Permanent REST Jobs in London

1 to 25 of 369 Permanent REST Jobs in London

Full Stack Java Developer for Client Team

London, United Kingdom
Hybrid / WFH Options
Validsoft
AWS, GCP or Azure. Web technologies including HTML, CSS, advanced Javascript, Web Services. Continuous Integration/Continuous Delivery. BDD, pair programming. Agile development methods such as Scrum or Kanban. REST API development and/or consumption. Relational databases MySQL, SQL Server, Postgres, etc. Experience in frontend work, eg. Java Script/Type Script, Angular, etc. What else you could bring More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Staff and Team Lead, Onyx Application Engineering

London, United Kingdom
Hybrid / WFH Options
GlaxoSmithKline
of working (e.g. git/GitHub, DevOps tools, metrics/monitoring, ) Proficiency in front-end technologies: JavaScript, Typescript, React.js, Angular.js or similar. API development using technologies and standards like REST/GraphQL/gRPC or similar. Experience in an open-source web framework preferably implemented in Python, Java, Scala, or similar. Experience with Authentication & Authorisation Mechanisms e.g OAuth2 Application experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Engineering Technical Lead

Wembley, London, United Kingdom
Hybrid / WFH Options
Football Association Limited
change tracking/CDC. Experience with Dependency Injection & IoC frameworks. Experience with ORM Frameworks: Entity Framework, Dapper. Experience in building and consuming web services using micro-services architecture using REST APIs. Experience in keeping multiple applications in synch - real time/batch processing. Experience of leading teams of technical specialists through to successful delivery. Experience of providing technical leadership and More ❯
Employment Type: Permanent
Posted:

UI Architect

London, United Kingdom
CENTRIC SOFTWARE
designing and maintaining cloud-native SaaS platforms. Hands-on with component libraries, monorepo tools (e.g., Nx, Turborepo), and state management (MobX, Zustand, Redux, or React Query). Familiar with REST, GraphQL, and real-time data streaming (e.g., WebSockets, SSE). Experience building for multi-tenant, micro-frontend architectures (preferred). Nice to Have Familiarity with accessibility standards (WCAG 2.1) and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Back-end Engineer

London, United Kingdom
Story Terrace Inc
solutions Strong communication skills with the ability to articulate complex technical concepts to non-technical stakeholders Technologies Back-end: Java 21, Spring (Boot 3+/Cloud/Data/REST), Postgres/Jooq/Flyway, JUnit/TestContainers/Mockito, AWS (EC2, RDS, k8s, Cognito, S3) Front-end: TypeScript, React, and Tailwind CSS More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Technology & AI Projects Manager

London Area, United Kingdom
Hybrid / WFH Options
Willis Global
Computer Science, Information Systems, Engineering, or related field (Master’s preferred). Certifications: PMP, PRINCE2, or Agile/Scrum (CSM/PSM) strongly preferred. Integration: EDI (ANSI X12, EDIFACT), REST/GraphQL APIs, OAuth2, Webhooks Languages & Frameworks: JavaScript/TypeScript (Node.js, React), Python (for data/AI), SQL Cloud & DevOps: AWS/Azure/GCP services, CI/CD pipelines More ❯
Posted:

Technology & AI Projects Manager

City of London, London, United Kingdom
Hybrid / WFH Options
Willis Global
Computer Science, Information Systems, Engineering, or related field (Master’s preferred). Certifications: PMP, PRINCE2, or Agile/Scrum (CSM/PSM) strongly preferred. Integration: EDI (ANSI X12, EDIFACT), REST/GraphQL APIs, OAuth2, Webhooks Languages & Frameworks: JavaScript/TypeScript (Node.js, React), Python (for data/AI), SQL Cloud & DevOps: AWS/Azure/GCP services, CI/CD pipelines More ❯
Posted:

Java Developer

Greater London, England, United Kingdom
Version 1
to support continuous integration and delivery. Some experience with Apache Kafka, including working on distributed messaging systems for real-time data processing and managing Kafka-based solutions. Experience developing REST-based APIs. Some experience with SQL is required, and exposure to SQL stored procedures and indexes is preferred. Knowledge with DevOps principles and CI/CD tools (such as Jenkins More ❯
Posted:

Integration Developer (JR101621)

London, United Kingdom
Clarion Events Ltd
and management of integrations. Version Control Expertise: Proficient in using version and source control systems like Git to manage codebases effectively. API and Data Format Understanding: Strong knowledge of REST APIs, SOAP, JSON, XML, and other data exchange formats. Proactive and Detail-Oriented: Highly motivated with a proactive approach, strong attention to detail, and the ability to self-review integration More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Software Engineer

London, South East, England, United Kingdom
Marshall Wolfe
on both frontend (React) and backend (Node.js, Go) components Improve DevOps practices, CI/CD pipelines, and cloud infrastructure (AWS) Contribute to intuitive user interfaces and robust APIs (GraphQL, REST, gRPC) Help drive integration with LLMs and hybrid AI systems Participate in architecture discussions, code reviews, and agile ceremonies What We’re Looking For: Strong experience in full-stack development More ❯
Employment Type: Full-Time
Salary: £50,000 - £60,000 per annum
Posted:

Full Stack Developer (Angular)

Bromley, London, United Kingdom
Bromcom Computers Plc
years hands-on experience in Object Oriented programming using C# 3+ years hands-on experience in .Net Framework 4.6.2 or .NET CORE 3+ years hands-on experience in developing REST services using Web API 3+ years hands-on experience to working with ASP.Net MVC & MS SQL Server Good hands-on experience to working with Front-end development using Angular 12+ More ❯
Employment Type: Permanent
Posted:

Full Stack Engineer

London, United Kingdom
Hybrid / WFH Options
Route Reports
compliance with data-protection standards What We're Looking For 3+ years' experience in full-stack web development (React, Vue, or Angular; Node.js, Django, or similar) Strong understanding of REST APIs and relational (eg. Postgres) databases. Familiarity with cloud platforms (AWS, Azure, or GCP) and containerisation (Docker, Kubernetes) Excellent communication skills and a proactive, problem-solving mindset Have built web More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Dot Net Software Developer

West London, Greater London
Nexus Jobs Limited
Puppet, Selenium, etc.) Familiar with Azure cloud services & setting up/managing resources/deploying apps Experience in implementing business process automation Capable of working with (and developing) multiple (REST) APIs documented with e.g. OpenAPI/swagger PowerBI, PowerQuery, Dax & M Other API messaging formats e.g. JSON, XML, SOAP Experience of structured testing and quality assurance approaches (e.g. Test Driven More ❯
Employment Type: Permanent
Posted:

Full Stack .Net Software Developer

West London, Greater London
Nexus Jobs Limited
Puppet, Selenium, etc.) Familiar with Azure cloud services & setting up/managing resources/deploying apps Experience in implementing business process automation Capable of working with (and developing) multiple (REST) APIs documented with e.g. OpenAPI/swagger PowerBI, PowerQuery, Dax & M Other API messaging formats e.g. JSON, XML, SOAP Experience of structured testing and quality assurance approaches (e.g. Test Driven More ❯
Employment Type: Permanent
Posted:

Front and Backend C# Dot Net Javascript Software Developer with Umbraco

West London, Greater London
Nexus Jobs Limited
Puppet, Selenium, etc.) Familiar with Azure cloud services & setting up/managing resources/deploying apps Experience in implementing business process automation Capable of working with (and developing) multiple (REST) APIs documented with e.g. OpenAPI/swagger PowerBI, PowerQuery, Dax & M Other API messaging formats e.g. JSON, XML, SOAP Experience of structured testing and quality assurance approaches (e.g. Test Driven More ❯
Employment Type: Permanent
Posted:

Senior Software Development Engineer In Test

London, United Kingdom
GenTrack
and OOP principles. Advanced hands-on knowledge of Selenium WebDriver , Cucumber , and BDD methodologies. Strong understanding of CI/CD practices , with experience using Jenkins . Experience in testing REST/SOAP web services , APIs, and microservices. Proven ability to conduct performance testing using JMeter . Proficiency with AWS infrastructure and enterprise test environments. Familiarity with the Utilities industry . More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer - Visual Quality

London, United Kingdom
V-Nova Ltd
ups. Qualifications Significant experience developing with Python, especially in high-performance, multithreaded applications using Flask, SQL, and databases. Experience using Linux as a development platform. Hands-on experience with REST, HTTP, JSON, and Docker. Excellent communication skills, with the ability to provide clear progress updates and document work effectively. Experience working in Agile environments using Scrum or Kanban and tools More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer (London)

London, UK
Royal Mail Group
CD, clean code). Collaborate across disciplines to deliver impactful solutions. Guide third-party development to meet technical standards. What You'll Bring Strong backend engineering experience (Java 11+, REST APIs, SQL). Experience with high-throughput or distributed systems. Passion for clean, maintainable code and infrastructure as code. Excellent communication and mentoring skills. Bonus Points For Spring Boot, Go More ❯
Employment Type: Full-time
Posted:

Principal Software Engineer - Technology Rates & FX

London, United Kingdom
TP ICAP Group
Agile environment Demonstrable experience designing, developing and maintaining distributed, event-driven, cloud-native systems Expert in the latest versions of .NET Framework and .NET Core (C#) Experience in API (REST, GraphQL) design and development Experience in relational database design and optimization (MSSQL, MySQL, etc.) Experience in the deployment and management of cloud (AWS, Azure, etc.) assets Demonstrable understanding of the More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Software Engineer

London, United Kingdom
Hybrid / WFH Options
Lloyds Bank plc
building applications in Java, using a broad set of tools, techniques, and platforms, with a focus on proving it works and does the right thing. Experience working with Spring, REST APIs, JSON and Microservices. Good understanding of architecture and cloud native principles Familiar with test driven development approach Experience working with container environments in particular Docker, Kubernetes and Helm (e.g. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

DevOps AWS Consultant

London, United Kingdom
Hybrid / WFH Options
NTT DATA, Inc
a DevOps AWS Consultant on a hybrid basis (Sheffield or London) for our growing team in the UK. Responsibilities Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client usingPython,GoLang, Docker and Cloud-Native services. Implement and manage database schema changes usingLiquibase, ensuring alignment with compliance and audit standards. Build and maintainCI More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer (London)

London, UK
Hybrid / WFH Options
Prisma
web applications, using TypeScript, NodeJs, React, HTML & CSS. Experience in database and cloud technologies, including SQL/NoSQL databases like PostgreSQL, cloud services like Cloudflare & AWS, APIs (GraphQL/REST), familiarity with developer tooling is a plus. High standards for quality, ensuring excellence while balancing pragmatism, purpose, and a strong sense of agencytaking ownership, making thoughtful trade-offs, and driving More ❯
Employment Type: Full-time
Posted:

Lead FX Trading Platform Specialist (DIR)

London, United Kingdom
SGS Société Générale de Surveillance SA
service/event driven architecture (latency budget, throughput, HA & DR, observability). Own protocol & data model standards for client to venue and internal flows (eg FIX 4.4/5.0, REST/gRPC, protobuf, JSON) Hands on Engineering Lead development of price engine, negotiation logic and execution gateways in the target architecture Implement ultra low latency market data handlers and multicast More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Front-End Developer

London, United Kingdom
Hybrid / WFH Options
VE3
management libraries like Zustand, Recoil, or Redux Toolkit). In-depth understanding of HTML5, CSS3 (includingSCSS, CSS Modules, or Styled Components), and responsive design techniques . Experience working with REST APIs and/or GraphQL ,including query optimisation and effective state synchronisation. Proficiency with front-end build tools such as Webpack,Vite, or Parcel and familiarity with modern development pipelines. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Engineer

London, United Kingdom
Picture More Ltd
a broad tech stack including: C#, JavaScript, Python Azure, Terraform, Kubernetes, Docker CI/CD pipelines (Azure DevOps, GitHub Actions, etc.) Front End frameworks (React, Vue, ASP.NET) API design (REST, JSON, XML) Database experience: SQL, NoSQL, vector databases AI integration: OpenAI, Gemini, and other LLMs Strong knowledge of agile, lean, and DevOps best practices.A collaborative, commercial, and solutions-oriented mindset More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
REST
London
10th Percentile
£53,750
25th Percentile
£64,688
Median
£75,000
75th Percentile
£87,500
90th Percentile
£107,700