Senior Software Test Engineer

Lyten, Inc.; Województwo pomorskie; On-site; PLN 171,526 - 278,730; Full time

Benefits offered by this job

Collaborative work environment

Opportunities for career growth

Contributing to meaningful projects

Job summary

Lyten, Inc. is seeking a Senior Software Test Engineer to validate cutting-edge software solutions for energy storage systems in Gdansk, Poland. You will design and execute automated tests to ensure robust performance and security across various operating conditions.

The ideal candidate has 3+ years of experience, proficiency in Python, and a degree in Electrical Engineering. This is an opportunity to work with a passionate team dedicated to driving innovation in energy technologies.

Qualifications

• 3+ years of hands-on testing experience.
• Capacity to design automated and manual tests for software validation.
• Familiarity with industry standards like ISO 26262 or IEC 61508.

Responsibilities

• Own end-to-end validation of software for energy storage.
• Collaborate with Firmware, Systems, and Quality teams.
• Mentor team members and conduct test reviews.

Skills

Proficiency in Python

Hands-on testing of energy storage systems

Ability to read schematics and firmware code in C

Excellent English skills

Education

Degree in Electrical Engineering (B.Sc. or M.Sc.)

Tools

EMS, HMI, battery packs

Programmable power supplies

CAN/Ethernet interfaces

Job description

Senior Software Test EngineerSkip to main content#Senior Software Test Engineer page is loaded## Senior Software Test EngineerApplylocations: Gdansk, Polandtime type: Full timeposted on: Posted Todayjob requisition id: JR100699Lyten is leading an industrial revolution through Lyten 3D GrapheneTM, a breakthrough supermaterial unlocking a new generation of products — from lithium–sulfur batteries and energy storage systems to concrete admixtures, lightweight composites, and next-generation sensors that are revolutionizing industries. Together, these innovations are making a massive global improvement and driving real-world impact across energy, mobility, construction, and defense.At Lyten, we believe the most meaningful careers begin with purpose — and with people who want to make a difference. We’re not just developing advanced supermaterials — we’re about to change the world as we know it, reshaping how energy is stored, how products are built, and how progress is made.We’re entering an exciting growth phase, scaling production across the U.S. and Europe and expanding our team of engineers, scientists, and innovators.Apply now to join our team and be part of something bigger than yourself — where collaboration, creativity, and purpose come together to build the technologies that will define the next century.**Key responsibilities*** As a Senior Software Test Engineer, you will own the end‐to‐end validation of our software.* You will design, develop, and execute automated and manual tests that verify performance, security and reliability across the full range of operating conditions typical for mobile energy storage.* Close collaboration with the Firmware, Systems, and Quality teams is essential to ensure every BESS meets stringent industry standards.**Requirements*** 3+ years of hands‐on testing of energy storage systems.* Proficiency in Python.* Ability to read and interpret schematics, PCB layouts, and firmware code written in C.* Comfortable in writing detailed test specifications, acceptance criteria, and traceability matrices linked to system requirements and safety standards for battery systems.* A plus if familiar with industry standards such as ISO 26262, IEC 61508, UL 1973, etc.* A degree in Electrical Engineering degree (B.Sc. or M.Sc.) or another related field.* Be able to build and maintain test setups (EMS, HMI, battery packs, programmable power supplies, CAN/Ethernet interfaces) that emulate battery systems and interfaces, as well as perform tests on physical systems.* Proficient in developing scripts (Python) to run repeatable test campaigns (functional, stress, thermal, fault‐injection).* Ability to collect, process, and interpret test data; generate clear reports and dashboards for engineering and management review.* Prowess at diagnosing failures in hardware, firmware, or model implementations; work with cross‐functional teams to implement corrective actions.* Mentoring team members, conducting test reviews, and leading root cause analysis (RCA) on critical issues.* Excellent English skills, both written and spoken**Why Work at Lyten**At Lyten, you’ll be part of a team that’s redefining what’s possible in energy, materials, and manufacturing. We’re not just imagining the future — we’re building it today with breakthrough technologies that are changing how products are made and how industries innovate.Our people are the heart of that mission. From world-class scientists and engineers to creative problem-solvers in operations, manufacturing, and commercialization, every member of the Lyten team plays a role in turning bold ideas into real-world impact. We believe that the best work happens when you’re doing great things in the world — with people you like. Collaboration, curiosity, and a shared sense of purpose drive everything we do.What You’ll Find at Lyten* A mission that matters: Contribute directly to solving complex challenges in energy, mobility, and materials innovation.* Cutting-edge innovation: Work on technologies at the intersection of materials science, energy storage, and advanced manufacturing that strengthen energy security and local supply chains.* Extraordinary people: Join a team of talented, friendly, and down-to-earth innovators who support, challenge, and inspire one another every day.* Teamwork and culture: Experience a workplace built on trust, respect, and shared success — where collaboration fuels breakthroughs and everyone’s ideas are heard.* Global impact: Help scale new materials and energy solutions that reinforce industrial resilience across the U.S. and Europe.* Career growth: Be part of a fast-moving company entering a commercial growth phase, with opportunities to lead, learn, and make your mark.* Purpose-driven values: Thrive in an environment that celebrates ingenuity, optimism, and meaningful progress — together.Lyten offers the opportunity to do the most important work of your career — helping build the technologies that will power the next century of innovation.Join us, and help transform industries, communities, and the planet with friends who share your drive to make a difference.