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- The City, City (EC3)
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74 Contract API jobs in South West London + 20 miles
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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
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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
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Solution Architect
Solution Architect
I3 Resourcing Limited
The City, City of London (EC3), EC3V 3ND
£100000 - £120000 per annum + + bonus + benefits
Experience with API-led, microservices, and integration architectures
Experience with API-led, microservices, and integration architectures
)
Automation Engineer – Storage & Platform (Python / CI/CD / APIs)
Automation Engineer – Storage & Platform (Python / CI/CD / APIs)
Essential Consulting
South East London (SE1)
Unspecified Competitive Daily Rate - Inside IR35
Engineering API integrations between systems (REST APIs, authentication, error handling, retries, idempotency) * Hands-on experience with API integration and automation
Engineering API integrations between systems (REST APIs, authentication, error handling, retries, idempotency) * Hands-on experience with API integration and automation
)
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.
FEATURED
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Lead Solution Architect – Endur (ETRM Gas & Power Trading)
Lead Solution Architect – Endur (ETRM Gas & Power Trading)
BP Energy
St James, South West London (SW1), WC2N 5DU
Competitive
Experience with modern architecture patterns: microservices, messaging/event-driven design, caching, and API strategy.
Experience with modern architecture patterns: microservices, messaging/event-driven design, caching, and API strategy.
)
Good understanding of API-led, integration-centric architectures and data-flow modelling * Experience with API gateways, middleware, or enterprise integration platforms
Good understanding of API-led, integration-centric architectures and data-flow modelling * Experience with API gateways, middleware, or enterprise integration platforms
PREMIUM
• Skill in API design and security in API management ecosystem
• Skill in API design and security in API management ecosystem
PREMIUM
Full Stack Engineer - Equity
Full Stack Engineer - Equity
Dental startup
Central London (W1)
Up to £60,000 per annum Equity - Founding Engineer
You'll own the full stack database architecture, API layer, and front-end, and you'll work directly with the founder on every major decision. * Architect and build the core platform from scratch schema, API, and front-end * Strong Node.js REST API development, authentication, middleware * Third-party API and webhook integration experience
You'll own the full stack database architecture, API layer, and front-end, and you'll work directly with the founder on every major decision. * Architect and build the core platform from scratch schema, API, and front-end * Strong Node.js REST API development, authentication, middleware * Third-party API and webhook integration experience
Senior Software Developer
Senior Software Developer
Tech 4
East London (E10)
From £68,000 to £70,000 per annum + excellent benefits
Assist with the design, implementation, and testing of APIs that adhere to the Open API specification
Assist with the design, implementation, and testing of APIs that adhere to the Open API specification
)
Develop and maintain Python code for data processing, API development, and integration with the Azure Databricks environment.
Develop and maintain Python code for data processing, API development, and integration with the Azure Databricks environment.
FEATURED
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Tester/ Full Stack Quality Engineer - Katalon, Hybrid - London
Tester/ Full Stack Quality Engineer - Katalon, Hybrid - London
Sanderson Recruitment
City of London (EC1), EC1
£35000 - £75000 per annum + bonus scheme
Supporting a shift-left approach, improving collaboration with developers, and helping move testing beyond UI into stronger API and upstream quality practices.
Supporting a shift-left approach, improving collaboration with developers, and helping move testing beyond UI into stronger API and upstream quality practices.
FEATURED
)
Lead Integration Architect - 12 Months Contract Outside IR35 £600 to £650 a day - 3 days a week in Dartford Kent - A global powerhouse in the Infrastructure and Built Environment sector is urgently seeking a visionary Integration Architect to spearhead the connectivity for a multi-million-pound Digital Manufacturing Cloud (DMC) transformation. This isn't a maintenance role. You will own the entire integration architecture, acting as the master orchestrator for a complex ecosystem. You will ensure that high-level ERP and HR systems communicate perfectly with the precision-engineered data flows of PLM, MES, and QMS platforms. As an integration Architect you will have the following responsibilities * Define the integration architecture that allows disparate enterprise systems to speak a single, fluent language.
Lead Integration Architect - 12 Months Contract Outside IR35 £600 to £650 a day - 3 days a week in Dartford Kent - A global powerhouse in the Infrastructure and Built Environment sector is urgently seeking a visionary Integration Architect to spearhead the connectivity for a multi-million-pound Digital Manufacturing Cloud (DMC) transformation. This isn't a maintenance role. You will own the entire integration architecture, acting as the master orchestrator for a complex ecosystem. You will ensure that high-level ERP and HR systems communicate perfectly with the precision-engineered data flows of PLM, MES, and QMS platforms. As an integration Architect you will have the following responsibilities * Define the integration architecture that allows disparate enterprise systems to speak a single, fluent language.
FEATURED
)
SAP IBP Demand Planning Consultant
SAP IBP Demand Planning Consultant
Henderson Scott
Walton-On-Thames (KT12), KT12 1AE
£600 - £650 per day + 6 Months + Extensions
Design and manage SAP IBP OData API integrations and CPI flows
Design and manage SAP IBP OData API integrations and CPI flows
)
Automation Test Engineer
Automation Test Engineer
Data Careers
Southwark, South East London (SE1), SE1
£55000 - £75000 per annum
Skills: Integration Testing, API Testing, SQL, BDD (Gherkin / SpecFlow), Test Automation * Support API and integration testing across distributed systems * API testing expertise
Skills: Integration Testing, API Testing, SQL, BDD (Gherkin / SpecFlow), Test Automation * Support API and integration testing across distributed systems * API testing expertise
Integration and API testing across Salesforce, SAP, and downstream systems
Integration and API testing across Salesforce, SAP, and downstream systems
)
Implement robust state management and API integration * Collaborate with backend teams on API contracts and integration
Implement robust state management and API integration * Collaborate with backend teams on API contracts and integration
FEATURED
Strong knowledge of data modeling and API integration.
Strong knowledge of data modeling and API integration.
)
API integration
API integration
PREMIUM
API Automation (REST Assured, Karate, Postman)
API Automation (REST Assured, Karate, Postman)
)
Experience of API technologies and writing Restful APIs in JSON
Experience of API technologies and writing Restful APIs in JSON
FEATURED
)
Backend Developer - Java
Backend Developer - Java
Infoplus Technologies UK Ltd
The City, City of London (EC3), EC4R 9AA
Unspecified
Role: Backend Developer - Java - Location: Edinburgh / London, UK - Duration: Contract - Your Profile * 510 years of overall software development experience, with minimum 4+ years of hands on Java development * Strong experience with Java 9+ * Proven expertise in Spring Framework (Spring Boot, Spring MVC, Spring Core) * Hands on experience building backend services and APIs and Microservices * Solid understanding of object oriented design, design patterns, and clean code principles * Experience working in Agile / Scrum environments * Strong problem solving and debugging skills * Ability to work effectively in distributed, multi team environments * Experience with SaaS based architectures * Exposure to event driven architecture (Kafka, JMS, or equivalent) * Experience with system integration and enterprise messaging * Knowledge of cloud platforms (GCP preferred)
Role: Backend Developer - Java - Location: Edinburgh / London, UK - Duration: Contract - Your Profile * 510 years of overall software development experience, with minimum 4+ years of hands on Java development * Strong experience with Java 9+ * Proven expertise in Spring Framework (Spring Boot, Spring MVC, Spring Core) * Hands on experience building backend services and APIs and Microservices * Solid understanding of object oriented design, design patterns, and clean code principles * Experience working in Agile / Scrum environments * Strong problem solving and debugging skills * Ability to work effectively in distributed, multi team environments * Experience with SaaS based architectures * Exposure to event driven architecture (Kafka, JMS, or equivalent) * Experience with system integration and enterprise messaging * Knowledge of cloud platforms (GCP preferred)
)
Enterprise Architect - Satellite/Mobile Telecoms Solutions
Enterprise Architect - Satellite/Mobile Telecoms Solutions
Staffworx Limited
City of London (EC1A)
market rates, outside IR35
A global consultancy operating in mobile telecoms and satellite is looking for an Enterprise Architect to lead service and operational transformation across their client programmes. You will own the architectural vision for operational support and service assurance, working closely with client product, engineering and commercial teams to drive measurable improvements in service quality, platform resilience and partner ecosystem integration. * Defining and owning target-state architecture for OSS and service assurance platforms across satellite and terrestrial networks * Designing service assurance frameworks covering fault management, performance monitoring, SLA management, and root cause analysis * Leading the architectural roadmap for satellite and mobile, focused on interoperability and ecosystem enablement
A global consultancy operating in mobile telecoms and satellite is looking for an Enterprise Architect to lead service and operational transformation across their client programmes. You will own the architectural vision for operational support and service assurance, working closely with client product, engineering and commercial teams to drive measurable improvements in service quality, platform resilience and partner ecosystem integration. * Defining and owning target-state architecture for OSS and service assurance platforms across satellite and terrestrial networks * Designing service assurance frameworks covering fault management, performance monitoring, SLA management, and root cause analysis * Leading the architectural roadmap for satellite and mobile, focused on interoperability and ecosystem enablement
)
Director of Technical Delivery
Director of Technical Delivery
Wilmington
City of London (EC4R)
Circa £100,000 - £110,000 (DoE) + 15% bonus
Strong expertise in composable, microservice-based architectures, including API design, event-driven integration, and service decomposition - Proven track record delivering large-scale platform integration or migration programmes across complex, multi-system and multi-vendor environments, including API integration, data migration, identity consolidation, release management, and cutover execution
Strong expertise in composable, microservice-based architectures, including API design, event-driven integration, and service decomposition - Proven track record delivering large-scale platform integration or migration programmes across complex, multi-system and multi-vendor environments, including API integration, data migration, identity consolidation, release management, and cutover execution
NEWFEATURED
Software Engineer C# .Net Azure SaaS
Software Engineer C# .Net Azure SaaS
Client Server
Richmond (TW9), TW9
£50000 - £65000 per annum + benefits
Software Engineer / Developer (C# .Net Azure) Richmond / WFH to £65k - Are you a Microsoft technologist looking for a role where you can make an impact and progress your career? You could be joining a well funded tech start-up, with recent £35 million investment, as they scale. As a Software Engineer you'll collaborate with the Lead Engineer to develop scalable and secure architectures within the core product, a software application for MSPs that enables them to manage and monitor Microsoft 365 security across multiple tenants and update security policy within seconds. You'll focus on back end development using modern C# .Net within an Azure Serverless Architecture. You'll be supported and encouraged to contribute to technical discussions and decision making, progressing your career in line with company growth in a role you can shape and influence.
Software Engineer / Developer (C# .Net Azure) Richmond / WFH to £65k - Are you a Microsoft technologist looking for a role where you can make an impact and progress your career? You could be joining a well funded tech start-up, with recent £35 million investment, as they scale. As a Software Engineer you'll collaborate with the Lead Engineer to develop scalable and secure architectures within the core product, a software application for MSPs that enables them to manage and monitor Microsoft 365 security across multiple tenants and update security policy within seconds. You'll focus on back end development using modern C# .Net within an Azure Serverless Architecture. You'll be supported and encouraged to contribute to technical discussions and decision making, progressing your career in line with company growth in a role you can shape and influence.
PREMIUM
Related Jobs
Locations
- The City, City (EC3)
- Shoreditch
- Moorgate
- Chilton
- Englefield Green
- Euston
- Granby Industrial Estate
- Harmondsworth
- Hinxton
- Littlemore
- City of London
- Cambridge
- Central London
- East London
- West End
- Milton Keynes
- South West London
- Dartford
- Reading
- Wokingham
- London
- Cambridgeshire
- Berkshire
- Buckinghamshire
- Surrey
- Kent
- Oxfordshire
- Hertfordshire
- West Sussex
- East Sussex
- South East
- East Anglia