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PhysicsX (posted via AI Startups UK) seeks a Senior Software Engineer to build its AI Workbench ML platform: designing distributed systems in Go and Python on Kubernetes, owning work end to end, and mentoring engineers in a startup-like, London-based team with remote flexibility.
Plum, a smart saving and investing app, is hiring a Senior Backend Engineer in London to design modular, scalable services and ship high-impact features with product, design, and data teams. The role is hybrid with London office days and offers stock options.
Senior Backend Engineer at Plum, a smart saving and investing app serving 2M+ users across Europe. You'll design and build scalable backend services across the full software lifecycle using Kotlin/Spring Boot and Python/FastAPI on GCP, with Postgres, BigQuery, Kubernetes, and RabbitMQ, while mentoring juniors and collaborating with product.
A senior backend engineer designs and builds high-performance Python/Django APIs and microservices for a fully remote, international team powering a global connectivity platform used by travelers. Day to day involves translating business requirements into scalable backend solutions, enforcing testing and code quality, and improving performance under high load.
Contract, 100% remote Java backend role: design, build, and maintain scalable backend services and REST APIs using Java, Spring Boot, and modern microservice patterns, deploying cloud-native services to AWS/GCP/Azure with CI/CD while supporting distributed teams across time zones.
A senior backend engineer designs, builds, and operates Node.js/TypeScript services on AWS for production-grade, generative-AI-powered applications, combining hands-on coding with architectural decisions in a distributed team.
Senior backend engineer building and enhancing a Go-based microservices platform using Protobuf and gRPC for complex data workloads. Day to day you own critical components in small agile teams and contribute to CI/CD pipelines with Kubernetes, Docker, and Ansible, working remotely from the UK.
Senior engineer doing hands-on Java backend development at Rockstar Games' in-office Dundee studio: designing scalable APIs, optimizing performance, and building large-scale game development tooling with a global tech team. Core stack: Java, Spring Boot, Hibernate, Kafka, and Linux.
Senior Backend Engineer at On the Beach, a UK travel tech company, designing and building scalable cloud-native backend services and APIs on AWS that power supplier integrations and customer experiences. The role involves owning complex components in distributed systems and shaping deployment, observability and reliability practices.
Senior backend engineer on Aalyria's Spacetime team building a cloud-native platform that orchestrates 5G NTN (satellite) and Direct-to-Cell services, coordinating satellite operators with terrestrial networks. Day-to-day is distributed systems design in C++, Go, and Java using gRPC and Protocol Buffers, deployed on Kubernetes.
Design, build, and maintain scalable Java-based backend systems for fintech products, developing REST APIs and microservices for payments, treasury, and transactions using Spring Boot and PostgreSQL. The role emphasizes clean code and TDD in a hyper-growth startup, working from the London office 3–4 days per week.
Senior backend engineer at Origin8tive in Cheltenham (DV clearance required) designing, building, and maintaining high-performance backend software in Java and C++ on Linux. The role involves working directly with customers, mentoring juniors, and driving code quality, automation, and testing practices.
AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML,…
Scandit is hiring a Senior Backend Engineer in Tampere to build and run the backend for ShelfView, its ML-powered retail shelf-monitoring platform. The work centers on scaling distributed Python/Django services on GCP/AWS with Temporal, Postgres, and Kubernetes, plus GPU model serving, multi-tenancy, and observability.
Senior 1C programmer working on-site (no remote) at SPAR Kaliningrad, a grocery retail chain, developing and supporting the company's 1C-based systems. Salary starts at 250,000 RUB gross per month.
Hey, I'm Niklas, co-founder and lead of our Platform Engineering team at Kombo! I’m looking for an excellent backend engineer with high agency who gets excited about the hardest technical parts of scaling a…
Back-end developer (Middle+/Senior) building a high-load realtime betting engine on Node.js/TypeScript with Express 5, PostgreSQL/Prisma, Redis, Kafka, ClickHouse and WebSocket/Socket.IO. Day to day: round lifecycle and payout logic, synchronized realtime broadcast with bet-lock, event pipelines, antifraud storage, observability, tests and fault tolerance.
Maintains and modernizes backend components of Montrium's Connect platform in Montreal — working on configuration models, APIs, and SDKs integrated with SharePoint — to deliver secure, scalable features for life sciences customers.
Senior .NET backend developer building and deploying REST APIs and event-driven microservices (Docker, Kubernetes, Kafka, MS SQL) for an insurance organization's enterprise systems. A 5-month remote contract (37.5 hrs/week, one in-office day per month) with potential to go permanent.
Senior .NET Backend Engineer designing, building, and deploying REST APIs and microservices in an insurance-focused environment, working mostly remotely with one in-office day per month in Toronto. Core stack includes .NET, event-driven architecture with Kafka, Docker, Kubernetes, and CI/CD via Jenkins and Ansible.
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