31 to 55 of 352 RESTful Jobs in London

Sr. Full Stack Developer (Java, React & Python)

Location
City Of London, England, United Kingdom
engineering, prompt engineering, observability is essentialExperience with Agentic AI development & Java Spring Framework would be advantageousUnderstanding of full stack development and architecture patterns.Experience with RESTful API development and integration.Proven track record in developing base frameworks, reusable programs and defining standards.Knowledge of cloud platforms AWS and containerization technologies.Strong understanding of object ...

Senior Software Engineer - Java, Node.js & AWS

Location
Greater London, England, United Kingdom
Node.js and the Spring ecosystem. Lead technical design and architectural discussions, ensuring solutions are maintainable, performant and aligned with best practices. Develop and evolve RESTful APIs with a focus on security, versioning, performance and reliability. Champion engineering excellence through clean code, automated testing, documentation and code reviews. Drive delivery across ...

Sr. Full Stack Developer

Location
Greater London, England, United Kingdom
observability is essential* Experience with Agentic AI development & Java Spring Framework would be advantageous* Understanding of full stack development and architecture patterns.* Experience with RESTful API development and integration.* Proven track record in developing base frameworks, reusable programs and defining standards.* Knowledge of cloud platforms AWS and containerization technologies.* Strong ...

Principal Technical Lead

Location
City Of London, England, United Kingdom
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 ...

Front End (UI) Software Engineer (Fullstack)

Location
Greater London, England, United Kingdom
e.g., React, TypeScript, Next.js/Angular) and enterprise design systems.* **Fullstack Integration & API Design:** Lead end-to-end integration by designing, consuming, and optimizing RESTful APIs, GraphQL endpoints, Backend-for-Frontend (BFF) layers, and microservices (e.g., Node.js, Java/Spring Boot, or Python).* **Cross-Functional Collaboration:** Partner with multiple ...

Senior Software Engineer (Kotlin, Spring Boot)

Location
Greater London, England, United Kingdom
using Kotlin and Spring Boot Lead technical design and architectural discussions, ensuring solutions are maintainable, performant and aligned with best practices. Develop and evolve RESTful APIs with a focus on security, versioning, performance and reliability. Champion engineering excellence through clean code, automated testing, documentation and code reviews. Drive delivery across ...

Experienced Product Engineer - Full Stack

Location
Greater London, England, United Kingdom
culture where individual contributions have visible impact. What you'll be doing On the backend, you will design, build and maintain scalable services and RESTful/GraphQL APIs using Python with Django or FastAPI, writing clean, well-tested, production-grade code with a focus on reliability and performance. You will ...

Senior Software Engineer – (Java / Spring / AWS)

Location
Greater London, England, United Kingdom
based solutions within AWS environments. Lead technical design and architectural discussions, ensuring solutions are maintainable, performant and aligned with best practices. Develop and evolve RESTful APIs with a focus on security, versioning, performance and reliability. Champion engineering excellence through clean code, automated testing, documentation and code reviews. Drive delivery across ...

Senior Software Engineer (Full Stack) — Java & React

Hiring Organisation
Zühlke Engineering
Location
London, UK
Employment Type
Full-time
relational, NoSQL and other persistence technologies. Experience building shared platforms, common services or greenfield technical foundations. Building APIs adhering to design principles such as RESTful API design Building observable systems Experience in regulated or financial-services environments. Exposure to payments, transaction processing or other business domains. Equivalent experience with comparable ...

Lead Software Engineer - AI-Native Applications

Hiring Organisation
IFS
Location
London, UK
Employment Type
Full-time
SkillsRequiredSoftware EngineeringStrong hands-on experience with Go and modern backend development, ideally alongside TypeScript/Node.js. Experience designing and building distributed systems, microservices and RESTful APIs. Strong understanding of Domain-Driven Design (DDD), bounded contexts, event-driven architecture and service decomposition. Experience building scalable cloud-native applications using technologies such ...

Senior Full Stack Engineer - Vialto Rewards -

Hiring Organisation
Vialto Partners
Location
London, UK
Employment Type
Full-time
readiness in regulated financial workflows. Technical Skills We Value Frontend: Next.js, React, TypeScript, HTML, CSS, SPA architecture, performance and accessibility Backend: C#, ASP.NET, WebAPI, RESTful design, authentication and authorization patterns, high-integrity calculation services Cloud: Azure PaaS services, observability, secure networking, identity, deployment automation Domain: Compensation Collection workflows, Shadow Payroll ...

Java Software Engineer

Location
Greater London, England, United Kingdom
frameworks, working closely with product, trading, and engineering teams. The Role Designing and developing backend services using Java and Spring Boot Building and maintaining RESTful APIs and event-driven services Writing clean, testable, and well-documented code Collaborating with stakeholders to deliver new features and system improvements Supporting and enhancing ...

Full Stack Developer

Hiring Organisation
MJA (London) Ltd
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Producers, consumers, topics, partitions and consumer groups Cloud: AWS application deployment and support DevOps: CI/CD pipeline implementation and automation Containers: Docker APIs: RESTful API design and development using C# with Open API standard Source Control: GitHub and Azure DevOps Production Engineering: Troubleshooting, monitoring, logging and performance optimization Highly ...

Full Stack Developer

Hiring Organisation
MJA (London) Ltd
Location
EC3, Broad Street, Greater London, United Kingdom
Employment Type
Contract
Producers, consumers, topics, partitions and consumer groups Cloud: AWS application deployment and support DevOps: CI/CD pipeline implementation and automation Containers: Docker APIs: RESTful API design and development using C# with Open API standard Source Control: GitHub and Azure DevOps Production Engineering: Troubleshooting, monitoring, logging and performance optimization Highly ...

Software Engineer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£480 - £500/day
Responsibilities: Design, develop and maintain enterprise-grade applications using .NET technologies Build and enhance responsive front-end applications using React and TypeScript Develop secure RESTful APIs and backend services Work within Azure-native environments, leveraging cloud-first architecture principles Collaborate with Product Owners, Architects, DevOps and QA teams in Agile ...

Senior Backend Developer for Video on Demand and Live Streaming

Hiring Organisation
Develop
Location
Twickenham, London, United Kingdom
Employment Type
Contract
Widevine, PlayReady, FairPlay). Expertise with CDNs (AWS CloudFront, Akamai, Fastly). Hands-on experience with cloud platforms (AWS, Fastly). Solid knowledge of RESTful APIs and microservices architecture. Experience with databases (PostgreSQL, MySQL, NoSQL databases). Proficiency with message queues (Kafka, RabbitMQ). Strong DevOps experience, including: CI/ ...

Senior Full Stack Developer (C#/React/TypeScript) - REMOTE working

Location
Greater London, England, United Kingdom
rest. Microservices architecture. Docker, Kubernetes in Azure, Vercel. Jenkins/BitBucket Pipelines for CI/CD. RabbitMQ/MassTransit. Microfrontends. Test Driven Development. RESTful API design. GraphQL APIs. Integrations with third-party APIs and SaaS platforms. Benefits Competitive salary and benefits package REMOTE working Holiday allowance 50% staff discount ...

Senior Developer

Location
Greater London, England, United Kingdom
transaction, large-scale systems in telecoms, billing, or similar enterprise domains preferred. Strong expertise in Java, Spring Boot, and J2EE. Hands-on experience with RESTful APIs, Microservices, and Containerisation (Kubernetes/OpenShift). Solid understanding of RDBMS, SQL, and PL/SQL. Familiarity with application servers such as JBoss ...

Full Stack Developer

Location
Greater London, England, United Kingdom
Nice To Have Experience with Docker and containerised development environments. Knowledge of cloud platforms such as AWS, Azure or similar. Experience developing and consuming RESTful APIs. Experience with application performance optimisation, including database queries and efficient application code. Experience with modern JavaScript tooling and front-end build processes. An interest ...

Full Stack Engineer

Location
Greater London, England, United Kingdom
some of the following; Node (Typescript), React, PHP, .NET core, MongoDB and/or SQL. Experience in developing HTTP-based APIs and implementation of RESTful services, as well asGraphQL Thorough understanding of CI/CD pipelines with experience of Jenkins and/or CodePipeline Practices Test Driven Development ...

Blockchain / DLT Developer

Hiring Organisation
Delta Capita
Location
London, UK
Employment Type
Full-time
such as Web3.js, Ethers.js, or equivalent SDKs for Hedera and Algorand. Proficiency in one or more backend languages (e.g. Node.js, Python, Go, Java) and RESTful/event-driven API design. Familiarity with blockchain development toolchains including Hardhat, Truffle, Foundry, or equivalent. Experience with version control (Git) and collaborative development workflows. ...

Java Fullstack Developer, Assistant Vice President

Location
Greater London, England, United Kingdom
backend services. Advanced proficiency in Java and modern backend development using Spring Boot and common Spring modules (web, security, data). Strong experience building RESTful APIs and microservice-style backend services, including documentation and integration patterns. Solid experience with a modern front-end framework such as React, Vue.js, or Angular ...

Full Stack Engineer (React /.Net)

Location
Greater London, England, United Kingdom
Ability to understand business needs quickly and create relevant UI prototypes and proofs of concept. Experience with Agile/SCRUM. Experience building and consuming RESTful APIs. Understanding of unit testing and experience writing tests. Ability to work effectively with remote teams. Positive, collaborative approach to work and a strong sense ...

Senior AI Consultant - Agentic AI & Generative AI

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
streaming, review loops, provenance/citations, long-running tasks and error recovery. Back-end: Django (5.x+), DRF, FastAPI, Pydantic, Celery, Django Channels, Flask and RESTful APIs. Databases and storage: PostgreSQL, MS SQL Server, MongoDB, Firestore, BigQuery, Azure Blob Storage. Cloud and DevOps: Azure (App Services, OpenAI, AKS), GCP (Vertex ...

Senior Fullstack Engineer (Payments Experience)

Location
Greater London, England, United Kingdom
Track Record: 5+ years building high-performance, client-facing web applications. Backend Expertise: Deep hands-on experience with Python , FastAPI , PostgreSQL , Redis , and secure RESTful APIs. Frontend Proficiency: Mastery of TypeScript , React , Jest , and Storybook . (Experience with Micro-Frontends is a massive bonus). DevOps & Cloud: Comfort with ...