1 to 25 of 71 RESTful Jobs in London

Senior Full Stack Developer (React & C#.NET)

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Responsibilities Design & Develop: Create and maintain full stack applications using React JS and C#.NET Core. Build Services: Develop high-performance backend services and RESTful APIs with a focus on scalability and resilience. Create UI Components: Craft responsive and modular UI components using React JS and modern JavaScript/TypeScript patterns. ...

Senior Developer

Hiring Organisation
Initialize
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
business and customer stakeholders. An excellent understanding of the development fundamentals - version control (Git), SDLC, agile methodologies, testing, debugging, code review, CI/CD, RESTful APIs, databases, query optimisation, operating systems, networking, security best practice, authentication and authorisation, encryption, cloud computing, containerisation, orchestration, infrastructure as code, monitoring, logging, performance optimisation ...

Full Stack Software Engineer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 Daily
within Government, NHS, or wider public sector environments. Key Responsibilities Design, develop and maintain scalable web applications using .NET and Vue.js Build and enhance RESTful APIs and backend services Develop responsive, accessible front-end applications Deploy and support cloud-native solutions within Microsoft Azure Collaborate with Product Owners, Architects, DevOps ...

Full Stack Software Engineer

Hiring Organisation
Brio Digital
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£550/day
within Government, NHS, or wider public sector environments. Key Responsibilities Design, develop and maintain scalable web applications using .NET and Vue.js Build and enhance RESTful APIs and backend services Develop responsive, accessible front-end applications Deploy and support cloud-native solutions within Microsoft Azure Collaborate with Product Owners, Architects, DevOps ...

Backend Developer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
least two or morebackend programming languages such as: Python Go Java Kotlin C# TypeScript/Node.js Ruby Rust Experience designing and consuming RESTful and/or GraphQL APIs. Strong understanding of SQL and database design principles. Experience with cloud platforms such as AWS, Azure, or GCP. Familiarity with containerisation technologies ...

Senior Software Engineer

Hiring Organisation
Espire Infolabs Limited
Location
London, United Kingdom
Employment Type
Permanent
full stack Strong proficiency in at least two languages (e.g. Python, TypeScript, C#, Node.js), with confidence picking up others as needed Solid grounding in RESTful API design, microservices architecture, and cloud-native development (Azure preferred) Proven experience with CI/CD pipelines, (Docker/Kubernetes), and DevOps practices Strong ...

AWS Architect

Hiring Organisation
ECM Selection Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
knowledge of Infrastructure-as-Code; DevOps, and experience with NoSQL databases. Demonstrably good coding skills, ideally in Java and/or Python; knowledge of RESTful APIs and service integration patterns and security frameworks such as OAuth 2.0 or OpenID Connect (OIDC). You must have full, existing, and unrestricted right ...

Golang Developer

Hiring Organisation
Insight International (UK) Ltd
Location
City of London, London, United Kingdom
Contract Key Responsibilitie sDesign, develop, and maintain backend services and microservices using Golang .Build scalable, high-performance applications for enterprise environments .Develop and consume RESTful APIs and integrate with third-party systems .Write clean, maintainable, and testable code following best practices .Optimize application performance, reliability, and scalability .Collaborate with product ...

Senior Python Engineer

Hiring Organisation
Method Resourcing
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
Python development experience Strong understanding of software design patterns and engineering principles Experience with frameworks such as FastAPI, Django, or Flask Solid knowledge of RESTful APIs and distributed systems Experience working with relational and NoSQL databases Strong testing experience (PyTest, unit, integration, and automated testing) Experience with Git and modern ...

Java Software Engineer

Hiring Organisation
Sanderson Recruitment
Location
South West London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £600 per day + Inside IR-35
APIs Cloud-hosted environment on Azure Modern engineering practices and tooling Key responsibilities Design, build and maintain Java backend applications Develop and support RESTful APIs Deploy and operate services in Azure Contribute to CI/CD pipelines Collaborate with frontend, QA and DevOps teams Participate in code reviews and technical ...

Java Backend Developer

Hiring Organisation
Pro Contract Jobs Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Responsibilities Design, develop and maintain backend services using modern Java (Java 17+), following secure coding and clean architecture principles. Build and evolve microservices and RESTful APIs to support scalable and resilient platform capabilities. Collaborate with cross-functional teams (engineering, QA, platform/DevOps, product) to deliver new features and enhancements. ...

Software Engineer - Golang Developer - AWS - Kubernetes - Financial Services

Hiring Organisation
Rothstein Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 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 Technical Lead

Hiring Organisation
RSSB
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
lead on a complex, multi-service platform, with direct responsibility for technical delivery quality and team output. Extensive C# and ASP.NET Core experience, including RESTful APIs, dependency injection, domain modelling, integration patterns, and performance considerations. Experience with Entity Framework Core code-first migrations and data modelling. Strong front-end engineering ...

Java Technical Lead

Hiring Organisation
Adecco
Location
Wembley, Middlesex, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 - 85,000 Annual
architecture Health check endpoints Secure secret management (Azure Key Vault) Containerisation standards and deployment readiness The Integration Engine Lead API and integration strategy, including: RESTful API design OAuth2 authentication flows (including FusionAuth) Event-driven systems via Azure Service Bus Transactional email logic via SendGrid (DMARC compliant) Mentorship & Code Leadership ...

Principal Java Engineer

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

AI Tech Lead Developer

Hiring Organisation
Elance India
Location
London Area, United Kingdom
workflows. ✔ Knowledge of authentication, secret management, network security, and governance models. ✔ AWS experience including EC2, EKS, S3, SQS, DynamoDB, Bedrock, and AgentCore. Preferred Skills 🔹 RESTful APIs & Microservices Architecture 🔹 Terraform & GitOps 🔹 SQL & NoSQL Databases 🔹 AI Observability & Prompt Evaluation Tools 🔹 Vector Databases & RAG Architectures What We're Looking For 🌟 Strong technical leadership ...

Java / Cloud Technical Lead - London, Wembley

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £80000/annum + Benefits
YAML workflows - not as a DevOps engineer, but as a developer who understands the pipeline their code flows through. API Mastery: Deep expertise in RESTful API design principles, OAuth2 authentication flows (including FusionAuth integration), and DMARC-compliant transactional email logic via SendGrid. Duties Engineering Standards: Define and enforce the clients ...

Java Technical Lead - London, Wembley

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £80000/annum + Benefits
YAML workflows - not as a DevOps engineer, but as a developer who understands the pipeline their code flows through. API Mastery: Deep expertise in RESTful API design principles, OAuth2 authentication flows (including FusionAuth integration), and DMARC-compliant transactional email logic via SendGrid. Duties Engineering Standards: Define and enforce the clients ...

Lead Modernization Engineer Java / Node.js - London, Wembley

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £80000/annum + Benefits
YAML workflows - not as a DevOps engineer, but as a developer who understands the pipeline their code flows through. API Mastery: Deep expertise in RESTful API design principles, OAuth2 authentication flows (including FusionAuth integration), and DMARC-compliant transactional email logic via SendGrid. Duties Engineering Standards: Define and enforce the clients ...

Lead DevOps Engineer

Hiring Organisation
Tank Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90000 - £110000/annum
Technical Depth: Elite proficiency in managing and scaling cloud-native infrastructure, with deep expertise across AWS, Kubernetes, Docker, CI/CD pipelines, Git, and RESTful APIs. Leadership Track Record: Demonstrable experience operating in a Technical Lead, Infrastructure Architect, or Senior DevOps capacity-with the proven ability to build, scale ...

Senior Backend Developer

Hiring Organisation
Rullion Managed Services
Location
City of London, London, United Kingdom
Employment Type
Contract
Skills: Demonstrated expertise as a Senior Backend Developer. Proficiency in Python as your primary language, or willingness to adapt. Hands-on experience with RESTful APIs and/or GraphQL. Proficiency in version control tools like Git. Sound understanding of development best practices including pair programming and TDD. Eagerness to engage ...

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 ...

C# Developer

Hiring Organisation
Impellam Group
Location
London Area, United Kingdom
written and oral, inside and outside the team. • Solid experience with client or server-side C# development. • Solid experience with web-based applications and restful APIs. • Solid experience with relational databases and SQL knowledge. • An ability to design performant software and an understanding of application performance profiling. Desirable Requirements • Experience ...

C# Developer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
written and oral, inside and outside the team. * Solid experience with client or server-side C# development. * Solid experience with web-based applications and restful APIs. * Solid experience with relational databases and SQL knowledge. * An ability to design performant software and an understanding of application performance profiling.Desirable Requirements * Experience with ...

Software Engineer

Hiring Organisation
Chumley
Location
City of London, London, United Kingdom
looking for Strong proficiency with React , modern JavaScript/TypeScript, and Vite or equivalent tooling. Back-end experience (e.g. Node.js or similar) with RESTful or GraphQL APIs. Experience integrating or working with Salesforce (APIs, webhooks, or data pipelines). Good understanding of application architecture, performance, and security. Comfort working ...