applications across frontend (ReactJS, React Native) and backend (.NET, Azure Functions, APIs) Architect and implement customer portal features including dashboards, mapping, access control, and IoT integrations Develop and maintain RESTful and GraphQL APIs for internal systems and third-party services Drive adoption of DevOps practices including CI/CD pipelines, observability, and automated deployments Mentor junior developers through code reviews More ❯
applications across frontend (ReactJS, React Native) and backend (.NET, Azure Functions, APIs) Architect and implement customer portal features including dashboards, mapping, access control, and IoT integrations Develop and maintain RESTful and GraphQL APIs for internal systems and third-party services Drive adoption of DevOps practices including CI/CD pipelines, observability, and automated deployments Mentor junior developers through code reviews More ❯
opinionated engineering culture, we want to 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 in Red Hat OpenShift More ❯
opinionated engineering culture, we want to 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 in Red Hat OpenShift More ❯
london (city of london), south east england, united kingdom
RE Partners
opinionated engineering culture, we want to 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 in Red Hat OpenShift More ❯
Technical Leadership: Provide hands-on technical direction, ensuring adherence to best practices, coding standards, and architectural principles. REQUIREMENTS Proficiency in Java, Spring/Spring Boot, Hibernate/JPA, and RESTful APIs. Strong experience with front-end technologies such as Angular, React, or Vue.js. Solid understanding of microservices architecture, containerization (Docker/Kubernetes), and cloud platforms (AWS, Azure, or GCP). More ❯
leadership and mentoring Requirements 5+ years of experience with Ruby/Rails in production environments Exposure to DevOps practices (CI/CD, Docker, AWS, Terraform, etc.) Strong understanding of RESTful APIs, background jobs, and database optimization Experience working in agile teams and mentoring developers Excellent communication and problem-solving skills Ability to work independently and take initiative Nice to Have More ❯
Tests Managing CI/CD pipelines using GitHub or similar tools Working with AWS services including IAM, Lambda, and API Gateway Building front-end applications with Angular and developing RESTful APIs/Web APIs Implementing Behaviour-Driven Development (BDD) using SpecFlow API testing and validation with Postman Implementing and maintaining OpenAPI specifications Database experience: MS SQL Server (SQL) MongoDB (NoSQL More ❯
Any knowledge of MongoDB or working with large datasets would be useful but is not essential Knowledge of the use of version control systems, such as git Experience implementing RESTful APIs for integration with internal and external systems *Applicants must have the right to work in the UK and the ability to pass BPSS vetting More ❯
frameworks Experience with SQL Server and database design Proven experience working on middle/back-office systems in financial services Understanding of fund operations workflows and processes Experience with RESTful APIs and microservices architecture Strong problem-solving abilities and attention to detail Highly Desirable Experience with fund accounting/administration systems (Geneva, Charles River, SimCorp, etc.) Knowledge of portfolio accounting More ❯
frameworks Experience with SQL Server and database design Proven experience working on middle/back-office systems in financial services Understanding of fund operations workflows and processes Experience with RESTful APIs and microservices architecture Strong problem-solving abilities and attention to detail Highly Desirable Experience with fund accounting/administration systems (Geneva, Charles River, SimCorp, etc.) Knowledge of portfolio accounting More ❯
london (city of london), south east england, united kingdom
Cross Atlantic Partners
frameworks Experience with SQL Server and database design Proven experience working on middle/back-office systems in financial services Understanding of fund operations workflows and processes Experience with RESTful APIs and microservices architecture Strong problem-solving abilities and attention to detail Highly Desirable Experience with fund accounting/administration systems (Geneva, Charles River, SimCorp, etc.) Knowledge of portfolio accounting More ❯
Milton Keynes, Buckinghamshire, England, United Kingdom
Tank Recruitment
commercial experience in C#/.NET development Solid understanding of SQL Server and database performance tuning Front-end experience with Angular and modern JavaScript frameworks Experience building and consuming RESTful APIs Awareness of application security and secure coding practices A proactive mindset with a passion for learning and improving Nice to have Experience leading small delivery teams or projects Background More ❯
. A strong appreciation for UI/UX design and a passion for delivering exceptional user experiences. Understanding of Design Patterns and SOLID principles . Experience building and consuming RESTful APIs . Familiarity with Agile/SCRUM methodologies and modern CI/CD practices. Why Join? Bootstrapped success story - with multiple thriving business arms. An executive team with 65+ years More ❯
. A strong appreciation for UI/UX design and a passion for delivering exceptional user experiences. Understanding of Design Patterns and SOLID principles . Experience building and consuming RESTful APIs . Familiarity with Agile/SCRUM methodologies and modern CI/CD practices. Why Join? Bootstrapped success story - with multiple thriving business arms. An executive team with 65+ years More ❯
london (city of london), south east england, united kingdom
Impala Search
. A strong appreciation for UI/UX design and a passion for delivering exceptional user experiences. Understanding of Design Patterns and SOLID principles . Experience building and consuming RESTful APIs . Familiarity with Agile/SCRUM methodologies and modern CI/CD practices. Why Join? Bootstrapped success story - with multiple thriving business arms. An executive team with 65+ years More ❯
london, south east england, united kingdom Hybrid / WFH Options
Kioni Talent
a culture of engineering excellence Work on meaningful challenges that have a direct impact on customers 👩 💻 What You'll Need Strong experience with Django or FastAPI Solid understanding of RESTful APIs and database design (SQL/PostgreSQL) Experience with testing frameworks and version control (Git) Familiarity with cloud environments (AWS/GCP/Azure) A collaborative mindset and eagerness to More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Kioni Talent
a culture of engineering excellence Work on meaningful challenges that have a direct impact on customers 👩 💻 What You'll Need Strong experience with Django or FastAPI Solid understanding of RESTful APIs and database design (SQL/PostgreSQL) Experience with testing frameworks and version control (Git) Familiarity with cloud environments (AWS/GCP/Azure) A collaborative mindset and eagerness to More ❯
doing: Designing, building, and maintaining scalable Python-based applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or Django REST Framework . Collaborating with data and platform engineers to integrate new features and optimise performance. Ensuring robust engineering practices including CI/ More ❯
/Django REST Framework work. Solid relational database experience, ideally Postgres (schema design, query optimisation). Test-driven development practices and experience with pytest or equivalent. Experience working with RESTful APIs and/or GraphQL. Familiarity with containerisation and cloud deployment (Docker, Kubernetes/EKS/GKE or equivalent). Version control with Git and experience of CI/CD More ❯
than put you off because you don't tick every one of these boxes. Experience working with Python as your main language, or willing to adapt. Experience working with RESTful APIs and/or GraphQl. Experience using version control tools e.g. git. Good understanding of development best practices such as pair programming, TDD. The desire to work with new technologies More ❯
london, south east england, united kingdom Hybrid / WFH Options
Acurable
IT infrastructure, testing setups, or other on-site needs. What you'll do: Develop and maintain applications across our software ecosystem using Javascript/Typescript. Design, build, and evolve RESTful & GraphQL APIs and microservice-based architectures. Work with a cross-functional team to ensure the reliability, scalability, and performance of our systems. Write clean, testable, and efficient code - contributing to More ❯
Bexhill-On-Sea, East Sussex, South East, United Kingdom Hybrid / WFH Options
Hastings Direct
for building scalable, maintainable solutions using .NET technologies and leveraging cloud services, particularly Microsoft Azure . Key Responsibilities: Design, develop, and maintain scalable, high-availability applications using C#. Build RESTful Web APIs to facilitate communication between front-end and back-end systems. Implement Azure Functions for serverless computing solutions. Utilise Azure API Management (APIM) to create, document, and manage APIs More ❯
london, south east england, united kingdom Hybrid / WFH Options
Safe Intelligence
shaking, bundle analysis, Core Web Vitals, OAuth2/OIDC, JWT handling, CSRF/XSS mitigation, CSP/SRI, dependency hygiene. Proven experience interacting with and co-designing production-grade RESTful APIs ideally with an API-first approach. Strong knowledge of frontend polling and other async interactions patterns such as: polling/SSE/WebSockets for long-running tasks, optimistic updates More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Safe Intelligence
shaking, bundle analysis, Core Web Vitals, OAuth2/OIDC, JWT handling, CSRF/XSS mitigation, CSP/SRI, dependency hygiene. Proven experience interacting with and co-designing production-grade RESTful APIs ideally with an API-first approach. Strong knowledge of frontend polling and other async interactions patterns such as: polling/SSE/WebSockets for long-running tasks, optimistic updates More ❯