1 to 25 of 67 REST Jobs in Central London

Java Developer - Payments

Hiring Organisation
Crisil
Location
City of London, London, United Kingdom
required- 7+ years of experience in Java backend development , preferably in banking or payments environments. Strong expertise in Java 11 or higher , Spring Boot , REST APIs , Hibernate/JPA , and Microservices Architecture . Experience with ISO 20022/SWIFT/SEPA/RTP/ACH message structures and transformations. Familiarity ...

Dotnet Developer

Hiring Organisation
Information Tech Consultants
Location
City of London, London, United Kingdom
experience with ASP.NET MVC/Web API Familiarity with Entity Framework/LINQ Experience with SQL Server or other relational databases Understanding of REST APIs and microservices architecture Knowledge of Git or other version control systems Strong problem-solving and analytical skills Preferred Skills (Good to Have) Experience with Azure ...

Senior React Developer

Hiring Organisation
Intec Select
Location
City of London, London, 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 ...

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 ...

Automation QA Analyst

Hiring Organisation
Vallum Associates
Location
City of London, London, United Kingdom
automation testing using Selenium/Playwright/Cypress Proficiency in programming languages such as Java, Python, or C# Experience with API testing (Postman, REST Assured, or similar) Knowledge of testing frameworks (TestNG, JUnit, Pytest, etc.) Familiarity with CI/CD tools (Jenkins, Azure DevOps, GitHub Actions) Good understanding of SDLC ...

Principal Java Developer - Consultancy

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
have strong Java development skills including multi-threading and concurrency You have experience with SpringBoot and microservices environments You have a good knowledge of REST APIs You have a good understanding of AWS You have a thorough understanding of software development and Computer Science fundamentals such as Object Oriented Programming ...

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 ...

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 ...

Frontend Developer

Hiring Organisation
STS Digital Group
Location
City of London, London, United Kingdom
problem solving. Comfortable working closely with backend engineers and non-technical stakeholders. Fluent in English, both written and spoken. Desirable Experience integrating with REST or WebSocket APIs. Exposure to backend technologies such as C# or Python. Familiarity with RFQ, OTC, or derivatives trading workflows. Experience working on admin or operational ...

Senior Full Stack Engineer

Hiring Organisation
Access Computer Consulting
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £440/day
React, Kubernetes & Docker. Experience in building responsive, component based user interfaces using modern front end frameworks. Hands on expertise in API design and development (REST/JSON), including versioning and backward compatibility. Experience with UI testing, component testing, and front end build tooling. Experience in CI/CD pipelines, GitOps ...

Full Stack Engineer

Hiring Organisation
Coltech
Location
City of London, London, United Kingdom
supporting production deployments 🧩 What You’ll Bring Strong hands-on experience with Java (9+) Proven expertise in Spring Boot/Spring Framework Experience with REST APIs and microservices architectures Ability to work effectively within existing systems and standards ➕ Bonus Experience Previous banking/financial services background ( ex-LBG a plus ...

Python Developer

Hiring Organisation
Roc Search
Location
City of London, London, United Kingdom
time data pipelines and event-driven architectures • Supporting production systems and driving performance improvements 🛠️ Core tech & experience: • Strong Python expertise (Django, FastAPI) • Experience with REST APIs, WebSockets, and real-time data integration • Cloud-native development (Azure preferred) • CI/CD, automated testing, and production support • Hands-on experience with ...

Web Developer

Hiring Organisation
Marks Sattin
Location
City of London, London, United Kingdom
Bring Strong front‐end engineering fundamentals with 3+ years’ web development experience Proficiency in Angular (v20+), TypeScript, HTML, and CSS Experience consuming and integrating REST APIs Familiarity with Git‐based source control and collaborative development workflows Experience working with Azure services, including Azure SQL and cloud‐hosted applications Exposure ...

Forward Deployed Engineer

Hiring Organisation
ALOIS UK
Location
City of London, London, United Kingdom
best practices across customers Required Skills & Experience Technical • Strong full-stack development skills: o Frontend: React, TypeScript, modern web frameworks o Backend: Python, Node.js, REST/GraphQL APIs • Experience with cloud infrastructure (AWS, Azure, GCP) • Familiarity with data pipelines, vector databases, and RAG systems • Understanding of scalable distributed system architecture ...

Solutions Architect

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
team retros, sprint reviews, story-mapping, backlog refinement) helping the entire delivery team be the best that they can. Essential Skills: C# .NET Core, REST API Design and Development, API Management Document or No-SQL database solutions (particularly Elasticsearch) Messaging and microservices based architecture (Azure Service Bus, Azure Functions) Formal ...

Performance Specialist

Hiring Organisation
Apprize Technology Solutions
Location
City of London, London, United Kingdom
Spring Framework and Middleware, JMS and JPA/Hibernate • Good understanding of web frontend technologies: Angular v2+, Observables, Redux • Competence in the usage of REST-APIs • Experience integrating with Identity and Access Management (IAM) systems, with good understanding of concepts like OAuth, OpenID Connect and Single Sign-on • Adapting ...

Software Engineer

Hiring Organisation
ivee
Location
City of London, London, United Kingdom
based) Strong coding skills in at least one language (e.g. JavaScript, Python, Go, Java) Familiarity with modern frameworks and version control (Git) Understanding of REST APIs and backend/frontend communication A growth mindset and willingness to learn Bonus: experience working with AI tools, cloud platforms, or data pipelines ...

Software Engineer

Hiring Organisation
ivee
Location
City of London, London, United Kingdom
based) Strong coding skills in at least one language (e.g. JavaScript, Python, Go, Java) Familiarity with modern frameworks and version control (Git) Understanding of REST APIs and backend/frontend communication A growth mindset and willingness to learn Bonus: experience working with AI tools, cloud platforms, or data pipelines ...

Technical Lead / Solution Engineer

Hiring Organisation
I3 Resourcing Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Sales Cloud) experience Proven background as a Technical Lead/Solution Architect/Solution Engineer Experience with: AWS (Glue, AppFlow) Java development API integrations (REST/SOAP) CI/CD pipelines & cloud deployment (AWS/Azure) Experience working across business requirements/user journeys (BA background beneficial) Strong understanding ...

Power Platform Engineer

Hiring Organisation
Norton Blake
Location
City Of London, England, United Kingdom
deployed Canvas Apps and used Dataflows within Power Platform for data integration and transformation. Comfortable setting up connectors and endpoints, including email connectors and REST API integrations. Hands-on with Power Platform Pipelines and/or GitHub CI/CD for promoting solutions to production. Familiar with the Microsoft/ ...

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
systems What we’re looking for Experience developing applications with .NET/C# Exposure to cloud platforms such as Azure Experience building or consuming REST APIs Understanding of microservices or event-driven architectures Experience working in agile engineering teams Interest in building high-scale transactional systems Mid-Level .NET/ ...

Scala Developer (Remote)

Hiring Organisation
Stealth iT Consulting
Location
City of London, London, United Kingdom
HTTP filters. Solid understanding of functional programming concepts and idiomatic Scala (e.g., immutability, monads, cats/Scalaz familiarity advantageous). Experience designing and consuming REST APIs, JSON validation/serialization (Play JSON, Circe). Experience with relational databases (PostgreSQL) and/or NoSQL (MongoDB), including schema design and query optimisation. ...

Salesforce Developer (London/ hybrid)

Hiring Organisation
Mason Frank International
Location
City of London, London, United Kingdom
backend logic using Lightning Web Components (LWC) and Apex . Systems Architecture: Manage complex data flows and integrations with external platforms, utilizing REST/SOAP APIs and modern middleware. Next-Gen Tech: Actively contribute to the R&D of AI-driven automation and Salesforce’s latest intelligence tooling. DevOps Excellence ...

Scala Developer - Remote Contract - Outside IR35

Hiring Organisation
Stealth iT Consulting
Location
City of London, London, United Kingdom
Strong understanding of functional programming concepts and idiomatic Scala (immutability, monads; familiarity with Cats or Scalaz is a plus). Experience designing and consuming REST APIs , including JSON validation/serialization (Play JSON, Circe). Proficiency with relational databases (PostgreSQL) and/or NoSQL (MongoDB), including schema design and query ...