> Markdown version of [/jobs/ext/2824339-front-end-developer-mid-to-early-senior](https://www.wearedevelopers.com/jobs/ext/2824339-front-end-developer-mid-to-early-senior). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Front-End Developer (Mid to Early Senior) - **Company:** Cynation Limited - **Location:** Belfast, UK - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Clean Code Principles, HTML, Java (Programming Language), JavaScript (Programming Language), Lisp (Programming Language), Amazon Web Services, Business Analytics Applications, Data Analysis, Automation of Tests, Cascading Style Sheets (CSS), DevOps, Python (Programming Language), PostgreSQL, Node.Js, Redis, Software Engineering, SonarQube, ReactJS, Backend, Gitlab, Vue.js, Kubernetes, Atlassian Tools, Performance Monitor, Data Management, Front End Software Development, Cloudwatch, Docker, Microservices - **Published:** September 10, 2026 - **Apply:** https://www.totaljobs.com/job/front-end-developer-early/cynation-limited-job107964165 ## About the Role As a proficient software engineer and problem solver: * You are keen on delivering innovative, exciting and reliable data and analytics products and platforms that clients interact with regularly * You don't shy away from a challenge. Take the initiative and walk the extra mile to find the right answer * Always keen to learn, grow and share knowledge with colleagues and the industry. Being a professional software engineer: * You are proud to deliver high-quality code and maintain such quality through continuous testing, adopting best practices, reducing code complexity and incorporating critical feedback * You believe that collaboration with clear and consistent communication and excellent documentation are key for successful product development * You are pragmatic and comfortable making short-term development decisions without losing sight of the product's long-term vision and development roadmap Having been in the industry, you have: * Strong and demonstrable experience developing highly intuitive and interactive interfaces for analytics products * Solid knowledge of front-end development best practices in JavaScript, HTML, CSS, and D3 * Good experience in working with front-end development frameworks: React and Vue.js Our development team works through seven project-based cycles a year. Each cycle consists of three two-weeks sprints documented and tracked in Atlassian (Jira and Confluence) and GitLab. New features and functions are continuously deployed throughout a project cycle with the support of GitLab to automate and streamline the DevOps process. Ahead of deployment, new code requires passing our pre-commit reviews (quality, functionality and security), which we use Deepsource, Codesens and SonarQube. Our platform technology stack consists of: * Containerised Java and Node.js microservices hosted on AWS * PostgresSQL, Redis, dbt and Metabase for data management and analytics * Python and LISP for the AI and ML modules * Kubernetes and Docker to manage and scale container deployments * CloudWatch and honeycomb.io for performance monitoring and incident response * React, JavaScript, HTML, CSS and D3 for the interactive front-end and visualisation * Intercom and Segment to streamline customer service and support ## Description We are looking for an experienced Full-stack or Back-end Software Engineer who is keen to advance into a more senior role and join our small, international and agile team of talented problem solvers. Take ownership of shaping and developing the underlying innovation of our award-winning flagship platform for Digital Risks Management and Analytics. Play an essential role in updating and maintaining our development strategy, development life cycle, and product roadmap while supporting and collaborating with the team to deliver a smooth product experience and innovative new features. ## Related Videos - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Empowering Thousands of Developers: Our Journey to an Internal Developer Platform](https://www.wearedevelopers.com/videos/1519-empowering-thousands-of-developers-our-journey-to-an-internal-developer-platform) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. 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