1,301 to 1,325 of 2,572 REST Jobs

Desarrollador / a Junior Salesforce

Location
Weston-super-Mare, Somerset, United Kingdom
Salesforce data model, object relationships, security and sharing model . Experience developing and supporting integrations between Salesforce and third-party systems , including REST/SOAP APIs and common integration patterns. Experience using Git and version control , including branching and pull request workflows, and working with Salesforce DX . Experience with ...

Python Engineer

Location
Greater London, England, United Kingdom
including for cross-compilation Additional languages, particularly Golang or Rust, C or C++ Deep quality and test engineering Web or Flutter front-end experience REST and gRPC API experience SQL and NoSQL data store expertise Experience with public clouds or OpenStack Experience with Debian/Ubuntu packaging Experience with systems ...

Remote Software Engineering Team Lead

Hiring Organisation
Yapily
Location
Durham, United Kingdom
Boot, and Kubernetes (k8s). Design APIs: Champion an API-first mindset by designing, documenting, and ensuring the quality of robust, efficient HTTP/REST APIs for microservice communication (including using tools like OpenAPI/Swagger). Ensure System Health: Oversee and implement strategies for system scalability, resilience, and high ...

Remote Software Engineering Team Lead

Hiring Organisation
Yapily
Location
Fermanagh, United Kingdom
Boot, and Kubernetes (k8s). Design APIs: Champion an API-first mindset by designing, documenting, and ensuring the quality of robust, efficient HTTP/REST APIs for microservice communication (including using tools like OpenAPI/Swagger). Ensure System Health: Oversee and implement strategies for system scalability, resilience, and high ...

Remote Software Engineering Team Lead

Hiring Organisation
Yapily
Location
Shropshire, United Kingdom
Boot, and Kubernetes (k8s). Design APIs: Champion an API-first mindset by designing, documenting, and ensuring the quality of robust, efficient HTTP/REST APIs for microservice communication (including using tools like OpenAPI/Swagger). Ensure System Health: Oversee and implement strategies for system scalability, resilience, and high ...

Remote Software Engineering Team Lead

Hiring Organisation
Yapily
Location
Royton, England, United Kingdom
Boot, and Kubernetes (k8s). - Design APIs: Champion an API-first mindset by designing, documenting, and ensuring the quality of robust, efficient HTTP/REST APIs for microservice communication (including using tools like OpenAPI/Swagger). - Ensure System Health: Oversee and implement strategies for system scalability, resilience, and high ...

Security Analytics Engineer

Location
Greater London, England, United Kingdom
scripting and automation (Python, Java, R, or similar). Experience preparing data for, or supporting, AI-enabled analytics or machine learning workflows. Experience with REST APIs, common data formats (JSON, XML), and platform SDKs or APIs. Software engineering practices for analytics code: version control, testing, and CI. Experience with large ...

Client Support Analyst

Location
Greater London, England, United Kingdom
someone who only wants to pass tickets between clients and developers without attempting to understand the underlying issue. Useful, but not essential Familiarity with REST APIs, JSON, SQL or relational databases. Experience testing web applications and documenting reproducible defects. Knowledge of Java, Angular, TypeScript, Google Cloud Platform or similar technologies. ...

DEX & IT Operations Senior Manager

Location
Leeds, England, United Kingdom
with the ability to prioritise effectively in a fast-paced environment. Desirable: Experience with integration and automation technologies such as Power Automate, Workato, MuleSoft, REST APIs, or webhooks. Background working within professional services or other regulated environments. Experience consolidating and modernising complex technology estates. Familiarity with ITIL or similar service ...

Application Support Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
tooling in a professional setting Ability to read and modify application code in a compiled language preferred Required Skills/Abilities Strong understanding of REST APIs, Google Cloud Platform, and microservices architecture Proficiency in SQL and NoSQL databases (MSSQL, MongoDB, Postgres) Solid networking knowledge, including TCP/ ...

QA Tester - **Must have Active SC Clearance

Hiring Organisation
VIQU IT
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day
clear view of what to test first, where the risk sits in streaming data, and how to sequence and evidence it. 4. Modern architecture. REST, contract testing, schema validation. This is a greenfield build and legacy-only API experience will not translate. ALSO REQUIRED Automated regression testing in CI: repeatable ...

Sr. Escalation Engineer - Client Services

Hiring Organisation
Thales
Location
City, Belfast, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
GDPR) Diagnostic Tools Wireshark, tcpdump, curl/Postman, Fiddler, Splunk/Kibana basics, Database tracing tools Good to have Basic scripting (Bash, Python, PowerShell, REST API fundamentals, JSON/XML parsing) Automation mindset for repetitive diagnostics Basic Git familiarity Troubleshooting & Escalation Skills Analytical & Troubleshooting skills Root Cause Analysis (RCA) Complex ...

Software Engineer, Agentic AI

Location
Cambridge, England, United Kingdom
orchestration patterns. Experience building and maintaining RAG pipelines, agent frameworks, MCP servers or equivalent function-calling architectures, and conversational interfaces. Familiarity with cloud platforms, REST APIs, containerization, and modern deployment environments. Experience with observability, evaluation, experimentation, and feedback loops for AI systems in production. Ability to work independently, manage ambiguity ...

Senior Forward Deployed Engineer – Key Accounts (AI Solutions)

Location
Chesham, England, United Kingdom
technical authority, operating with autonomy and credibility in front of senior (VP/CxO) stakeholders. Strong command of APIs, webhooks, and data structures (JSON, REST, GraphQL) — able to design and troubleshoot integrations confidently. Even better if you have experience with MCP Servers. Hands‐on experience with low‐code orchestration tools ...

Full Stack Engineer | Java, Spring Boot and Angular

Location
Tipton, England, United Kingdom
Angular component architecture, dependency injection, routing, reusable components and state management. Strong knowledge of RESTful API design and implementation. Experience integrating applications using REST APIs, GraphQL, JSON and OAuth. Experience with secure authentication, authorization and token-handling mechanisms. Hands-on experience with SQL and NoSQL databases. Experience working with Kafka … side applications, APIs and Angular frontend applications. Build clean, reusable, modular, scalable and maintainable code using Java, Spring Boot, Angular and TypeScript. Develop secure REST APIs and GraphQL services for enterprise applications. Integrate frontend applications with backend services using REST, GraphQL, JSON and OAuth. Design reusable Angular components and scalable ...

Full Stack Software Engineer

Hiring Organisation
Acacia Green Technologies
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
full stack engineer whose main strength is backend development. You will take primary responsibility for Node.js and JavaScript services, PostgreSQL data models, REST APIs and a growing microservices estate, while contributing to React.js interfaces when a feature requires end-to-end ownership. The role sits close to live hotel deployments … production-ready documentation. Own PostgreSQL schema design, SQL queries, migrations, data integrity and performance for operational and time-sensitive product workloads. Develop well-structured REST APIs and event-driven integrations between Acacia applications, hotel systems, sensors, gateways and third-party platforms. Evolve our microservices architecture pragmatically, balancing service independence with ...

Full Stack Software Engineer

Hiring Organisation
Acacia Green Technologies
Location
EC2M, Broad Street, Greater London, United Kingdom
Employment Type
Permanent
full stack engineer whose main strength is backend development. You will take primary responsibility for Node.js and JavaScript services, PostgreSQL data models, REST APIs and a growing microservices estate, while contributing to React.js interfaces when a feature requires end-to-end ownership. The role sits close to live hotel deployments … production-ready documentation. Own PostgreSQL schema design, SQL queries, migrations, data integrity and performance for operational and time-sensitive product workloads. Develop well-structured REST APIs and event-driven integrations between Acacia applications, hotel systems, sensors, gateways and third-party platforms. Evolve our microservices architecture pragmatically, balancing service independence with ...

Senior Full Stack/Native Cloud Engineer (Vice President)

Hiring Organisation
Jefferies Financial Group
Location
London, UK
Employment Type
Full-time
technologies. Provide deep technical expertise in distributed systems, data architecture, and scalable platform design. Design, implement, and maintain Java-based APIs and microservices, including REST, OpenAPI, GraphQL, and gRPC services. Work with modern data technologies including PostgreSQL, MongoDB, and Amazon Redshift. Deliver reliable, performant, and responsive user interfaces aligned … scalable, and resilient systems. Hands-on experience with Kafka or similar event streaming technologies. Strong understanding of API design and service integration patterns, including REST, OpenAPI, GraphQL, and gRPC. Practical experience with relational and NoSQL data platforms, including PostgreSQL, MongoDB, and Redshift. Frontend development experience using Angular or React, with ...

Python Developer

Location
Glasgow, Scotland, United Kingdom
development, APIs, and microservices within an Agile environment. Key Responsibilities Build and enhance full-stack applications using Python and React.js Develop and integrate REST APIs and microservices Create responsive, high-quality frontend experiences Work closely with Architecture, Product, QA and DevOps teams Improve application performance, reliability and security Contribute … production issues Follow Agile/Scrum delivery practices 5+ years of software development experience Strong Python development with FastAPI, Flask or Django Experience with REST, microservices and OOP Good knowledge of SQL/database design Experience with PostgreSQL, MySQL or SQL Server ; MongoDB is a plus Familiarity with AWS, Azure ...

Senior Product Engineer (AI & Full Stack)

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
London, United Kingdom
Employment Type
Permanent
Salary
£75,000
user experience (UX) and user interface (UI) principles, with the ability to build intuitive, accessible and engaging products. Experience designing scalable APIs using REST and/or GraphQL. Strong understanding of enterprise integrations and distributed systems. Experience implementing secure authentication using OAuth 2.0 , OpenID Connect (OIDC) or similar technologies. Commercial … Event-Driven Architecture CI/CD Infrastructure as Code Accessibility (WCAG) Learning technology integrations (LTI, SCORM or xAPI) Technology Stack React TypeScript Node.js GraphQL REST APIs OAuth 2.0 OpenID Connect (OIDC) AWS/Azure Docker Git CI/CD AI-assisted Development Tools (GitHub Copilot, Claude Code, Cursor) Large Language ...

Senior Product Engineer (AI & Full Stack)

Location
United Kingdom
user experience (UX) and user interface (UI) principles, with the ability to build intuitive, accessible and engaging products. Experience designing scalable APIs using REST and/or GraphQL. Strong understanding of enterprise integrations and distributed systems. Experience implementing secure authentication using OAuth 2.0 , OpenID Connect (OIDC) or similar technologies. Commercial … Event-Driven Architecture CI/CD Infrastructure as Code Accessibility (WCAG) Learning technology integrations (LTI, SCORM or xAPI) Technology Stack React TypeScript Node.js GraphQL REST APIs OAuth 2.0 OpenID Connect (OIDC) AWS/Azure Docker Git CI/CD AI-assisted Development Tools (GitHub Copilot, Claude Code, Cursor) Large Language ...

SC Cleared Senior Pega Developer

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£506/day £506 per day (inside IR35)
case types, stages, workflows, processes, business rules and decision rules. Develop reusable components aligned to established Pega architecture and design patterns. Implement integrations using REST/SOAP services, APIs, connectors and data pages. Develop user interfaces using Pega Constellation and related UX capabilities. Collaborate with Lead System Architects and Solution … case management, workflows and application development. Experience with case types, stages, processes, activities, data objects, data pages and decision rules. Experience developing and consuming REST APIs and integration services. Strong understanding of Pega architecture and reusable design patterns. Experience with Pega security, including roles, privileges and access groups. Experience troubleshooting ...

Senior Quality Engineer

Location
Belfast, Northern Ireland, United Kingdom
approach to identify edge cases, usability issues, and defects. Perform hands‐on API and integration testing using automation tools such as Postman and REST Assured. Conduct hands‐on cross browser and mobile app testing across devices and platforms, utilising cloud‐based testing services and device farms. Evaluate and implement emerging … JavaScript, or TypeScript with tools such as Selenium WebDriver, Cypress, Playwright, XCUITest, Espresso and Appium. Strong experience with API testing tools and frameworks (Postman, REST Assured, SoapUI). Hands‐on experience with AI testing platforms such as Claude Code, Copilot, Cursor, or similar intelligent testing solutions. Proven track record ...

Senior Software Engineer - C#/.NET & REST APIs

Location
Uxbridge, England, United Kingdom
Redline Group in Uxbridge is seeking a Senior Software Engineer to develop robust C#/.NET applications and RESTful APIs for next‐gen instrumentation products. You will join a motivated engineering team and contribute to ...

Hybrid .NET Backend Engineer – REST & Microservices

Location
Greater London, England, United Kingdom
Just Eat Takeaway.com is looking for a skilled Backend Software Engineer to join our Customer Order Platform team in London. In this hybrid role, you’ll work 3 days in the office and 2 days ...