Are you passionate about building sophisticated enterprise solutions and working with cutting-edge AI tools? We at Sigma Software are looking for a Senior Full Stack Developer to join our internal HRMS/ERP project team. This role offers flexibility for Back-end specialists willing to contribute to Front-end development.
You will work remotely, collaborating with a highly skilled team across Ukraine and Europe. At Sigma Software, we value innovation, professional growth, and delivering top-quality solutions. Joining us means access to continuous learning, challenging projects, and a supportive environment.
This is an internal Sigma Software initiative, developed and maintained by our engineering teams. The solution is designed to optimize business processes, streamline operations, and enhance employee engagement across the company.
PROJECT
Our HRMS/ERP system is a comprehensive platform integrating automation, cloud infrastructure, and advanced AI tools to improve operational efficiency. The project involves complex integrations, scalable architecture, and modern development practices.
Job Description- Design, implement, and debug software modules, components, and complete systems of small to medium complexity
- Develop unit, integration, and automated end-to-end tests
- Perform thorough self-testing of code, covering key scenarios and edge cases before marking tasks as complete
- Follow best engineering practices aligned with company SDLC and guidelines
- Mentor junior specialists, providing guidance and conducting peer reviews to ensure quality delivery
- Participate in requirements clarification sessions, proactively raising questions and ensuring readiness for implementation
- Conduct peer reviews with middle and senior specialists, actively requesting feedback
- Contribute to estimation and planning sessions
- Act as feature leader when applicable, overseeing delivery from requirements gathering to defect resolution
- Prepare technical and user documentation
- Track task progress against estimates and schedules, proactively flagging risks
- Participate in project and team meetings, providing relevant updates
- Support build and deployment automation where applicable
- Continuously develop skills and qualifications, aiming for advancement to Senior role
- Attend training courses, seminars, and conferences
- Join customer meetings, both virtual and in-person
- 5+ years of experience with TypeScript and JavaScript
- Back-end: 5+ years of experience with Node.js; experience with NestJS
- Experience with AI tools: Cursor, Claude Code
- Databases: MySQL (Relational), Redis (Document-based)
- Optional Front-end: React JS, TypeScript, JavaScript
- DevOps: General understanding of CI/CD practices
- Cloud: Experience with Azure and/or AWS
- English: Upper-Intermediate level
WILL BE A PLUS
- Process automation experience
- Business process modeling skills
- ERP systems experience
- Familiarity with Scrum frameworks
PERSONAL PROFILE
- Proactive communication
- Adaptability in fast-paced environments
- Attention to detail
- Interest in working with AI tools
Top Skills
What We Do
Sigma Software Group, an award-winning and trusted IT partner, has been serving customers for over 21 years, providing comprehensive IT solutions to various businesses, ranging from startups to established software product houses. As one of Europe's substantial IT consultancies, it brings together a dedicated workforce of over 2,100 professionals in 40 offices across 19 countries. With a diverse client base, including more than 300 enterprises, including Fortune 500 stalwarts, Sigma Software Group is a preferred choice for developing solutions that help businesses create cutting-edge products while meeting their unique needs. Sigma Software Group operates as a dynamic ecosystem of tech companies, offering 25 ready-to-implement innovative products and 40+ value-added services. Furthermore, Sigma Software Group is committed to fostering innovation through initiatives such as the Sigma Software Labs business incubator, Sigma Software University, the SID Venture Partners VC Fund, UA Tech Network, Techosystem, the European Business Association, and other collaborative efforts. Since 2015, Sigma Software Group has consistently earned recognition on the IAOP's prestigious World's Top 100 Outsourcing list. The company's accomplishments have also been acknowledged by prominent global media outlets such as Forbes, CNBC, The Times, and Reuters
