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Principal Engineer


Responsible for leading a development team, collaborating in solution design with Technical Product Managers, and delivery of roadmap projects, ensuring business goals are met.

As a Principal Engineer you will be a hands on lead developer directing a team of developers, responsible for technical design for future product needs. The Principal Engineer works closely with the architect team and development management to ensure the engineering team delivers forward thinking technical solutions to the requirements from the Technical Product Managers.

Cambridge, UK

The role:

  • Provides technical leadership to a development team, leveraging excellent hands-on technical skills as well as best practices on technical solution design, architecture and implementation.
  • Jointly responsible with other principal engineers and team leads for the product development roadmap delivery, working closely with the Scrum Master and Technical Product Managers to highlight and remove impediments as well as manage prioritization.
  • Liaises with system, software and data architects to ensure product and solution designs are scalable, performant and move Bango to the future state its customers need.
  • Works in partnership with the Scrum Master to ensure process is followed, reviewed and optimized to ensure maximum team efficiency.
  • Responsible for smooth deployment of software by the team, performing delicate manual deployments as needed and assisting migration to automated deployment as part of Continuous Integration.
  • Line manages a team of software engineers, responsible for handling typical duties including holidays, plus caring for motivations and aspirations.
  • Provides leadership to team on handling of support issues, facilitating prioritization and focus needed, providing out of hours support if essential.
  • Works in partnership with VP Engineering on career development of software engineers, highlighting future needs based on roadmap and technical challenges.
  • Ensures internal project delivery requiring development work is appropriately prioritized, resourced and collaborates with Scrum Master to ensure progress and impediments are communicated regularly and at appropriate escalation points.

Essential requirements:

  • Excellent knowledge of Microsoft .NET development stack.
  • Good knowledge of Continuous Integration & Delivery methodologies and how to implement and have a development team use effectively.
  • Good architectural and solution design skills for distributed and cloud-hosted technologies.
  • Excellent communication skills.
  • Ability to work to deadlines, understanding of processes and workflows both alone and within a team.
  • High personal integrity and self-motivation with a can-do, will-do attitude.
  • Good knowledge of SQL as well as NoSQL and other distributed and scalable database technologies.


  • Previous experience of line management, coaching and mentoring.
  • Certification in Scrum methodologies.
  • Certification in Microsoft .NET development stack.

Apply now

Are you eligible to work in the UK? Are you able to undertake occasional travel in the US?

If you think this role is for you, send a covering letter and your CV to our HR team at

Working at Bango

At Bango you'll enjoy fast-paced, challenging and stimulating work within a small team. Our decision making is quick and we work to short development cycles. Everyone gets involved in team-based projects and decisions regardless of their role or job level. We strive to make everyone feel an important part of Bango and be able to make a difference.

Bango is growing and has achieved success worldwide, but the best is yet to come. We are looking for enthusiastic and committed people to join us to keep up our pace of innovation and leadership.

Interested in working at Bango? Send your CV to

  • Generous share option scheme
  • 25 days holiday a year increasing to 28 days with service
  • Stakeholder and flexible personal pension scheme
  • Cycle to work scheme
  • Childcare vouchers
  • Free drinks and snacks, limitless coffee and espressos
  • Financial support for your charitable activities
  • Smart-casual dress code
  • Open plan office and informal working environment
  • Generous share option scheme
  • 15 days vacation a year, increasing to 18 days with service
  • Empire BlueCross Healthcare and Dental program
  • Transitchek benefits
  • Financial support for your charitable activities
  • Smart-casual dress code
  • Open office environment

Bango values


We can all

Achieving is essential


We work

Relationships deliver


We value

Choice is encouraged


We are all

Personal responsibility is expected


We embrace

Progress is necessary


We believe in

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Equal opportunities policy

During our recruitment and selection process Bango will assess candidates solely on merit and ability and will continue to do so throughout their employment.

Bango is committed to eliminating discrimination and encouraging diversity amongst our workforce. Our aim is that each employee feels respected and able to give their best.

It is Bango's policy not to discriminate against its workers on the basis of age, disability, gender reassignment, marital or civil partner status, pregnancy or maternity, race, colour, nationality, ethnic or national origin, religion or belief, sex or sexual orientation (together “protected characteristics”).

Notice to agencies

If you are interested in working with Bango please email your details to

We do not respond to unsolicited calls or emails from recruitment agencies. Any resumes received without prior written agreement are treated as public domain and no fees are paid if recruitment results from such information.