management firm who are seeking a highly skilled hands on Solutions Architect with strong experience in low code/ no code tool Appian or Pega. You will lead the design, development and implementation of applications low code platform (Unqork). You will be supported by a developer but will also be hands on developing with them. What you'll need to succeed * Great background as a Solution/ Technical Architect in financial services (investment/ asset management would be a big plus). * Strong architectural knowledge on configuration/ development of low code/ no code tools. * Good experience with Appian/ Pega. * Experience in leading/ coordinating test plans. * Strong hands on experience - can think holistically and strategically to drive implementation.
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Client Roles - At Peregrine, were proud to be recruiting on behalf of our clients. We are recruiting an exciting opportunity for a Principal Design Architect, responsible for designing and assuring complex, high-impact solutions that align with enterprise architecture standards and strategic business objectives. A technology-led organisation working at the intersection of energy and digital infrastructure. They deliver secure, large-scale solutions that support national initiatives and enable innovation across the energy sector. The Principal Design Architect is a senior technical leader operating across multiple projects or domains, the role combines deep technical expertise with strong stakeholder engagement skills to shape architecture outcomes from concept to delivery. The Principal Solution Architect provides governance, coaching, and quality assurance for soluti
Client Roles - At Peregrine, were proud to be recruiting on behalf of our clients. We are recruiting an exciting opportunity for a Principal Design Architect, responsible for designing and assuring complex, high-impact solutions that align with enterprise architecture standards and strategic business objectives. A technology-led organisation working at the intersection of energy and digital infrastructure. They deliver secure, large-scale solutions that support national initiatives and enable innovation across the energy sector. The Principal Design Architect is a senior technical leader operating across multiple projects or domains, the role combines deep technical expertise with strong stakeholder engagement skills to shape architecture outcomes from concept to delivery. The Principal Solution Architect provides governance, coaching, and quality assurance for soluti
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My client is a high-profile consultancy who require an Endur Solution Architect, with experience in Endur and in Energy Trading and Risk Management (ETRM) systems, to work closely with an end customer. * Proven expertise as a Subject Matter Expert (SME) in Energy Trading and Risk Management (ETRM) systems, with deep specialization in Endur. * Ability to deliver strategic guidance and solutions for complex trading and risk management scenarios. * Strong capability to optimize Endur functionalities across front-office, middle-office, and back-office operations. * Demonstrated technical leadership in Endur-related projects, ensuring alignment with business goals and industry standards. * Solid understanding of system integration principles, including APIs, middleware, and data interfaces for seamless enterprise connectivity.
My client is a high-profile consultancy who require an Endur Solution Architect, with experience in Endur and in Energy Trading and Risk Management (ETRM) systems, to work closely with an end customer. * Proven expertise as a Subject Matter Expert (SME) in Energy Trading and Risk Management (ETRM) systems, with deep specialization in Endur. * Ability to deliver strategic guidance and solutions for complex trading and risk management scenarios. * Strong capability to optimize Endur functionalities across front-office, middle-office, and back-office operations. * Demonstrated technical leadership in Endur-related projects, ensuring alignment with business goals and industry standards. * Solid understanding of system integration principles, including APIs, middleware, and data interfaces for seamless enterprise connectivity.
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.NET Framework Version 4.5 or above including strong WCF\ Web API experience
.NET Framework Version 4.5 or above including strong WCF\ Web API experience
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.NET Framework Version 4.5 or above including strong WCF\ Web API experience
.NET Framework Version 4.5 or above including strong WCF\ Web API experience
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Technical Agile Business Analyst/ Product Engineer
Technical Agile Business Analyst/ Product Engineer
Hays
London, EC3A 4BF
£50000.0 - £60000.0 per annum + 50000-60000
Proficient with tools such as JIRA, Confluence, Figma and an API documentation platform
Proficient with tools such as JIRA, Confluence, Figma and an API documentation platform
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Familiarity with JSON and API usage.
Familiarity with JSON and API usage.
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Experience with RESTful API design and integration.
Experience with RESTful API design and integration.
NEWPREMIUM
Experience with RESTful API design and integration.
Experience with RESTful API design and integration.
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Build and work with modern API and microservices architectures
Build and work with modern API and microservices architectures
NEWEQUALITY BOOST
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Global Claims IT Leader
Global Claims IT Leader
MARSH CORPORATE SERVICES LIMITED
The City, EC3R 5BU
Pension Scheme, Private Health Insurance & life insurance
Being a cross-functional collaborator interfacing with MMC Enterprise Technology partners, Marsh-Operations, and Transformation Office will come naturally to you building a new set of reusable IT Microservices connected via a well-defined API structure.
Being a cross-functional collaborator interfacing with MMC Enterprise Technology partners, Marsh-Operations, and Transformation Office will come naturally to you building a new set of reusable IT Microservices connected via a well-defined API structure.
NEWPREMIUM
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API Integration Experience:Proven track record of consuming and building APIs for data exchange * Strong understanding of API development and integration (REST, GraphQL)
API Integration Experience:Proven track record of consuming and building APIs for data exchange * Strong understanding of API development and integration (REST, GraphQL)
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Good understanding of API integration and data flow between front-end and back-end.
Good understanding of API integration and data flow between front-end and back-end.
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Familiarity with Endur and the .NET API (Open Components) is a plus.
Familiarity with Endur and the .NET API (Open Components) is a plus.
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Day rate: £500 - £700 (inside IR35) Duration: 12 months - Hybrid: 3 days per week - Start: ASAP - My exciting new client is looking for a Full Stack Engineer with AI/ML and Python experience. Hybrid working 3 days per week in the London office. * 10+ years designing and developing operational support systems and automation solutions in Python, 5+ years leading reviews and ensuring quality in others' work. * Hands-on experience with Selenium, and iOS functional automation. * Experience with testing activities across the entire lifecycle of the project from inception to delivery. * Design and implement user interfaces using JavaScript, and frameworks such as React. * Develop and maintain server-side logic using Python. * Manage APIs and integrate third-party services and tools. * Ensure application data integrity and security by designing and managing databases in Postg
Day rate: £500 - £700 (inside IR35) Duration: 12 months - Hybrid: 3 days per week - Start: ASAP - My exciting new client is looking for a Full Stack Engineer with AI/ML and Python experience. Hybrid working 3 days per week in the London office. * 10+ years designing and developing operational support systems and automation solutions in Python, 5+ years leading reviews and ensuring quality in others' work. * Hands-on experience with Selenium, and iOS functional automation. * Experience with testing activities across the entire lifecycle of the project from inception to delivery. * Design and implement user interfaces using JavaScript, and frameworks such as React. * Develop and maintain server-side logic using Python. * Manage APIs and integrate third-party services and tools. * Ensure application data integrity and security by designing and managing databases in Postg
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Java Quantitative Developer Low Latency
Java Quantitative Developer Low Latency
James Joseph Associates Limited
EC2N, City of London
From £150,000 to £175,000 per annum Circa 50-100% Bonus + Pension + Be
Our client is a leading and well-established player in the Digital Asset and Cryptocurrency Quantitative/Algorithmic trading industry. The business is going from strength to strength, they are currently going through a period of exponential growth and are enjoying record profits The business is actively expanding as there is additional headcount for a number trade platform specialist Java Development with a focus on either/or Quantitative Development or low-latency performance optimization. You will be working on greenfield projects to build out and enhance their low latency trading systems. Working in a fast-paced trading environment as a Quant Developer, where you will collaborate closely with expert traders, quantitative analysts, and engineering specialists to craft and fine-tune trading strategies across both spot and derivative markets.
Our client is a leading and well-established player in the Digital Asset and Cryptocurrency Quantitative/Algorithmic trading industry. The business is going from strength to strength, they are currently going through a period of exponential growth and are enjoying record profits The business is actively expanding as there is additional headcount for a number trade platform specialist Java Development with a focus on either/or Quantitative Development or low-latency performance optimization. You will be working on greenfield projects to build out and enhance their low latency trading systems. Working in a fast-paced trading environment as a Quant Developer, where you will collaborate closely with expert traders, quantitative analysts, and engineering specialists to craft and fine-tune trading strategies across both spot and derivative markets.
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Dynamics 365 Developer
Dynamics 365 Developer
Spectrum It Recruitment Limited
SO14, Southampton
£50000 - £60000 per annum + Benefits
Are you a skilled CRM Developer with a passion for Microsoft Dynamics 365? Join a growing IT team working on a major digital transformation journey, consolidating systems and processes into a single Dynamics platform across key business functions. This is a unique opportunity to become part of a small, agile, and highly experienced product team, helping to shape and drive the adoption of Dynamics 365 across a global organisation. * Design, develop, and customise Dynamics 365 CRM solutions, including integrations and data migrations. * Test, support, and maintain CRM functionality while creating clear documentation. * Collaborate with stakeholders to deliver effective solutions and support user adoption. * Proven hands-on experience with Microsoft Dynamics 365 CRM * Proficiency with Power Platform (Power Apps, Power Automate, Power BI).
Are you a skilled CRM Developer with a passion for Microsoft Dynamics 365? Join a growing IT team working on a major digital transformation journey, consolidating systems and processes into a single Dynamics platform across key business functions. This is a unique opportunity to become part of a small, agile, and highly experienced product team, helping to shape and drive the adoption of Dynamics 365 across a global organisation. * Design, develop, and customise Dynamics 365 CRM solutions, including integrations and data migrations. * Test, support, and maintain CRM functionality while creating clear documentation. * Collaborate with stakeholders to deliver effective solutions and support user adoption. * Proven hands-on experience with Microsoft Dynamics 365 CRM * Proficiency with Power Platform (Power Apps, Power Automate, Power BI).
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Related Jobs
Locations
- Shadwell
- The City, City (EC2)
- The City, City (EC3)
- Millwall
- Shoreditch
- The City, City (EC4)
- Charing Cross
- Fivensgreen
- Gilwell Park
- Haslemere Industrial Estate
- City of London
- Central London
- West End
- East London
- Reading
- Windsor
- Fareham
- North West London
- Milton Keynes
- South West London
- London
- Berkshire
- Hampshire
- Surrey
- Buckinghamshire
- West Sussex
- Hertfordshire
- Oxfordshire
- East Sussex
- Kent
- South East