22 of 22 WebSockets Jobs in London

pipelines and event-driven architectures • Supporting production systems and driving performance improvements 🛠️ Core tech & experience: • Strong Python expertise (Django, FastAPI) • Experience with REST APIs, WebSockets, and real-time data integration • Cloud-native development (Azure preferred) • CI/CD, automated testing, and production support • Hands-on experience with AI agents/ ...

high- performance trading platform . Work primarily with: TypeScript ( Node. js & React) Monorepo tooling, GitHub, GitHub Actions Jest, Playwright Redis, MS SQL, WebSockets Docker, Kubernetes Observability tools ( Grafana, Prometheus, SonarQube) Take end- to- end ownership of features from design to production. Collaborate closely with platform and DevOps engineers on build ...

Driven Design (DDD) in firmware and backend systems, MVVM Architecture in mobile, serverless/microservices/event-driven in cloud, REST/GraphQL/WebSockets). Hands-on experience implementing DevOps and CI/CD pipelines in regulated environments, with familiarity in tools such as Jenkins, GitHub Actions, GitLab ...

features across the entire stack: Designing, building, and maintaining features for an internal trading platform Working with: TypeScript, Node.js, React, Redis, MS SQL, WebSockets Docker, Kubernetes, GitHub Actions, Jest, Playwright Grafana, Prometheus, SonarQube Taking end‐to‐end responsibility from design → production Collaborating closely with platform/DevOps engineers Enhancing observability ...

high- performance trading platform . Work primarily with: TypeScript ( Node. js & React) Monorepo tooling, GitHub, GitHub Actions Jest, Playwright Redis, MS SQL, WebSockets Docker, Kubernetes Observability tools ( Grafana, Prometheus, SonarQube) Take end- to- end ownership of features from design to production. Collaborate closely with platform and DevOps engineers on build ...

contributing to how the system evolves. Responsibilities: Building and maintaining full-stack features using TypeScript, Node.js and React Working on real-time systems using WebSockets, Redis and SQL Driving high-quality engineering through automated testing (Jest, Playwright) Collaborating closely with DevOps on observability, pipelines and system performance Taking ownership from ...

Apollo Client. Experience building Single Page Applications (SPAs). Reactive mobile UI development experience. Experience with Material UI or similar component libraries. Familiarity with WebSockets and real-time applications. Knowledge of CI/CD pipelines and end-to-end testing frameworks. Exposure to browser APIs and UX/UI design ...

Senior React Engineer - £700 - £800 p/day – On-site (Central London) Overview We are hiring a Senior React Engineer to join a high-performance technology team within a leading financial services organisation operating in ...

Distributed Systems . Infrastructure: Hands-on experience with Azure (or AWS/GCP) and architecting high-concurrency load balancing. The "Edge": Experience with WebRTC, WebSockets, or real-time audio processing is a massive bonus. Mindset: You prefer a blank canvas to a pre-filled coloring book. You take extreme ownership. ...

acceptance tests • Comfortable in an agile working environment • Self-starter and proactive DESIRED SKILLS: • Experience with modern web UI technologies; HTML5, React, RESTful services, Websockets • Knowledge of Structured Products (Notes, Warrants, Certificates) BUSINESS KNOWLEDGE • Equity Derivatives • Regional variations of Products and Trading • SP and SN is a plus ...

acceptance tests Comfortable in an agile working environment Self-starter and proactive DESIRED SKILLS: Experience with modern web UI technologies; HTML5, React, RESTful services, Websockets Knowledge of Structured Products (Notes, Warrants, Certificates) BUSINESS KNOWLEDGE Equity Derivatives Regional variations of Products and Trading ...

existing Python/SQL reporting framework. The AI enablement Engineer will have experience with the following technologies/tools: Docker, Postgres, REST APIs, SFTP, Websockets OOP + Asynchronous Design Patterns PowerQuery/DAX/M Industry standard libraries used in software development within finance (pandas, numpy, scipy etc) MS Graph ...

Apple App Store and Google Play Store - Experience in a small team working independently - Comfortable using BLoC for state management - Experience using WebSockets - Experience working with home automation The perks: - Full autonomy to direct your area of Tewke. - Breakfast in the office every morning before 10am. - Working with an environmentally ...

We have a current opportunity for a React Developer on a permanent basis. The position will be based in London. For further information about this position please apply. - 10+ years engineering; 5+ years building production ...

Frontend Engineer STS Digital (www.stsdigital.io) is a leading regulated digital asset trading firm specialising in OTC trading and market making. While trading is headquartered in Bermuda, technology development is provided by a vibrant global engineering ...

Job Title: Senior Developer Company: Fresh4cast Workplace Type: Remote Job Location: United Kingdom Job Type: Contract or fixed-term employment Duration: 3 months Complete a short questionnaire to apply: https://fresh4cast.com/careers ...

templates and workflows that simplify publishing new reports. Build and maintain internal dashboards used by trading and operations teams. Implement real-time updates using WebSockets and asynchronous patterns where required. Develop monitoring tools and evaluation environments for key systems and performance metrics. Collaborate directly with trading stakeholders to automate operational … experience in Python development in production environments Experience with async programming (asyncio) and concurrency Familiarity with Celery or distributed task processing systems Experience with WebSockets or real-time systems Familiarity with Flask (experience with Quart is a plus) Experience with Pydantic for data validation and modelling Solid understanding of databases ...

Senior C++ Engineer Certain Advantage are hiring for a Senior C++ Engineer based in London. This role is on an initial contract till the end of the year and is hybrid. You will play a ...

Role Overview As a Senior C++ Engineer, you will be a member of a small, high performing team responsible for global derivatives algorithmic trading platform. Working closely with technologists, quants and traders to develop our ...

We are working with a pioneering financial technology firm that is building a global institution for digital assets, designed from the ground up for market integrity and efficiency. Their disciplined, first-principles approach underpins everything ...

About the Job As the Senior Product Manager - Trading you will play a crucial role in shaping the strategy, roadmap, execution of our trading & liquidity products. The ideal candidate understands the unique challenges and transformative ...

C++ Engineer Certain Advantage are hiring for a C++ Engineer based in London. This role is on an initial contract till the end of the year and is hybrid. The company Were working with an ...