Senior Backend Developer, TypeScript, Node.js

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Holycode

WebsiteLinkedInAll Job Openings

201 - 500 employees

Software Development • IT Staffing • Technology Consulting

Holycode is a technology company specializing in software development and IT staffing services. They offer a wide range of services including nearshore software teams, ERP development, low-code development, and full-cycle product development. Since 2014, Holycode has been providing software development outsourcing and nearshoring solutions, helping clients scale efficiently with tailored teams. They focus on building long-term partnerships with their clients, supporting them from initial concept to IPO, and ensuring successful project delivery. As a trusted partner, Holycode has facilitated growth and innovation for over 120 brands, employing over 400 professionals across its operations.

📋 Description

• Design, develop, and maintain scalable backend applications using TypeScript and Node.js • Build high-performance RESTful APIs and backend services • Design and optimize relational and NoSQL database models • Use AI-assisted development tools (such as Claude Code, Codex, Gemini, or similar) as an integral part of the software development lifecycle, including implementation, testing, debugging, and code reviews • Develop clean, maintainable, and well-tested code following best engineering practices • Collaborate closely with frontend developers, product managers, QA engineers, and other cross-functional team members • Participate in architectural discussions and contribute to technical decision-making • Optimize application performance, scalability, and security • Integrate third-party services and APIs • Write and maintain technical documentation • Perform code reviews and mentor other developers when needed • Stay up to date with emerging backend technologies, frameworks, and engineering best practices • Work in an agile environment with a strong focus on delivering high-quality software

🎯 Requirements

• Bachelor's degree in Computer Science, Software Engineering, or related field • Minimum 5 years of professional backend development experience • Strong professional experience with TypeScript and Node.js backend development • Experience with frameworks such as NestJS, Express.js or similar • Experience designing scalable backend architectures • Strong experience in database design, data modeling, and SQL databases. • Proven experience using AI-assisted coding tools (such as Claude Code, Codex, Gemini, or similar) to improve productivity while maintaining code quality, security, and engineering best practices • Experience with PostgreSQL, MySQL and/or NoSQL databases • Experience building REST APIs • Experience with asynchronous programming • Experience monitoring and debugging production systems • Knowledge of OpenAPI/Swagger for API documentation. • Strong knowledge of software design principles • Experience with Git and Docker • Experience deploying applications to cloud platforms (AWS, Azure, GCP) or modern hosting platforms such as Railway,Supabase • Experience writing automated tests and ensuring code quality • Excellent problem-solving skills • Fluent in spoken and written English

🏖️ Benefits

• Full-time employment with flexible working hours • Work equipment provided • 100% paid sick leave up to 30 days • 25 days of paid vacation, plus one additional paid vacation day for every two years spent in the company • Private health insurance • Employee Referral Program • Modern office in Belgrade with a fully stocked kitchen and game area • Weekly team meals: Tuesday breakfast, Pizza/Barbecue Wednesday, and Friday lunch • English and German language lessons during working hours • New Year's gifts and theater shows for employees' children • Opportunity to work on innovative products using modern technologies • Supportive environment focused on learning, knowledge sharing, and professional growth