Senior Software Engineer

Critical Manufacturing is dedicated to empowering high-performance operations to make Industry 4.0 a reality with the most innovative, comprehensive, and modular MES software. We have a global presence, but our headquarters, and the main technical center, are in Porto (Maia), Portugal, where we develop a state-of-the-art solution for Semiconductor, Electronics, Medical Devices, and Industrial Equipment.

Recognized as a Leader by Gartner, we are part of ASMPT, the world's largest supplier of best-in-class equipment, and technological process partner for the electronics and semiconductor industries.

The Role

As a Senior Software Engineer, you will work full-stack with an emphasis on backend development in C#. You will contribute to the continuous improvement of our MES platform through developing scalable, high-quality software supporting real-time control, data collection, and automation in complex manufacturing environments.

What You Will Do

• Create, develop and maintain backend services and their frontend counterparts
• Collaborate with team members and learn to deliver robust, tested solutions
• Support debugging, testing, and documentation efforts to ensure system reliability
• Participate actively in an agile delivery process, contributing ideas and learning best practices

What Success Looks Like

Within your first year, you will have:

• Delivered multiple backend and frontend features with strong test coverage and code quality
• Gained solid understanding of MES architecture and Industry 4.0 applications
• Actively contributed to team code reviews and process improvements
• You've made a department-level contribution either to our working mode or technical stack

Why Join Us

• Be part of a company shaping the future of manufacturing software
• Enjoy the freedom to experiment, innovate, and create systems that will last
• Join a team where storytelling, strategy, and technology meet to make Industry 4.0 real

Requirements

What You Will Bring

• Bachelor's degree in Computer Science or relevant field (or equivalent experience)
• More than 8 years of experience in software development
• Excellent knowledge of object-oriented programming (preferably C#/.Net and Node.js)
• Good knowledge of frontend technologies (preferably TypeScript or Angular)
• Experience designing distributed systems that work 24/7, both at small and large scales
• You believe that complexity kills, and less is more most of the times
• Strong willingness to learn, good communication skills, and teamwork orientation
• Excellent spoken and written English communication skills

What We Consider a Plus (not Mandatory)

• Strong PostgreSQL or ClickHouse experience
• Knowledge of Manufacturing Execution Systems, or Manufacturing processes

Diversity, Equity and Inclusion are a source of commitment and innovation

At Critical Manufacturing, we welcome and encourage applications from individuals of all backgrounds, regardless of disabilities, diverse abilities, identities, or experiences. Our commitment is to create an inclusive environment where everyone has equal opportunities to succeed and thrive.

If you need accommodation during the recruitment process, please let us know - we're happy to support you.