Senior Android Engineer in London

Location: London (Dean Street, Soho) | Hybrid: 2 days in the office per week

Why Join Us? At MONY Group, we help millions of people save money when it matters most. Through MoneySuperMarket, MoneySavingExpert, Quidco, and our B2B partnerships, we reach over 24 million unique monthly visitors, saving UK households billions of pounds every year. It’s something we’re proud of, and you could be part of it. In our mobile collective, you'll help shape the mobile experience for millions of customers across some of the UK's most recognised consumer brands. This is an opportunity to influence technical direction, work with modern Android tooling, and build products that have a measurable impact on people's financial wellbeing. We’re creative, collaborative, and ambitious. It’s hard work, but it’s worth it: you’ll leave each day knowing you’ve made a real difference to our customers and to your team.

What Makes Us Different:

• A workplace full of personality; open-minded, diverse, and inclusive.
• Small, empowered teams that own problems from discovery through to delivery.
• Engineers, designers and product managers working closely together to solve real customer problems.
• A modern engineering culture built around collaboration, continuous learning and AI-enabled development.

About the Role:

We’re looking for an experienced Senior Android Developer to join our Mobile Collective, supporting and growing apps across MoneySavingExpert, Quidco, and MoneySuperMarket. You’ll work in full-stack, multi-disciplinary squads, collaborating with product managers, designers, and engineers. Expect hands-on involvement across the entire SDLC, from design and implementation to testing, deployment, and maintenance. Our apps serve millions of users every month and we're continually evolving our architecture, developer experience, and release processes. You'll help shape technical decisions, tackle performance and scalability challenges, and contribute to the future direction of our Android platform. We’re an AI-enabled engineering organisation, using tools like GitHub Copilot and ChatGPT to accelerate delivery and improve code quality.

Our Stack:

Our Android stack includes Kotlin, Jetpack Compose, Coroutines, Flow, MVVM/Clean Architecture approaches, GitHub Actions, and CI/CD pipelines.

What You’ll Do:

• Lead feature delivery and drive technical strategy within your team.
• Collaborate with product and design teams for pixel‑perfect implementation.
• Write clean, maintainable Kotlin code using Jetpack Compose.
• Champion best practices: TDD, pairing, mob programming, and continuous delivery.
• Ensure security is baked in from the start.
• Debug, optimise, and maintain a high‑performing codebase.
• Influence architectural decisions and contribute to technical roadmaps.
• Drive technical discussions and help teams balance speed, quality, and maintainability.
• Support and coach engineers through code reviews, pairing, and mentoring.
• Stay ahead of Android trends and bring fresh ideas to the table.
• Mentor and support team growth.

What We’re Looking For:

• Proven experience building Android apps with Kotlin and Jetpack Compose.
• Strong understanding of mobile architecture and design patterns.
• Passion for agile development and shipping value fast.
• Experience with end‑to‑end testing and Git for version control.
• Comfortable using AI coding assistants to boost productivity.
• A collaborative mindset and a drive for continuous improvement.

We recognise that great candidates don't always meet every requirement. If you're excited about the role and feel you could make an impact, we'd love to hear from you, even if your experience doesn't perfectly match every item listed.

Why MONY Group?

• Hybrid working: 2 days in the office, the rest where you work best.
• Learning culture: Dedicated time for development, LinkedIn Learning license, and regular conference attendance.
• Community: Hack days, socials, and annual Product & Tech meetups.
• Career growth: Clear progression framework and opportunities to move across teams.
• 27 days holiday (rising to 30) + bank holidays.
• Pension up to 6% employer contribution.
• Enhanced shared parental leave (6 months paid for both parents).
• Work‑from‑anywhere scheme (2 weeks per year).
• Mental health platform access, financial coaching, and more.

Interview Process:

• A call with one of our Talent Acquisition Team.
• An interview split into three sections with technical ability questions, a paired programming exercise and behavioural questions.

Our Commitment:

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform crucial job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation. We're an inclusive, anti‑racist and equal opportunity employer that values diversity. This means we respect and embrace differences in gender identity, race, ethnic origin, sexual expression and orientation, religion and faith, age, marital status, disability, neurodiversity, social background, education and way of thinking. We’re a place where you can be you. Our customers and users come from different backgrounds, as do our colleagues. We welcome applications from everyone, and particularly encourage women and Black, Asian and ethnic minority candidates to apply as we’re actively building representation that’s more closely reflective of the communities we serve. Our appointments are made on merit, following a robust and objective assessment process, and the candidate with the highest score is offered the role.

If you’re passionate about our purpose of helping households save money and excited about what you could accomplish here, we’d love to see you.

Ready to Go Beyond Comparison? We understand that job adverts only say so much and you’re likely to have a lot of questions. If you’d like to know anything before applying such as more on the location, salary, our parental leave policy etc, please just let us know and we’ll be happy to help.