Backend (Node.js) Developer

Job summary:

The Backend (JavaScript and TypeScript) developer role at group.one is a strategic position focused on developing and enhancing scalable and secure SaaS products that help small and medium-sized businesses in Europe grow by simplifying how they communicate, collaborate, and manage their online presence - all from a single, integrated platform. This role requires close collaboration with Group Head, Team Lead, and Product Manager.

• Software development: Develop, maintain server-side SaaS applications (components and micro services)
• Scalable modular design: Design or refactor the architecture into loosely coupled services or components, create reusable components across products, and ensure they are easy to update, replace and deploy
• Technical Leadership: Provide expert guidance and mentorship to development teams, promoting best practices in coding, design patterns, and frameworks
• Cross-functional Collaboration: Work closely with product managers and engineering teams to translate and align the architecture with the strategic goals of the product, ensuring scalability, efficiency, and ease of integration
• Project Planning: Participate in project planning by providing accurate estimations, identifying integration points, and assessing technical risks with mitigation strategies
• Code Quality Oversight: Ensure code quality aligns with design and architectural principles through regular code reviews, focusing on security, scalability, and maintainability
• Performance Optimization: Identify and resolve system bottlenecks, working with teams to enhance performance, scalability, and reliability
• Infrastructure Collaboration: Partner with Infra teams to streamline deployment processes and ensure efficient CI/CD workflows for rapid and stable releases

Skills requirements:

Mandatory:

• JavaScript and TypeScript
• Node.js or NestJS
• Databases (MySQL or PostgreSQL)
• Version control systems (Git)
• Unit testing frameworks (e.g., Mocha, Jest)
• Asynchronous programming, micro services, event driven architectures
• System design (Containers, Load balancers, CDN, Caching, Message Queue, Logging)
• Monitoring and alerting using Prometheus and Grafana
• Optimizing applications for performance and scalability
• Problem-solving, data structures, and algorithms
• Confluence and Jira

Good to have:

• Understanding of HTML, CSS, and responsive web design
• Knowledge of distributed systems, APIs, GraphQL
• Experience with Infrastructure-as-Code (using Helm or Kustomize)
• Experience with cloud platforms (AWS, GCP, or Azure)

Education and experience requirements:

• Bachelor’s degree (B.Tech. or B.E.) in Computer Science or Information Technology
• 5–8 years of relevant experience in backend development using Node.js and TypeScript

Keywords

• TypeScript, Node.js, JavaScript, Kubernetes, CDN, Redis, Code review, Code quality, CI/CD, Git, SonarQube, Webpack, NPM, Unit testing, MySQL, PostgreSQL, Design principles, Data structures, Algorithms, Confluence, Jira, Agile.