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 (EC4)
- Ireland
- The Borough
- The City, City (EC2)
- Campden Hill
- Euston
- Fishery
- Southwark
- The City, City (EC3)
- Victoria
- City of London
- Reading
- South East London
- Central London
- West End
- Milton Keynes
- Abingdon
- Basingstoke
- Oxford
- West London
- London
- Berkshire
- Hampshire
- Oxfordshire
- Buckinghamshire
- Bedfordshire
- Northamptonshire
- Hertfordshire
- Surrey
- Wiltshire
- South East
- East Midlands
- Midlands
- South West
26 Contract API jobs in Clewer St. Stephen + 20 miles
304 exact matches jobs are outside your preferred location
)
£80000-100000 GBP - Equity - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - London (4 days onsite) £80,000 to £100,000 base plus package - A high-growth B2B fintech scale-up transforming how complex industries handle payments and financial workflows are growing their engineering team! They're profitable, well-funded, and engineering-led, and as their newest Engineer you'll shape their core platform and take ownership of critical features. This is a hands-on senior role where you can influence the technical direction, own features and build software that has a real impact. * Build and scale end-to-end features across the full stack using .NET and React * Work with SQL and NoSQL databases to deliver robust, high-performance solutions * Design, maintain and optimise cloud-based services on AWS, GCP or Azure
£80000-100000 GBP - Equity - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - London (4 days onsite) £80,000 to £100,000 base plus package - A high-growth B2B fintech scale-up transforming how complex industries handle payments and financial workflows are growing their engineering team! They're profitable, well-funded, and engineering-led, and as their newest Engineer you'll shape their core platform and take ownership of critical features. This is a hands-on senior role where you can influence the technical direction, own features and build software that has a real impact. * Build and scale end-to-end features across the full stack using .NET and React * Work with SQL and NoSQL databases to deliver robust, high-performance solutions * Design, maintain and optimise cloud-based services on AWS, GCP or Azure
PREMIUM
£45,000 to 60,000 GBP - Bonus - Hybrid WORKING - Location: Northampton, East Midlands - United Kingdom Type: Permanent - Location: Northampton (Hybrid - 2 days per week on-site) Salary: £50,000 - £60,000 + benefits - Sponsorship: Not available - About the Role - We are seeking an experienced Business Analyst (AVP level) to join a growing technology-focused change function within a forward-thinking organisation. This position is ideal for someone who enjoys analysing complex problems, engaging with stakeholders, and driving impactful technology solutions. You will play a key role in gathering requirements, shaping solutions, and supporting the delivery of business-critical initiatives. Key Responsibilities * Lead business analysis for small projects or workstreams within larger transformation programmes. * Gather and document clear, actionable business and functional r
£45,000 to 60,000 GBP - Bonus - Hybrid WORKING - Location: Northampton, East Midlands - United Kingdom Type: Permanent - Location: Northampton (Hybrid - 2 days per week on-site) Salary: £50,000 - £60,000 + benefits - Sponsorship: Not available - About the Role - We are seeking an experienced Business Analyst (AVP level) to join a growing technology-focused change function within a forward-thinking organisation. This position is ideal for someone who enjoys analysing complex problems, engaging with stakeholders, and driving impactful technology solutions. You will play a key role in gathering requirements, shaping solutions, and supporting the delivery of business-critical initiatives. Key Responsibilities * Lead business analysis for small projects or workstreams within larger transformation programmes. * Gather and document clear, actionable business and functional r
PREMIUM
)
12 months - Remote - Inside IR35 - Umbrella only - Active SC clearance required - As a Salesforce Developer, you will lead the development of custom solutions on the Salesforce platform. You will be responsible for writing Apex code, creating visual force pages, and implementing integrations. You will have a strong understanding of the Salesforce platform and experience leading successful projects. A Senior Salesforce Developer will have a deep understanding of the Salesforce platform and the ability to develop complex solutions, mentor and lead the development team, troubleshoot and provide technical support to clients. They will also have a solid understanding of web development concepts and languages and keep up-to-date with new Salesforce features and best practices. * Skilled in Apex, HTML, JavaScript (ES6+), CSS, SLDS, and Salesforce DX.
12 months - Remote - Inside IR35 - Umbrella only - Active SC clearance required - As a Salesforce Developer, you will lead the development of custom solutions on the Salesforce platform. You will be responsible for writing Apex code, creating visual force pages, and implementing integrations. You will have a strong understanding of the Salesforce platform and experience leading successful projects. A Senior Salesforce Developer will have a deep understanding of the Salesforce platform and the ability to develop complex solutions, mentor and lead the development team, troubleshoot and provide technical support to clients. They will also have a solid understanding of web development concepts and languages and keep up-to-date with new Salesforce features and best practices. * Skilled in Apex, HTML, JavaScript (ES6+), CSS, SLDS, and Salesforce DX.
FEATURED
)
We are looking for an enthusiastic and proactive Automation Tester with Python and Pytest experience to join our fantastic fintech client, largely remote with get togethers once a month in central London! This Automation Tester will be backend-focused, testing the server-side components, ensuring that the database (SQL), APIs, and business logic function correctly and efficiently. * Backend Automation testing skills with Python and Pytest. * Solid SQL skills and experience with relational databases. * Solid experience in automation testing using tools such as Selenium, Java, PHP, Go, or similar technologies. * Experience with Postman, SOAP UI, and Cucumber. * Batch processing experience. * Financial services / fintech experience. If you're passionate about testing, automation, and continuous learning, we would love to hear from you!
We are looking for an enthusiastic and proactive Automation Tester with Python and Pytest experience to join our fantastic fintech client, largely remote with get togethers once a month in central London! This Automation Tester will be backend-focused, testing the server-side components, ensuring that the database (SQL), APIs, and business logic function correctly and efficiently. * Backend Automation testing skills with Python and Pytest. * Solid SQL skills and experience with relational databases. * Solid experience in automation testing using tools such as Selenium, Java, PHP, Go, or similar technologies. * Experience with Postman, SOAP UI, and Cucumber. * Batch processing experience. * Financial services / fintech experience. If you're passionate about testing, automation, and continuous learning, we would love to hear from you!
)
*inside IR35* Key Responsibilities * Lead the design, implementation, and optimisation of CyberArk PAM solutions. * Manage CyberArk components including Vault, CPM, PSM, PSMP, CCP, PTA, AIM. * Plan and execute major version upgrades and migrations. * Automate credential onboarding, rotation, and decommissioning. * Develop and maintain Safes, RBAC structures, and master policies aligned to NIST 800-53 and Zero Trust. * Build custom connectors for non-standard platforms (e.g., Oracle Cloud). * Provide SME-level support and troubleshooting across CyberArk environments. * Integrate CyberArk with DevOps pipelines using AIM/AAM/Conjur. * Maintain documentation and deliver training to internal teams. Required Skills & Experience * 10+ years of hands-on experience with CyberArk PAM suite. * Strong knowledge of privileged access concepts, RBAC, and compliance frameworks (NIST,
*inside IR35* Key Responsibilities * Lead the design, implementation, and optimisation of CyberArk PAM solutions. * Manage CyberArk components including Vault, CPM, PSM, PSMP, CCP, PTA, AIM. * Plan and execute major version upgrades and migrations. * Automate credential onboarding, rotation, and decommissioning. * Develop and maintain Safes, RBAC structures, and master policies aligned to NIST 800-53 and Zero Trust. * Build custom connectors for non-standard platforms (e.g., Oracle Cloud). * Provide SME-level support and troubleshooting across CyberArk environments. * Integrate CyberArk with DevOps pipelines using AIM/AAM/Conjur. * Maintain documentation and deliver training to internal teams. Required Skills & Experience * 10+ years of hands-on experience with CyberArk PAM suite. * Strong knowledge of privileged access concepts, RBAC, and compliance frameworks (NIST,
)
*inside IR35* Key Responsibilities * Lead the design, implementation, and optimisation of CyberArk PAM solutions. * Manage CyberArk components including Vault, CPM, PSM, PSMP, CCP, PTA, AIM. * Plan and execute major version upgrades and migrations. * Automate credential onboarding, rotation, and decommissioning. * Develop and maintain Safes, RBAC structures, and master policies aligned to NIST 800-53 and Zero Trust. * Build custom connectors for non-standard platforms (e.g., Oracle Cloud). * Provide SME-level support and troubleshooting across CyberArk environments. * Integrate CyberArk with DevOps pipelines using AIM/AAM/Conjur. * Maintain documentation and deliver training to internal teams. Required Skills & Experience * 10+ years of hands-on experience with CyberArk PAM suite. * Strong knowledge of privileged access concepts, RBAC, and compliance frameworks (NIST,
*inside IR35* Key Responsibilities * Lead the design, implementation, and optimisation of CyberArk PAM solutions. * Manage CyberArk components including Vault, CPM, PSM, PSMP, CCP, PTA, AIM. * Plan and execute major version upgrades and migrations. * Automate credential onboarding, rotation, and decommissioning. * Develop and maintain Safes, RBAC structures, and master policies aligned to NIST 800-53 and Zero Trust. * Build custom connectors for non-standard platforms (e.g., Oracle Cloud). * Provide SME-level support and troubleshooting across CyberArk environments. * Integrate CyberArk with DevOps pipelines using AIM/AAM/Conjur. * Maintain documentation and deliver training to internal teams. Required Skills & Experience * 10+ years of hands-on experience with CyberArk PAM suite. * Strong knowledge of privileged access concepts, RBAC, and compliance frameworks (NIST,
)
Description - Role Overview: We are seeking a skilled Calypso Developer to support a strategic transformation programme aimed at establishing Calypso as the single book of record for all OTC Derivative trades within our Securities Services business. This role will be instrumental in expanding Calypso coverage, automating trade capture, lifecycle events, and pricing for a wide range of products and clients. ________________________________________ Key Responsibilities: Develop and configure Calypso to support new OTC derivative products including: o CDS (Options) o Performance Swaps Market Index o CDS Index Tranche Automate trade capture and lifecycle event processing for ~9 clients currently using manual input. Implement automated pricing solutions for ~11 clients currently priced manually. Collaborate with business analysts, product owners, and operations teams to ga
Description - Role Overview: We are seeking a skilled Calypso Developer to support a strategic transformation programme aimed at establishing Calypso as the single book of record for all OTC Derivative trades within our Securities Services business. This role will be instrumental in expanding Calypso coverage, automating trade capture, lifecycle events, and pricing for a wide range of products and clients. ________________________________________ Key Responsibilities: Develop and configure Calypso to support new OTC derivative products including: o CDS (Options) o Performance Swaps Market Index o CDS Index Tranche Automate trade capture and lifecycle event processing for ~9 clients currently using manual input. Implement automated pricing solutions for ~11 clients currently priced manually. Collaborate with business analysts, product owners, and operations teams to ga
PREMIUM
)
We're looking for an experienced Front-End Developer to join a fast-paced digital transformation project for a leading UK-based organisation in the manufacturing sector. This is an opportunity to make an immediate impact on a complex internal system used across multiple teams. You'll be joining at the latter stages of a large internal rebuild, helping optimise and refine an order processing platform that integrates data from over 40 different software tools. The ideal candidate will have a sharp eye for detail, a strong understanding of front-end best practices, and the ability to hit the ground running in a dynamic environment. * JavaScript (ES6+) * Vue.js * HTML5 / CSS3 * REST APIs & JSON * Enhance and streamline the user interface for an internal order processing system * Optimise workflows and improve system usability for internal teams
We're looking for an experienced Front-End Developer to join a fast-paced digital transformation project for a leading UK-based organisation in the manufacturing sector. This is an opportunity to make an immediate impact on a complex internal system used across multiple teams. You'll be joining at the latter stages of a large internal rebuild, helping optimise and refine an order processing platform that integrates data from over 40 different software tools. The ideal candidate will have a sharp eye for detail, a strong understanding of front-end best practices, and the ability to hit the ground running in a dynamic environment. * JavaScript (ES6+) * Vue.js * HTML5 / CSS3 * REST APIs & JSON * Enhance and streamline the user interface for an internal order processing system * Optimise workflows and improve system usability for internal teams
)
Software Engineer
Software Engineer
Inspire People
CR2, South Croydon
£41100 - £44400 per annum + 29% pension + Civil Service benefits
HM Land Registry (HMLR) are modernising the systems and services that underpin property ownership across England and Wales - some of the most valuable data in the UK economy. As a Software Developer, you'll play an important role in designing, building and supporting the digital services that help secure property rights and enable the housing market to function. Salary up to £44,400, 29% employer pension contribution plus full Civil Service benefits. Flexible, hybrid working from 14 office locations across the UK. Job Summary - You will join HMLR's Software Development Practice, part of the wider Digital, Data and Technology (DDaT) directorate. The practice includes Developers who work in multidisciplinary agile teams with product managers, delivery managers, testers, business analysts and user researchers.
HM Land Registry (HMLR) are modernising the systems and services that underpin property ownership across England and Wales - some of the most valuable data in the UK economy. As a Software Developer, you'll play an important role in designing, building and supporting the digital services that help secure property rights and enable the housing market to function. Salary up to £44,400, 29% employer pension contribution plus full Civil Service benefits. Flexible, hybrid working from 14 office locations across the UK. Job Summary - You will join HMLR's Software Development Practice, part of the wider Digital, Data and Technology (DDaT) directorate. The practice includes Developers who work in multidisciplinary agile teams with product managers, delivery managers, testers, business analysts and user researchers.
)
Enterprise Solution Architect - London Insurance Markets
Enterprise Solution Architect - London Insurance Markets
Sanderson Recruitment
EC1, City of London
£485 - £950 per day + Umbrella Engagement
Senior Solution Architect / Enterprise Solutuion Architect - Our client operate within the London Market insurance industry, recognised for its innovation, scale, and commitment to digital transformation. The organisation is undertaking a multi-year technology modernisation initiative aimed at enhancing core underwriting, claims, and broking platforms - and this role plays a pivotal part in shaping that future. The Opportunity - We've had a brilliant brief for a Senior Solution / Enterprise Architect to join a well-known brand within the London Market. You'll work closely with the Head of Architecture and a talented team of Enterprise and Senior Solution Architects to help define and evolve the organisation's strategic technology roadmap. This is a software and application-focused role, ideal for someone who brings deep London Market insurance domain expertise and a s
Senior Solution Architect / Enterprise Solutuion Architect - Our client operate within the London Market insurance industry, recognised for its innovation, scale, and commitment to digital transformation. The organisation is undertaking a multi-year technology modernisation initiative aimed at enhancing core underwriting, claims, and broking platforms - and this role plays a pivotal part in shaping that future. The Opportunity - We've had a brilliant brief for a Senior Solution / Enterprise Architect to join a well-known brand within the London Market. You'll work closely with the Head of Architecture and a talented team of Enterprise and Senior Solution Architects to help define and evolve the organisation's strategic technology roadmap. This is a software and application-focused role, ideal for someone who brings deep London Market insurance domain expertise and a s
FEATURED
)
Data Storage Engineer
Data Storage Engineer
Deerfoot Recruitment Solutions
EC2, City of London, EC2Y 9AN
Up to £635.63 per day
Fully Onsite in London (EC2Y / Moorgate) International Banking Group £635.63pd Inside IR35 - 01/01/26 to 31/08/26?????? Are you ready to take ownership of cutting-edge data storage solutions across a major international banking group? As a Data Storage Engineer, you'll join a collaborative technical team with responsibility for designing, implementing, configuring and supporting mission-critical storage and backup infrastructure, including a Dell EMC environment, PowerStore, PowerScale/Isilon and ECM/Elastic Cloud Storage. Key Responsibilities * Manage and maintain block, file, and object data storage systems for business systems and end users. * Provide technical ownership and support for all online storage technologies, including connectivity and backup. * Deliver strategic projects, updates, and improvement plans for storage and backup systems.
Fully Onsite in London (EC2Y / Moorgate) International Banking Group £635.63pd Inside IR35 - 01/01/26 to 31/08/26?????? Are you ready to take ownership of cutting-edge data storage solutions across a major international banking group? As a Data Storage Engineer, you'll join a collaborative technical team with responsibility for designing, implementing, configuring and supporting mission-critical storage and backup infrastructure, including a Dell EMC environment, PowerStore, PowerScale/Isilon and ECM/Elastic Cloud Storage. Key Responsibilities * Manage and maintain block, file, and object data storage systems for business systems and end users. * Provide technical ownership and support for all online storage technologies, including connectivity and backup. * Deliver strategic projects, updates, and improvement plans for storage and backup systems.
FEATURED
)
£40,000 to £90,000 (DOE) + performance bonus - Permanent - Hybrid - UK nationals only |Must hold SC clearance - About the Role - An innovative UK technology company is developing a next-generation AI platform designed for defence and health applications. Were looking for a Software Engineer who thrives on learning quickly, solving complex technical problems, and building systems that make a real-world impact. This is a genuine ground-floor opportunity to influence both the technology and your career path within a growing, mission-driven business. What Youll Work On * Design, build, and scale intelligent systems and microservices * Develop AI-driven capabilities (e.g. LLMs, retrieval-augmented generation (RAG), and AI agents) * Build and maintain APIs, data pipelines, and backend components (primarily Python, FastAPI, or Flask)
£40,000 to £90,000 (DOE) + performance bonus - Permanent - Hybrid - UK nationals only |Must hold SC clearance - About the Role - An innovative UK technology company is developing a next-generation AI platform designed for defence and health applications. Were looking for a Software Engineer who thrives on learning quickly, solving complex technical problems, and building systems that make a real-world impact. This is a genuine ground-floor opportunity to influence both the technology and your career path within a growing, mission-driven business. What Youll Work On * Design, build, and scale intelligent systems and microservices * Develop AI-driven capabilities (e.g. LLMs, retrieval-augmented generation (RAG), and AI agents) * Build and maintain APIs, data pipelines, and backend components (primarily Python, FastAPI, or Flask)
FEATURED
)
Data Migration Engineer - CRM - Remote - Outside IR35
Data Migration Engineer - CRM - Remote - Outside IR35
Morson Edge
The Borough, SE1 0AA
£400 - 500 per day + None
This is a fantastic opportunity to work as a Data Migration Engineer for a publishing company, on a remote contract, initially for 3 months and outside IR35. This Data Migration Engineer will join a team, responsible for the migration 6 CRMs to 1 new CRM and migrating 20 million rows of data. * CRM migration * APIs * Json * XML * Low code * Airtable (desirable) If you do have the relevant skills for this Data Migration Engineer contract, please do apply.
This is a fantastic opportunity to work as a Data Migration Engineer for a publishing company, on a remote contract, initially for 3 months and outside IR35. This Data Migration Engineer will join a team, responsible for the migration 6 CRMs to 1 new CRM and migrating 20 million rows of data. * CRM migration * APIs * Json * XML * Low code * Airtable (desirable) If you do have the relevant skills for this Data Migration Engineer contract, please do apply.
This is a fantastic opportunity to work as an Airtime Developer on a long term contract, outside IR35, on a remote basis. This Airtable Developer will be responsible for migrating 20 million rows of data and 6 CRMs into 1 CRM. * Airtable * APIs * AI * Databases If you do have the relevant experience for this Airtable Developer position, please do apply.
This is a fantastic opportunity to work as an Airtime Developer on a long term contract, outside IR35, on a remote basis. This Airtable Developer will be responsible for migrating 20 million rows of data and 6 CRMs into 1 CRM. * Airtable * APIs * AI * Databases If you do have the relevant experience for this Airtable Developer position, please do apply.
)
Deep Azure expertise, with M365 ecosystem governance: Power Platform, E5 optimisation, Azure integration services such as Logic Apps, Service Bus, Event Grid, API Management).
Deep Azure expertise, with M365 ecosystem governance: Power Platform, E5 optimisation, Azure integration services such as Logic Apps, Service Bus, Event Grid, API Management).
NEW
)
Contribute to backend/API testing and assist with security testing initiatives * Strong knowledge of API testing and backend system validation
Contribute to backend/API testing and assist with security testing initiatives * Strong knowledge of API testing and backend system validation
NEW
)
Apply DevOps concepts and use Azure ADB2C and cloud services (API management, App Service, Azure configurations).
Apply DevOps concepts and use Azure ADB2C and cloud services (API management, App Service, Azure configurations).
NEW
4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
NEW
)
AI (artificial intelligence) DevOps Engineer
AI (artificial intelligence) DevOps Engineer
Huxley Associates
EC1, City of London
£60000 - £90000 per annum
You'll also ensure alignment with enterprise-grade security practices, including zero trust principles, identity-aware routing, and integration with Azure API Management and Application Gateway. * API Gateway, Azure API Management (APIM), Azure Application Gateway
You'll also ensure alignment with enterprise-grade security practices, including zero trust principles, identity-aware routing, and integration with Azure API Management and Application Gateway. * API Gateway, Azure API Management (APIM), Azure Application Gateway
NEW
)
Cloud Engineer – Oracle Fusion & Cloud Infrastructure
Cloud Engineer – Oracle Fusion & Cloud Infrastructure
EFCI Group Ltd
OX4, Oxford
From £60,000 to £70,000 per annum + £6500 travel allowance + 10% bonus
Familiarity with Oracle Integration Cloud (OIC) and API Gateway configurations.
Familiarity with Oracle Integration Cloud (OIC) and API Gateway configurations.
)
Cutting-Edge Projects: From building SOAR playbooks and API integrations to designing full automation frameworks - your work will directly shape how customers run their SOCs. * Python / PowerShell / REST API scripting ability.
Cutting-Edge Projects: From building SOAR playbooks and API integrations to designing full automation frameworks - your work will directly shape how customers run their SOCs. * Python / PowerShell / REST API scripting ability.
NEWFEATURED
)
RESTful API design and development
RESTful API design and development
NEW
)
Data exchange and processing skills (e.g. ETL, ESB, API...)
Data exchange and processing skills (e.g. ETL, ESB, API...)
NEWFEATURED
)
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid
NEW
)
Principal Software Engineer - Unified Client Experience (UCX)
Principal Software Engineer - Unified Client Experience (UCX)
Hargreaves Lansdown
EC1, City of London
Up to £11500 per annum + Generous bonus, pension, PMI & more
Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services.
Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services.
NEWFEATURED
Related Jobs
Locations
- The City, City (EC4)
- Ireland
- The Borough
- The City, City (EC2)
- Campden Hill
- Euston
- Fishery
- Southwark
- The City, City (EC3)
- Victoria
- City of London
- Reading
- South East London
- Central London
- West End
- Milton Keynes
- Abingdon
- Basingstoke
- Oxford
- West London
- London
- Berkshire
- Hampshire
- Oxfordshire
- Buckinghamshire
- Bedfordshire
- Northamptonshire
- Hertfordshire
- Surrey
- Wiltshire
- South East
- East Midlands
- Midlands
- South West