The role involves owning product feature development, participating in system design, and maintaining software performance in an agile setting.
Description
We're looking for experienced and exceptional back-end JavaScript developers, with expertise in Node.js. MongoDB, Express, Kubernetes, RabbitMQ, Cassandra and Snowflake.
In this role, you will take full ownership of product and feature development, using cutting-edge technologies, in a fast-paced and professional agile environment.
Responsibilities- End-to-end feature development, from conception to production.
- Participate in system design and architecture planning, for optimal software performance.
- Take on independent responsibilities, while contributing to the team's collective goals.
- Actively learn, adapt and stay up-to-date with the evolving tech landscape, including best practices.
- At least 3 years of hands-on experience in development / engineering, including 2+ years focused specifically on Back-End JavaScript development.
- In-depth understanding of network protocols and security, including TCP/IP, DNS, HTTP, HTTPS, CORS and WebSockets.
- Proficient in system design and architecture to ensure product functionality, performance, scalability, and reliability.
- Fast learner, able to work independently and as a team player.
- Fluent in English, with excellent communication skills.
- Front-end experience with HTML, CSS and React - a significant advantage.
Similar Jobs
.png){kind=logo}
AdTech • Cloud • Digital Media • Information Technology • News + Entertainment • App development
Leads video game quality assurance strategy, teams, testing coverage, and processes. Assigns workloads, oversees test plans and risk assessments, reviews bug reports, supports integration and smoke testing, investigates technical issues using debugging tools and logs, and collaborates with developers, designers, producers, and stakeholders to maintain build stability and improve QA workflows, tools, dashboards, and quality standards.
Top Skills:
DevtrackGitHansoftJIRAPerforceUnityUnreal
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Analyze product, customer, risk, and support data to guide decisions across Block’s platforms. Own metrics, forecasting, staffing models, experiments, visualizations, and measurement frameworks. Evaluate risk models and policies for performance, bias, and drift; use AI tools and agent workflows to improve analytical execution. Partner with product, engineering, and risk stakeholders, lead technical standards, build reusable tooling, mentor data scientists, and contribute to hiring.
Top Skills:
Agent WorkflowsAi ToolsData VisualizationSQL
Artificial Intelligence • Cloud • Computer Vision • Hardware • Internet of Things • Software
Partner with R&D and engineering leaders to manage Cloud, Cellular, and AI infrastructure costs. Analyze financial results, produce management reporting, support month-end close, build forecasts, improve reporting models, develop performance KPIs, and drive annual operating plan planning. The role also involves cost optimization, financial modeling, cross-functional collaboration, and using AI tools to streamline reporting and analysis.
Top Skills:
Advanced ExcelAWSChatgptClaudeCursorDatabricksGeminiGleanGoogle SheetsIotNetSuiteSaaSWorkday Adaptive Planning
What you need to know about the Belfast Tech Scene
If asked to name the birthplace of the RMS Titanic, you might not say Belfast. Similarly, if asked to name Europe's leading destination for foreign direct investment in new software development, Belfast might not come to mind. Yet, both are true. The city has emerged as a tech powerhouse, recently ranked among the best in the U.K. for tech careers — especially for software developers. It also leads the U.K. with the highest percentage of software development jobs advertised.
