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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer (Platform) - **Company:** Cloudsmith - **Location:** Belfast, UK (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Amazon Web Services, Amazon Cloudfront, Amazon S3, Code Review, Continuous Integration, Database Queries, Distributed Systems, Django Web Framework, Python (Programming Language), PostgreSQL, Software Engineering, Rust (Programming Language), Cloud Platform System, System Availability, Backend, Event Driven Architecture, Functional Programming, Terraform, Data Pipelines, Golang, Programming Languages - **Published:** June 6, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=9fd82091e5aa45f2 ## About the Role Do you have experience in Terraform?, TL;DR: We are looking for a collaborative engineer with a bias for action and a strong focus on delivering customer value. If you are motivated to solve complex systems problems across infrastructure, platform reliability, and backend software, and thrive in an environment where no two weeks look the same, you will find a supportive home at Cloudsmith., We realise that not everyone will have every experience and expertise in every possible thing. Still, if you have many of the following, we might be a great place to progress your career. * Experience: 5+ years (or equivalent) of professional experience building, testing, and maintaining complex distributed systems in production. * Technical Proficiency: Proficiency with programming languages such as Python (Django), Golang, Rust, Java, or similar * Infrastructure: Familiarity with cloud-based infrastructure and related services (AWS, CloudFront, Lambda, ECS, Postgres, S3, Kinesis, Terraform), container runtimes, event-driven architectures (high volume data pipelines), and continuous integration. * Iterative Delivery: You understand the importance of shipping early and often and delivering value iteratively. * Communication: An enthusiastic and effective communicator who can bridge the gap between technical and non-technical stakeholders. * Mindset: Deeply passionate about your craft, eager to learn, and comfortable admitting what you don't yet know. Benefits, Location & Work Environment Note: You must be based in Ireland or the United Kingdom and have the right to work independently without requiring sponsorship. ## Description As a Senior Software Engineer on the Core Platform team, you'll work across the systems that keep Cloudsmith fast, reliable, and scalable for our global customer base. This is a broad, high-impact role that sits at the intersection of infrastructure and software engineering. You'll be as comfortable tuning a slow database query or diagnosing a production incident as you are designing and shipping a new platform capability. You'll need good instincts, strong technical judgement, and the ability to move with confidence in ambiguous situations., * Build: Design, build, and ship new features and optimisations for our platform infrastructure * Resilience: Help keep our systems fast, reliable, and running smoothly at a global scale. * Collaborate: Work closely with teammates from product, design, and customer success to solve complex problems together * Quality: Prioritise quality and security through rigorous testing, monitoring, and sustainable engineering habits. * Mentor: Share your knowledge through code reviews, documentation, and mentoring others to foster a growth-oriented environment. ## Related Videos - [Shipping Faster with Less: Render on Cloud Hosting, AI Workloads, and the Future of DevOps](https://www.wearedevelopers.com/videos/1894-shipping-faster-with-less-render-on-cloud-hosting-ai-workloads-and-the-future-of-devops) - [WeAreDevelopers LIVE - CSS is DOOMed](https://www.wearedevelopers.com/videos/1838-wearedevelopers-live-css-is-doomed) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Building Systems that Last](https://www.wearedevelopers.com/videos/1389-building-systems-that-last) - [Hate organising your photos? 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