Senior Software Engineer

Your Mission Senior Software Engineer

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

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