Consultant - RPG to Node.js Migration

🚀 Consultant - RPG to Node.js Migration

Location: Poland (Remote) 

Contract: B2B, Full-Time

Join the Future of Digital Tech with Kolomolo

At Kolomolo, we don’t just follow trends - we set them. As a global supplier of IT services and digital modernization solutions, we help businesses embrace cutting-edge technology to optimize their operations. Now, we are growing and looking for fresh talent to grow with us.

Are you proactive, tech-savvy, and eager to build your career in IT? This role could be your perfect fit.

About the Role

We are seeking an experienced Consultant with strong expertise in IBM RPG (Report Program Generator) and Node.js to support our RPG-to-Node.js migration initiative. The consultant will play a key role in assessing, designing, and executing the migration of legacy RPG-based business logic to modern JavaScript-based frameworks while ensuring system reliability, performance, and maintainability.

What You’ll Be Doing

• Analyze existing RPG programs and AS/400 (IBM i) application logic to understand business processes and technical dependencies.

• Design and implement equivalent solutions using Node.js, ensuring parity in functionality and performance.

• Collaborate with architects to define and present migration strategies, coding standards, and best practices.

• Support the refactoring of RPG code into modular, scalable, and API-driven architectures.

• Assist in developing tools, scripts, or automation to streamline migration and testing.

• Provide documentation, technical guidance, and knowledge transfer to internal teams.

• Troubleshoot and resolve technical challenges during migration and post-migration phases.

• Work independently and take ownership of assigned deliverables throughout the migration lifecycle.

  
  

 What We Are Looking For

• 5+ years of experience in RPG (ILE, Free-form, or legacy) development on IBM i / AS400 platforms.

• Strong hands-on experience with Node.js, Express.js, and modern JavaScript (ES6+).

• Proven experience in modernization or migration projects, preferably RPG to open-source or cloud-native technologies.

• Understanding of RESTful APIs, microservices, and database integration (SQL).

• Experience in RPG to Node.js migration tools would be an advantage.

• Excellent problem-solving and analytical skills with attention to detail.

• Strong communication skills and ability to collaborate in a cross-functional, global environment.

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What is in It for You

•  Competitive salary and benefits.

•  Career development opportunities in a growing tech company.

•  Continuous learning culture: mentorship, internal training, and certifications.

•  Flexible, agile work environment (remote, hybrid, or on-site in Kraków).

•  Office perks: great coffee, tea, fresh fruit, snacks, and a fun atmosphere.

•  Flat management structure, where your voice matters.

•  Regular team events and a social, supportive work culture.

•  B2B contract or Contract of Mandate (Umowa Zlecenie).

🌟 Why Join Kolomolo?

At Kolomolo, we prioritize innovation, agility, and autonomy. Our teams have the freedom to own their work, share ideas, and make meaningful contributions. Inspired by Scandinavian values, we believe in work-life harmony and creating an inclusive culture where everyone thrives.

You will be part of a passionate, skilled, and friendly team that works hard and celebrates together. Here, you can build your career on your own terms, with opportunities to grow, learn, and make a real impact.

Our Flat Structure & The Culture of Inclusion 

At Kolomolo, we break the corporate mold. We offer:

• Agile Teams & Autonomy: No micromanagement. You’ll own your projects and enjoy the freedom to innovate.

• Work-Life Harmony: Inspired by Scandinavian values, we prioritize balance and flexibility, where remote work and asynchronous collaboration are in our DNA.

• Learning & Growth: Continuous learning is at our core. We reward hard work, value smart ideas, and foster an environment of mutual respect and trust.

• Inclusive Culture: We believe in DEI: diversity, equity and inclusion. We are committed to creating an environment where every individual, regardless of background, identity, or experience feels valued, respected, and empowered to thrive.

Join Kolomolo and elevate your career with cutting-edge technology, a supportive team, and a company that truly values your input.

Ready for the next step? Apply now and start an exciting journey of growth and innovation with us!