Senior Software Engineer - SaaS, Remote (UK/US/Estonia)

Linnworks; Chichester; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Remote & flexible working

Hybrid options London

Laptop & home office budget

Private Medical Insurance

Group Life Insurance

Headspace wellbeing

EAP guidance

25 days holiday

Training & development

Job summary

Personio in the United Kingdom is seeking a Senior Software Engineer to design and deliver complex features in a production SaaS environment. You will own technically significant work, mentor junior engineers, and help maintain high quality and performance while aligning with our architecture.

This role offers remote-friendly flexibility with hybrid options in London or Chichester, strong team culture, and comprehensive benefits.

Qualifications

• Production SaaS experience with high-quality delivery.
• Ability to mentor engineers and influence through example.
• Strong focus on testing, performance and maintainability.
• Sound technical judgment under pressure.

Responsibilities

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

Skills

SaaS experience

Complex delivery

Testing & performance

Mentoring others

Technical judgment

Tools

C#

Job description

Personio in the United Kingdom is seeking a Senior Software Engineer to design and deliver complex features in a production SaaS environment. You will own technically significant work, mentor junior engineers, and help maintain high quality and performance while aligning with our architecture.

This role offers remote-friendly flexibility with hybrid options in London or Chichester, strong team culture, and comprehensive benefits.