Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
Locations
- The City, City (EC3)
- Shoreditch
- The City, City (EC2)
- Charing Cross
- Moorgate
- The City, City (EC4)
- Tovil
- Canary Wharf
- Euston
- Fawley
- City of London
- Central London
- West End
- East London
- Reading
- Dartford
- Wokingham
- Bracknell
- Southampton
- Brighton
- London
- Berkshire
- Hampshire
- Kent
- West Sussex
- Surrey
- East Sussex
- Buckinghamshire
- Hertfordshire
- South East
13 Contract API jobs in West Sussex + 20 miles
)
Full-Stack Web Software Engineer - React, ASP.NET & C#
Full-Stack Web Software Engineer - React, ASP.NET & C#
Computer Futures
Portsmouth, Hampshire, BBTE
£68000 - £87000 per annum + bonus
Working across the full stack, contributing to both UI and API development
Working across the full stack, contributing to both UI and API development
)
Software Engineer (Azure Certified / C# .Net)
Software Engineer (Azure Certified / C# .Net)
Hays
Portsmouth (PO1)
£56000 - £61000 per annum + £56-61k
Depth of knowledge in Azure is crucial, extending to use of Azure Functions, App Services and API Management App services. You should have good experience building / integrating API's and pushing CI/CD pipelines using GIT in an Agile environment and will have a strong command of the entire SDLC.
Depth of knowledge in Azure is crucial, extending to use of Azure Functions, App Services and API Management App services. You should have good experience building / integrating API's and pushing CI/CD pipelines using GIT in an Agile environment and will have a strong command of the entire SDLC.
)
Oracle Fusion HCM Technical Architect
Oracle Fusion HCM Technical Architect
Infoplus Technologies UK Ltd
Crawley (RH10)
From £500 to £600 per day
The Role - We need Oracle Fusion HCM Technical Architect to support our Oracle Fusion related applications and delivery for one of the UKs large airline customer. Collaborate with business stakeholders (HR, Payroll, Benefits teams) to understand and translate requirements into scalable Oracle Fusion HCM solutions. oCore HR - oPayroll (UK) oAbsence Management - oBenefits - oHire-to-retire lifecycle - oPayroll processing, statutory compliance, and reporting - oLeave, accruals, and absence policies - oEmployee benefits enrolment and eligibility - Lead functional and technical design workshops, ensuring best practices and standardization. Review and validate functional design documents (FDDs) and solution designs. Support UAT and business validation, ensuring solutions meet business needs. Act as the key liaison between functional consultants, technical teams, and client stakeholders.
The Role - We need Oracle Fusion HCM Technical Architect to support our Oracle Fusion related applications and delivery for one of the UKs large airline customer. Collaborate with business stakeholders (HR, Payroll, Benefits teams) to understand and translate requirements into scalable Oracle Fusion HCM solutions. oCore HR - oPayroll (UK) oAbsence Management - oBenefits - oHire-to-retire lifecycle - oPayroll processing, statutory compliance, and reporting - oLeave, accruals, and absence policies - oEmployee benefits enrolment and eligibility - Lead functional and technical design workshops, ensuring best practices and standardization. Review and validate functional design documents (FDDs) and solution designs. Support UAT and business validation, ensuring solutions meet business needs. Act as the key liaison between functional consultants, technical teams, and client stakeholders.
)
Experience of API technologies and writing Restful APIs in JSON
Experience of API technologies and writing Restful APIs in JSON
FEATURED
)
Systems Developer / Technical Support Engineer
Systems Developer / Technical Support Engineer
DGH Recruitment
Littlehampton (BN16)
£35000 - £40000 per annum
A fantastic opportunity has arisen for a Systems Developer / Technical Support Engineer to join our Littlehampton based law firm on an initial 6 Month Fixed Team Contract. * Work directly with internal stakeholders to understand business processes, operational requirements, and system needs. * Translate business requirements into system workflows, configurations, and functional implementations. * Configure and implement software platforms, integrations, and operational tools. * Support the setup, maintenance, and optimisation of system environments. * Develop and document workflows, automation processes, and configuration standards. * Provide technical support and troubleshooting for system-related issues. * Assist with testing, implementation, and rollout of new features or system updates. * Identify opportunities to improve operational efficiency through better system ...
A fantastic opportunity has arisen for a Systems Developer / Technical Support Engineer to join our Littlehampton based law firm on an initial 6 Month Fixed Team Contract. * Work directly with internal stakeholders to understand business processes, operational requirements, and system needs. * Translate business requirements into system workflows, configurations, and functional implementations. * Configure and implement software platforms, integrations, and operational tools. * Support the setup, maintenance, and optimisation of system environments. * Develop and document workflows, automation processes, and configuration standards. * Provide technical support and troubleshooting for system-related issues. * Assist with testing, implementation, and rollout of new features or system updates. * Identify opportunities to improve operational efficiency through better system ...
Systems Developer / Technical Support Engineer
Systems Developer / Technical Support Engineer
DGH Recruitment
Littlehampton (BN16)
£35000 - £40000 per annum
A fantastic opportunity has arisen for a Systems Developer / Technical Support Engineer to join our Littlehampton based law firm on an initial 6 Month Fixed Team Contract. * Work directly with internal stakeholders to understand business processes, operational requirements, and system needs. * Translate business requirements into system workflows, configurations, and functional implementations. * Configure and implement software platforms, integrations, and operational tools. * Support the setup, maintenance, and optimisation of system environments. * Develop and document workflows, automation processes, and configuration standards. * Provide technical support and troubleshooting for system-related issues. * Assist with testing, implementation, and rollout of new features or system updates. * Identify opportunities to improve operational efficiency through better system ...
A fantastic opportunity has arisen for a Systems Developer / Technical Support Engineer to join our Littlehampton based law firm on an initial 6 Month Fixed Team Contract. * Work directly with internal stakeholders to understand business processes, operational requirements, and system needs. * Translate business requirements into system workflows, configurations, and functional implementations. * Configure and implement software platforms, integrations, and operational tools. * Support the setup, maintenance, and optimisation of system environments. * Develop and document workflows, automation processes, and configuration standards. * Provide technical support and troubleshooting for system-related issues. * Assist with testing, implementation, and rollout of new features or system updates. * Identify opportunities to improve operational efficiency through better system ...
Role: Golang Engineer - Job Type:Permanent - Location: Burgess Hill (3 days onsite) The Role - As a Golang Engineer, you will be responsible for working as part of an agile team to deliver features with your focus being on designing and developing Golang based microservices/APIs. * Lead and implement best practices in the team such as consistent branching strategy, coding standards, BDD/TDD, CI/CD and DevOps * Involvement in every step of the software development life cycle, from design, development, testing release changes and troubleshoot whenever necessary. * Follow the Scrum Methodology, participating actively in sprint backlog refinement, sprint planning, stand-ups, sprint review and sprint retrospective. * Support other team members and teams with sharing your knowledge and implementing innovative solutions that can be used across platforms. Your Profile
Role: Golang Engineer - Job Type:Permanent - Location: Burgess Hill (3 days onsite) The Role - As a Golang Engineer, you will be responsible for working as part of an agile team to deliver features with your focus being on designing and developing Golang based microservices/APIs. * Lead and implement best practices in the team such as consistent branching strategy, coding standards, BDD/TDD, CI/CD and DevOps * Involvement in every step of the software development life cycle, from design, development, testing release changes and troubleshoot whenever necessary. * Follow the Scrum Methodology, participating actively in sprint backlog refinement, sprint planning, stand-ups, sprint review and sprint retrospective. * Support other team members and teams with sharing your knowledge and implementing innovative solutions that can be used across platforms. Your Profile
)
This is a hands-on, commercially focused role for a pragmatic builder who wants to improve how a property management business operates. Working closely with operations and finance teams, you will develop a strong understanding of how processes function in practice, identify inefficiencies, and implement technical solutions that reduce manual work and increase data visibility. The role sits at the intersection of business and technology. Rather than focusing on large-scale consumer applications, the emphasis is on automation, integrations, reporting tools, and internal systems that directly enhance operational performance. Role Overview * Analyse and map business processes across property management and finance functions * Write Python scripts to automate repetitive administrative tasks * Build lightweight internal tools for reporting, tracking, and workflow management
This is a hands-on, commercially focused role for a pragmatic builder who wants to improve how a property management business operates. Working closely with operations and finance teams, you will develop a strong understanding of how processes function in practice, identify inefficiencies, and implement technical solutions that reduce manual work and increase data visibility. The role sits at the intersection of business and technology. Rather than focusing on large-scale consumer applications, the emphasis is on automation, integrations, reporting tools, and internal systems that directly enhance operational performance. Role Overview * Analyse and map business processes across property management and finance functions * Write Python scripts to automate repetitive administrative tasks * Build lightweight internal tools for reporting, tracking, and workflow management
)
Job Title: Retailer Systems Project Consultant - Location: Hybrid, 2 days in the office (Farnborough) Salary: Competitive + Performance Bonus - Job type: Full time, Permanent - Working Hours: 40 Hours Per Week - Application Deadline: 3rd April 2026 - The Retailer Systems Project Consultant is responsible for supporting, coordinating, and delivering sales and CRM projects within our client's Network Digitalisation department. These projects will primarily focus on providing state of the art systems for the wider Retailer Network. This role ensures that initiatives are completed on time, within budget, and to the desired quality standards, whilst aligning with strategic business objectives. The Project Consultant will be actively involved in the planning, testing, execution and deployment of new retailer systems, upgrades, and technology rollouts, working collaboratively with ...
Job Title: Retailer Systems Project Consultant - Location: Hybrid, 2 days in the office (Farnborough) Salary: Competitive + Performance Bonus - Job type: Full time, Permanent - Working Hours: 40 Hours Per Week - Application Deadline: 3rd April 2026 - The Retailer Systems Project Consultant is responsible for supporting, coordinating, and delivering sales and CRM projects within our client's Network Digitalisation department. These projects will primarily focus on providing state of the art systems for the wider Retailer Network. This role ensures that initiatives are completed on time, within budget, and to the desired quality standards, whilst aligning with strategic business objectives. The Project Consultant will be actively involved in the planning, testing, execution and deployment of new retailer systems, upgrades, and technology rollouts, working collaboratively with ...
PREMIUM
)
Implementation Specialist – E-Invoicing
Implementation Specialist – E-Invoicing
Stackstudio Digital Ltd.
Brighton (BN1)
From £300 to £350 per day
Job Title: Implementation Specialist E-Invoicing - Location: London- 1 day - Job Type: 6 months- Inside IR35 - Role overview - Are you looking for a role that will use your problem-solving skills, technical interests, and client communication skills to their full potential? We are seeking Implementation Specialists to join our e-invoicing Professional Services team and lead the technical implementation of our e-invoicing platform with global clients. This is the perfect role for a well-organised, collaborative, and analytical person who wants to grow their career within the software implementation space and work with a varied portfolio of multinational clients. You'll use your technical aptitude, excellent communication skills, and problem-solving abilities to tackle client configuration challenges and ensure the highest level of service.
Job Title: Implementation Specialist E-Invoicing - Location: London- 1 day - Job Type: 6 months- Inside IR35 - Role overview - Are you looking for a role that will use your problem-solving skills, technical interests, and client communication skills to their full potential? We are seeking Implementation Specialists to join our e-invoicing Professional Services team and lead the technical implementation of our e-invoicing platform with global clients. This is the perfect role for a well-organised, collaborative, and analytical person who wants to grow their career within the software implementation space and work with a varied portfolio of multinational clients. You'll use your technical aptitude, excellent communication skills, and problem-solving abilities to tackle client configuration challenges and ensure the highest level of service.
Senior Web Methods Developer
Senior Web Methods Developer
Infoplus Technologies UK Ltd
Worthing (BN13)
From £70,000 to £80,000 per annum
The ideal candidate will have strong expertise in API Gateway, Integration Server, ESB , Active Transfer (MFT), Universal Messaging), and Adapters along with leadership capabilities to guide a team of developers and ensure high-quality deliverables. Experience in API Gateway development. MFT & API Gateway must have skills.
The ideal candidate will have strong expertise in API Gateway, Integration Server, ESB , Active Transfer (MFT), Universal Messaging), and Adapters along with leadership capabilities to guide a team of developers and ensure high-quality deliverables. Experience in API Gateway development. MFT & API Gateway must have skills.
)
Understanding of Microsoft Graph, automation tooling, and API-based platform integrations.
Understanding of Microsoft Graph, automation tooling, and API-based platform integrations.
Document key system integrations, database models, and API contracts.
Document key system integrations, database models, and API contracts.
294 exact matches jobs are outside your preferred location
)
Technical Product Manager API SaaS
Technical Product Manager API SaaS
Client Server
Shoreditch, East London (E1), EC2A
£95000 - £120000 per annum + benefits
You'll be embedded within delivery teams, UX and engineering and utilise your knowledge of software development to make trade-offs, steward the delivery process and close the gaps in requirements including producing technical documentation along with wireframes and API scaffolding where appropriate. Apply now to find out more about this Technical Product Manager (API SaaS) opportunity.
You'll be embedded within delivery teams, UX and engineering and utilise your knowledge of software development to make trade-offs, steward the delivery process and close the gaps in requirements including producing technical documentation along with wireframes and API scaffolding where appropriate. Apply now to find out more about this Technical Product Manager (API SaaS) opportunity.
PREMIUM
C# Developer .Net SQL API
C# Developer .Net SQL API
Client Server
The City, City of London (EC4), EC4R
£75000 - £90000 per annum + benefits
C# Developer / Software Engineer (C# .Net SQL API) London onsite to £90k - There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js. Apply now to find out more about this C# Developer / Software Engineer (C# .Net SQL API) opportunity.
C# Developer / Software Engineer (C# .Net SQL API) London onsite to £90k - There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js. Apply now to find out more about this C# Developer / Software Engineer (C# .Net SQL API) opportunity.
PREMIUM
)
We are seeking a Java API Developer to join our Digital Asset development team. * Implement APIs in line with internal requirements for API design, security, versioning, and documentation, ensuring solutions are consistent and reusable. * Collaborate with business and technology stakeholders to understand requirements, clarify edge cases, and deliver well-scoped API changes in an Agile sprint model. * Hands-on experience developing Java backend applications, including REST API development in production or near-production environments. * Familiarity with common Java API frameworks and patterns (e.g., Spring Boot / Spring MVC-style services) and building maintainable service layers. * Understanding of secure API fundamentals (authentication/authorization concepts, safe handling of sensitive data) and willingness to follow enterprise standards.
We are seeking a Java API Developer to join our Digital Asset development team. * Implement APIs in line with internal requirements for API design, security, versioning, and documentation, ensuring solutions are consistent and reusable. * Collaborate with business and technology stakeholders to understand requirements, clarify edge cases, and deliver well-scoped API changes in an Agile sprint model. * Hands-on experience developing Java backend applications, including REST API development in production or near-production environments. * Familiarity with common Java API frameworks and patterns (e.g., Spring Boot / Spring MVC-style services) and building maintainable service layers. * Understanding of secure API fundamentals (authentication/authorization concepts, safe handling of sensitive data) and willingness to follow enterprise standards.
We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
)
Workplace Platform Engineer (DocuSign & 365 & API)
Workplace Platform Engineer (DocuSign & 365 & API)
Morson Edge
City of London, London, EC1A 1AA
Market related
We are seeking a Platform Engineer to join the Modern Workplace team at a leading banking client. This team is focused on delivering a flexible, efficient, and seamless digital workplace experience, enabling colleagues to collaborate and perform effectively using enterprise tools such as Microsoft 365 and DocuSign. The successful candidate will be a key contributor to the Productivity Applications portfolio, responsible for configuring, maintaining, and enhancing platforms that support a high-performing digital workplace. Key Responsibilities * Configure, develop, and maintain solutions across the Productivity Applications platform * Contribute to the design and implementation of new digital workplace capabilities * Manage the end-to-end lifecycle of platform solutions, ensuring continuous improvement * Support business-as-usual changes and incremental enhancements
We are seeking a Platform Engineer to join the Modern Workplace team at a leading banking client. This team is focused on delivering a flexible, efficient, and seamless digital workplace experience, enabling colleagues to collaborate and perform effectively using enterprise tools such as Microsoft 365 and DocuSign. The successful candidate will be a key contributor to the Productivity Applications portfolio, responsible for configuring, maintaining, and enhancing platforms that support a high-performing digital workplace. Key Responsibilities * Configure, develop, and maintain solutions across the Productivity Applications platform * Contribute to the design and implementation of new digital workplace capabilities * Manage the end-to-end lifecycle of platform solutions, ensuring continuous improvement * Support business-as-usual changes and incremental enhancements
PREMIUM
Python AI Engineer - PropTech - London (onsite)
Python AI Engineer - PropTech - London (onsite)
Transparent Technology
London
£71000 - £130000 per annum + bens + equity
Lead Python Engineer | AI, Python, FastAPI, Django, Microservices, APIs, Cloud | London | up to £130k + Equity - Build AI-powered systems that automate real-world workflows at scale. This is an opportunity to join a fast-growing AI startup building an AI-driven platform automating up to 80% of property management workflows, transforming how compliance, maintenance, and tenant communication are handled across the UK property sector. As a Lead Python Engineer, you'll design and build scalable backend systems, APIs, and AI-driven applications, working at the intersection of software engineering, automation, and AI integration. You'll play a key role in developing systems that directly impact end users, while helping shape engineering practices and mentoring other developers in a high-growth environment.
Lead Python Engineer | AI, Python, FastAPI, Django, Microservices, APIs, Cloud | London | up to £130k + Equity - Build AI-powered systems that automate real-world workflows at scale. This is an opportunity to join a fast-growing AI startup building an AI-driven platform automating up to 80% of property management workflows, transforming how compliance, maintenance, and tenant communication are handled across the UK property sector. As a Lead Python Engineer, you'll design and build scalable backend systems, APIs, and AI-driven applications, working at the intersection of software engineering, automation, and AI integration. You'll play a key role in developing systems that directly impact end users, while helping shape engineering practices and mentoring other developers in a high-growth environment.
)
Senior Data Scientist - 12 Month FTC
Senior Data Scientist - 12 Month FTC
Vitality Corporate Services Limited
Charing Cross, Central London (WC2), WC2R
£Competitive + Bonus + Benefits
Strong understanding of API development, microservices, and containerization (Docker, Kubernetes)
Strong understanding of API development, microservices, and containerization (Docker, Kubernetes)
PREMIUM
)
Principal Software Engineer
Principal Software Engineer
Spectrum It Recruitment Limited
Southampton (SO14)
£70000.00 - £75000.00 per annum
Southampton (Onsite) * £75,000 + generous pension & benefits - Are you a Principal Engineer who thrives on solving real-world problems with cutting-edge technology? This is an opportunity to join a talented engineering team building advanced, real-time software systems used in safety-critical environments worldwide. You'll be working at the intersection of enterprise software, IoT, and data-driven decision-making; developing solutions that genuinely make a difference. Why this role is exciting - This isn't just another enterprise software role. You'll be working on a sophisticated platform that connects physical devices (IoT) with real-time data processing, delivering actionable insights through modern web applications. The systems you help build are deployed globally and play a vital role in protecting people, infrastructure, and national security.
Southampton (Onsite) * £75,000 + generous pension & benefits - Are you a Principal Engineer who thrives on solving real-world problems with cutting-edge technology? This is an opportunity to join a talented engineering team building advanced, real-time software systems used in safety-critical environments worldwide. You'll be working at the intersection of enterprise software, IoT, and data-driven decision-making; developing solutions that genuinely make a difference. Why this role is exciting - This isn't just another enterprise software role. You'll be working on a sophisticated platform that connects physical devices (IoT) with real-time data processing, delivering actionable insights through modern web applications. The systems you help build are deployed globally and play a vital role in protecting people, infrastructure, and national security.
)
Hands-on experience with Azure ecosystem, specifically in architecting and deploying Azure App Services, Azure SQL Database, Azure Functions, and managing cloud infrastructure including Virtual Networks (VNet), API Management (APIM), and Azure Storage solutions. * Experienced in RESTful API design and integration; experience with SOAP WebServices and XML/XPath.
Hands-on experience with Azure ecosystem, specifically in architecting and deploying Azure App Services, Azure SQL Database, Azure Functions, and managing cloud infrastructure including Virtual Networks (VNet), API Management (APIM), and Azure Storage solutions. * Experienced in RESTful API design and integration; experience with SOAP WebServices and XML/XPath.
NEW
)
Contract .Net Developer – Insurance claims system
Contract .Net Developer – Insurance claims system
Hireful
Central London, London
£400 per day outside IR35
We’re looking for a proactive, self-sufficient developer with strong experience in .NET, API development, microservices architecture, and database integration.
We’re looking for a proactive, self-sufficient developer with strong experience in .NET, API development, microservices architecture, and database integration.
NEWFEATURED
)
Solutions Architect
Solutions Architect
MARSH CORPORATE SERVICES LIMITED
City of London (EC1)
Pension, Healthcare, Life Insurance and much more
Deep fluency in London Market placing platforms and integration patterns (Whitespace, PPL, API ecosystem).
Deep fluency in London Market placing platforms and integration patterns (Whitespace, PPL, API ecosystem).
PREMIUM
Related Jobs
Locations
- The City, City (EC3)
- Shoreditch
- The City, City (EC2)
- Charing Cross
- Moorgate
- The City, City (EC4)
- Tovil
- Canary Wharf
- Euston
- Fawley
- City of London
- Central London
- West End
- East London
- Reading
- Dartford
- Wokingham
- Bracknell
- Southampton
- Brighton
- London
- Berkshire
- Hampshire
- Kent
- West Sussex
- Surrey
- East Sussex
- Buckinghamshire
- Hertfordshire
- South East