1 to 25 of 194 REST Jobs in London

Full Stack Developer

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£45,000 - £65,000 per annum
trading environments Experience with WebSockets or SignalR for real-time communication Backend development experience with .NET (C#) and/or Python Strong understanding of REST APIs and microservices architecture Experience with message brokers (e.g. RabbitMQ or Kafka) Knowledge of caching technologies (e.g. Redis) Experience with Azure DevOps/CI/ ...

Senior Java Developer

Hiring Organisation
Gazelle Global Consulting Ltd
Location
London, United Kingdom
Employment Type
Contract
both high level and low level software design Expertise in: o Core Java, Python o Building highly distributed, data intensive systems o Microservices, REST APIs o RDBMS (Oracle/SQL Server/Postgres) o CI/CD tools (Jenkins/GitLab), DevOps automation o Docker, Kubernetes o JVM profiling & performance ...

Angular Developer with Python

Hiring Organisation
Net2Source (N2S)
Location
London, UK
Angular 6, Java, JavaScript, JSON, CI/Cd pipeline build deployment tools eg Bamboo, Micro services APIs, Cloud experience AWS Azure, API integration experience REST preferred, understanding of event driven architecture · Different AWS deployment methods eg native EC2 Pivotal Cloud Foundry JVM Docker Experience with software design and development ...

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
Software Engineer C# (preferably .NET), Python and JavaScript/Typescript Proven experience developing front end applications using React, Vue or Angular Good knowledge of REST API’s, microservices and distributed systems Experienced working with SQL and NoSQL databases Understanding of CI/CD pipelines Azure, AWS or GCP Experienced working ...

Senior Azure Integration Developer

Hiring Organisation
ARC IT Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 - 95,000 Annual
Azure Functions, Service Bus, Event Grid) Experience delivering containerised workloads in AKS Strong programming capability in C#, .NET, JavaScript or TypeScript Solid understanding of REST APIs, OAuth2 and modern API security practices Experience with SQL and data integration technologies Familiarity with CI/CD pipelines and DevOps practices, ideally using ...

Senior React Developer

Hiring Organisation
Intec Select
Location
London Area, United Kingdom
Experience Experience deploying apps to the Apple App Store Knowledge of web security best practices and cyber threat mitigation Familiarity with microservices and REST API architecture Exposure to Infrastructure as Code tools (e.g. Terraform) Experience working with real-time trading or data visualisation platforms Package: Initial 12 month contract (high ...

Java Developer - Java Frameworks, SC Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £475/day
Clearance Desirable Skills React Next.js Experience working within Agile delivery teams Responsibilities Develop backend services using Java and Spring Boot Build and maintain REST APIs Work with AWS cloud infrastructure Contribute to microservices and containerised deployments Support delivery of new system builds (greenfield) Collaborate with cross-functional teams ...

MS Dynamics 365 CE Developer/Architect

Hiring Organisation
Morson Edge
Location
London, United Kingdom
Employment Type
Contract
Apps and Power Automate - Proficiency in C#, .NET, JavaScript, and/or TypeScript - Strong knowledge of Dataverse (data modelling, security, APIs) - Experience with integrations (REST/SOAP APIs, Azure Integration Services) - Familiarity with Azure DevOps, CI/CD, and release management - Experience designing scalable enterprise solutions - Strong understanding of Agile ...

Artificial Intelligence Specialist

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
/K8s), serverless, CI/CD Solid programming skills (one or more): Python, TypeScript/JavaScript, Java, C# Experience with APIs and integration patterns: REST/gRPC, event-driven systems, queues, workflow engines Security & Governance (Must Have) Understanding of GenAI-specific threats: prompt injection, data leakage, jailbreaks, insecure tool calling ...

IT Software Engineer Senior Manager - INFOex

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
solution architecture and ensuring alignment with BCG’s technology standards. Key Responsibilities Design, build, and maintain full stack applications using .NET Core, C#, REST APIs, and Power Platform applications Develop scalable and secure backend services and responsive front‐end interfaces Build and maintain Power Platform solutions including Power Apps, Power ...

Front Office Software Developer – Hedge Fund – London

Hiring Organisation
Octavius Finance
Location
London Area, United Kingdom
fault tolerance Build and maintain data pipelines to ingest and process data from multiple external vendors and internal sources Develop low-latency APIs (REST and/or GraphQL) to support communication across distributed systems Create monitoring tools and dashboards to ensure system performance, reliability, and availability Take ownership of services ...

Senior Java Developer / SRE Specialist

Hiring Organisation
GL Global
Location
London Area, United Kingdom
Engineer within large-scale, distributed systems Proven background in SRE, Production Engineering, or DevOps-focused roles Deep expertise in Java (Spring Boot, microservices architecture, REST APIs) Strong experience with Kubernetes and containerised environments Experience with Infrastructure-as-Code (Terraform, CloudFormation, etc.) If you are a Java-focused architect who thrives ...

Lead Dynamics 365 Developer and Support

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £87,000 per annum
customisation. Hands-on with Power Platform including Power Apps, Power Automate, Power BI, and Dataverse . Strong integration skills with Azure Logic Apps , REST/SOAP APIs , and KingswaySoft . Experience with CI/CD , DevOps , and GIT version control. Proficient in SQL , SSIS , and Azure Data Factory (ADF) . ...

Back End Engineer

Hiring Organisation
Zuma Labs
Location
Greater London, England, United Kingdom
trading/finance experience. Experience with writing unit and integration tests and maintaining CI/CD pipelines. Preferred Qualifications & Experience Experience with GraphQL or REST API development. Knowledge of asynchronous programming, message queues, or real-time streaming architectures. Familiarity with cloud platforms (AWS, GCP, Azure) and container orchestration (Kubernetes/ ...

Senior Quality Assurance Automation Engineer

Hiring Organisation
Apexon
Location
Greater London, England, United Kingdom
confidence . Required Skills and Experience Strong hands-on experience with Playwright and JavaScript/Node.js or TypeScript for automation development. Proven experience testing REST APIs, GraphQL services, and microservice-based systems . Experience with API testing tools such as Postman or SuperTest and strong understanding of JSON schema validation ...

MS Dynamics 365 CE Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
control development Dataverse Knowledge of data modelling, security roles, business rules, and Dataverse APIs Integrations Proven track record building integrations via Azure Integration Services, REST/SOAP APIs, custom connectors Azure DevOps Experience with CI/CD pipelines, solution deployment automation, and branching strategies Architecture Ability to design scalable enterprise ...

Senior Software-Engineering Manager

Hiring Organisation
Socure
Location
London Area, United Kingdom
Platform teams to define project scope, sequence milestones, and proactively de-risk execution for iterative releases. Own design of APIs and microservices, including REST and event-driven patterns, and enforce best practices for versioning, contracts, and backward compatibility. Advance operational excellence by defining SLOs, improving observability and alerting, hardening ...

Solution Architect

Hiring Organisation
NEEV LIMITED
Location
London, United Kingdom
Employment Type
Contract, Work From Home
effectively across business, product and delivery teams o Experience operating within agile delivery environments Data & Integration Expertise o Strong understanding of integration design patterns (REST APIs, message queues, eventdriven integration, ETL, batch processing). o Experience working with master data domains (Party, Facility, Instrument, Product, Country, Sector, Ratings). Technology ...

Data Engineer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £560 per day
platforms and services. Maintain data quality, security, and compliance across workflows. What you'll bring: Strong programming skills in Java. Hands-on experience developing REST APIs or microservices with Spring Boot. Experience containerising applications with Docker. Understanding of relational and NoSQL databases. Familiarity with modern data architectures (ETL/ ...

Full Stack Engineer /Software Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£60 - £80/hour Negotiable
Core Stack: React, Next.js, and TypeScript. Architecture: Micro-frontends (Capla/Vue) and Module Federation. Data: Integrating with Java/Spring Boot services via REST and GraphQL. Cloud & DevOps: Kubernetes (BKS), AWS, and advanced observability (Metrics, Dashboards, Alerts). What You Will Do End-to-End Ownership: Own the design ...

Full Stack Engineer

Hiring Organisation
BioTalent
Location
City of London, London, United Kingdom
proficiency in Python for backend development Experience building APIs and production services Experience developing modern frontend applications using Next.js and React Solid understanding of REST APIs and client–server architecture Experience with testing frameworks (pytest) and CI/CD pipelines Familiarity with TypeScript, CSS frameworks and component-based UI design ...

Senior Full Stack Engineer

Hiring Organisation
Trust In SODA
Location
City of London, London, United Kingdom
scalable backend. What You Bring to the Table React Node/TypeScript/JavaScript Cloud: AWS, Azure, or GCP. APIs: API design and integration (REST & GraphQL). AI Tooling: Confident using AI-boosted environments to ensure quality (Claude or similar). The Cherry on Top If you’ve dabbled ...

Senior Full Stack Developer

Hiring Organisation
Glite Tech
Location
London Area, United Kingdom
decomposition principles, and resolving monolith vs. microservices trade-offs. Experience with SQL and NoSQL databases. Understanding of best practices in building scalable mobile APIs (REST, HTTPS, etc.). Good principles of security management (secrets, protocols, etc.). Experience with some Python web frameworks (Django, Flask, FastAPI, etc.). Desirable Skills ...

IT Development Team Lead (Full Stack)

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
DevOps CI/CD processes, Service bus Architecture, Microservices, Functions, Web apps, IAC Experience with AI driven development tools such as Claude Experience developing REST API-driven mobile first web applications Experience of frontend application development, with a focus on React.js, Next.js and TypeScript Jira, Bitbucket, Git Flow, Confluence, Azure ...

Full Stack Developer - .Net React

Hiring Organisation
Youngs Employment Services
Location
Hammersmith and Fulham, Greater London, Ravenscourt Park, United Kingdom
Employment Type
Permanent
Salary
£50000 - £75000/annum Bonus + Bens
/AKS deployment, Azure Service Bus, Blob Storage SQL Server — T-SQL, EF Core migrations, query optimisation Azure DevOps — Repos, Boards, Pipelines, Test Plans REST API design and OpenAPI/Swagger documentation This is an exciting time to be joining our client with salary will be based on experience ...