in C# and .NET Core for server-side development. Strong experience with React and modern JavaScript (ES6+), including state management libraries like Redux or Context API. Proven experience with RESTful API development and integrating third-party services. Solid understanding of SQL and NoSQL databases (e.g., SQL Server, MongoDB). Familiarity with front-end build tools, version control (Git), and CI More ❯
london (city of london), south east england, united kingdom
Trayport
in C# and .NET Core for server-side development. Strong experience with React and modern JavaScript (ES6+), including state management libraries like Redux or Context API. Proven experience with RESTful API development and integrating third-party services. Solid understanding of SQL and NoSQL databases (e.g., SQL Server, MongoDB). Familiarity with front-end build tools, version control (Git), and CI More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Reed.ai
on experience integrating AI tools, APIs, or platforms into software solutions. Domain experience in Recruitment Technology, HRTech, or closely related fields is a must. Proficient in software architecture, microservices, RESTful API design, and cloud-native development (AWS, Azure, or GCP preferred). Experience with CI/CD pipelines, automated testing, and DevOps practices. Solid grasp of security best practices, data More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Reed.ai
on experience integrating AI tools, APIs, or platforms into software solutions. Domain experience in Recruitment Technology, HRTech, or closely related fields is a must. Proficient in software architecture, microservices, RESTful API design, and cloud-native development (AWS, Azure, or GCP preferred). Experience with CI/CD pipelines, automated testing, and DevOps practices. Solid grasp of security best practices, data More ❯
City of London, England, United Kingdom Hybrid / WFH Options
CFP Energy (UK) Ltd
maintainable, and efficient code while adhering to coding standards and best practices. Participate in code reviews to ensure code quality and share knowledge with team members. Implement and maintain RESTful APIs for seamless communication between the frontend and backend. Troubleshoot, debug, and resolve software defects and issues in a timely manner. Stay updated on industry trends and technologies to contribute … a Full Stack Developer. Strong proficiency in .NET Core for backend development. Expertise in React for building modern and responsive user interfaces. Solid understanding of web development concepts, including RESTful APIs and asynchronous programming. Experience with database systems (MySql, MongoDB, PostgreSQL, etc.). Knowledge of front-end build tools and package managers (Webpack, npm, etc.). Excellent problem-solving skills More ❯
Strong knowledge of Go programming language, paradigms, constructs, and idioms. Familiarity with concurrent programming and building scalable applications. Experience with RESTful APIs and Web Services. Knowledge of SQL and NoSQL databases. Experience with cloud platforms (AWS, GCP, Azure) is a plus. Understanding of code versioning tools, such as Git. Experience with containerization technologies such as Docker and Kubernetes. Strong problem More ❯
london (city of london), south east england, united kingdom
Vallum Associates
Strong knowledge of Go programming language, paradigms, constructs, and idioms. Familiarity with concurrent programming and building scalable applications. Experience with RESTful APIs and Web Services. Knowledge of SQL and NoSQL databases. Experience with cloud platforms (AWS, GCP, Azure) is a plus. Understanding of code versioning tools, such as Git. Experience with containerization technologies such as Docker and Kubernetes. Strong problem More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Haystack
Assist with containerisation (Docker/Kubernetes). Support implementation of authentication systems (OAuth 2.0, Auth0, AWS Cognito). Gain exposure to security best practices (e.g., OWASP). Work on RESTful API design and consumption. Collaborate on version control practices using Git, documentation, and code reviews. Desired Skills: Passion for software development and continuous learning. Some frontend experience with JavaScript/ More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Haystack
Assist with containerisation (Docker/Kubernetes). Support implementation of authentication systems (OAuth 2.0, Auth0, AWS Cognito). Gain exposure to security best practices (e.g., OWASP). Work on RESTful API design and consumption. Collaborate on version control practices using Git, documentation, and code reviews. Desired Skills: Passion for software development and continuous learning. Some frontend experience with JavaScript/ More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Areti Group | B Corp™
maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Areti Group | B Corp™
maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. More ❯
City Of London, England, United Kingdom Hybrid / WFH Options
Hays
My client is an instantly recognisable consultancy who require a C# .Net Developer with .Net Core, RESTful web services, microservices and knowledge of building solutions in an Azure Containerised environment to join a business-critical GDS programme for a high profile client Key Requirements: Proven experience as a C# .Net Developer with working knowledge of a Government Digital Service (GDS … environment Strong knowledge and working use of .Net Core and RESTful web services. Recent experience developing Microservice based solutions Worked on object-oriented design patterns (OOAD etc) and design principles (kiss/solid etc) Prior use of RDBMS, e.g. Oracle, MySQL or Postgres Experience in Test-Driven Development (TDD), unit testing and unit testing frameworks Strong knowledge of version control More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hays Technology
My client is an instantly recognisable consultancy who require a C# .Net Developer with .Net Core, RESTful web services, microservices and knowledge of building solutions in an Azure Containerised environment to join a business-critical GDS programme for a high profile client Key Requirements: Proven experience as a C# .Net Developer with working knowledge of a Government Digital Service (GDS … environment Strong knowledge and working use of .Net Core and RESTful web services. Recent experience developing Microservice based solutions Worked on object-oriented design patterns (OOAD etc) and design principles (kiss/solid etc) Prior use of RDBMS, e.g. Oracle, MySQL or Postgres Experience in Test-Driven Development (TDD), unit testing and unit testing frameworks Strong knowledge of version control More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Hays
My client is an instantly recognisable consultancy who require a C# .Net Developer with .Net Core, RESTful web services, microservices and knowledge of building solutions in an Azure Containerised environment to join a business-critical GDS programme for a high profile client Key Requirements: Proven experience as a C# .Net Developer with working knowledge of a Government Digital Service (GDS … environment Strong knowledge and working use of .Net Core and RESTful web services. Recent experience developing Microservice based solutions Worked on object-oriented design patterns (OOAD etc) and design principles (kiss/solid etc) Prior use of RDBMS, e.g. Oracle, MySQL or Postgres Experience in Test-Driven Development (TDD), unit testing and unit testing frameworks Strong knowledge of version control More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Evermore
communication. Cloud & DevOps – Manage deployments, CI/CD pipelines, and cloud infrastructure (AWS, Azure, or equivalent). Database & API Management – Design efficient PostgreSQL and MongoDB schemas and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js … PostgreSQL, and MongoDB. Experience with Directus or other headless CMS solutions. Strong understanding of RESTful & GraphQL APIs. Proven experience in leading a development team and mentoring junior engineers. Hands-on experience with cloud platforms (AWS, Azure, or GCP) and DevOps practices. Agile development experience with CI/CD pipelines, Git, and containerisation (Docker). Desirable: Arabic language skills to support More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Evermore
communication. Cloud & DevOps – Manage deployments, CI/CD pipelines, and cloud infrastructure (AWS, Azure, or equivalent). Database & API Management – Design efficient PostgreSQL and MongoDB schemas and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js … PostgreSQL, and MongoDB. Experience with Directus or other headless CMS solutions. Strong understanding of RESTful & GraphQL APIs. Proven experience in leading a development team and mentoring junior engineers. Hands-on experience with cloud platforms (AWS, Azure, or GCP) and DevOps practices. Agile development experience with CI/CD pipelines, Git, and containerisation (Docker). Desirable: Arabic language skills to support More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Signify Technology
Strong expertise in Django framework Solid experience with SQL and/or PostgreSQL, including performance tuning and complex queries Prior experience in the FinTech industry is required Familiarity with RESTful API design and integration Understanding of data privacy, security standards, and regulatory compliance relevant to FinTech Experience with version control systems like Git Good communication skills and ability to work More ❯
and cloud platforms like AWS. Proficient in agile methods like sprints, pair programming, and test-driven development. Adaptable, thrives in fast-paced environments, and quickly learns new technologies. SQL, RESTful API design, and modern front-end frameworks (React/Angular) experience is a plus. More ❯
london (city of london), south east england, united kingdom
Alchemy Global Talent Solutions
and cloud platforms like AWS. Proficient in agile methods like sprints, pair programming, and test-driven development. Adaptable, thrives in fast-paced environments, and quickly learns new technologies. SQL, RESTful API design, and modern front-end frameworks (React/Angular) experience is a plus. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
SmartChoice International Limited
for a long-term project requiring strong technical capabilities, cloud proficiency, and collaborative development experience. Key Responsibilities Lead full stack development for a data analytics platform. Design and integrate RESTful APIs and optimize overall application performance. Manage and query databases using SQL and related tools. Collaborate in an Agile team environment with clear documentation and iterative development. Implement DevOps and … Required Skills & Experience Cloud Certification: AWS, Azure, or Google Cloud (with hands-on experience in developing cloud applications). Technical Skills: C#, JavaScript, Node.js SQL & Database Management API Development (RESTful) Version Control (Git) CI/CD Pipelines Testing Frameworks Platform Experience: Power Apps Power Automate Azure Functions Apigee Proxy SharePoint Online UI/UX & Data Visualization: Strong foundation in UX More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
SmartChoice International Limited
for a long-term project requiring strong technical capabilities, cloud proficiency, and collaborative development experience. Key Responsibilities Lead full stack development for a data analytics platform. Design and integrate RESTful APIs and optimize overall application performance. Manage and query databases using SQL and related tools. Collaborate in an Agile team environment with clear documentation and iterative development. Implement DevOps and … Required Skills & Experience Cloud Certification: AWS, Azure, or Google Cloud (with hands-on experience in developing cloud applications). Technical Skills: C#, JavaScript, Node.js SQL & Database Management API Development (RESTful) Version Control (Git) CI/CD Pipelines Testing Frameworks Platform Experience: Power Apps Power Automate Azure Functions Apigee Proxy SharePoint Online UI/UX & Data Visualization: Strong foundation in UX More ❯
Django/FastAPI/Flask) on the backend. Collaborate closely with data scientists, ML engineers, and product managers to integrate AI-driven features into the platform. Develop and maintain RESTful APIs and backend services to support core infrastructure and AI tools. Build and enhance dynamic frontend interfaces that deliver real-time insights and data visualisations. Work with large datasets and More ❯
london (city of london), south east england, united kingdom
Explore Group
Django/FastAPI/Flask) on the backend. Collaborate closely with data scientists, ML engineers, and product managers to integrate AI-driven features into the platform. Develop and maintain RESTful APIs and backend services to support core infrastructure and AI tools. Build and enhance dynamic frontend interfaces that deliver real-time insights and data visualisations. Work with large datasets and More ❯
experience. Technical Skills: Proficiency in Java and Spring Boot. Experience with frontend technologies such as HTML, CSS, JavaScript, and modern frameworks like React, Angular, or Vue.js. Strong understanding of RESTful APIs and web services. Experience with database technologies such as SQL, NoSQL, and ORM frameworks. Familiarity with automation tools and ML frameworks is a plus. Problem-Solving: Strong analytical and More ❯
