We are hiring a talented Back-End Engineer who excels at working with optimizing algorithms with a strong ability to tackle complex problems with multi-dimensional constraints and deliver top-notch, ready-to-use solutions. In this role, you'll focus on developing and maintaining advanced graph and network optimization algorithms and specialized services.

• Design, develop, and maintain back-end services implementing advanced graph and network optimization algorithms
• Optimize existing algorithms and solutions for performance and scalability.
• Ensure the system architecture supports high availability, scalability, and robustness.
• Develop and own features end to end, alone or as collaboration with another team mate.
• Collaborate with cross-functional teams to understand requirements and deliver solutions that meet user needs and performance criteria.
• Review, maintain and refactor existing code to meet the requirements for improved or new features

• Relevant experience as a Back-End Engineer, with a focus on optimization algorithms and graph theory.
• Strong proficiency in Python; familiarity with C++ is a plus.
• Solid understanding of optimization algorithms, particularly graph algorithms.
• Experience working on projects or problems involving graph and network optimization is highly desirable.
• Exceptional communication skills, with the ability to convey complex concepts to both technical and non-technical stakeholders.
• Fluent written and spoken English

Shape the future
Have a direct impact on the electronics industry with our agile and international team.

Feel welcome
Enjoy our startup atmosphere and get to know the CELUS team at regular team events and our annual company offsite.

Lunch on us
Enjoy meal allowance, with a Coverflex card, which can be used in restaurants, supermarkets, food delivery services within the VISA network.

Stay healthy

Benefit from Private Health Insurance through the leading health insurance brand in Portugal, ensuring peace of mind for your well-being.

Learn and develop
Improve your skills with our learning platforms, English/Portuguese language classes, trainings and workshops.

Decide where and when you work
Enjoy hybrid office environment with home office allowance, flexible working schedule, “workation” program, 24 vacation days plus additional paid Christmas week holiday.

Relocate easily
Start swiftly and smoothly with our relocation allowance and adaptation program.