1 to 25 of 93 RESTful Jobs in London

Senior Developer

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
APIs, or platforms into software solutions. Domain experience in Recruitment Technology, HRTech, or closely related fields is a must. Proficient in software architecture, microservices, RESTful API design, and cloud-native development (AWS, Azure, or GCP preferred). Experience with CI/CD pipelines, automated testing, and DevOps practices. Solid grasp ...

Javascript Developer

Hiring Organisation
Sanderson
Location
City of London, London, United Kingdom
Lambda functions Experience working with Contentful CMS (content modelling, delivery APIs) Familiarity with infrastructure as code Testing experience with Jest and Playwright Understanding of RESTful APIs and microservices principles Comfortable working in an Agile, DevOps environment Proficient with Git and CI/CD pipelines (GitLab preferred) Solid knowledge of HTML ...

Senior Software Engineer

Hiring Organisation
Gravitas Recruitment Group (Global) Ltd
Location
City of London, London, United Kingdom
blockers and solve systemic issues. Requirements Proven senior-level Java experience (Java 11+), including modern language features and best practices. Strong Spring Boot expertise (RESTful APIs, security, configuration, testing). Essential: banking or financial services background within a regulated environment. Cloud-native experience (e.g., AWS/Azure/GCP), containerisation ...

Java Software Engineer

Hiring Organisation
Gravitas Recruitment Group (Global) Ltd
Location
City of London, London, United Kingdom
blockers and solve systemic issues. Requirements Proven senior-level Java experience (Java 11+), including modern language features and best practices. Strong Spring Boot expertise (RESTful APIs, security, configuration, testing). Essential: scale up banking or financial services background within a regulated environment. Cloud-native experience (e.g., AWS/Azure/ ...

Web Developer - C#

Hiring Organisation
CV Screen Ltd
Location
Erith, Kent, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
Solid front-end skills including HTML5, CSS3 and JavaScript/TypeScript, plus a modern framework (e.g. React, Angular or Blazor) Experience with SQL databases, RESTful APIs and software testing practices Salary & Benefits Salary of £45,000 – £50,000 plus 25 days holiday plus bank holidays, hybrid working, pension scheme, private ...

Senior Developer

Hiring Organisation
Precise Placements
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £90,000 per annum
systems; •implement and maintain CI/CD pipelines, source control (Azure DevOps preferred), and automated testing; •integrate with APIs and third-party services using RESTful APIs, JSON, and XML-based protocols; •develop and maintain components using .NET technologies such as C# and ASP.NET where required; •establish and support the infrastructure ...

Web Developer - C

Hiring Organisation
CV Screen Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 - 50,000 Annual
Solid front-end skills including HTML5, CSS3 and JavaScript/TypeScript, plus a modern framework (e.g. React, Angular or Blazor) Experience with SQL databases, RESTful APIs and software testing practices Salary & Benefits Salary of £45,000 £50,000 plus 25 days holiday plus bank holidays, hybrid working, pension scheme, private ...

Web Developer - C

Hiring Organisation
CV Screen Ltd
Location
Belvedere, Colyers, Greater London, United Kingdom
Employment Type
Permanent
Salary
£45000 - £50000/annum Benefits
Solid front-end skills including HTML5, CSS3 and JavaScript/TypeScript, plus a modern framework (e.g. React, Angular or Blazor) Experience with SQL databases, RESTful APIs and software testing practices Salary & Benefits Salary of £45,000 – £50,000 plus 25 days holiday plus bank holidays, hybrid working, pension scheme, private ...

Lead Full-Stack Java Developer - SC Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £95,000 per annum
. Strong Java and Spring Boot development experience. Proven experience delivering full-stack solutions (e.g. React, Angular, or Vue). Good knowledge of microservices , RESTful APIs , and containerisation (Docker/Kubernetes). Experience working with AWS or other cloud environments. Understanding of secure software design and deployment in government ...

Senior Engineer

Hiring Organisation
&Dine
Location
London, England, United Kingdom
reviews, and collaboration Back-end Experience with some of the following, or a strong willingness to learn: Node.js – building scalable, maintainable services APIs – RESTful design (GraphQL a plus), authentication, validation, rate limiting Databases – PostgreSQL/MySQL, schema design, indexing, query optimisation ORMs – Sequelize or similar (migrations, associations, transactions) Business logic ...

Senior Backend Developer

Hiring Organisation
Skilliantech Ltd
Location
London, United Kingdom
Employment Type
Contract
maintain scalable backend services using Java and Spring Boot Build and support microservices-based architectures with high availability and performance Develop and consume RESTful APIs and event-driven services Collaborate with frontend, DevOps, and product teams to deliver end-to-end solutions Participate in design discussions, code reviews, and technical ...

Senior Backend Developer

Hiring Organisation
Skilliantech Ltd
Location
London, UK
Employment Type
Full-time
Design, develop, and maintain scalable backend servicesusing Java and Spring Boot Build and support microservices-based architectureswith high availability and performance Develop and consume RESTful APIsand event-driven services Collaborate with frontend, DevOps, and product teams to deliver end-to-end solutions Participate in design discussions, code reviews, and technical ...

Full Stack Software Developer

Hiring Organisation
Genesis Code
Location
City of London, London, United Kingdom
using TypeScript Build high-quality, responsive, and visually polished UI components Translate UI/UX designs into functional and engaging interfaces Design and develop RESTful APIs and backend services Implement and maintain CI/CD pipelines for efficient and reliable deployments Work across both frontend and backend systems to deliver ...

Senior React Engineer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Design, build, and maintain a React/TypeScript trading UI, delivering real-time streaming data and a seamless user experience Integrate the UI with RESTful and streaming APIs (built in Rust and Python) Own performance improvements across dashboards, widgets, and live data visualisation Collaborate with QA and DevOps to enhance ...

Senior Golang Developer - Kubernetes - Financial Services

Hiring Organisation
Rothstein Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 120,000 - 160,000 Annual
systems and services, particularly in areas such as trading platforms, investment management, and risk analytics. Experience in building microservices architectures and working with APIs (RESTful, gRPC, etc.) to integrate various systems. Strong knowledge of containerization (Docker) and continuous integration/deployment (CI/CD) practices. Experience with database systems (relational ...

Principal Software Engineer

Hiring Organisation
Verifone
Location
City of London, London, United Kingdom
architecture and cross‐service design decisions Strong understanding of security, authentication flows, and data protection in distributed systems API & Data Design and governance of RESTful APIs, JSON, and HTTP standards API versioning and backward‐compatibility strategies MongoDB/NoSQL expertise, including: Data modeling Indexing strategies Performance optimization Advanced experience with ...

Python Full Stack Developer

Hiring Organisation
Syntax Consultancy Limited
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£550 Per Day Inside IR35
Experience with Azure cloud platform and services. Azure Databricks. containerisation (Docker) and orchestration (Kubernetes). CI/CD pipelines. Technical Environment: Full Stack, Python, RESTful APIs, Git, SQL Server database experience, including working with databases (SQL and NoSQL). Demonstratable experience of reverse engineering existing codebases. Experience with testing frameworks ...

Senior React Developer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £140,000 per annum
Design, build, and maintain a React/TypeScript trading UI, delivering real-time streaming data and a seamless user experience Integrate the UI with RESTful and streaming APIs (built in Rust and Python) Own performance improvements across dashboards, widgets, and live data visualisation Collaborate with QA and DevOps to enhance ...

Full Stack Developer

Hiring Organisation
Coltech
Location
City of London, London, United Kingdom
speed, and overall platform performance. Key Responsibilities Design, develop, and maintain scalable full stack applications using modern programming languages and frameworks. Develop and integrate RESTful APIs and microservices to support distributed cloud architectures. Work within cloud-native environments , primarily using Google Cloud Platform (GCP) . Collaborate with DevOps teams ...

Python Developer

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
/NoSQL databases. Proven experience working in fast-paced environments, ideally within trading, financial services, or high-frequency environments. Proficiency in developing RESTful APIs, microservices, and working with cloud-based architectures (AWS, GCP, or similar). Expertise in testing frameworks, CI/CD, and containerization technologies such as Docker ...

Senior SharePoint Developer & Administrator

Hiring Organisation
Ryder Reid Legal
Location
London Area, United Kingdom
APIs. Develop and maintain SharePoint Online intranet structures including architecture, navigation, branding, and content design. Integrate SharePoint with internal systems and thirdparty platforms using RESTful APIs and Microsoft Graph. SharePoint Administration & Operations Administer both SharePoint SE (onprem) and SharePoint Online environments. Manage updates, cumulative patches and platform maintenance. Monitor performance ...

Fullstack Engineer

Hiring Organisation
Pontoon
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
enjoys building systems that genuinely influence business outcomes. You bring strong Java expertise, familiarity with Spring/Spring Boot , and a solid understanding of RESTful APIs and microservices . Experience with Kafka , SQL , and frontend technologies like Angular or React will help you shine. And if you have exposure ...

Senior Software Engineer (React Native) - UCX

Hiring Organisation
Hargreaves Lansdown
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
maintain a high-quality React Native application. Architect scalable mobile solutions that meet the demands of financial applications (security, performance, reliability). Integrate with RESTful and GraphQL APIs and collaborate closely with backend teams. Optimize app performance, including memory usage, load times, and smooth UI interactions. Implement high-security standards ...

Senior Full Stack Developer (Node.js, AWS, React)

Hiring Organisation
Radioplayer
Location
London Area, United Kingdom
traffic system that handles billions of API calls, requiring strong attention to scalability, performance, and reliability. Key Responsibilities Design, develop, and maintain microservices and RESTful APIs (Node.js + AWS Lambda) Write and manage infrastructure-as-code Handle data and queries using relational databases (e.g., PostgreSQL) Collaborate in designing and developing ...

Senior Java Developer (Low-Latency Payments Systems)

Hiring Organisation
RE Partners
Location
City of London, London, United Kingdom
hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high-throughput backend systems using Core Java and SpringBoot. Build and maintain RESTful APIs and microservices that power secure payment workflows. Work with XML-based messaging standards and protocols commonly used in financial transactions. Deploy, monitor, and scale applications ...