oriented with a mindset geared toward continuous improvement. •Able to prioritize and manage multiple projects simultaneously in a dynamic environment. Technical Skills: • API Development: •Proven experience designing and building RESTful APIs and services at scale. •Experience with authentication, authorization, and secure API communication (OAuth2, JWT, etc.). •Familiarity with API gateways, microservice architecture, and asynchronous messaging patterns (e.g., queues, event More ❯
london (city of london), south east england, united kingdom
BAE Systems
oriented with a mindset geared toward continuous improvement. •Able to prioritize and manage multiple projects simultaneously in a dynamic environment. Technical Skills: • API Development: •Proven experience designing and building RESTful APIs and services at scale. •Experience with authentication, authorization, and secure API communication (OAuth2, JWT, etc.). •Familiarity with API gateways, microservice architecture, and asynchronous messaging patterns (e.g., queues, event More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Areti Group | B Corp™
+ backend + API) from design to production deployment . Hands-on with TypeScript , React , Node/Express , SQL/PostgreSQL , Docker , CI/CD . Building and consuming RESTful APIs ; JSON schemas; integration testing. Comfortable in AWS and modern Infrastructure-as-Code approaches. Strong engineering fundamentals: code reviews, testing, observability, performance tuning . Security Clearance: Active SC or DV More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Areti Group | B Corp™
+ backend + API) from design to production deployment . Hands-on with TypeScript , React , Node/Express , SQL/PostgreSQL , Docker , CI/CD . Building and consuming RESTful APIs ; JSON schemas; integration testing. Comfortable in AWS and modern Infrastructure-as-Code approaches. Strong engineering fundamentals: code reviews, testing, observability, performance tuning . Security Clearance: Active SC or DV More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Lorien
Experience with FX trading systems , ideally in investment banking or financial services. Solid understanding of trade lifecycle , pricing , and risk management . Familiarity with FIX protocol , MQ messaging , and RESTful APIs . Experience with SQL databases and data modelling. Knowledge of DevOps practices , CI/CD pipelines, and version control tools (e.g., Git). Excellent problem-solving and communication skills. More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Lorien
Experience with FX trading systems , ideally in investment banking or financial services. Solid understanding of trade lifecycle , pricing , and risk management . Familiarity with FIX protocol , MQ messaging , and RESTful APIs . Experience with SQL databases and data modelling. Knowledge of DevOps practices , CI/CD pipelines, and version control tools (e.g., Git). Excellent problem-solving and communication skills. More ❯
Python, Go, JavaScript/TypeScript Strong experience with frameworks and tools including Spring Boot, React, Node.js, Docker, Kubernetes, and Terraform Deep understanding of modern architecture patterns such as microservices, RESTful APIs, event-driven systems, and clean architecture Experience leading teams in agile delivery environments, ensuring a balance between speed and quality Familiarity with AWS, Azure, and OpenShift, and strong Infrastructure More ❯
london (city of london), south east england, united kingdom
Damia Group
Python, Go, JavaScript/TypeScript Strong experience with frameworks and tools including Spring Boot, React, Node.js, Docker, Kubernetes, and Terraform Deep understanding of modern architecture patterns such as microservices, RESTful APIs, event-driven systems, and clean architecture Experience leading teams in agile delivery environments, ensuring a balance between speed and quality Familiarity with AWS, Azure, and OpenShift, and strong Infrastructure More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Stott and May
oriented programming and design patterns. Experience with Spring Framework (Spring Boot, Spring MVC, Spring Data) . Experience with relational databases (e.g., MySQL, PostgreSQL) and writing SQL queries. Knowledge of RESTful API development and integration. Familiarity with version control systems, preferably Git . Understanding of Agile/Scrum methodologies. Desirable Skills: Experience with cloud platforms (AWS, Azure, or GCP). Knowledge More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Stott and May
oriented programming and design patterns. Experience with Spring Framework (Spring Boot, Spring MVC, Spring Data) . Experience with relational databases (e.g., MySQL, PostgreSQL) and writing SQL queries. Knowledge of RESTful API development and integration. Familiarity with version control systems, preferably Git . Understanding of Agile/Scrum methodologies. Desirable Skills: Experience with cloud platforms (AWS, Azure, or GCP). Knowledge More ❯
/JavaScript, HTML, and CSS . Proven experience with C#, .NET Core , and SQL-based databases . Understanding of Design Patterns and SOLID principles . Experience designing and consuming RESTful APIs . Familiarity with Azure or other cloud platforms and configuration management. Experience with Agile/SCRUM methodologies and modern CI/CD practices. Why Join? Bootstrapped success story - with More ❯
london (city of london), south east england, united kingdom
Impala Search
/JavaScript, HTML, and CSS . Proven experience with C#, .NET Core , and SQL-based databases . Understanding of Design Patterns and SOLID principles . Experience designing and consuming RESTful APIs . Familiarity with Azure or other cloud platforms and configuration management. Experience with Agile/SCRUM methodologies and modern CI/CD practices. Why Join? Bootstrapped success story - with More ❯
City of London, London, United Kingdom Hybrid / WFH Options
develop
development of scalable backend systems and web applications while learning from experienced mentors. Your responsibilities will include: Developing backend functionality using .NET 6/7 (C#) Building and consuming RESTful APIs and integrating with databases Working with AWS services as part of a cloud-first environment Supporting the development and maintenance of microservices Writing clean, maintainable, and well-tested code More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
develop
development of scalable backend systems and web applications while learning from experienced mentors. Your responsibilities will include: Developing backend functionality using .NET 6/7 (C#) Building and consuming RESTful APIs and integrating with databases Working with AWS services as part of a cloud-first environment Supporting the development and maintenance of microservices Writing clean, maintainable, and well-tested code More ❯
City Of London, England, United Kingdom Hybrid / WFH Options
Bondaval
a senior/lead, you will have built and designed distributed systems and scalable architectures. Experience with relational databases (Postgres) and NoSQL databases (MongoDB, Redis, Cassandra). Experience with RESTful API design and integration. Familiarity with front-end frameworks (VueJS, React, or Angular). Good knowledge of source control (Git) and CI/CD tools. Understanding of infrastructure and deployment More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Bondaval
a senior/lead, you will have built and designed distributed systems and scalable architectures. Experience with relational databases (Postgres) and NoSQL databases (MongoDB, Redis, Cassandra). Experience with RESTful API design and integration. Familiarity with front-end frameworks (VueJS, React, or Angular). Good knowledge of source control (Git) and CI/CD tools. Understanding of infrastructure and deployment More ❯
Experience: Must-haves to be successful in this role: Strong experience writing backend services in Go. Proficiency in React and modern JavaScript/TypeScript. Solid understanding of microservices architecture, RESTful APIs, and service-to-service communication. Experience working with cloud infrastructure (e.g. AWS, GCP or Azure). Strong grasp of software engineering fundamentals: testing, documentation, performance, reliability. Excellent communication and More ❯
london (city of london), south east england, united kingdom
Xapien
Experience: Must-haves to be successful in this role: Strong experience writing backend services in Go. Proficiency in React and modern JavaScript/TypeScript. Solid understanding of microservices architecture, RESTful APIs, and service-to-service communication. Experience working with cloud infrastructure (e.g. AWS, GCP or Azure). Strong grasp of software engineering fundamentals: testing, documentation, performance, reliability. Excellent communication and More ❯
programming using Golang. This includes knowledge of database (MongoDB) access patterns (e.g., Optimistic Concurrency Control - OCC) and schema design, domain-driven architecture, and concurrency. Proven experience developing production-grade RESTful APIs ideally with an API-first approach. Some proficiency in JavaScript/TypeScript-based frontend development, with extensive expertise in React. This includes a deep understanding of the DOM, component More ❯
london (city of london), south east england, united kingdom
Safe Intelligence
programming using Golang. This includes knowledge of database (MongoDB) access patterns (e.g., Optimistic Concurrency Control - OCC) and schema design, domain-driven architecture, and concurrency. Proven experience developing production-grade RESTful APIs ideally with an API-first approach. Some proficiency in JavaScript/TypeScript-based frontend development, with extensive expertise in React. This includes a deep understanding of the DOM, component More ❯
such as Redux. Experience with version control systems, such as Git. Experience with the Web Content Accessibility Guidelines. Knowledge of responsive web design principles and CSS frameworks. Understanding of RESTful APIs and asynchronous data retrieval. Experience with unit testing. Strong problem-solving and debugging skills. Excellent teamwork and communication skills. Attention to detail and an eye for design and user More ❯
Python for backend development. ● Experience with modern frontend frameworks (e.g., React, Vue, Angular). ● Solid understanding of database technologies (e.g., PostgreSQL, MySQL) and data modeling. ● Experience designing and building RESTful APIs. ● Experience with cloud platforms (e.g., AWS, GCP, Azure) and containerization (e.g., Docker). ● Proven ability to architect and deliver complex features end-to-end. ● Excellent problem-solving skills and More ❯
london (city of london), south east england, united kingdom
Red Badger
Python for backend development. ● Experience with modern frontend frameworks (e.g., React, Vue, Angular). ● Solid understanding of database technologies (e.g., PostgreSQL, MySQL) and data modeling. ● Experience designing and building RESTful APIs. ● Experience with cloud platforms (e.g., AWS, GCP, Azure) and containerization (e.g., Docker). ● Proven ability to architect and deliver complex features end-to-end. ● Excellent problem-solving skills and More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Noir
desktop development (C#.NET). My client can provide training in: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, WPF, MVVM, Prism, continuous integration, dependency injection, RESTful, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is a fantastic opportunity to join a prestigious consulting firm that can offer you a More ❯
engineering, or a related field •Proficiency in React.js and its core principles •Strong JavaScript, TypeScript HTML5, and CSS3 skills •Experience with popular React.js workflows (such as Redux) •Familiarity with RESTful APIs and integration •Knowledge of modern authorization mechanisms, such as JSON Web Tokens •Understanding of front-end build tools and pipelines •Excellent problem-solving and communication skills •A strong attention More ❯
