1 to 25 of 26 Remote/Hybrid WebSockets Jobs in London

data pipelines using languages such as Node.js, Python, Go, or similar. Solid understanding of end‐to‐end system architecture: APIs, microservices, event‐driven architectures, WebSockets, message queues, databases, and how frontend and backend systems work together in high‐performance environments. Experience with infrastructure and DevOps fundamentals: CI/CD, cloud ...

data pipelines using languages such as Node.js, Python, Go, or similar. Solid understanding of end‐to‐end system architecture: APIs, microservices, event‐driven architectures, WebSockets, message queues, databases, and how frontend and backend systems work together in high‐performance environments. Experience with infrastructure and DevOps fundamentals: CI/CD, cloud ...

First Token) and maximize throughput. This includes implementing quantization, caching strategies, and efficient batching. Production Engineering: Build and maintain real-time AI pipelines using WebSockets and SSE , ensuring seamless low-latency delivery for voice (ASR/TTS) and text applications. Architecture & MLOps: Deploy and orchestrate models within containerized microservice architectures ...

data infrastructure that directly feeds ML models or AI agent systems Familiarity with prompt engineering, fine-tuning, or AI model optimisation Real-time systems, WebSockets, or live data pipelines Experience with real-time location/proximity data (Bluetooth/RFID/UWB-based systems) Prior experience in a platform/ ...

operate autonomously in a fast-moving environment Highly Desirable Sidekiq and background job processing expertise Stripe or payment platform integrations Event-driven architectures WebSockets/real-time applications AI-assisted development workflows and tooling Experience scaling SaaS platforms Startup or scale-up experience The Ideal Person You'll likely thrive ...

Professional experience building backend services, ideally in Kotlin and/or Python. Solid experience designing and building backend services and REST APIs; experience with WebSockets or other real-time streaming protocols such as NATS/JETSREAM is a plus. Working knowledge of SQL and experience integrating with multiple internal ...

operate autonomously in a fast-moving environment Highly Desirable Sidekiq and background job processing expertise Stripe or payment platform integrations Event-driven architectures WebSockets/real-time applications AI-assisted development workflows and tooling Experience scaling SaaS platforms Startup or scale-up experience The Ideal Person You'll likely thrive ...

experience is a strong plus A solid grounding in core computer science fundamentals: data structures, algorithms and system design Experience with real-time data (WebSockets, SSE or similar) is a significant advantage in this role Good to have experience with AG Grid, Prime Vue, UI state management systems such asPina ...

Redis Understanding of cloud services (AWS, Vercel, or similar) Excellent problem‐solving and communication skills Nice to Have Experience with real‐time systems and WebSockets Knowledge of payment processing (Stripe) Previous experience in ticketing or events industry Contributions to open‐source projects Benefits Competitive salary with equity options. Flexible hybrid ...

backend software engineers with experience building complex, distributed systems. You'll ideally have experience with: Core Java Spring Framework Event-driven architecture (Kafka, Solace, WebSockets or similar) Distributed systems Domain-Driven Design (DDD) SOLID principles and design patterns Cloud-native development CI/CD and modern engineering practices AI-assisted ...

architectural patterns. The role combines hands-on ownership of backend services with architectural leadership responsibilities. Elixir and the Phoenix framework GraphQL PostgreSQL Redis WebSockets and Phoenix Channels for real-time communication Message-driven architectures and asynchronous processing patterns Cloud-native infrastructure supporting globally distributed workloads You may interact with services ...

Make key architectural decisions around LLM integration: prompt design, caching strategies, cost management, and evaluation approaches. Build real‐time communication layers (Server‐Sent Events, WebSockets, HTTP/2 streaming) to power agent‐to‐frontend and agent‐to‐agent interactions. Contribute to the wider code base roadmap. Our product is great ...

We are seeking a Senior Full Stack & Systems Engineer to join our Defence delivery team. This is a versatile, high-impact role designed for funded client delivery: you will build mission-critical web applications and ...

22 Jun 2026 London, LND, GB, EC2M 2AT SMBC A trusted partner for the long term Here at SMBC Group, we want to help you find the next step in your career so read on ...

Discover your future at the company Working at the company is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. ...

FX Client Platforms - Senior UI Software Engineer (Vice President) About the Role We are seeking a Senior Applications Developer to join a team delivering pricing solutions for the Foreign Exchange (FX) business. You will cover ...

the company is a leading quantitative trading firm founded in 1998. Tower has built its business on a high-performance platform and independent trading teams. We have a 25+ year track record of innovation and ...

About The Role Backend Engineer Location: Mendrisio, Switzerland Please note, this position is based in our Swiss HQ in Mendrisio, Switzerland, which is 7km over the border from Italy and easily commutable from Milan, Como ...

Rust Engineer - Trading Systems About Keyrock Since our beginnings in 2017, we've grown to be a leading change-maker in the digital asset space, renowned for our partnerships and innovation. Today, we rock with ...

Ready to do the most impactful work of your career? At Coinbase, we are uncompromising on our mission to increase economic freedom. The bar is high, the environment is intense, and we like it that ...

Core Engineering Java Development Lead – FX Tech (SVP) Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses ...

## Core Engineering Java Development Lead – FX Tech (SVP)Applylocations: London United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: 26959889**Core Engineering Java Development Lead – FX Tech (SVP)**Engineer the future of global ...

Engineer (Mobile Infrastructure) Term: Contract until year-end (with strong potential for extension) Location: 100% Remote Tech Stack: C++, iOS, Android, HTTP/2+, WebSockets, Custom Shared Libraries What You'll Actually Do This isn't your standard mobile feature-building role. You will sit squarely at the boundary … navigate large, multi-platform codebases (Android/iOS) and know how to ship robust SDKs. A Networking Nerd: Deep knowledge of HTTP/2+, WebSockets, retries/backoff, and handling offline resilience is second nature to you. A Technical Leader: You love setting engineering norms, conducting design reviews, and guiding ...

Citi London is seeking a Senior Applications Developer to join a team delivering pricing solutions for the Foreign Exchange business. You will cover the full software development lifecycle—from analysis to testing—while providing technical ...

We’re working with a top London-based creative agency on an exciting immersive installation project and we’re looking for a freelance Unreal Engine 5 Developer to join the team for up to 8 ...