Senior Software Engineer — High-Impact, Mentoring, SaaS

Linnworks; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Laptop budget £500

Private Medical Insurance

Headspace premium subscription

EAP 24/7 support

25 days holiday

Job summary

Linnworks is seeking a Senior Software Engineer to tackle technically challenging problems and mentor junior engineers. You will deliver complex features in a production SaaS environment, ensure code quality, and participate in design discussions with the team.

In this remote-friendly role, you will collaborate across regions (UK/Estonia/US) and work hybrid with on-site options in London or Chichester. Strong problem-solving and code-review skills are essential.

Qualifications

• Strong experience as a software engineer in a production SaaS environment.
• Proven ability to deliver complex, high-quality solutions.
• Strong understanding of testing, performance, and maintainability.
• Ability to mentor others and influence through example.
• Sound technical judgement under pressure.

Responsibilities

• Design and implement complex features and improvements.
• Take ownership of technically significant or high-risk work.
• Ensure solutions are maintainable, testable, and well understood.
• Help diagnose and resolve complex production issues.

Skills

Production SaaS

Complex solutions

Testing & performance

Mentoring

Technical judgement

Tools

C#

Job description

Linnworks is seeking a Senior Software Engineer to tackle technically challenging problems and mentor junior engineers. You will deliver complex features in a production SaaS environment, ensure code quality, and participate in design discussions with the team.

In this remote-friendly role, you will collaborate across regions (UK/Estonia/US) and work hybrid with on-site options in London or Chichester. Strong problem-solving and code-review skills are essential.