351 to 375 of 399 REST Jobs in England

Senior Dynamics Developer

Hiring Organisation
Nigel Frank International
Location
Cambridge, Cambridgeshire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
query Dataverse data using FetchXML, OData, Web API, and QueryExpression with security-aware filtering. Integrate Dynamics/Dataverse with internal and external systems using REST/Graph APIs and Azure services (Functions, Logic Apps, Service Bus). Manage ALM processes including solution strategy, CI/CD pipelines, versioning, and environment … driven apps, including UI enhancements, client-side scripting, and Business Process Flows. Solid background integrating systems using Azure Functions, Logic Apps, Service Bus, and REST/Graph APIs. Strong ALM knowledge with Azure DevOps, including CI/CD pipelines, solution management, versioning, and environment governance. Benefits Starting Salary ...

Developer Golang

Hiring Organisation
CBTS
Location
London Area, United Kingdom
Client: Largest American Credit Card Company Location: Burgess Hill 3 days/week Years of Exp: 6-9 years Skills: Go, Java, Git, REST, Jenkins, NoSQL, Postgres/ql £40-£50/hr Inside IR35 Visa sponsorship is not available. We're looking for an enthusiastic, diligent Golang Software Engineer … type safe programming language (Golang Preferred but other experience can be considered) Comfortable/experienced with back-end micro-service architecture and communication, specifically REST and asynchronous messaging services (e.g., Kafka, RabbitMQ etc.) Comfortable/experience within a Scrum framework working with as part of a team to deliver business ...

Senior Machine Learning Engineer

Hiring Organisation
SoftInWay, Inc
Location
City Of Bristol, England, United Kingdom
Workflows : Convert research code into robust, testable, and observable services. Implement CI/CD pipelines, automated testing, and reproducibility standards. Integration & Interoperability : Design REST/gRPC endpoints for cross-language communication. Ensure compatibility with C#/.NET services. Performance & Scalability : Optimize GPU/CPU utilization, batching strategies, and memory management. … understanding of packaging, type checking, and performance profiling. Architecture : Proven experience designing scalable ML systems for production. APIs : Proficiency in gRPC/Protobuf and REST for cross-language integration. MLOps : CI/CD pipelines, containerization (Docker/Kubernetes), model registries, reproducibility. Performance Optimization : GPU acceleration (CUDA/cuDNN), mixed precision ...

Senior SharePoint Developer and Administrator

Hiring Organisation
Ryder Reid Legal Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Online, including rewriting legacy web parts using SPFx. Build custom SPFx web parts, extensions and integrations using TypeScript, JavaScript, React, HTML/CSS, and REST APIs. Develop and maintain SharePoint Online intranet structures including architecture, navigation, branding, and content design. Integrate SharePoint with internal systems and third-party platforms using … development and administration. Strong background migrating SharePoint 2016 to SE/Online. Proven SPFx development skills. Proficiency in TypeScript, JavaScript, React, HTML5, CSS3. Strong REST API and Microsoft Graph integration experience. Solid C#/.NET framework experience. Deep knowledge of SharePoint on-prem administration, performance tuning, patching and troubleshooting. Experience ...

Senior Full Stack Engineer (AWS Microservices & Integrations)

Hiring Organisation
Narwhal Labs
Location
City Of Bristol, England, United Kingdom
office-based role and candidates must be located in or within commutable distance of Bristol. Responsibilities: Design and build microservices behind API Gateway (REST/HTTP), running on Lambda and containerised workloads on EC2/Fargate Model multi-tenant data across DynamoDB and RDS (PostgreSQL), using S3 for object storage … Vitest, Postman/Newman or Pact Strong backend development in Node.js/TypeScript (Go or Python also welcome) and solid API design skills across REST, with GraphQL a plus Strong data modelling skills including NoSQL vs relational trade-offs, partitioning, indexing and migration strategies Proven experience building and consuming webhook ...

Security Architect (DevSecOps)

Hiring Organisation
Pontoon Solutions
Location
London Area, United Kingdom
development lifecycle. • Be able to develop threat models, attack trees, and embed security by design in product engineering effort. • Good understanding of web technologies, REST APIs, micro services, modern application development, and mobile apps. Good understanding of software architecture, dev-sec-ops, and network security. • Experience in browser security … generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention. ...

Senior Back End Engineer (Node.js/Typescript)

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
Nottingham, Nottinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
with product, frontend and platform teams. Key responsibilities include: Designing, developing and maintaining scalable microservices using TypeScript and Node.js Building and supporting GraphQL and REST APIs for internal and external integrations Translating business requirements into robust technical solutions, architecture and documentation Championing code quality, automation, CI/CD and DevOps … best practices across the team YOUR SKILLS AND EXPERIENCE: You will bring strong capability in: TypeScript and Node.js development Microservices-based architectures GraphQL and REST API design Working with SQL and NoSQL databases Modern software development practices, including CI/CD, testing and automation THE BENEFITS: You will receive ...

Senior Sharepoint Developer

Hiring Organisation
Eutopia Solutions
Location
City of London, London, United Kingdom
parts • Design and maintain enterprise SharePoint Online intranet architecture, navigation, branding, and content structures • Integrate SharePoint with internal systems and third-party platforms using REST APIs and Microsoft Graph • Administer SharePoint SE and SharePoint Online environments, including permissions, service applications, site collections, and governance • Perform system updates, patching, upgrades … premise environments to modern SharePoint platforms • Strong expertise in SharePoint Framework (SPFx) development • Proficiency in TypeScript, JavaScript, React, HTML5, and CSS3 • Strong experience with REST APIs and Microsoft Graph integrations • Solid C# and .NET experience for backend and integration development • Experience administering SharePoint on-prem environments including patching, upgrades ...

Outsystems Developer

Hiring Organisation
Coltech
Location
City of London, London, United Kingdom
build responsive web and mobile applications using OutSystems (Service Studio) Develop workflow orchestration, process automation, and data models Implement integrations with enterprise systems using REST/SOAP APIs and external services Develop reusable components, UI patterns, and application logic Support testing, deployment, and environment promotion activities Troubleshoot performance issues … years’ experience in OutSystems development (Reactive or Traditional Web/Mobile) Strong understanding of low-code application architecture and delivery lifecycle Experience with integrations (REST, SOAP, APIs, OAuth, SQL) Good understanding of relational databases (SQL Server or Oracle) Knowledge of JavaScript and CSS for UI customisation Understanding of application security ...

OutSystems Developer (LowCode Orchestration)

Hiring Organisation
Infoplus Technologies UK Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £450 per day
experience in OutSystems development (Traditional or Reactive Web/Mobile). Strong understanding of low-code application architecture and lifecycle. Experience with integrations (REST, SOAP, OAuth, SQL, message queues). Basic understanding of CSS, JavaScript, and relational databases (SQL Server, Oracle). Knowledge of application security, performance tuning, and scalable … integrations, and reusable UI patterns and modules. Implement role-based access, security configurations, and performance optimisations. 2. Integration & API Management Integrate with backend systems (REST/SOAP APIs, databases, SAP, CRM). Build and maintain integrations ensuring reliability and security. Design asynchronous flows, event-driven architectures, and external data connectors. ...

ESRI Dashboard Developer

Hiring Organisation
Valcon Group UK
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 35 Annual
experience Experience working in an agile or project-based environment Qualifications & Experience Desirable Requirements Knowledge of web development technologies: HTML, CSS, JavaScript Familiarity with REST APIs and ArcGIS REST services Experience with BI tools such as Power BI or Tableau alongside ArcGIS workflows ESRI Technical Certification (eg EADA, EAAD ...

React / React Native Developer

Hiring Organisation
Rise Technical Recruitment
Location
Spalding, Lincolnshire, United Kingdom
Employment Type
Permanent
supporting, designing and developing the web through React. A primary focus will be implementing clean and scalable code using TypeScript and JavaScript, integrate REST APIs and native modules, while contributing to planning and code reviews, and ensure adherence to security standards using Git-based workflows and CI/CD. … mobile security standards and best practices. Use Git workflows and CI/CD in an agile environment. Integrate with third-party and custom REST APIs. The Person Previous commercial experience with React and React Native. Strong proficiency in TypeScript, JavaScript, and modern development practices. Experience with mobile state management (e.g. ...

Pega Architect

Hiring Organisation
Mastek
Location
Reading, England, United Kingdom
Product Owners Support Agile delivery (Scrum/Kanban) across sprints Troubleshoot complex technical issues 🔗 Integration & System Design Design integrations with external systems (APIs, REST/SOAP services) Work with enterprise architecture teams on system alignment ✅ Quality & Governance Enforce Pega standards, guardrails, and coding best practices Ensure high-quality deliverables through … Required Skills & Experience Strong hands-on experience with the Pega Platform Expertise in: Case Management Decisioning Workflows UI (sections, harnesses) Experience with integration technologies (REST, SOAP, messaging) Solid understanding of Agile delivery methods Strong problem-solving and leadership skills 🔹 Preferred Qualifications Pega certifications: CSA (Certified System Architect) CSSA (Senior System ...

C# / .Net Software Engineer (Freelance / contractor)

Hiring Organisation
Qim info
Location
London Area, United Kingdom
layer connecting multiple internal and external systems within a complex energy trading environment. 💼 Required technical skills: API & Integration Architecture: Strong expertise in API integration, REST API design and exposure, interface-driven architectures, integration-heavy environments, abstraction layers, system decoupling Backend Development: .NET Core, C#, API services, integration services Architeture & Platforms … profile: 🔹 Experience in Trading/Finance/Energy environments 🔹 Senior API/Integration expert with a strong architectural mindset, 🔹 Solid experience designing and implementing REST and legacy integrations, 🔹 Strong background in .NET Core and Microsoft Stack 🔹 Structured, rigorous 🔹 Excellent communication skills with technical stakeholders, 🔹 Comfortable working mainly with technical teams ...

Senior Backend Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
Derbyshire, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
involved in the following: Design, build, and maintain scalable backend services within a microservices architecture. Develop high-quality APIs using GraphQL and REST to support web and mobile applications. Work closely with product, frontend, and platform teams to deliver end-to-end solutions. Contribute to code quality, performance, and reliability … experience: Strong commercial experience with TypeScript and Node.js. Proven ability to build and maintain microservices-based systems. Experience designing and consuming GraphQL and REST APIs. Solid understanding of SQL and NoSQL databases. Good knowledge of the full software development lifecycle, including testing and automation. A collaborative mindset and passion ...

Senior Sharepoint Developer

Hiring Organisation
Larbey Evans
Location
City Of London, England, United Kingdom
Lead migration of SharePoint 2016 on-premise solutions to SE and Online Build SPFx web parts, extensions, and integrations using TypeScript, JavaScript, React, and REST APIs Manage updates, patches, and service packs to ensure stability, security, and compliance Administer service and web applications, site collections, permissions, authentication, and governance Provide … SharePoint 2016 on-premise Strong expertise in SPFx development and modern front-end technologies (TypeScript, JavaScript, React, HTML5, CSS3) Experience integrating SharePoint solutions using REST APIs, Microsoft Graph, C#, and .NET Hands-on management of on-prem SharePoint environments, including patching, upgrades, performance tuning, and troubleshooting Experience with Business Connectivity ...

Automation and AI Architect

Hiring Organisation
Intercity Technology Limited
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent
without compromising engineering discipline. Define and enforce clear policies for data handling, platform interoperability, and responsible use of intelligent tooling. Govern integration patterns using REST APIs, webhooks, and event-driven approaches. Provide constructive technical challenge to teams and stakeholders, calling out constraints that do not stand up to scrutiny. Technical … with Microsoft Power Platform , including Power Automate, Power Apps, and Dataverse. Automation and scripting experience using PowerShell and or Python. Experience working with C#, REST APIs, webhooks, and modern integration patterns. Proven ability to define and embed SDLC best practice across mixed professional and citizen development teams. Solid understanding ...

Front End Developer

Hiring Organisation
Rebel Recruitment
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
wise Youll be working with: React or Blazor JavaScript, HTML, CSS Accessibility standards (WCAG) It would help if youve had exposure to things like REST APIs, Azure DevOps, Git, or TDD , but the fundamentals matter more here. What theyre looking for Strong front-end fundamentals Comfortable working with APIs … consistently for years) 10% employer pension contribution 35-hour working week 1 full day a month dedicated to personal development (and its protected) The rest 25 days holiday + bank holidays + your birthday off Additional leave as your tenure grows Health and well-being support Discounts and salary sacrifice ...

Full Stack Java Developer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500/hour
scalable Java-based applications across the programme Build and maintain cloud-native solutions on AWS, applying well-architected principles throughout Design, develop, and test REST APIs to a high standard, ensuring performance, reliability, and security Use Postman for API testing, documentation, and validation across development and test environments Contribute … demonstrable senior-level Java development experience on complex, enterprise-scale programmes Solid AWS experience across core services including EC2, Lambda, S3, and RDS Proven REST API design and development experience, with strong understanding of API security and governance Proficient in Postman for API testing and documentation Experience working in Agile ...

Salesforce Developer

Hiring Organisation
Coltech
Location
England, United Kingdom
Design scalable solutions supporting both online and offline mobile usage. Integrations & Technical Delivery Build and support integrations between Salesforce and external enterprise systems using REST/SOAP APIs. Work with middleware and integration teams where required. Contribute to technical design discussions and solution architecture. Participate in code reviews and ensure … Strong knowledge of: Apex LWC Salesforce Flows Service Cloud Experience configuring: Scheduling & optimisation Dispatcher Console Work Orders & Service Appointments Experience with Salesforce integrations (REST/SOAP APIs) Experience working in Agile delivery environments Strong communication and stakeholder engagement skills Desirable Salesforce Field Service Consultant certification Experience with Experience Cloud Exposure ...

Senior Java Software Engineer

Hiring Organisation
Bentley Whitaker Search and Selection
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £85,000 per annum
Senior Java Software Engineer - Java Developer, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Senior Java Software Engineer role:- You will be joining a fast-growing, research-driven company building an artificial intelligence using … latest tech, generous annual leave and an amazing office with a balcony overlooking Notting Hill. Senior Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence +++++Applicants must have the right to work in the UK, no sponsorship is offered for this role++++++++ ...

Integration Automation Tester

Hiring Organisation
Mastek
Location
Reading, England, United Kingdom
Years Job Location: Reading/Leeds, UK Job Summary: The Integration Automation Tester will lead testing initiatives, focusing on API automation using REST and SOAP protocols. The role requires strong proficiency in Java and Oracle, with experience in middleware testing, including WebLogic deployment, data source validation, and JMS validation. … tester will be responsible for both functional and non-functional testing aspects. Key Responsibilities: Lead and manage API automation testing projects using POSTMAN and Rest Assured Framework. Develop and maintain Java-based test scripts for comprehensive automation coverage. Conduct middleware testing, ensuring robust deployment and validation processes. Perform functional ...

Data Integration Engineer

Hiring Organisation
LM RECRUITMENT SOLUTIONS LTD
Location
Ilkeston, Derbyshire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
design (well-modelled, scalable, governed, and optimised for analytics and AI consumption). You will work with integration technologies such as Boomi, MuleSoft, REST/SOAP APIs, EDI, and SFTP, and contribute directly to shaping and delivering our data strategy. This includes improving efficiency and reliability across a multi-tenancy … practice, and integration standards across the organisation. Key Responsibilities Design, develop, and maintain integrations using Boomi , MuleSoft , and API-driven patterns. Build robust, scalable REST and SOAP APIs , including reusable connectors and integration components. Deliver and manage integrations into Microsoft Fabric using OneLake architecture and medallion (bronze/silver/ ...

Java Backend Engineer

Hiring Organisation
Interact Consulting Limited
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
500-550 a day
team. It is a UK based, fully remote, outside IR35, initial 6-month contract. What you'll do: Build and maintain scalable microservices. Develop REST APIs using Java & Spring. Collaborate with cross-functional teams. Write clean, efficient, and testable code. What we're looking for: Strong Java (8+) and Spring … experience. Solid background in microservices architecture. Experience with REST APIs, Docker, and CI/CD. Knowledge of databases (SQL). Knowledge of Azure. Apply now to join a fast-moving, collaborative team. ...

AI Engineer

Hiring Organisation
Robert Walters
Location
Bolton, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £55,000 per annum
outputs Build and maintain automated workflows using tools such as n8n or similar platforms Integrate AI solutions with internal and external systems via REST APIs and webhooks Deploy AI solutions into production and monitor ongoing performance Continuously refine solutions based on feedback, metrics, and operational data Ensure solutions meet data … similar) Hands-on experience with prompt engineering and optimisation Strong understanding of large language models in production scenarios Practical experience integrating systems using REST APIs and webhooks Experience working with structured and semi-structured data Strong analytical and problem-solving skills Ability to communicate complex technical concepts clearly ...