Birmingham, West Midlands, United Kingdom Hybrid / WFH Options
Colossus Recruitment Limited
Responsibilities Develop scalable backend systems using Python (FastAPI or Flask) Build clean, modern frontend components in React (TypeScript preferred) Design and integrate RESTful and GraphQL APIs Write clean, reusable code using TDD or BDD practices Participate in peer code reviews and offer constructive feedback Troubleshoot and debug technical issues Collaborate … and debugging capabilities Nice to Have Experience with NoSQL databases (e.g., MongoDB, DynamoDB) Familiarity with AWS or other cloud platforms Exposure to serverless architecture GraphQL experience Worked in Agile environments, particularly Scrum or Extreme Programming (XP) Soft Skills Team player with excellent communication and collaboration skills Passionate about clean code More ❯
Kubernetes). UI development experience using modern JavaScript frameworks (e.g., React, Angular, or Vue). Proven experience in building APIs (RESTful and/or GraphQL). More ❯
UI implementations Apply functional programming and optimize performance Collaborate across teams to ensure a seamless product Required Skills & Experience: Strong expertise in TypeScript, React, GraphQL, Redux, and CSS-in-JS Familiarity with the React reconciliation process and browser debugging tools Experience in functional programming and Jest for testing Bonus Experience More ❯
UI implementations Apply functional programming and optimize performance Collaborate across teams to ensure a seamless product Required Skills & Experience: Strong expertise in TypeScript, React, GraphQL, Redux, and CSS-in-JS Familiarity with the React reconciliation process and browser debugging tools Experience in functional programming and Jest for testing Bonus Experience More ❯
solutions and build the best products. The team have moved their environment solely on Typescript and and its associated frameworks (React AND Node) with GraphQL for API's which is all within a AWS cloud environment. Alongside the technical aspect it is also crucial to be able to manage the More ❯
new ideas into the code base. Requirements for the Senior Frontend Developer A degree in a STEM-related subject. Proficiency in JavaScript ReactJS TypeScript. GraphQL Kafka At least 5 years of commercial frontend development experience within an electronic trading environment. Strong communication skills with the ability to interact with senior More ❯
new ideas into the code base. Requirements for the Senior Frontend Developer A degree in a STEM-related subject. Proficiency in JavaScript ReactJS TypeScript. GraphQL Kafka At least 5 years of commercial frontend development experience within an electronic trading environment. Strong communication skills with the ability to interact with senior More ❯
building scalable front-end applications using Angular. Nice-to-Have : Experience with Event-Driven Architecture using AWS services (SNS, SQS, EventBridge). Knowledge of GraphQL, WebSockets, or real-time data streaming. Exposure to DevOps and observability practices (e.g., Prometheus, Datadog, AWS CloudWatch, OpenTelemetry). Prior experience in leading distributed engineering More ❯
design discussions to solve real world problems and deliver on business goals. The tech stack is predominantly Typescript, Rust and React on GCP, Kubernetes, GraphQL although they are open to engineers from any background. You should apply if: You're excited to build sustainable, net-zero products to disrupt an More ❯
Working closely with internal teams to define technical requirements and solutions. What you need to bring: Strong full-stack development experience (React, Typescript, JavaScript, GraphQL and backend technologies). Proven ability to lead projects and contribute to technical decision-making. Experience deploying and maintaining live applications. Strong problem-solving skills More ❯
creating resilient and observable systems seeking to automate testing at all levels of the build/deployment pipeline. Full stack experience though primarily Java, GraphQL, Spring Framework, and Angular 8+. Secondary focus on wider technology stack (Redshift, Spark, etc.). Application Profiling and Tuning. Work cross-functionally with various teams More ❯
new ways. The problem space expects leveraging new technologies to innovate and simplify the client architectures, driving cloud-based solutions and building REST/GraphQL-based microservices. You'll also be coaching other engineers, developing engineering and operational processes, and encouraging excellence within the team. Responsibilities: Lead definition, architecture, and More ❯
platform, integrating an LLM-driven scoring pipeline plus a few external APIs. What You’ll Tackle *Backend feature work* • Design and ship REST or GraphQL endpoints. • Build multi-tenant data models and role-based workflows. • Trigger emails and webhooks for status changes. *AI/Retrieval-Augmented Generation* • Wire existing prompts More ❯
experience delivering enterprise-level cybersecurity solutions and controls. Advanced in one or more programming languages, ideally one or more of: NIX Scripting, Python, SQL & GraphQL, Splunk, Grafana & OpenTelemetry. Proficiency in automation and continuous delivery methods. Proficiency in all aspects of the Software Development Life Cycle. Advanced understanding of agile methodologies More ❯
Contribute to hiring additional talent to our rapidly growing team The role will be exposed to a broad tech stack (e.g. ReactJS, Python, REST & GraphQL, OpenCV, PyTorch, GCP, AWS & CUDA, Kubernetes) and the cutting edge of computer vision and deep learning. Qualifications The right candidate will have a proven track More ❯
who’s leadership-ready and eager to shape the future Clear communicator, strong collaborator, positive energy Bonus points if you’ve used: Expo or GraphQL CI/CD pipelines for frontend AI tools like Cursor or Copilot 🌱 Why This Team? You’ll be part of something meaningful — building tech that More ❯
who’s leadership-ready and eager to shape the future Clear communicator, strong collaborator, positive energy Bonus points if you’ve used: Expo or GraphQL CI/CD pipelines for frontend AI tools like Cursor or Copilot 🌱 Why This Team? You’ll be part of something meaningful — building tech that More ❯
cutting-edge innovation for impactful results and experience unparalleled support on your journey to success. Responsibilities Building and maintaining end-to-end RESTful and GraphQL APIs to provide maritime data ( vessel positions, characteristics ) Ingesting and processing data streams into various datastores efficiently. Collaborating closely with engineers, product managers, and DevOps More ❯
visionary, and ready to lead from the front Bonus Points Experience in consumer-facing platforms, price comparison tools, or broadband/telecoms Familiarity with GraphQL, custom CMS development, or high-performance data platforms The Setup Hybrid working - balance time between our London base (E14 5RE) and remote work Founding team More ❯
Components, Typescript, Node, Express, PostgreSQL, and AWS (S3, Lambda) - ps. we've done our best to check this already Experience working with RESTful and GraphQL APIs. Opinionated about product: you care about creating beautiful user experiences. Value autonomy, moving fast and getting Sh t done. Excited to come into the More ❯
experience, and development cycle efficiency. Sounds perfect to me, what specifics are you looking for? Technologies Frontend: ReactJS, NextJS, Typescript, Chakra UI, React Queries, GraphQL integration Other: Figma (understand complex design and business logic requirements) Ideal Experience Ideally, you should have at least 3 or more years of experience: Translating More ❯
all parts of the business. Hard requirements Proficient in TypeScript and NodeJS. Strong experience of deploying containerised and serverless infrastructure solutions. Strong understanding of GraphQL and performance optimisation. Expertise with relational databases, including performance analysis and optimisation. Interest in AI technologies and some experience (including side projects) working with AI More ❯
a senior technology leadership role, preferably in a startup environment. Strong expertise in our tech stack: React, TypeScript, JavaScript, Node.js, Django, Python, Ubuntu, Nginx, GraphQL, and MongoDB. Demonstrated experience in building and scaling consumer-facing digital platforms. Exceptional leadership, communication, and problem-solving skills. Passion for at least software development More ❯
experience building and supporting large-scale distributed systems that power consumer apps or websites. In-depth experience with building effective APIs (like REST or GraphQL). Comfortable with performance analysis tools (e.g., tracers, profilers, debuggers, visualization tools). Several years of relevant full-time working experience. Curiosity to uncover promising More ❯
experience, and development cycle efficiency. Sounds perfect to me, what specifics are you looking for? Technologies Frontend: ReactJS, NextJS, Typescript, Chakra UI, React Queries, GraphQL integration Other: Figma (understand complex design and business logic requirements) Ideal Experience Ideally, you should have at least 3 or more years of experience: Translating More ❯
