Date posted
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Locations
Locations
Salaries
Date posted
Type of Company
Job types
25 API jobs in East London + 20 miles
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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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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
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Senior Test Manager
Senior Test Manager
Infoplus Technologies UK Ltd
City of London (EC3M)
From £450 to £500 per day Depends on Experience
Cloud and API led architecture experience.
Cloud and API led architecture experience.
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Work with .NET (C#), Azure Integration Services (Logic Apps, API Management, Service Bus, Event Grid), and containerised microservices (Docker, AKS). * Champion best practices for API-led connectivity, event-driven architectures, and pub/sub messaging patterns. * Understanding of integration patterns (pub/sub, API-led, event-driven) and security standards (OAuth2, JWT, TLS, API security).
Work with .NET (C#), Azure Integration Services (Logic Apps, API Management, Service Bus, Event Grid), and containerised microservices (Docker, AKS). * Champion best practices for API-led connectivity, event-driven architectures, and pub/sub messaging patterns. * Understanding of integration patterns (pub/sub, API-led, event-driven) and security standards (OAuth2, JWT, TLS, API security).
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Full Stack Engineer JavaScript
Full Stack Engineer JavaScript
Staffworx Limited
West London (W10)
market rates, outside IR35, 6 months initial, long term extensions
Design & develop GraphQL API services from schema, supergraph, subgraph design to production integration, ensuring performance, flexibility, and maintainability. * Collaborate in Agile teams, driving API strategy, reviewing pull requests, and improving delivery processes. * Familiarity with testing frameworks (Vitest, Playwright) for both API and end-to-end testing.
Design & develop GraphQL API services from schema, supergraph, subgraph design to production integration, ensuring performance, flexibility, and maintainability. * Collaborate in Agile teams, driving API strategy, reviewing pull requests, and improving delivery processes. * Familiarity with testing frameworks (Vitest, Playwright) for both API and end-to-end testing.
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Lead React Native Engineer / Engineering manager
Lead React Native Engineer / Engineering manager
Sanderson Recruitment
City of London (EC1), EC1
£600 - £700 per day + Outside IR35
Strong API/integration experience: REST / GraphQL, auth flows, contract design and resilience patterns
Strong API/integration experience: REST / GraphQL, auth flows, contract design and resilience patterns
FEATURED
Solution Architect - PreSales, Bids, Digital Transformation.
Solution Architect - PreSales, Bids, Digital Transformation.
Sanderson Recruitment
City of London (EC1), EC1
£700 - £800 per day
Strategic Bid Architect / Pre Sales Solution Architect / Bid Solution Architect / Bid Architect - Solutions - This is a pivotal role in shaping, validating, and presenting complex digital, data, and AI-enabled solutions that are commercially competitive, architecturally robust, and operationally deliverable. Acting as the senior solution leader, the role is accountable for designing and governing advanced, cloud-native, and data-driven architectures for strategic, complex, and high-value bids, showcasing our clients digital design ethos and technical excellence. They ensure that all proposals are aligned to customer outcomes, compliant with requirements, and consistent with enterprise standards and delivery capability - delivering winning, sustainable propositions for our client. Working closely with the Growth and Business Development teams from the earliest stages of the ...
Strategic Bid Architect / Pre Sales Solution Architect / Bid Solution Architect / Bid Architect - Solutions - This is a pivotal role in shaping, validating, and presenting complex digital, data, and AI-enabled solutions that are commercially competitive, architecturally robust, and operationally deliverable. Acting as the senior solution leader, the role is accountable for designing and governing advanced, cloud-native, and data-driven architectures for strategic, complex, and high-value bids, showcasing our clients digital design ethos and technical excellence. They ensure that all proposals are aligned to customer outcomes, compliant with requirements, and consistent with enterprise standards and delivery capability - delivering winning, sustainable propositions for our client. Working closely with the Growth and Business Development teams from the earliest stages of the ...
FEATURED
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Build FE views against back end endpoints - API like
Build FE views against back end endpoints - API like
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Senior Java Developer (Contract) Java | Spring Boot | Kafka | Microservices | Kubernetes | AWS - London (Hybrid) | 912 Months | Competitive Day Rate - We are hiring a Senior Java Developer for a long-term contract within a major financial market infrastructure organisation in London. This role is focused on event-driven microservices, Kafka-based architectures, containerised deployments, and high-performance distributed systems. If your experience is primarily CRUD REST APIs without large-scale distributed systems exposure, this role will not be the right fit. Core Requirements (Must Have) * Strong Core Java development (Java 10+) * Extensive Spring Boot experience * Proven Microservices architecture experience * Hands-on Apache Kafka (producers, consumers, topics, partitions) * Experience building event-driven systems * Docker & Kubernetes in production
Senior Java Developer (Contract) Java | Spring Boot | Kafka | Microservices | Kubernetes | AWS - London (Hybrid) | 912 Months | Competitive Day Rate - We are hiring a Senior Java Developer for a long-term contract within a major financial market infrastructure organisation in London. This role is focused on event-driven microservices, Kafka-based architectures, containerised deployments, and high-performance distributed systems. If your experience is primarily CRUD REST APIs without large-scale distributed systems exposure, this role will not be the right fit. Core Requirements (Must Have) * Strong Core Java development (Java 10+) * Extensive Spring Boot experience * Proven Microservices architecture experience * Hands-on Apache Kafka (producers, consumers, topics, partitions) * Experience building event-driven systems * Docker & Kubernetes in production
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London (1 day per month - may be more frequent) - £800 - £825 Inside IR35 - Morson Edge have partnered with a major UK retail client to recruit an experienced Security Architect to play a pivotal role in a high-profile Cyber Security Maturity Programme within the CISO function. This a great opportunity to shape and elevate enterprise-wide cyber maturity, influence strategic direction, and drive meaningful, measurable improvements to security resilience across a complex technology estate. You’ll act as a security champion, working at the heart of architecture, engineering, and business teams to embed secure-by-design principles and deliver a forward-looking security architecture that evolves with both business priorities and the threat landscape. What You’ll Be Doing * Lead the design and evolution of target-state security architectures aligned to maturity goals * Drive cyber ...
London (1 day per month - may be more frequent) - £800 - £825 Inside IR35 - Morson Edge have partnered with a major UK retail client to recruit an experienced Security Architect to play a pivotal role in a high-profile Cyber Security Maturity Programme within the CISO function. This a great opportunity to shape and elevate enterprise-wide cyber maturity, influence strategic direction, and drive meaningful, measurable improvements to security resilience across a complex technology estate. You’ll act as a security champion, working at the heart of architecture, engineering, and business teams to embed secure-by-design principles and deliver a forward-looking security architecture that evolves with both business priorities and the threat landscape. What You’ll Be Doing * Lead the design and evolution of target-state security architectures aligned to maturity goals * Drive cyber ...
PREMIUM
Business Analyst (Information Technology) - SC Active
Business Analyst (Information Technology) - SC Active
Infoplus Technologies UK Ltd
City of London (EC2)
From £400 to £450 per day
Skills & Experience - Essential - Demonstrated experience as a Business Analyst in technology focused or IWMS/Facilities Management environments. Strong process analysis and BPMN based modelling skills. Proven ability to analyse system interfaces, data flows, and integration requirements. Understanding of IWMS platforms; experience with Planon is highly desirable. Ability to translate business needs into clear, structured, and actionable documentation. Excellent communication, stakeholder management, and facilitation skills. Key Responsibilities - Process Analysis & Requirements Gathering - Analyse existing processes within the Banks Planon IWMS, documenting current state workflows, business rules, data dependencies, and system interactions. Engage stakeholders to understand operational needs, pain points, and gaps between Planon and the suppliers IWMS.
Skills & Experience - Essential - Demonstrated experience as a Business Analyst in technology focused or IWMS/Facilities Management environments. Strong process analysis and BPMN based modelling skills. Proven ability to analyse system interfaces, data flows, and integration requirements. Understanding of IWMS platforms; experience with Planon is highly desirable. Ability to translate business needs into clear, structured, and actionable documentation. Excellent communication, stakeholder management, and facilitation skills. Key Responsibilities - Process Analysis & Requirements Gathering - Analyse existing processes within the Banks Planon IWMS, documenting current state workflows, business rules, data dependencies, and system interactions. Engage stakeholders to understand operational needs, pain points, and gaps between Planon and the suppliers IWMS.
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AI Automation Developer Consultant - London, £550pd
AI Automation Developer Consultant - London, £550pd
Langley James Limited
St James, South West London (SW1), WC2N 5HS
£525 - £550 per day
AI Automation Developer Consultant for 6 months to design, develop, and maintain intelligent automation solutions across an Insurance Firm based in the City of London paying upto £550 per day, inside IR35 in a Hybrid role (Predominantly Office based initially and then 3/4 Office Days) . The AI Automation Developer must have a proven track record of actually implementing/delivering AI Automations. The role focuses on leveraging the Microsoft technology stack, including Copilot Enterprise, Power Apps, Azure services, Python, and OpenAI technologies, to streamline workflows, enhance operational efficiency, and support data-driven decision making. The successful candidate will work closely with the Innovations Team, Data, IT, operations, and business stakeholders to identify automation opportunities, implement scalable AI solutions, and ensure strong governance, security, ...
AI Automation Developer Consultant for 6 months to design, develop, and maintain intelligent automation solutions across an Insurance Firm based in the City of London paying upto £550 per day, inside IR35 in a Hybrid role (Predominantly Office based initially and then 3/4 Office Days) . The AI Automation Developer must have a proven track record of actually implementing/delivering AI Automations. The role focuses on leveraging the Microsoft technology stack, including Copilot Enterprise, Power Apps, Azure services, Python, and OpenAI technologies, to streamline workflows, enhance operational efficiency, and support data-driven decision making. The successful candidate will work closely with the Innovations Team, Data, IT, operations, and business stakeholders to identify automation opportunities, implement scalable AI solutions, and ensure strong governance, security, ...
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Senior VMware Engineer SC Cleared
Senior VMware Engineer SC Cleared
Sanderson Government and Defence
City of London (EC1), EC1
£450 - £513 per day
Position: Senior VMware Engineer - Location: Hybrid / London - Day Rate: £500 p.d inside IR35 - SC Clearance Required - A leading consultancy is supporting a flagship central-government transformation and is looking for a Senior VMware & Automation Engineer to help modernise and automate a large, secure virtual infrastructure estate. This role is ideal for someone who enjoys building reliable automation at scale and wants their work to have national impact. The role - You'll lead automated VM lifecycle management across a complex VMware environment, creating efficient provisioning pipelines and improving how the platform is delivered, secured, and operated. You'll work closely with platform SMEs and engineering teams to ensure consistent, compliant, and high-quality VM operations. Key responsibilities * Build and optimise automated VM provisioning and lifecycle workflows using PowerCLI, ...
Position: Senior VMware Engineer - Location: Hybrid / London - Day Rate: £500 p.d inside IR35 - SC Clearance Required - A leading consultancy is supporting a flagship central-government transformation and is looking for a Senior VMware & Automation Engineer to help modernise and automate a large, secure virtual infrastructure estate. This role is ideal for someone who enjoys building reliable automation at scale and wants their work to have national impact. The role - You'll lead automated VM lifecycle management across a complex VMware environment, creating efficient provisioning pipelines and improving how the platform is delivered, secured, and operated. You'll work closely with platform SMEs and engineering teams to ensure consistent, compliant, and high-quality VM operations. Key responsibilities * Build and optimise automated VM provisioning and lifecycle workflows using PowerCLI, ...
FEATURED
Senior Full Stack Engineer
Senior Full Stack Engineer
Station Group International Limited
West London (W1J)
From £450 to £500 per day
.NET 6+ | Angular | Azure | £500 per day | Inside IR35 | London (3 days onsite) We are supporting a London-based organisation in hiring two Senior Full Stack Engineers on an initial 6-month contract (Inside IR35). This is a structured addition to an established engineering team not a rescue or firefight. The existing team are aligned, supportive, and fully on board with the hires. You will report directly to the hiring manager and play a key role in delivering modern digital platforms. The Role * .NET 6+ / .NET Core (C#) * Angular (modern versions) * Azure PaaS (App Services, Functions, SQL, EntraID) * REST APIs * Azure DevOps CI/CD pipelines - Youll be involved across the full lifecycle from technical design through to delivery working within an Agile team focused on quality and collaboration. What Were Looking For * 6+ years full stack development experience
.NET 6+ | Angular | Azure | £500 per day | Inside IR35 | London (3 days onsite) We are supporting a London-based organisation in hiring two Senior Full Stack Engineers on an initial 6-month contract (Inside IR35). This is a structured addition to an established engineering team not a rescue or firefight. The existing team are aligned, supportive, and fully on board with the hires. You will report directly to the hiring manager and play a key role in delivering modern digital platforms. The Role * .NET 6+ / .NET Core (C#) * Angular (modern versions) * Azure PaaS (App Services, Functions, SQL, EntraID) * REST APIs * Azure DevOps CI/CD pipelines - Youll be involved across the full lifecycle from technical design through to delivery working within an Agile team focused on quality and collaboration. What Were Looking For * 6+ years full stack development experience
You will support their ticket handling and ongoing development work following their recent go-live. This engagement will initially run for 1 month and will involve close collaboration with their in-house NAV/BC developer. * Providing support for our Business Central helpdesk tickets * Delivering work on newfeature requests * Strong reporting expertise, including Business CentraltoBI and Excel integrations via APIs * Ability to advise on the migration path from on-premise to SaaS * Comprehensive understanding of the Business Centralon-premise infrastructure (e.g., HTTPS printing, email configurations, and related scenarios) * Knowledge of CRM platforms with the ability to guide them on the recommended approach and considerations Potential for further project work. £450-500 per day. Based Hertfordshire / Remote
You will support their ticket handling and ongoing development work following their recent go-live. This engagement will initially run for 1 month and will involve close collaboration with their in-house NAV/BC developer. * Providing support for our Business Central helpdesk tickets * Delivering work on newfeature requests * Strong reporting expertise, including Business CentraltoBI and Excel integrations via APIs * Ability to advise on the migration path from on-premise to SaaS * Comprehensive understanding of the Business Centralon-premise infrastructure (e.g., HTTPS printing, email configurations, and related scenarios) * Knowledge of CRM platforms with the ability to guide them on the recommended approach and considerations Potential for further project work. £450-500 per day. Based Hertfordshire / Remote
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AI Fullstack Engineer - Remote - Outside IR35
AI Fullstack Engineer - Remote - Outside IR35
Morson Edge
Shadwell, East London (E1), E1 0AA
£600 - 650 per day
Fast API
Fast API
PREMIUM
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Senior JavaScript Developer
Senior JavaScript Developer
SCALERS GROUP LIMITED
The City, City of London (EC4), EC4N 6AP
From £600 to £650 per day
Experience with Rest API's and GraphQL
Experience with Rest API's and GraphQL
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EUC Solutions Architect (Google Workspace & Slack)
EUC Solutions Architect (Google Workspace & Slack)
Henderson Scott
City of London (EC1)
£500 - £515 per day
Security & Identity: Strong understanding of SAML/OAuth, event frameworks, and API-based automation.
Security & Identity: Strong understanding of SAML/OAuth, event frameworks, and API-based automation.
FEATURED
Java Developer
Java Developer
Sanderson Government and Defence
City of London (EC1), EC1
Up to £550 per day + Inside IR35
The ideal candidate has strong experience in core Java, modern frameworks, API development, and cloud-based architectures.
The ideal candidate has strong experience in core Java, modern frameworks, API development, and cloud-based architectures.
FEATURED
Experience with Azure API Management for exposing backend services to mobile apps
Experience with Azure API Management for exposing backend services to mobile apps
FEATURED
Full stack Developer React
Full stack Developer React
SCALERS GROUP LIMITED
The City, City of London (EC2), EC3V 3LA
From £500 to £550 per day
Experience with Rest API's and GraphQL
Experience with Rest API's and GraphQL
Modernise systems into cloud-native, API-first architectures
Modernise systems into cloud-native, API-first architectures
FEATURED
Head of Quality Engineering
Head of Quality Engineering
Infoplus Technologies UK Ltd
City of London (EC3M)
From £650 to £700 per day
API Automation (REST Assured, Karate, Postman)
API Automation (REST Assured, Karate, Postman)
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Experience integrating UI with RESTful API services.
Experience integrating UI with RESTful API services.
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GenAI Specialist
GenAI Specialist
Velocity Talent Ltd
Bromley (BR1)
From £500 to £550 per day £500 TO £550 A DAY inside IR35
Minimum 5 years in Python programming, including OOPs, data structures, Stacks, Queues, Scripting, Linkedlists, Arrays, and API development. Experience with API Gateway development and deployment on Azure/GCP.
Minimum 5 years in Python programming, including OOPs, data structures, Stacks, Queues, Scripting, Linkedlists, Arrays, and API development. Experience with API Gateway development and deployment on Azure/GCP.