🟢 Actively Hiring · 8d ago ⏳ Closes in 83 days 🇬🇧 UK Corridor 🛡️ UK Work Eligibility 🏢 FULL_TIME

Junior C# Software Engineer

🏢 Marine AI · 📍 Plymouth, England · 🕒 Oct 14, 2026 · Ref: OP-VERIF-872C5FB3
Benchmark Compensation (Annual Base)
£22,000 - £32,000
£1,833 - £2,667 / mo
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Position Overview & Specifications

MarineAI Ltd – C# Software Engineer (Junior)
MarineAI is a multi-disciplined specialist in the design, manufacture and construction of underwater vehicles and equipment and is currently looking for a Software Engineer to focus on the growth of our work focused on marine autonomy and machine learning.

Role:

Reporting to the Chief Software Engineer. MarineAI offers a flat organizational structure with engineers owning their respective systems. The applicant will therefore be required to remain involved in a system from its creation all the way through to sea-trials and sign-off.

Responsibilities:
Perform design, development, testing, and prototyping of various maritime embedded control applications.

Continue to develop and maintain existing software products and libraries.

Research, develop and prototype advanced hardware and software technologies related to computer vision, path planning and optimization, redundant system design and control systems.

Write technical documents explaining procedures, functions as well as end-user operational documentation.

Essential experience:

Bachelor’s degree in computer science, electronics, robotics, or similar discipline.

Strong skills in primarily C#, but also Python and C++, along with their respective coding practices.

Keen interest in the maritime sector and a willingness to continue to develop their skillset through mentoring and online courses.

Strong oral, written and interpersonal communication skills and an ability to work in a team environment.

Desirable Experience:
Fluency with Linux and windows development environment and Docker containers.

Knowledge of mechanics, statistics and understanding of applied mathematics.

Knowledge of various sensor systems (i.e., EO/ IR cameras, Radar, LIDAR, etc.)

Strong understanding of software design methodologies.

Must be detail-oriented and organized and be able to handle a variety of tasks in an efficient manner.

Thorough understanding of working in development, staging, and production environments

Other Considerations:

  • The candidate should be eligible to work permanently in the UK.
  • The role may require the candidate to be security cleared up to SC level.
  • The role may require travel at times to the US.
  • The role is 40 hours per week, flexible working between the hours of 8am and 7pm Monday to Friday and possible overtime.  The role is subject to a 3-month probationary period.

Job Types: Full-time, Permanent

Salary: £22,000.00-£35,000.00 per year

Benefits:

  • Casual dress
  • Company pension
  • Cycle to work scheme
  • Flexitime
  • Free parking
  • On-site parking

Schedule:

  • Flexitime
  • Monday to Friday

Ability to commute/relocate:

  • Plymouth, Devon: reliably commute or plan to relocate before starting work (required)

Education:

  • Bachelor's (preferred)

Experience:

  • C#: 1 year (required)

Work authorisation:

  • United Kingdom (required)

Work Location: One location

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