31 to 55 of 57 RESTful Jobs in London

Site Reliability Engineer

Hiring Organisation
JAM Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£700 - £750 per day
engage and collaborate with a wide range of stakeholders. Preferred: Experience with CI/CD pipelines using tools such as GitLab. Familiarity with RESTful APIs and system integration. Experience managing Windows IIS servers. Experience using Atlassian tools (Jira, Confluence) to support Agile development and documentation practices. Knowledge of Keycloak, Grafana ...

Java Developer

Hiring Organisation
Denizns Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400/day
client is looking for an experienced Java Developer with active SC clearance . You'll join their team to design, build and maintain RESTful and SOAP microservices using Spring Boot in an Agile environment. As a Java Developer, you will be responsible for designing, developing, and maintaining high-quality Java …/DV clearance or must be eligible and willing to go through SC/DV clearance. What you'll do Design, develop and deploy RESTful and SOAP microservices using Spring Boot Work with cross-functional teams to analyse requirements and deliver features Write clean, well-documented code following SOLID principles ...

Senior Java Developer

Hiring Organisation
Avanti Recruitment
Location
EC1, Farringdon, Greater London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum
developers, architects and project managers to deliver robust, scalable and maintainable solutions. Responsibilities will include: Designing and developing Java and Spring Boot applications. Developing RESTful APIs and microservices. Building and enhancing frontend functionality. Working with relational databases and SQL. Contributing to technical architecture and design discussions. Modernising existing applications … with an established international engineering team. Essential Skills & Experience Strong commercial development experience with Java and Spring Boot. Hands-on experience designing and developing RESTful APIs and microservices. Genuine commercial frontend development experience using Angular, React or Vue.js. Good understanding of relational databases, including writing and troubleshooting SQL queries. Strong ...

Senior Fullstack Java Developer

Hiring Organisation
Avanti Recruitment
Location
EC1, Farringdon, Greater London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum
developers, architects and project managers to deliver robust, scalable and maintainable solutions. Responsibilities will include: Designing and developing Java and Spring Boot applications. Developing RESTful APIs and microservices. Building and enhancing frontend functionality. Working with relational databases and SQL. Contributing to technical architecture and design discussions. Modernising existing applications … with an established international engineering team. Essential Skills & Experience Strong commercial development experience with Java and Spring Boot. Hands-on experience designing and developing RESTful APIs and microservices. Genuine commercial frontend development experience using Angular, React or Vue.js. Good understanding of relational databases, including writing and troubleshooting SQL queries. Strong ...

Java Fullstack

Hiring Organisation
CSi Global Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £450/day
stack applications using Java, Spring Boot, and modern front-end frameworks Implement backend services using Java, Spring Boot, and related technologies. Develop and consume RESTful APIs and ensure seamless integration between front-end and back-end components. Work with AWS services such as EC2, Lambda, S3, RDS, API Gateway ...

Front End React Developer

Hiring Organisation
Ascend Consulting
Location
NW7, Mill Hill, Greater London, United Kingdom
Employment Type
Permanent
Salary
£45000 - £80000/annum Great Benefits
model Experience developing with typescript Thorough understanding of React.js and its core principles Experience with Redux and RTK (RTKQuery also a bonus) Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools (Github actions a bonus) Experience ...

C# Developer - Asset Manager

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
comfortable with AI, they use Claude Experience with any of the following would be great but not essential: React, SQL Server, Snowflake, Kubernetes, AWS, RESTful APIs What's in it for you: As a C# Developer/Backend Software Engineer you will receive a competitive package: Salary to £100k + ...

Senior AI Engineer - Perm - London

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
Architect cloud-native backend systems and distributed AI services. Collaborate closely with Data Scientists to productionise Machine Learning and NLP models. Develop high-performance RESTful APIs and microservices for AI model serving. Drive system reliability, monitoring, observability and performance optimisation. Champion engineering best practices including CI/CD, automated testing … Backend Engineering or Data Engineering. Expert-level Python development experience. Experience productionising Machine Learning, NLP or Generative AI models. Strong experience designing and building RESTful APIs and microservices using frameworks such as FastAPI , Flask or Django . Strong SQL skills with experience designing performant relational database solutions. Commercial experience with ...

Senior Flutter Engineer

Hiring Organisation
Rullion Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£650 - £750 per day
technical discussions and provide guidance to other developers. Optimise application performance, reliability, and security. Participate in code reviews and champion engineering best practices. Integrate RESTful APIs and third-party services. Support CI/CD pipelines and automated testing processes. Opportunity to work on innovative mobile products. Collaborative and highly skilled ...

Backend Software Engineer - Product Eligibility

Hiring Organisation
Wise
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
68000 to 87500 GBP Annually
have experience working with relational and non-relational databases, query optimisation and designing schemas You have experience in designing, deploying and maintaining clean RESTful APIs You believe in and follow best coding practices, code reviews and open feedback You enjoy writing testable code and believe in Test Driven Development Nice ...

Lead Platform Engineer

Hiring Organisation
Searchability (UK) Ltd
Location
London, United Kingdom
Employment Type
Permanent
technical direction of real projects and you're ready to own more. Deep expertise in Node.js and NestJS, with strong experience designing and building RESTful APIs and microservice-based systems. Frontend and Next.js experience is ideal too. A real focus on agentic AI. You've built with LLMs and agents ...

iSO Engineer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£425 - £500/day - Hybrid / Inside IR35
UIKit, and SwiftUI Solid knowledge of Core Data, Core Animation, Core Location, AVFoundation Strong understanding of MVC, MVVM, VIPER, or Clean Architecture Proficiency in RESTful APIs, JSON/XML, and third-party integrations Experience with Push Notifications, Background Tasks, App Lifecycle Management Version control with Git/GitHub/GitLab ...

Full Stack Software Developer

Hiring Organisation
DCV Technologies Limited
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £450 per day Hybrid / Inside IR35
design and deliver intuitive, high-performance software solutions. Write clean, maintainable, and efficient code following software engineering best practices. Design, develop, and integrate RESTful APIs and backend services. Troubleshoot, debug, test, and optimize applications to ensure reliability, performance, and scalability. Participate in code reviews and contribute to engineering standards … . Extensive experience with Spring Framework and Spring Boot . Strong understanding of MVC architecture , design patterns, and dependency injection. Experience building and maintaining RESTful APIs . Frontend Development Strong knowledge of HTML5, CSS3, and JavaScript (ES6+) . Commercial experience building applications with React.js . Experience with component-based architecture ...

Cyber Security Specialist Security Connector

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day
Standard Working hours. Key skills/knowledge/experience : Broad knowledge of modern Enterprise technologies including Cloud and AI. Exposure to contemporary architectures e.g. RESTful APIs and containerised microservices. Up-to date on emerging threats and experienced with threat modelling frameworks e.g. STRIDE/MITRE ATT&CK. Significant knowledge ...

Implementation Engineer

Hiring Organisation
Dwellant
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
prompted. EXPERIENCE THAT HELPS Hands-on experience with data migration, ETL processes and scripting (e.g., SQL, Python or similar). Setting up and supporting RESTful API integrations, webhooks and authentication flows. Working in a SaaS implementation or customer-facing technical role within a product-led company. Building reports and dashboards ...

Full Stack Engineer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day Hybrid / Inside IR35
design and deliver intuitive, high-performance software solutions. • Write clean, maintainable, and efficient code following software engineering best practices. • Design, develop, and integrate RESTful APIs and backend services. • Troubleshoot, debug, test, and optimize applications to ensure reliability, performance, and scalability. • Participate in code reviews and contribute to engineering standards … Python. • Extensive experience with Spring Framework and Spring Boot. • Strong understanding of MVC architecture, design patterns, and dependency injection. • Experience building and maintaining RESTful APIs. Frontend Development • Strong knowledge of HTML5, CSS3, and JavaScript (ES6+). • Commercial experience building applications with React.js. • Experience with component-based architecture and state management ...

Technical Solutions Engineer

Hiring Organisation
Run-Time Group Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
customers and partners About You Experience in Solutions Engineering, Presales, Solution Consulting or Technical Consulting within a SaaS environment Strong knowledge of APIs, RESTful services and systems integration SQL and database knowledge Excellent communication and presentation skills Ability to engage with both technical and business audiences Strong organisational and project ...

Solutions Engineering Lead

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
high performing technical delivery team. Experience building and designing scalable and performing systems within a microservice architecture Expert on all things API, such as RESTful design, OpenAPI, OAuth2, versioning, etc. Have a strong product mindset and be able to support others to make the right decisions and compromises. Comfortable working ...

Infrastructure & Access Management Architect

Hiring Organisation
Mayer Brown International LLP
Location
Greater London, United Kingdom
Employment Type
Full Time
protocols: OpenID Connect, SAML, OAuth, Kerberos, LDAP. Hands-on RBAC design, entitlement management, and automated provisioning/de-provisioning pipelines. Proficiency with PowerShell and RESTful integrations for identity automation and compliance checks. Familiarity with NDR and Micro-Segmentation patterns; understanding of network topologies and their interplay with IAM. Experience hardening ...

Software Engineer

Hiring Organisation
VIQU IT
Location
London, Cornhill, United Kingdom
Employment Type
Permanent
Salary
£43000 - £50000/annum
environment. Key Responsibilities of the Software Engineer: Design, develop and maintain scalable backend applications and services using Java and Spring Boot Build and maintain RESTful APIs to support business-critical systems and applications Contribute to frontend development using Vue.js and develop applications and services using Node.js Deliver software solutions across … experience in Software Engineering, developing and delivering production-grade applications Strong backend development experience using Java and Spring Boot Demonstrable experience designing and developing RESTful APIs and scalable backend services Experience working with Node.js to develop and maintain applications or services Exposure to frontend technologies, ideally Vue.js Good understanding ...

Senior .Net Developer

Hiring Organisation
Ascend Consulting
Location
NW7, Mill Hill, Greater London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £85000/annum
required with expertise in Visual Basic .NET, C#, SQL Server, and SAP Business One integration. The ideal candidate should have strong skills in RESTful API development, database optimization, and Azure DevOps pipeline management. Knowledge of API security, CI/CD automation, and Swagger documentation is recommended. Responsibilities API Development : Build … maintain RESTful APIs in VB.NET and C#, integrating with SQL Server and SAP Business One backend tables Database Management : Write optimized SQL queries, stored procedures, and indexing strategies to efficiently handle large datasets Performance Optimization : Monitor and enhance API performance, database query execution, and application scalability Documentation : Maintain clear ...

Lead Full Stack Engineer (Golang Focus)

Hiring Organisation
Pertemps London
Location
United Kingdom, Holborn and Covent Garden, Greater London
Employment Type
Permanent
Salary
£70000/annum
enabling engineers to focus on delivering quality solutions at speed. Key Responsibilities Design, develop and maintain scalable backend applications using GoLang. Build and enhance RESTful APIs and microservices that support core platform functionality. Contribute to system architecture and technical design decisions. Optimise application performance, reliability and scalability. Troubleshoot, debug … Support deployment, monitoring and ongoing performance improvements across backend systems. Required Experience Strong commercial experience developing applications in GoLang. Proven experience building and maintaining RESTful APIs and backend services. Experience designing and working within microservices-based architectures. Solid understanding of software engineering principles and design patterns. Experience working with ...

iOS Developer

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £420 per day + Inside IR35
exceptional user experience. Transform business and technical requirements into robust application functionality. Contribute to application architecture and technical design decisions. Integrate mobile applications with RESTful APIs and backend services. Software Engineering Write clean, maintainable, and testable code following industry best practices. Perform code reviews and provide constructive technical feedback. Troubleshoot … Mobile Architecture Experience implementing: MVVM MVC Clean Architecture Knowledge of dependency injection patterns. Understanding of reusable component-based development. API & Data Integration Experience consuming RESTful APIs. JSON parsing and data mapping. Authentication mechanisms including OAuth and JWT. Knowledge of asynchronous programming techniques. Data Storage Experience with: Core Data SQLite UserDefaults ...

Lead Platform Engineer

Hiring Organisation
FBI &TMT
Location
London, United Kingdom
Employment Type
Permanent
fast-paced environment. The role is available from a London office or remotely. Key Responsibilities: Architect, design and build scalable backend systems and RESTful APIs from initial concept through to production. Develop and maintain microservice and event-driven architectures supporting real-time operational workflows. Lead a small team of engineers … software engineering experience, ideally within AI, SaaS, automation or other technology platforms. Strong expertise in Node.js and NestJS, with experience designing and building RESTful APIs and microservice-based systems. Practical knowledge of Kubernetes and Google Cloud Platform (GCP). Experience with API testing, automated testing and maintaining high standards ...

Senior Frontend Developer

Hiring Organisation
Rullion Managed Services
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650/day
appropriate. Work with version control systems like Git and ensure continuous integration and deployment processes are followed. Collaborate with back-end developers to integrate RESTful APIs and handle data flow effectively. Knowledge and Skills: Demonstrated expertise as a Senior Backend Developer. Proven experience in React.js, and TypeScript development. Strong understanding … JavaScript and modern front-end technologies. Experience with state management libraries like Redux, Recoil, or similar. Familiarity with RESTful APIs Experience with version control systems, such as Git. Solid understanding of web development fundamentals: HTML, CSS, and responsive design. Strong debugging skills and the ability to troubleshoot performance issues. Ability ...