london, south east england, united kingdom Hybrid / WFH Options
Venture Up
models. The successful fullstack python/typescript developer will write high-quality asynchronous Python code to interact with external websites and APIs, build responsive, data-rich frontend features using React and TypeScript, participate in architectural discussions and propose platform improvements, work in a Linux environment using Docker and Kubernetes and follow Agile practices using Scrum, GitLab, and Jira. Essential Skills … 2+ years of Python experience in a commercial environment, with strong asynchronous programming skills 2+ years of frontend development experience with React and modern JavaScript/TypeScript Demonstrated ability to build and maintain polished, responsive user interfaces Experience with REST APIs and modern web frameworks, such as FastAPI Practical experience with PostgreSQL or similar relational databases Proficiency with HTML5, CSS3 More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Venture Up
models. The successful fullstack python/typescript developer will write high-quality asynchronous Python code to interact with external websites and APIs, build responsive, data-rich frontend features using React and TypeScript, participate in architectural discussions and propose platform improvements, work in a Linux environment using Docker and Kubernetes and follow Agile practices using Scrum, GitLab, and Jira. Essential Skills … 2+ years of Python experience in a commercial environment, with strong asynchronous programming skills 2+ years of frontend development experience with React and modern JavaScript/TypeScript Demonstrated ability to build and maintain polished, responsive user interfaces Experience with REST APIs and modern web frameworks, such as FastAPI Practical experience with PostgreSQL or similar relational databases Proficiency with HTML5, CSS3 More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Venture Up
models. The successful fullstack python/typescript developer will write high-quality asynchronous Python code to interact with external websites and APIs, build responsive, data-rich frontend features using React and TypeScript, participate in architectural discussions and propose platform improvements, work in a Linux environment using Docker and Kubernetes and follow Agile practices using Scrum, GitLab, and Jira. Essential Skills … 2+ years of Python experience in a commercial environment, with strong asynchronous programming skills 2+ years of frontend development experience with React and modern JavaScript/TypeScript Demonstrated ability to build and maintain polished, responsive user interfaces Experience with REST APIs and modern web frameworks, such as FastAPI Practical experience with PostgreSQL or similar relational databases Proficiency with HTML5, CSS3 More ❯
and maintain our subsystems. We’re doing all of this against a backdrop of continuous innovation and refinement. The Role We are looking for a Fullstack Engineer (Go + React) to help scale and evolve the core Xapien platform as we grow rapidly. Working directly with our Head of Engineering , you will play a key role in shaping the future … clean, maintainable code. Here’s what you will be responsible for: Designing and building scalable microservices in Go, as part of a growing platform architecture. Developing intuitive and performant React components to enhance our frontend experience. Collaborating closely with product and design teams to turn complex user needs into elegant technical solutions. Writing clean, testable, and maintainable code across the …/CD pipelines, observability, and automation alongside platform engineers. Your Skills & 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 More ❯
and maintain our subsystems. We’re doing all of this against a backdrop of continuous innovation and refinement. The Role We are looking for a Fullstack Engineer (Go + React) to help scale and evolve the core Xapien platform as we grow rapidly. Working directly with our Head of Engineering , you will play a key role in shaping the future … clean, maintainable code. Here’s what you will be responsible for: Designing and building scalable microservices in Go, as part of a growing platform architecture. Developing intuitive and performant React components to enhance our frontend experience. Collaborating closely with product and design teams to turn complex user needs into elegant technical solutions. Writing clean, testable, and maintainable code across the …/CD pipelines, observability, and automation alongside platform engineers. Your Skills & 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 More ❯
and maintain our subsystems. We’re doing all of this against a backdrop of continuous innovation and refinement. The Role We are looking for a Fullstack Engineer (Go + React) to help scale and evolve the core Xapien platform as we grow rapidly. Working directly with our Head of Engineering , you will play a key role in shaping the future … clean, maintainable code. Here’s what you will be responsible for: Designing and building scalable microservices in Go, as part of a growing platform architecture. Developing intuitive and performant React components to enhance our frontend experience. Collaborating closely with product and design teams to turn complex user needs into elegant technical solutions. Writing clean, testable, and maintainable code across the …/CD pipelines, observability, and automation alongside platform engineers. Your Skills & 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 More ❯
and maintain our subsystems. We’re doing all of this against a backdrop of continuous innovation and refinement. The Role We are looking for a Fullstack Engineer (Go + React) to help scale and evolve the core Xapien platform as we grow rapidly. Working directly with our Head of Engineering , you will play a key role in shaping the future … clean, maintainable code. Here’s what you will be responsible for: Designing and building scalable microservices in Go, as part of a growing platform architecture. Developing intuitive and performant React components to enhance our frontend experience. Collaborating closely with product and design teams to turn complex user needs into elegant technical solutions. Writing clean, testable, and maintainable code across the …/CD pipelines, observability, and automation alongside platform engineers. Your Skills & 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 More ❯
london (city of london), south east england, united kingdom
Xapien
and maintain our subsystems. We’re doing all of this against a backdrop of continuous innovation and refinement. The Role We are looking for a Fullstack Engineer (Go + React) to help scale and evolve the core Xapien platform as we grow rapidly. Working directly with our Head of Engineering , you will play a key role in shaping the future … clean, maintainable code. Here’s what you will be responsible for: Designing and building scalable microservices in Go, as part of a growing platform architecture. Developing intuitive and performant React components to enhance our frontend experience. Collaborating closely with product and design teams to turn complex user needs into elegant technical solutions. Writing clean, testable, and maintainable code across the …/CD pipelines, observability, and automation alongside platform engineers. Your Skills & 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 More ❯
ll be working on a national-level programme supporting an ongoing digital transformation project. What You’ll Do Build and maintain robust APIs and web applications using .NET and React Collaborate with cross-functional teams to deliver modern, Azure-hosted solutions Develop clean, testable, and maintainable code across the full stack Integrate with complex healthcare data systems and APIs Support …/CD pipelines Participate in design reviews and mentoring within an agile delivery team What You’ll Bring Solid C#/.NET Core experience in production systems Proficiency with React and TypeScript Strong experience with Microsoft Azure (App Services, Azure Functions, Azure DevOps, etc.) Exposure to healthcare, NHS, or data integration environments Understanding of RESTful APIs , microservices , and unit testing More ❯
bradford, yorkshire and the humber, united kingdom
Brio Digital
ll be working on a national-level programme supporting an ongoing digital transformation project. What You’ll Do Build and maintain robust APIs and web applications using .NET and React Collaborate with cross-functional teams to deliver modern, Azure-hosted solutions Develop clean, testable, and maintainable code across the full stack Integrate with complex healthcare data systems and APIs Support …/CD pipelines Participate in design reviews and mentoring within an agile delivery team What You’ll Bring Solid C#/.NET Core experience in production systems Proficiency with React and TypeScript Strong experience with Microsoft Azure (App Services, Azure Functions, Azure DevOps, etc.) Exposure to healthcare, NHS, or data integration environments Understanding of RESTful APIs , microservices , and unit testing More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Lorien
enhance quality and delivery timelines. Assist in the creation of implementation and rollback plans and provide post-release support during warranty periods. Required Skills & Experience: Proven experience as a React Developer or UI Software Engineer. Expert-level proficiency in: HTML CSS (SCSS) JavaScript (ES6) Strong UI/UX design skills - capable of working independently or within a team. Solid experience … Desirable Skills: Experience with microservices and distributed systems. Familiarity with cloud platforms (e.g., AWS, PCF). Background in financial services. Exposure to Node.js or Java. Tech Stack & Tools: Frontend: React, HTML, CSS (SCSS), TypeScript, Vite Design: Figma Testing: Vitest, Playwright · CI/CD: GitLab · Cloud & Infrastructure: AWS, Pivotal Cloud Foundry (PCF) · Backend & Databases: Java 17, Oracle, MongoDB · Monitoring: Grafana, OpenTelemetry More ❯
interfaces (GUIs) to support model risk infrastructure and analytics. Integrate front-end components with Django-based back-end systems and RESTful APIs. Develop responsive and intuitive user interfaces using React and related JavaScript frameworks. Collaborate with cross-functional teams; data engineers, UX designers, and infrastructure specialists-to deliver cohesive, reliable solutions. Ensure application performance, scalability, and maintainability through best practices … one additional language. Proven experience building GUI applications using frameworks such as PyQt5 or PySide. Hands-on experience with Django (ORM, REST framework, views, templates). Strong background in React and modern front-end development (Redux, Hooks, etc.). Experience working with Git, Docker, and cloud environments (AWS, Azure, or GCP). Knowledge of SQL and relational databases (PostgreSQL, MySQL More ❯
Birmingham, England, United Kingdom Hybrid / WFH Options
TXP
projects within internal or customer Application Development Teams. While your focus will be on backend development using Java and Spring, you’ll also contribute to frontend work, ideally with React, or JavaScript/TypeScript. You’ll guide a small team, ensuring quality, consistency, and timely delivery. You’ll be hands-on throughout the full software development lifecycle, designing, coding, testing … to project success. What We’re Looking For Technical Skills: Strong experience with Java (1.6/1.8), Spring, REST APIs, and Oracle PL/SQL Solid frontend experience with React (preferred) or JavaScript/TypeScript Knowledge of microservices, Maven, Kubernetes/Docker, and cloud platforms (Azure/AWS) Familiarity with Agile/Scrum methodologies, sprint planning, and rituals Experience with More ❯
tools. •Build scalable RESTful APIs and backend services using modern frameworks and languages (e.g. Python, Node.js, C++). •Develop clean, responsive front-end interfaces using frameworks like Vue.js or React, to present complex datasets and user workflows. •Collaborate with data scientists and engineers to integrate ML models, ETL pipelines, and cloud-based data storage solutions. •Optimise system performance and reliability … product orientated environment. •Strong backend development experience, particularly with structured and unstructured data (e.g. SQL, NoSQL, data lakes). •Proficient in modern front-end technologies (HTML/CSS, JavaScript, React or similar). •Experience working with containerised applications (e.g. Docker, Swarm or Kubernetes) in a Linux-based environment. •Solid understanding of RESTful API design, microservices architectures, and asynchronous workflows. •Familiarity More ❯
tools. •Build scalable RESTful APIs and backend services using modern frameworks and languages (e.g. Python, Node.js, C++). •Develop clean, responsive front-end interfaces using frameworks like Vue.js or React, to present complex datasets and user workflows. •Collaborate with data scientists and engineers to integrate ML models, ETL pipelines, and cloud-based data storage solutions. •Optimise system performance and reliability … product orientated environment. •Strong backend development experience, particularly with structured and unstructured data (e.g. SQL, NoSQL, data lakes). •Proficient in modern front-end technologies (HTML/CSS, JavaScript, React or similar). •Experience working with containerised applications (e.g. Docker, Swarm or Kubernetes) in a Linux-based environment. •Solid understanding of RESTful API design, microservices architectures, and asynchronous workflows. •Familiarity More ❯
tools. •Build scalable RESTful APIs and backend services using modern frameworks and languages (e.g. Python, Node.js, C++). •Develop clean, responsive front-end interfaces using frameworks like Vue.js or React, to present complex datasets and user workflows. •Collaborate with data scientists and engineers to integrate ML models, ETL pipelines, and cloud-based data storage solutions. •Optimise system performance and reliability … product orientated environment. •Strong backend development experience, particularly with structured and unstructured data (e.g. SQL, NoSQL, data lakes). •Proficient in modern front-end technologies (HTML/CSS, JavaScript, React or similar). •Experience working with containerised applications (e.g. Docker, Swarm or Kubernetes) in a Linux-based environment. •Solid understanding of RESTful API design, microservices architectures, and asynchronous workflows. •Familiarity More ❯
proprietary workflow engine built around a Scheme-based workflow notation. Our frontend systems include our clean, simple web portal for client order capture and reporting, built in TypeScript and React; with server-side REST and GraphQL APIs written in Python3. What we’re looking for... Essential skills and experience: 5+ years experience of developing complex applications using an OO language …/ECS, RDS, S3 Experience using DataDog or similar observability tools Knowledge of containerisation: Docker, Kubernetes, AWS Fargate etc Any experience of front-end or fullstack development using TypeScript & React Experience building software for financial services and/or investment management organisations We don’t expect candidates to have knowledge of all of the above, but we hope you’re More ❯
City of London, London, United Kingdom Hybrid / WFH Options
TreasurySpring
proprietary workflow engine built around a Scheme-based workflow notation. Our frontend systems include our clean, simple web portal for client order capture and reporting, built in TypeScript and React; with server-side REST and GraphQL APIs written in Python3. What we’re looking for... Essential skills and experience: 5+ years experience of developing complex applications using an OO language …/ECS, RDS, S3 Experience using DataDog or similar observability tools Knowledge of containerisation: Docker, Kubernetes, AWS Fargate etc Any experience of front-end or fullstack development using TypeScript & React Experience building software for financial services and/or investment management organisations We don’t expect candidates to have knowledge of all of the above, but we hope you’re More ❯
london, south east england, united kingdom Hybrid / WFH Options
TreasurySpring
proprietary workflow engine built around a Scheme-based workflow notation. Our frontend systems include our clean, simple web portal for client order capture and reporting, built in TypeScript and React; with server-side REST and GraphQL APIs written in Python3. What we’re looking for... Essential skills and experience: 5+ years experience of developing complex applications using an OO language …/ECS, RDS, S3 Experience using DataDog or similar observability tools Knowledge of containerisation: Docker, Kubernetes, AWS Fargate etc Any experience of front-end or fullstack development using TypeScript & React Experience building software for financial services and/or investment management organisations We don’t expect candidates to have knowledge of all of the above, but we hope you’re More ❯
slough, south east england, united kingdom Hybrid / WFH Options
TreasurySpring
proprietary workflow engine built around a Scheme-based workflow notation. Our frontend systems include our clean, simple web portal for client order capture and reporting, built in TypeScript and React; with server-side REST and GraphQL APIs written in Python3. What we’re looking for... Essential skills and experience: 5+ years experience of developing complex applications using an OO language …/ECS, RDS, S3 Experience using DataDog or similar observability tools Knowledge of containerisation: Docker, Kubernetes, AWS Fargate etc Any experience of front-end or fullstack development using TypeScript & React Experience building software for financial services and/or investment management organisations We don’t expect candidates to have knowledge of all of the above, but we hope you’re More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
TreasurySpring
proprietary workflow engine built around a Scheme-based workflow notation. Our frontend systems include our clean, simple web portal for client order capture and reporting, built in TypeScript and React; with server-side REST and GraphQL APIs written in Python3. What we’re looking for... Essential skills and experience: 5+ years experience of developing complex applications using an OO language …/ECS, RDS, S3 Experience using DataDog or similar observability tools Knowledge of containerisation: Docker, Kubernetes, AWS Fargate etc Any experience of front-end or fullstack development using TypeScript & React Experience building software for financial services and/or investment management organisations We don’t expect candidates to have knowledge of all of the above, but we hope you’re More ❯
Senior React Developer React, TypeScript, API, HTML, CSS, JavaScript Fareham, Hampshire. This role is to work in the office full time. Salary circa £40,000 - £60,000 plus benefits In 2023, cybercrime cost UK businesses an estimated £21 billion. But don't think its the just the big corporates at risk, the average cybercrime value in the UK is just … you and your future self! They have built a suite of innovative products designed to offer superior protection against a broad spectrum of online threats. The role of Senior React Developer is a new position in the team demonstrating the increasing demand for a robust cyber solution. Working with a talented software team you will be helping to plan and … to local gym, onsite chef (free cooked breakfast & lunch!), childcare vouchers, cycle to work scheme, pension, BUPA healthcare, investment in training and personal development. Technical Skills: HTML CSS TypeScript React JavaScript object model JavaScript preprocessors eg webpack, Rollup, Babel SCSS/LESS Knowledge of performance testing frameworks Mocha and Jest The company offers a competitive salary, exposure to new technology More ❯
Senior React Developer React, TypeScript, API, HTML, CSS, JavaScript Fareham, Hampshire. This role is to work in the office full time. Salary circa £40,000 - £60,000 plus benefits In 2023, cybercrime cost UK businesses an estimated £21 billion. But don't think its the just the big corporates at risk, the average cybercrime value in the UK is just … you and your future self! They have built a suite of innovative products designed to offer superior protection against a broad spectrum of online threats. The role of Senior React Developer is a new position in the team demonstrating the increasing demand for a robust cyber solution. Working with a talented software team you will be helping to plan and … to local gym, onsite chef (free cooked breakfast & lunch!), childcare vouchers, cycle to work scheme, pension, BUPA healthcare, investment in training and personal development. Technical Skills: HTML CSS TypeScript React JavaScript object model JavaScript preprocessors eg webpack, Rollup, Babel SCSS/LESS Knowledge of performance testing frameworks Mocha and Jest The company offers a competitive salary, exposure to new technology More ❯
role in designing, building, and optimising services that power our EV testing, reporting, and data-sharing products. This role is primarily backend-focused, but familiarity with modern frontend frameworks (React/React Native/Next.js) is a bonus. Key Responsibilities Develop and maintain robust, high-performance .NET 8+ APIs and services. Work with Azure Functions , Blob Storage , Queues , and SQL … end-to-end ownership. Passion for clean architecture, performance, and testable code. Interest in the EV, sustainability, or data analytics space is a plus. Nice to Have Experience with React/Next.js/React Native or TypeScript . Experience integrating third-party APIs (OEM, OBD, or telematics data). Familiarity with data pipelines and event-driven design. Understanding of CI More ❯
City of London, London, United Kingdom Hybrid / WFH Options
ClearWatt
role in designing, building, and optimising services that power our EV testing, reporting, and data-sharing products. This role is primarily backend-focused, but familiarity with modern frontend frameworks (React/React Native/Next.js) is a bonus. Key Responsibilities Develop and maintain robust, high-performance .NET 8+ APIs and services. Work with Azure Functions , Blob Storage , Queues , and SQL … end-to-end ownership. Passion for clean architecture, performance, and testable code. Interest in the EV, sustainability, or data analytics space is a plus. Nice to Have Experience with React/Next.js/React Native or TypeScript . Experience integrating third-party APIs (OEM, OBD, or telematics data). Familiarity with data pipelines and event-driven design. Understanding of CI More ❯