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Senior Software Engineer, Android

Location: Stockholm, Sweden

Contract Type: Full Time Permanent

Job Reference ID: 11259

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Our DevOps culture is strong: we believe in “release small, release often.” Thanks to our fully automated CI/CD pipelines, we push over 13,000 releases to production every year, delivering value to customers in real time. We use modern technologies across backend, frontend, apps, data and infrastructure, and we’re continuously evolving. We tackle complex engineering challenges such as real-time scalability, database migrations with no downtime, and peak transaction loads, all while maintaining an exceptional and safe customer experience.

Turning skills into thrills

    Turning skills into thrills

  • Technical Expertise
  • Strategic Thinking and Innovative
  • Adaptive Problem-Solving & Experimentation
  • Cross-Functional Collaboration
  • Agility & Adaptability
  • Curiosity & Continuous Learning

United by our three values

illustration of a heart Passion to succeed

Striving for excellence and beyond

illustration of a scale Accountability

Taking ownership and upholding high standards every day

illustration of a group of people Collective Spirit

As one team, we achieve more

Senior Software Engineer, Android

The Role:

As a senior software engineer, you are a core team member on whom the team relies to consistently deliver high quality solutions. You take
ownership to help the team reach their goals, including actively sharing knowledge and providing feedback. You can identify and initiate activities to address improvement areas within the team. With a mature view on technical governance you have a long term perspective of the team's components
and applications.

Technical Excellence & Architecture

- Lead the design and implementation of complex Android features and shared modules across multiple brands.

- Drive architectural decisions, ensuring modularity, scalability, and maintainability of the Android codebase.

- Evolve and refine our use of KotlinJetpack ComposeCoroutines / Flow, and modern Android development patterns.

- Partner with architects and senior engineers across domains to shape long-term technical direction.

Ownership Across the Lifecycle

- Fully own features end-to-end: design, development, testing, deployment, monitoring, and iteration.

- Proactively identify performance, stability, and architectural improvements, and drive initiatives to address them.

- Lead incident resolution for Android-related issues, guiding root-cause analysis and long-term fixes.

Quality & Testing Leadership

- Advocate and implement advanced testing strategies: Unit, UI, integration, and performance tests.

- Collaborate with QA automation engineers to evolve shared frameworks and CI/CD quality gates.

- Ensure testing, observability, and monitoring are first-class citizens in the development process.

Collaboration, Mentoring & Influence

- Coach mid-level and junior engineers through code reviews, pairing sessions, and technical design discussions.

- Work closely with Product Owners and designers to influence requirements, scope, and user experience early on.

- Act as a strong voice in improving team workflows, processes, and engineering best practices.

Core Technical Skills

- Extensive experience building production-grade Android applications using Kotlin.

- Strong command of Jetpack ComposeAndroid Jetpack, and modern UI/state management patterns.

- Deep understanding of architectural patterns (MVVM, Clean Architecture, modularisation, multi-module setups).

- Advanced experience writing Unit TestsUI Tests (Espresso, Compose UI tests), and scaling automated testing suites.

- Strong knowledge of Android performance, memory management, profiling, and debugging tools.

- Proven experience integrating with backend APIs and managing complex data flows.

- Experience with CI/CD pipelines and Android tooling such as GradleGitHub ActionsJenkinsFastlane, or similar.

Leadership & Professional Skills

- Ability to influence architecture and long-term technical strategy.

- Strong mentorship skills; you help others grow and lead by example.

- Skilled in balancing product delivery with long-term maintainability and quality.

- Excellent communication skills, with the ability to explain complex technical concepts to different audiences.

- Comfortable working in a fast-paced environment with high ownership and autonomy.

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Testimonials

  • Bertrand Le Piolot
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    My mission is to position cybersecurity as a business enabler, by finding the right balance between security requirements and business development objectives.

    Bertrand Le Piolot
    Group Cybersecurity Director
  • Lesya Liskevych
    Photo de profil Lesya Liskevych

    Our team turns every customers interaction into mainingful insights, leveraging AI to personalise and enhance the user experience on our gaming platform.

    Lesya Liskevych
    Head of Product Insights & AI Automation Technology
  • From improving product features to enhancing safe gaming practices, data isn't just information, it's a catalyst for innovation and maintaining the Group's integrty.

    Nonna Shakhova
    Cloud Data Engineer
    Nonna Shakhova
    Photo de profil Nonna Shakhova

A European gaming champion

FDJ UNITED is a European leader in betting and gaming, trusted for its iconic brands and technological strength across around 15 regulated markets. We’re rapidly digitising our lottery business and expanding our sports-betting footprint, creating exciting opportunities to build the next generation of player experiences. Here you’ll work on high-impact projects: modernising platforms, scaling data-driven personalisation, and developing tools that both delight customers and protect them. Our goal is to strengthen customer relationships through smarter identification and insights. That means meaningful, purpose-driven work, from customer service to marketing, product design, compliance and more. All within an international, innovation-focused environment. We are shaping the future of gaming, join us!

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