1 to 25 of 81 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 Software Engineer

Hiring Organisation
JSS
Location
City of London, London, United Kingdom
. Deep understanding of core software engineering principles, including design patterns, modular architecture, and maintainable, testable code. Proven ability to design, build, and evolve RESTful APIs and microservices, with a focus on performance, scalability, and reliability. Experience leading the architecture of end-to-end systems, spanning frontend, backend, and data ...

Junior Python Developer

Hiring Organisation
Information Tech Consultants
Location
City of London, London, United Kingdom
takes pride in shipping secure, observable, well-tested software .Key Responsibilitie sStrong hands on experience in Python, Tableau & Data Mining experience .Design and build RESTful APIs with FastAPI — routing, request/response validation, dependency injection, middleware, and auto-generated OpenAPI documentation .Develop relational data models with SQLAlchemy (async) and manage ...

Python Developer

Hiring Organisation
Information Tech Consultants
Location
Greater London, England, United Kingdom
takes pride in shipping secure, observable, well-tested software .Key Responsibilitie sStrong hands on experience in Python, Tableau & Data Mining experience .Design and build RESTful APIs with FastAPI — routing, request/response validation, dependency injection, middleware, and auto-generated OpenAPI documentation .Develop relational data models with SQLAlchemy (async) and manage ...

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 ...

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 ...

Software Engineer (backend)

Hiring Organisation
Primis
Location
London Area, United Kingdom
backend focusProficiency in backend technologi es - Python (FastAPI, Django, or F lask) is preferred; Node.js, Java, or Go also consi deredStrong understandin g of RESTful APIs, database design, and data modelling (SQL and N oSQL)Experience with containerisation and orchestration (Docker, Kubernetes) and cloud platforms (AWS prefe rred)Proficiency ...

Senior Software Engineer .Net

Hiring Organisation
Apprize Technology Solutions
Location
London Area, United Kingdom
stack software engineering experience with strong proficiency in at least two languages such as Python, TypeScript, C#, or Node.js Must have solid expertise in RESTful APIs, microservices, cloud-native development (Azure preferred), Docker/Kubernetes, and CI/CD pipelines Expected to design, build and own end-to-end technical ...

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 ...

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 ...

Python Developer

Hiring Organisation
Radley James
Location
London Area, United Kingdom
/NoSQL databases. Proven experience working in fast-paced environments, ideally within trading, financial services, or high-frequency environments. Proficiency in developing RESTful APIs, microservices, and working with cloud-based architectures (AWS, GCP, or similar). Expertise in testing frameworks, CI/CD, and containerization technologies such as Docker ...

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 ...

Python Developer

Hiring Organisation
Spait Infotech
Location
City of London, London, United Kingdom
Responsibilities Design, develop, test, and maintain Python-based applications. Develop RESTful APIs and backend services. Write clean, efficient, and reusable code. Integrate applications with databases, third-party APIs, and cloud services. Debug, troubleshoot, and optimize application performance. Collaborate with cross-functional teams to define and implement new features. Participate ...

Specialised Engineer – HCL Commerce

Hiring Organisation
Vallum Associates
Location
London Area, United Kingdom
platform improvements Essential Skills & Experience Strong hands-on experience with HCL Commerce/IBM WebSphere Commerce architecture Proficiency in Java, J2EE, GraphQL, and RESTful APIs Experience with Spring/Spring Boot backend development Strong knowledge of relational databases, particularly Oracle Experience with tools such as Eclipse, RAD, Git, Splunk, Dynatrace ...

Software Developer

Hiring Organisation
X4 Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
implementing microservices and distributed systems. Familiarity with messaging technologies such as RabbitMQ, Kafka, Azure Service Bus, or similar platforms. Strong experience developing and consuming RESTful Web APIs. Understanding of API gateway and API Management technologies. SQL Server database development experience. Experience with ORM frameworks, ideally Entity Framework. Exposure to NoSQL ...

Senior Java Developer (Low-Latency Payments Systems)

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

DevSecOps Developer

Hiring Organisation
Sky
Location
TW75QD, Syon, Greater London, United Kingdom
Employment Type
Permanent
risks Experience developing and supporting cloud-native applications using Python, JavaScript, and/or PHP within AWS-based environments Familiarity with designing and integrating RESTful APIs, backend services, and event-driven architectures Experience integrating security, testing, and automation controls into CI/CD pipelines and software delivery workflows Hands ...

Senior Python Engineer

Hiring Organisation
Levy Global
Location
City of London, London, United Kingdom
Working across the full software development lifecycle in an agile environment Collaborating with Product Managers and stakeholders to shape technical solutions Building and integrating RESTful APIs Contributing to architecture decisions and technical best practices Mentoring engineers and supporting team growth Ensuring systems are reliable, scalable, secure, and maintainable What ...

Lead Software Engineer

Hiring Organisation
Harrington Starr
Location
London Area, United Kingdom
resilient, scalable systems that automate complex operational workflows. Key responsibilities: Architect, develop, and maintain scalable backend systems using Node.js and TypeScript Design and build RESTful APIs, microservices, and event-driven architectures Integrate backend services with AI/LLM workflows and automation systems Build reliable data pipelines, background jobs, and operational ...

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 ...

Blockchain Developer

Hiring Organisation
eTeam
Location
City of London, London, United Kingdom
platforms (Ethereum, GoQuorum, Hyperledger Besu, Corda). Implement asset tokenization, on-chain/off-chain data models, and blockchain transaction workflows. Develop and integrate RESTful APIs and microservices (Node.js/Java) to interact with smart contracts. Ensure security, performance, and scalability of smart contracts and blockchain applications. Collaborate with architects ...

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 ...