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tombola • Sunderland, United Kingdom

Lead Platform Developer (C#)

Employment type:  Full time
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Job Description

At tombola, our Player Experience teams are responsible for creating the products and platforms that power exceptional experiences for our players every day.

As a Platform Lead Developer, you'll lead a Durable Team within the Operator Platform domain, combining technical leadership, people leadership, and hands-on engineering to help deliver scalable, reliable, and high-quality software solutions.

Working closely with Product, Engineering, Architecture, Delivery, and Design teams, you'll play a key role in shaping technical direction, ensuring solutions align with business objectives, and supporting the successful delivery of product outcomes. You'll be a trusted technical leader, helping the team make sound design and implementation decisions while balancing long-term platform health with delivery needs.

Alongside technical leadership, you'll be passionate about developing others. Through coaching, mentoring, and knowledge sharing, you'll help engineers grow their skills, build confidence, and contribute to a culture of engineering excellence.

This role offers an opportunity to make a significant impact across technology, people, and product delivery while helping shape the future of our Player Experience platforms.

What you'll do

Technical Leadership

  • Provide technical leadership across the team, guiding key architectural, design, and implementation decisions.

  • Ensure solutions are scalable, maintainable, secure, and aligned with engineering best practices.

  • Act as a technical escalation point, supporting the resolution of complex technical challenges and production incidents.

  • Champion high standards of software engineering, code quality, testing, and system reliability.

  • Work closely with Architects and fellow technical leaders to align platform evolution and technical strategy.

  • Identify technical risks, dependencies, and opportunities, raising concerns and recommendations where appropriate.

Delivery & Collaboration

  • Partner with Product Managers, Product Designers, Delivery Leads, and Engineering stakeholders to align technical solutions with business goals.

  • Support the translation of product initiatives and epics into well-defined, deliverable pieces of work.

  • Guide the team in creating clear, high-quality user stories and technical requirements.

  • Collaborate with other teams to manage dependencies and enable successful cross-functional delivery.

  • Support Agile delivery practices and drive continuous improvement within the team.

People Leadership & Engineering Excellence

  • Lead, coach, and support engineers at all levels, creating an environment where individuals can thrive and grow.

  • Conduct regular one-to-ones focused on development, wellbeing, performance, and career progression.

  • Set meaningful goals that challenge and support individual growth while celebrating achievements and progress.

  • Foster a culture of knowledge sharing, continuous learning, and technical excellence.

  • Act as a role model for collaboration, accountability, and engineering best practices.

Continuous Improvement

  • Drive improvements to team processes, ways of working, and engineering practices.

  • Encourage experimentation, learning, and innovation to improve team effectiveness and delivery outcomes.

  • Contribute to the wider engineering community through sharing knowledge, best practice, and technical expertise.

Skills, capabilities & experience

Essential

  • Strong experience leading software engineering teams within a modern technology environment.

  • Excellent knowledge of C# and .NET.

  • Strong understanding of software architecture, design patterns, and engineering best practices.

  • Experience designing and delivering cloud-based solutions, ideally within AWS environments.

  • Good knowledge of web technologies including HTML, CSS, and JavaScript.

  • Strong understanding of database design, SQL, and data-driven applications.

  • Experience implementing and promoting software testing practices and quality assurance approaches.

  • Strong understanding of Agile delivery methodologies, including Scrum and Kanban.

  • Experience leading, coaching, and developing software engineers through effective people management practices.

  • Excellent communication and stakeholder management skills, with the ability to influence both technical and non-technical audiences.

Desirable

  • Experience working within platform or product-focused engineering teams.

  • Experience operating within large-scale, distributed systems.

  • Exposure to regulated or high-availability environments.

  • Experience contributing to technical strategy and architectural decision-making across multiple teams.

Why tombola?

At tombola, we're passionate about creating brilliant experiences for our players and empowering our teams to do their best work.

You'll be joining a collaborative engineering culture where technical excellence, continuous improvement, and personal development are genuinely valued. We encourage curiosity, innovation, and ownership, giving our people the opportunity to influence products, platforms, and ways of working while continuing to grow their careers.

Apply now

Company benefits

Adoption leave
Enhanced sick days
Open to part-time employees
Work from anywhere scheme – available to specific parts of the business
Work from home budget – for fully remote employees
Free meals – Office based
Technology Loan
Enhanced sick pay
Health insurance
Gym membership
Compassionate leave
Private GP service
Theme park discounts
Travel insurance
Restaurant discounts
Coffee discounts
Cinema discounts
25 days annual leave + bank holidays
Buy or sell annual leave
Optional unpaid leave
Enhanced maternity leave
Enhanced paternity leave
Shared parental leave
On-site gym
Cycle to work scheme
Faith rooms
Bike parking
On-site catering
Fully stocked snack cupboard
Annual bonus
Equity packages
Referral bonus
Salary sacrifice
Life insurance
Enhanced pension match/contribution
Share options
Annual pay rises
Electric Car Salary Sacrifice
Sabbaticals
Volunteer days
Home office set up
In house training
Company freebies
Teambuilding days
Mentoring
Pregnancy loss leave
Employee discounts
Coaching
Lunch and learns
Open to part time work for some roles
Open to job sharing
Open to compressed hours
Pregnancy loss leave
Menopause support
On-site barista
On-site shower
Secure on-site parking
Modern office
Ergonomic workstations
Collaboration spaces
Private booths

Working at tombola

Company employees:

780

Hiring in countries

Gibraltar

Ireland

Spain

United Kingdom

Office Locations

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