Principal Software Engineer — Lead Scalable Systems (Equity)

OpenDigital Limited

United Kingdom

Hybrid

GBP 90,000 - 135,000

Full time

9 days ago
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Benefits offered by this job

30 days holiday + bank holidays
Career development budget
Health cash plan
Employer pension 5%
Working from home allowance
Share Incentive Plan
Life assurance

Job summary

TPXimpact is seeking a Principal Software Engineer to shape the technical direction of high-profile projects and lead delivery of modern, scalable software. You will mentor engineers across teams, line-manage a group, and collaborate with senior stakeholders to translate complex problems into robust solutions.

We expect deep experience across languages and frameworks, cloud platforms, and a proven track record in software architecture design.

Qualifications

  • Extensive software engineering experience with large-scale systems.
  • Polyglot across Python, Java, Kotlin, Node.js, C#, JavaScript, Express, React, Next.js.
  • Mentor engineers and lead architecture initiatives.
  • Cloud platforms, microservices, modern software development practices.
  • Direct line management experience.
  • Excellent communication with stakeholders.

Responsibilities

  • Lead the design and development of advanced software solutions with focus on quality, security, and scalability.
  • Set the technical direction for projects and influence the wider technology strategy.
  • Provide line management for a group of engineers (up to six).
  • Provide technical leadership and coaching to foster excellence and learning.
  • Collaborate with senior stakeholders to translate business problems into robust solutions.
  • Champion modern engineering practices including CI/CD, test automation and IaC.
  • Foster DevOps culture enabling automation, delivery and reliable operations.
  • Drive evaluation and adoption of emerging technologies.
  • Lead technical due diligence during scoping, bids and opportunities.
  • Represent engineering in strategic discussions shaping roadmap.
  • Anticipate and manage project risks.

Skills

Polyglot engineer
Leadership
Mentoring
Strategic thinking
Stakeholder engagement
DevOps mindset
Cloud awareness
Architectural vision

Tools

CI/CD tools
Cloud platforms
Microservices

Job description

TPXimpact is seeking a Principal Software Engineer to shape the technical direction of high-profile projects and lead delivery of modern, scalable software. You will mentor engineers across teams, line-manage a group, and collaborate with senior stakeholders to translate complex problems into robust solutions.

We expect deep experience across languages and frameworks, cloud platforms, and a proven track record in software architecture design.

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