Senior Electronics Engineer

Full Time
Posted 2 months ago


At Hero Labs, we’re not just creating products; we’re revolutionising how people interact with technology to solve real-world problems.
With Sonic, the pinnacle of smart leak protection, we’re on a mission to monitor, analyse, and protect water usage in homes and offices like never before.
Our ambition is boundless, our roadmap exhilarating, and our team ready to expand.
With offices in Poland and the UK and substantial funding from our investors, we’re a startup poised for extraordinary growth.


We seek a unique breed of Electronics Engineer — someone whose mind is perpetually entwined with the fabric of technology, who dreams in schematics and wakes with a burning desire to innovate.
You’re the kind of person who builds what others can’t even fathom, pushing the boundaries of what’s technically and creatively possible.
Your engineering prowess isn’t just your profession; it’s your passion.

Your Core Responsibilities

  • Electronics Design and Development
  • Radio Communication and Battery Technology Innovation
  • Collaboration with Cross-Disciplinary Teams
  • Prototyping and Testing
  • Leading-Edge Research
  • Development of Patentable Technologies

Growth and Opportunity

We’re hinting at more than just a job. This role is a gateway to leadership for those with the vision and vigour to take the reins.

Job requirements


  • English language – both spoken and written.
  • A degree in Electronics Engineering, Electrical Engineering, or a related field. A Master’s degree or higher is preferred.
  • At least 5 years of hands-on experience in electronics design and development.
  • Technical Expertise:
    • Proficient in designing electronic circuits and systems, with a strong foundation in both digital and analog electronics.
    • Experienced in radio frequency (RF) engineering, including understanding of radio protocols, antenna design, and optimisation for performance and compliance.
    • Skilled in the use of electronics design software (EDA tools such as Altium Designer, Eagle, KiCad) for schematic capture, PCB layout, and circuit simulation.
    • Knowledgeable in battery technology and power management strategies for portable and low-power devices.
    • Familiarity with 3D printing technologies and rapid prototyping methods.
  • Experience in Compliance Testing.


  • A strong track record of research and development that has contributed to patentable technologies or significant innovations in previous roles.


  • Full-time employment contract
  • Competitive salary (13,000 – 17,000 PLN gross per month)
  • Contribution to private healthcare
  • Professional training budget
  • Company laptop and equipment
  • Contribution to gym or wellness subscription
  • Employee Pension Scheme
  • Free coffee, snacks and beverages in the office
  • Access to company hardware lab (3D printers, electronic stand) for private purposes
  • Discounts on Company products
  • Contribution to contact lenses/glasses subscription
  • Equity Options in the Company


Send us your resume, a brief cover letter outlining your unique contributions to our team, and examples of projects or achievements that showcase your skills. 


Stage 1 – Apply for the role here or via

Stage 2 – 15-minute virtual interview with the HR rep

Stage 3 – In-person interview with our Head of Engineering

Stage 4 – Interview with our CEO

Apply Online


By clicking on the "Submit" button or otherwise sending a recruitment application to HERO LABS with its registered office at: Częstochowska 38/52/106-107, 93-121 Łódź, Poland and Watergate AI Limited with is registered office at: 5 Jardine House Harrovian Business Village, Bessborough Road, Harrow, Middlesex HA1 3EX, United Kingdom or you agree that the Employer may process your personal data contained in the recruitment application for the purpose of recruiting for the position indicated in the advertisement. You can withdraw your consent at any time by contacting us at: [email protected].

Full information regarding the processing of your personal data can be found here.