1 to 25 of 110 RESTful Jobs in London

Software Developer

Hiring Organisation
Information Tech Consultants
Location
Greater London, England, United Kingdom
Angular, or Vue.js . Database Management: Design and optimize schemas for relational ( PostgreSQL/MySQL ) and NoSQL databases. API Design: Build and consume secure RESTful APIs to integrate with internal and third-party services. Collaboration: Participate in code reviews, sprint planning, and daily stand-ups to ensure high-quality software ...

Full Stack Engineer

Hiring Organisation
Persistent Systems
Location
London Area, United Kingdom
/ML Integration: Work closely with Data Scientists to deploy and integrate ML models (including LLMs, Predictive Models, and NLP) into production environments via RESTful APIs. Database Management: Design and optimize schemas for both SQL (Oracle, PostgreSQL) and NoSQL, (MongoDB), Snowflake databases. Cloud & DevOps: Deploy applications using AWS or Azure ...

Web Developer - C#

Hiring Organisation
CV Screen Ltd
Location
Erith, Kent, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
Solid front-end skills including HTML5, CSS3 and JavaScript/TypeScript, plus a modern framework (e.g. React, Angular or Blazor) Experience with SQL databases, RESTful APIs and software testing practices Salary & Benefits Salary of £45,000 – £50,000 plus 25 days holiday plus bank holidays, hybrid working, pension scheme, private ...

Senior Developer

Hiring Organisation
Precise Placements
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £90,000 per annum
systems; •implement and maintain CI/CD pipelines, source control (Azure DevOps preferred), and automated testing; •integrate with APIs and third-party services using RESTful APIs, JSON, and XML-based protocols; •develop and maintain components using .NET technologies such as C# and ASP.NET where required; •establish and support the infrastructure ...

Web Developer - C

Hiring Organisation
CV Screen Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 - 50,000 Annual
Solid front-end skills including HTML5, CSS3 and JavaScript/TypeScript, plus a modern framework (e.g. React, Angular or Blazor) Experience with SQL databases, RESTful APIs and software testing practices Salary & Benefits Salary of £45,000 £50,000 plus 25 days holiday plus bank holidays, hybrid working, pension scheme, private ...

Web Developer - C

Hiring Organisation
CV Screen Ltd
Location
Belvedere, Colyers, Greater London, United Kingdom
Employment Type
Permanent
Salary
£45000 - £50000/annum Benefits
Solid front-end skills including HTML5, CSS3 and JavaScript/TypeScript, plus a modern framework (e.g. React, Angular or Blazor) Experience with SQL databases, RESTful APIs and software testing practices Salary & Benefits Salary of £45,000 – £50,000 plus 25 days holiday plus bank holidays, hybrid working, pension scheme, private ...

.Net Developer

Hiring Organisation
Wave Talent
Location
City of London, London, United Kingdom
working in production environments. Key Responsibilities Design, develop and maintain applications using C# and .NET/.NET Core Contribute to the development of RESTful APIs and backend services Work on the modernisation and refactoring of legacy .NET applications Collaborate with product managers, business analysts and QA to deliver high-quality ...

Senior Java Developer

Hiring Organisation
Vallum Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 per day
Your responsibilities: Design and develop web applications using Java (latest versions), Spring Boot, and AWS technologies. Architect and implement RESTful APIs for distributed enterprise-grade systems. Develop robust, scalable, and high-performance microservices leveraging Spring Boot and modern design patterns. Integrate and manage AWS services such as EC2, S3, Lambda ...

Senior Golang Developer - Kubernetes - Financial Services

Hiring Organisation
Rothstein Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 120,000 - 160,000 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 ...

Senior Software Engineer

Hiring Organisation
Cyber Guardian Consulting Group, LLC
Location
London Area, United Kingdom
office, it will transition to hybrid. What You'll Do Design, develop, and maintain API-based integrations with third-party platforms Build and maintain RESTful services, webhooks, and asynchronous workflows Troubleshoot integration failures, API errors, and data inconsistencies Work with external vendors and internal stakeholders to understand integration requirements Ensure ...

Principal Software Engineer

Hiring Organisation
Verifone
Location
City of London, London, United Kingdom
architecture and cross‐service design decisions Strong understanding of security, authentication flows, and data protection in distributed systems API & Data Design and governance of RESTful APIs, JSON, and HTTP standards API versioning and backward‐compatibility strategies MongoDB/NoSQL expertise, including: Data modeling Indexing strategies Performance optimization Advanced experience with ...

Junior Systems Engineer

Hiring Organisation
Open Answers
Location
Harrow, Greenhill, Greater London, United Kingdom
Employment Type
Permanent
Salary
£30000 - £35000/annum
automation Ability to program in at least one compiled language: C, C++, Java, .NET family Windows administration and troubleshooting Understanding of XML, SOAP and RESTful API concepts Cloud experience eg AWS EC2, Azure, Google, Oracle Working with a continuous build environment such as Jenkins Contributing to your own open-source ...

Python Developer

Hiring Organisation
Radley James
Location
City of London, London, 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 ...

Senior SharePoint Developer & Administrator

Hiring Organisation
Ryder Reid Legal
Location
City of London, London, United Kingdom
APIs. Develop and maintain SharePoint Online intranet structures including architecture, navigation, branding, and content design. Integrate SharePoint with internal systems and thirdparty platforms using RESTful APIs and Microsoft Graph. SharePoint Administration & Operations Administer both SharePoint SE (onprem) and SharePoint Online environments. Manage updates, cumulative patches and platform maintenance. Monitor performance ...

Senior Software Engineer (React Native) - UCX

Hiring Organisation
Hargreaves Lansdown
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
maintain a high-quality React Native application. Architect scalable mobile solutions that meet the demands of financial applications (security, performance, reliability). Integrate with RESTful and GraphQL APIs and collaborate closely with backend teams. Optimize app performance, including memory usage, load times, and smooth UI interactions. Implement high-security standards ...

C#/.Net Developer

Hiring Organisation
Xcede
Location
City of London, London, United Kingdom
within a modern Azure-based microservices architecture. Key Responsibilities Design, develop, and maintain backend services using C# and .NET Build and enhance microservices and RESTful APIs Develop cloud-native solutions using Microsoft Azure (App Services, Functions, Azure SQL, Service Bus) Implement CI/CD pipelines using Azure DevOps Ensure solutions ...

Senior Outlook Add-in Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
TypeScript, HTML, and CSS Deep understanding of Microsoft 365, Exchange Online, and the behavioral differences between Outlook clients Experience integrating with Microsoft Graph, RESTful APIs, and modern authentication methods (OAuth/Azure AD) Nice to have: Exposure to CI/CD pipelines, Git-based version control, and automated testing practices ...

Test Automation Specialist

Hiring Organisation
83zero
Location
City of London, London, United Kingdom
activities Technology Exposure You will gain experience across a broad technical landscape, including but not limited to: Java, JavaScript, Node.js, Kotlin Spring Boot and RESTful microservices Selenium, Playwright, Cucumber, REST testing NoSQL databases Git-based version control systems Your Profile Essential experience: ISTQB Foundation certification (or equivalent experience) Strong experience ...

Senior Java Developer (Low-Latency Payments Systems)

Hiring Organisation
RE Partners
Location
London Area, 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 ...

Senior Backend Developer - Fintech & Payment Orchestration(High-Risk Payments, iGaming & Fintech)

Hiring Organisation
Payomatix Technologies
Location
London, UK
Employment Type
Full-time
high-volume and high-risk transactions globally. Key Responsibilities Architecture & Development Design scalable microservices architecture for payment routing and orchestration. Develop and maintain secure RESTful APIs for PSP and bank integrations. Implement high-availability systems for transaction processing. Optimize real-time transaction routing logic for maximum approval rates. Payment Integrations ...

Software Engineer (React Native) - UCX

Hiring Organisation
Hargreaves Lansdown
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
shaping the evolution of our mobile technology stack. What You'll Do Build and maintain a high-quality React Native application. Integrate with RESTful and GraphQL APIs. Diagnose, debug, and resolve issues across the mobile stack, ensuring a smooth and reliable user experience. Participate in code reviews, offering constructive feedback ...

Senior Software Engineer

Hiring Organisation
Ryft
Location
London, UK
Employment Type
Full-time
control Familiarity with NoSQL databases AWS experience Experience with CI/CD tools (e.g., Github) Nice to Have Experience with microservices architecture Familiarity with RESTful APIs Exposure to Docker or Kubernetes Experience with React or Native App development If you're excited about working in a fast-paced, collaborative environment ...

Senior Python Developer

Hiring Organisation
Hireful
Location
North West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
will champion engineering excellence, define best practices, inspire and mentor developers, and keep innovation at the heart of everything you do – from microservices and RESTful APIs to CI/CD pipelines and containerised deployments. With a strong background in Python development and deep knowledge of AWS, containers and automation ...

Nodejs Developer

Hiring Organisation
Explore Group
Location
London Area, United Kingdom
applications using Node.js and backend technologies. Strong proficiency in JavaScript/TypeScript and backend frameworks like Express.js . Familiarity with designing and working with RESTful APIs and microservices architecture. Experience with database technologies like MongoDB , PostgreSQL , and MySQL . Experience working with cloud platforms (e.g., AWS , Azure , or GCP ). ...

Office.js Developer (Outlook)

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£500 - £550 per day
TypeScript, HTML, and CSS Deep understanding of Microsoft 365, Exchange Online, and the behavioral differences between Outlook clients Experience integrating with Microsoft Graph, RESTful APIs, and modern authentication methods (OAuth/Azure AD) Nice to have: Exposure to CI/CD pipelines, Git-based version control, and automated testing practices ...