Senior Embedded Software Engineer

🚨 Immediate Contract Opportunity – Senior Embedded Software Engineer (Outside IR35)

Are you an experienced Embedded Software Engineer who thrives on bringing products across the finish line? I’m working with an innovative engineering client who needs a hands-on expert to step in and help deliver 2–3 products into production, you will be working on a temperature controller used for an innovative domestic and commercial application.

This is a high-impact role where your work will directly shape final delivery and there is scope for a longer term working relationship past this date.

⏱ Fast-Track Hiring Process

  • CV review: 09/04/26 (4:30 PM)
  • Interviews: 13/04
  • Start date: 20/04 (This can be flexible for the right person).

πŸ’‘ What You’ll Be Doing

  • Taking ownership of temperature controller products in late-stage development
  • Delivering high-quality Embedded C code on PIC microcontrollers
  • Ensuring systems are robust, fully tested, and production-ready
  • Working with schematics & digital-to-analog conversion
  • Collaborating closely with hardware, knowledge of KiCad is beneficial

πŸ“ Location: Hybrid (50% remote / 50% onsite in Southampton)

πŸ“… Contract: Initial 4 months

πŸ” Potential: Strong chance of extension or permanent role

πŸ’Ό IR35 Status: Outside IR35

βœ… What We’re Looking For

  • Proven experience with Embedded C
  • Strong understanding of electronics & hardware integration
  • Ability to hit the ground running and deliver under tight timelines
  • Comfortable stepping into late-stage projects and driving them to completion

πŸ”₯ Why This Role?

  • Immediate start with a fast decision process
  • Work on real, tangible products nearing launch
  • High autonomy and visible impact from day one

πŸ“© Interested?

Apply now or send me your CV today β€” interviews are moving quickly, and this won’t be on the market for long.

Job Details

Company
X4 Technology
Location
Southampton, England, United Kingdom
Hybrid / Remote Options
Posted