76 to 100 of 318 RESTful Jobs in London

Senior Java Developer IRC303861

Location
Greater London, England, United Kingdom
need: Strong experience building robust, resilient and defensively coded distributed systems, ideally leveraging technologies such as Kafka and an understanding of designing and operating RESTful APIs at scale, including versioning, observability, monitoring, and forward, backward compatibility Experience with event driven architectures, both orchestrated and choreographed is expected Experience working effectively ...

Software Engineer Backend

Location
Greater London, England, United Kingdom
with demonstrated experience developing backend applications and services. Strong proficiency in one or more backend programming languages and associated frameworks. Experience designing and developing RESTful APIs, microservices, or other serviceoriented applications. Solid understanding of software design principles, data structures, algorithms, and distributed systems concepts. Experience working with relational and/ ...

Backend Developer

Location
Greater London, England, United Kingdom
server-side application logic using modern backend languages (Node.js/Python/Go or equivalent modern stacks). Build out high-performance, well-documented RESTful and GraphQL API pipelines to serve responsive mobile and desktop client interfaces. Database & Data Infrastructure: Architect, index, and optimize relational and non-relational database layers ...

Principal Engineer (Gen AI and MACH Architecture)

Location
Greater London, England, United Kingdom
equivalent alternatives on AWS and Microsoft Azure; infrastructure design, security and operational ownership, and the ability to draw parallels across cloud providers. API design: RESTful and GraphQL APIs, contract‐first design, versioning, gateway patterns and integration across SaaS, CMS, DXP and MarTech stacks. Distributed systems and event‐driven architecture: messaging ...

Staff Software Engineer, Liquidity Management (C#/.NET) New London, UK

Location
Greater London, England, United Kingdom
expertise with C#/.NET Expert in relational databases (SQL Server ideally), including query optimization, indexing strategies, and data modeling Experience building and maintaining RESTful APIs and understanding when to use alternative patterns (GraphQL, gRPC, webhooks) WHO WE ARE: Do Your Best Work The opportunity to build in a fast ...

Senior Java Developer for Scalable Telecom BSS/OSS

Location
Greater London, England, United Kingdom
mentor juniors, and collaborate with architects and cross-functional teams to ensure robust, scalable systems. The role focuses on Java-based technologies, Spring Boot, RESTful APIs, microservices, and containerisation with Kubernetes/OpenShift, with responsibilities across Agile delivery and code quality. #J-18808-Ljbffr ...

Python Developer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 Daily
commercial experience with Python and Django Hands-on AWS experience covering services such as EC2, Lambda, RDS, S3 or ECS Experience building and consuming RESTful APIs Solid understanding of relational databases, ideally PostgreSQL Experience with automated testing and CI/CD Comfortable working in Agile delivery teams Desirable Previous central ...

Python Developer

Hiring Organisation
Brio Digital
Location
City of London, London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£500/day
commercial experience with Python and Django Hands-on AWS experience covering services such as EC2, Lambda, RDS, S3 or ECS Experience building and consuming RESTful APIs Solid understanding of relational databases, ideally PostgreSQL Experience with automated testing and CI/CD Comfortable working in Agile delivery teams Desirable Previous central ...

Senior Java Engineer

Location
Greater London, England, United Kingdom
practices and development automation. Strong understanding of software testing (unit, integration, component, end-to-end and performance testing). Strong understanding of backend development, RESTful APIs, microservices and distributed systems. Experience across the JVM ecosystem and comfortable working with live production systems. This is a Fixed Term Contact lasting ...

Senior Sybase & Python Developer

Location
Greater London, England, United Kingdom
practices while the new platform is builtMentor developers and raise the technical level of the team through code reviews and pair programmingDefine and consume RESTful APIs, clearly communicating requirements and constraints across teamsTranslate business and product requirements into robust technical solutionsApply clean code principles and contribute to continuous improvement ...

Frontend Engineer

Location
Greater London, England, United Kingdom
CICD workflow Experience creating end-to-end automation testing as part of a release framework using common industry tools (e.g. Selenium, Cypress, Playwright) Integrating RESTful APIs in frontend Applications Building and maintaining CICD pipelines Applied familiarity with industry tools, NodeJS, Git/GitHub, Jest/React testing Library. Key Requirements ...

Technical Lead - Backend (Java / Spring Boot)

Location
Greater London, England, United Kingdom
tools, avoiding reinventing existing solutions, and articulating intent clearly so AI accelerates good engineering rather than multiplying mediocre code. Tech stack Java (Spring Boot), RESTful APIs, Kafka/event‐driven services CI/CD pipelines, AWS (S3, Lambda, ECS, EKS, MSK) Kubernetes, containerisation, infrastructure as code AI integrations, agentic development ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
frontend Solid Node.js and Express.js experience on the backend Hands-on experience with AWS services (EC2, S3, Lambda, or similar) Experience designing and consuming RESTful APIs and working within a microservices architecture Comfort with Git-based workflows and CI/CD practices Active use of AI coding tools (Copilot, Cursor ...

Automation Test Software Engineer

Location
Greater London, England, United Kingdom
communication protocols. Experience testing physical products, embedded systems, or IoT devices. Strong understanding of software architecture, object-oriented design, and design patterns. Experience with RESTful APIs, web services, and backend system integration. Knowledge of automation infrastructure, test orchestration, and execution platforms. Experience using source control systems such as Git. Understanding ...

Principal Java Developer

Location
Greater London, England, 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 ...

Software Engineer III- JPM Personal Investing- Mid Level

Location
Greater London, England, United Kingdom
agile, dynamic and customer facing environment Recent experience with using a JVM language (Java/Scala/Kotlin, preferably Java 8+) Understanding of RESTful APIs and web technologies Understanding of relational databases Experience in all the stages of software development lifecycle (requirements, design, architecture, development, testing, deployment, release and support ...

Engineering Lead - Integration

Location
Greater London, England, United Kingdom
Looking For Significant software engineering experience, including technical leadership responsibilities. Strong hands-on experience with C#, .NET and Microsoft Azure. Experience building backend services, RESTful APIs and integration solutions. Strong knowledge of API-led, event-driven and asynchronous integration patterns. Experience designing scalable solutions across internal and third-party systems. ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
Engineer Proficiency working with TypeScript/JavaScript backend frameworks (Express, NestJS or similar) Comfortable writing backend code to be performant and efficient Experience building RESTful application interfaces and designing APIs Experience working as a part of a multi‐person development team that utilizes automated testing, CI/CD pipelines ...

Advanced Solutions Architect

Location
Greater London, England, United Kingdom
from C4 context and container diagrams through to component and sequence-level detail — that can be directly implemented by engineering teams Design and evolve RESTful and event-driven APIs using OpenAPI specifications, establishing contracts that support independent team delivery Architect integrations with third-party systems including payment providers, identity services ...

Senior Backend Software Engineer

Location
Greater London, England, United Kingdom
worked with Domain Driven Design, and Clean, or Hexagonal Architecture. Knowledge of AWS services (SQS, SNS, S3...), ElasticSearch, Redis, Docker, Kubernetes. Experience with Restful APIs. Proven ability to break down ambiguous technical tasks into clean, production-ready code independently, while acting as a supportive mentor and reliable sounding board ...

Senior Java Developer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
relational databases (e.g., Oracle, MySQL, PostgreSQL), ability to write complex joins, performance troubleshooting experience etc. Technical Skills:Proficiency in Java, Spring Framework, Hibernate, and RESTful APIs. Problem-Solving:Excellent analytical and problem-solving skills. Communication:Strong verbal and written communication skills. Team Player:Ability to work effectively in a collaborative ...

Advanced Solutions Architect

Location
Chiswick, England, United Kingdom
from C4 context and container diagrams through to component and sequence-level detail — that can be directly implemented by engineering teams* Design and evolve RESTful and event-driven APIs using OpenAPI specifications, establishing contracts that support independent team delivery* Architect integrations with third-party systems including payment providers, identity services ...

Full Stack AI Software Engineer (Junior / Mid Level)

Location
Greater London, England, United Kingdom
Junior/Mid Full Stack AI Engineer, you will: Spend 50%-60% of your time on full-stack web development. Develop RESTful APIs and server-side logic with Node.js. Integrate LLM APIs and manage databases, including vector databases. Spend 10% - 20% on DevOps, deploying and managing applications on AWS. Spend ...

Senior Director, Software Solutions, Data and Analytics

Location
Greater London, England, United Kingdom
years of Web Application development* Experience leading software teams* Experience leading Agile ceremoniesPreferred Qualifications* Familiarity with software development technologies including backend frameworks, frontend frameworks, RESTFul APIs, OOP, version control, automated testing, relational databases, programming, web servers and web development* Competency in IAM principles, SAML, Single Sign-On, authentication and authorization ...

.NET Developer

Location
Greater London, England, United Kingdom
above* Experience in design, development and maintenance of Single-Page Applications (SPAs) using React.js and integrating React-based front-end applications with .NET RESTful APIs and back-end services.* Working knowledge of Angular, HTML, CSS(LESS/SASS) and JavaScript* Experience with concurrent development source control and continuous integration ...