Senior Software Engineer

Linnworks-UK

Full-time

Permanent employee

Your Mission

Reports to: Engineering Team Lead

Works closely with: Engineering Tech Lead, QA team members

Software: C#

Location: UK / Estonia / US (remote-friendly within these regions)

Role purpose

The Senior Software Engineer is a high-impact individual contributor who delivers complex work and raises the effectiveness of the team around them.

This role exists to tackle technically challenging problems, support less experienced engineers, and contribute to sound technical decisions — all while remaining aligned with agreed architecture and standards.

Experience and capabilities

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

Why this role matters

Senior engineers set the technical tone within teams.

Done well, this role:

Improves delivery quality and resilience
Develops other engineers
Reduces technical risk

What You'll Bring To The Role

Key responsibilities

Technical delivery

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

Technical leadership (within the team)

Provide guidance and mentoring to junior and mid-level engineers
Contribute strongly to code reviews and design discussions
Support the Engineering Tech Lead in maintaining technical quality
Identify technical risks and raise them early

Collaboration and quality

Work closely with QA to ensure confidence in delivered changes
Engage constructively with Product and other stakeholders as needed
Balance pragmatism with long-term thinking

What this role is not

This is not a formal people management role
This is not ownership of cross-team architecture
This is not a substitute for a Tech Lead or Principal Engineer
Senior engineers succeed by delivering difficult work and elevating others.

Why us?

Perks & Benefits

Remote & flexible working – with hybrid options in London or Chichester
Fantastic team culture based on trust and belonging.
Laptop & home office budget – £500 to set up your ideal workspace.
Private Medical Insurance with Aviva, including Dental & Optical.
Group Life Insurance & Yulife Wellbeing & Rewards.
Mental well-being support – Access therapy, mental health sessions, and yoga through a free premium subscription to Headspace.
EAP confidential benefit – 24/7 access to compassionate guidance & expert advice
25 days holiday + bank holidays
Training, support, and personal development

About us

As the global leader in the eCommerce automation sector, Linnworks has one mission: Giving our clients back their time to grow and lead their brands. Companies wanting to sell their products via marketplaces like Amazon, eBay, Facebook, etc need a platform to automate and monitor retail, inventory and shipping processes and performance. We have teams across North America and Europe, and we are backed by Marlin Equity Partners, a leading growth equity firm headquartered out of California. Linnworks not only has the market-leading product for e-commerce automation but also attracts the best people in the industry. Highly skilled, passionate, and collaborative with a winning and customer-centric attitude - we pride ourselves on our people.

Life at Linnworks:

Linnworks is proud to be an Equal Opportunity Employer (EoE). We believe that diversity of experience, perspectives, and background leads to a better environment for our employees and better service for our customers. We value the training and development of our employees deeply. We are committed to continuous investment in their personal growth, providing clear paths for career progression, and equipping them with the tools and training required to become experts in their profession.