1 to 25 of 82 RESTful Jobs in London

Senior Developer

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£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 ...

Full Stack Engineer

Hiring Organisation
FryerMiles Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
enhance backend services using frameworks including .NET, Flask, and Django Develop user friendly front end interfaces with React, Angular or similar Create and maintain RESTful API’s, microservices, and integrations with third party systems Troubleshoot and debug issues across the stack Participate in code reviews Requirements: Experience working ...

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 ...

Java Developer, Contract, Inside IR35

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day
Troubleshoot and resolve performance and production issues Required Experience * Strong experience in Java development (Java 8+/Spring Boot) * Proven experience building microservices and RESTful APIs * Experience working in Agile delivery environments * Strong understanding of software engineering best practices * Experience with CI/CD pipelines and version control (e.g. ...

Full Stack Developer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £72000/annum
patterns to support high-performance server-side logic. UI Development: Construction of responsive interfaces and layouts using modern JavaScript frameworks. API & Microservices: Development of RESTful services utilizing the Java Spring Boot ecosystem. Data Management: Design and maintenance of SQL/NoSQL databases and ORM integration. Quality Control: Execution of unit ...

Full Stack Developer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £72,000 per annum
patterns to support high-performance server-side logic. UI Development: Construction of responsive interfaces and layouts using modern JavaScript frameworks. API & Microservices: Development of RESTful services utilizing the Java Spring Boot ecosystem. Data Management: Design and maintenance of SQL/NoSQL databases and ORM integration. Quality Control: Execution of unit ...

Senior Java Software Engineer - Build the Future of Banking

Hiring Organisation
Morson Edge
Location
City of London, London, United Kingdom
Employment Type
Permanent
Bitbucket to drive clarity and execution What You Bring Strong expertise in Java and backend/server-side engineering Proven experience building microservices and RESTful APIs Solid understanding of SQL databases (DB2, SQL Server, or PostgreSQL) A track record of delivering complex, high-impact systems Experience working in Agile, delivery ...

Lead Backend Software Engineer

Hiring Organisation
mkodo
Location
London Area, United Kingdom
with cloud environments (AWS preferred) and container orchestration (Kubernetes). Experience with event-driven architectures and messaging platforms such as Kafka. Strong understanding of RESTful APIs, microservices, and distributed system design. Knowledge of SQL and NoSQL databases. Experience with CI/CD pipelines, automated testing, and modern deployment practices. Skilled ...

SC Cleared - Fullstack Developer

Hiring Organisation
IO Associates
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65,000
Design/develop scalable full-stack AWS solutions (Lambda, DynamoDB, SQS). p]:pt-0 [&>p]:mb-2 [&>p]:my-0'> Build RESTful APIs (Python frameworks) + responsive React/TypeScript UIs. p]:pt-0 [&>p]:mb-2 [&>p]:my-0'> Support CI/CD pipelines, automated testing, Git, code ...

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 ...

SC Cleared Fullstack Developer

Hiring Organisation
IO Associates
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 - 65,000 Annual
brilliant opportunity for someone with 3 to 5 years of experience looking to master AWS serverless architecture. The Tech Stack Back End: Python (RESTful APIs, Microservices) Front End: React, TypeScript Cloud: AWS (Lambda, DynamoDB, SQS) Ops: CI/CD pipelines, Automated Testing, Git What You'll Do Design and maintain ...

Python Full Stack Developer

Hiring Organisation
Syntax Consultancy Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550/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 ...

Backend Software Engineer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500.0 - £550.0 per day + up to £550pd (inside IR35)
microservices programme. Key Requirements: Proven experience working as a Java Software Engineer on large microservice architectures Active Security Clearance (SC) Strong capability building scalable RESTful APIs and backend services in Java (Spring Boot): Postgres (or other relational SQL databases) with solid understanding of schema design and SQL Docker: Confident containerising ...

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 and Administrator

Hiring Organisation
Ryder Reid Legal Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Develop and maintain SharePoint Online intranet structures including architecture, navigation, branding, and content design. Integrate SharePoint with internal systems and third-party platforms using RESTful APIs and Microsoft Graph. SharePoint Administration & Operations Administer both SharePoint SE (on-prem) and SharePoint Online environments. Manage updates, cumulative patches and platform maintenance. Monitor ...

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

Hiring Organisation
Radioplayer
Location
City of London, London, 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 ...

Senior Quality Assurance Automation Engineer

Hiring Organisation
Apexon
Location
Greater London, England, United Kingdom
efficiency and maintainability. Ensure high automation coverage across UI, API, and integration layers . API and Integration Testing Develop and maintain automated tests for RESTful APIs, GraphQL services, and distributed microservices . Validate service contracts, data integrity, and system interactions across complex integrations. Utilize tools such as Postman, SuperTest ...

Workflow Developer

Hiring Organisation
Shaw Daniels Solutions
Location
London Area, United Kingdom
development. Understanding of ITIL principles (incident, change, problem). Exposure to DevOps, CI/CD, or structured testing and release methodologies. Knowledge of APIs, RESTful services, and authentication methods. ...

Mid-Level .NET / Full Stack Developer – Hybrid – £450/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven

Hiring Organisation
VirtueTech Recruitment Group
Location
City of London, London, United Kingdom
month contract Responsibilities Build and maintain .NET services powering a global payments platform Contribute to event-driven microservices running in Azure Develop and maintain RESTful APIs used by internal systems and external partners Collaborate with senior engineers on system design and implementation Write clean, maintainable, and well-tested code Participate ...

Senior C# Developer - London - Perm

Hiring Organisation
Infused Solutions Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £70000/annum
team Strong communication and stakeholder engagement skills Desirable Skills Experience with modern .NET versions Exposure to cloud platforms (Azure, AWS, or similar) Experience with RESTful APIs Familiarity with Agile/Scrum environments What's On Offer Salary of £50,000 - £70,000 depending on experience onsite role in London Opportunity ...

Frontend React Developer

Hiring Organisation
Explore Group
Location
London Area, United Kingdom
HTML5 , CSS3 , and modern JavaScript (ES6+). Proven experience with state‐management libraries (e.g., Redux, Zustand). Solid experience integrating front‐end apps with RESTful APIs, (GraphQL is a bonus). Experience with testing frameworks (e.g., Jest , React Testing Library ). Comfortable with CI/CD pipelines, version control ...

Senior Full-Stack Engineer – Web Platform & Integrations

Hiring Organisation
Broadlab
Location
London Area, United Kingdom
with modern front-end frameworks (e.g. React, Vue, Next.js), even if not currently using one in production. Backend & API Experience – Experience designing and consuming RESTful APIs; comfortable working in Python-based backend environments. Integration Experience – Experience integrating with third-party APIs, handling authentication (OAuth, API keys, JWT), rate limits, retries ...

Senior Backend Engineer

Hiring Organisation
Xapien
Location
City of London, London, United Kingdom
Essential 5+ years of professional software engineering experience Strong proficiency in Go, with deep understanding of concurrency, error handling, and idiomatic patterns Experience building RESTful or gRPC APIs Solid understanding of databases, with MongoDB experience highly valued Experience with micro-services architecture and distributed systems Familiarity with containerisation (Docker ...

Sharepoint Developer & Administrator

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
SharePoint Framework (SPFx) development. - Proficiency in TypeScript, JavaScript, React, HTML5, CSS3, and modern front-end development practices. - Strong experience integrating SharePoint solutions using RESTful APIs and Microsoft Graph. - Solid experience with C# and .NET Framework for backend and integration development. - Hands-on experience administering SharePoint on-prem environments, including patching ...