Android Developer

ABOUT FAIRPHONE Fairphone is more than just a company - we are a global leader in sustainable, modular electronics, on a mission to change the electronics industry from the inside out. Built on strong social and environmental values, we are a diverse and inclusive team from all walks of life creating market consumer electronics that make a real impact. At Fairphone, you will find a supportive and safe space where everyone can be themselves, collaborate openly, and have the freedom to learn and grow - because that’s how we innovate and drive change together!  So… are you a proactive, self-motivated team player who loves taking initiative and bringing positive energy? Do you thrive in a fast-moving start-up or scale-up environment? Are you a great communicator who values collaboration and embraces different perspectives? And most importantly, do you feel a strong connection to Fairphone’s mission and values? If you're nodding along and thinking, “Yes, that’s me!”, then check out our vacancy below!  Please know that we acknowledge that we are living in a time where the use of AI can bring many efficiencies and support. However, we want to know the real YOU. Please try to limit the use of AI tools to generate answers to the application; we value authenticity and encourage you to use your creativity!  * Location: Amsterdam-based position * Hours: 32 to 40 hours per week * Start: 01.08.2026 * Contract duration: The 1st 12-month employment contract with the possibility of extension to permanent  * Deadline to apply: We review applications on a rolling basis. Please apply as soon as possible ABOUT YOUR ROLE The Fairphone Software Engineering team is seeking a Senior Software Engineer focused on AOSP and Android to redefine device longevity. In this role, you won't just maintain a device; you will architect a more sustainable future for mobile technology by extending the lifecycle of our hardware up to 8 years. You will be a technical anchor for our Android and vendor stack, working all across the different layers of the Android OS. Your mission is to master the complexities of the AOSP as well as Qualcomm open source and proprietary stack through nearly a decade of Android upgrades. We are looking for an engineer who excels at deep-dive analysis and innovative problem-solving, someone capable of maintaining security and performance long after traditional vendor support ends. Join us in building a fairer, more durable OS that proves high-performance technology can, and should, last. You will report directly to our OS Longevity team Tech Lead, under our Head of Software Engineering, who reports to our CTO. You will be working next to and senior engineers who focus on Android AOSP and Linux kernel. KEY RESPONSIBILITIES & OBJECTIVES KEY OBJECTIVES * Architect a sustainable future for mobile technology by extending hardware lifecycle to 8 years. * Master the complexities of AOSP  stacks through nearly a decade of upgrades. * Maintain security and performance long after traditional vendor support ends. * Android operating system upgrades: Contribute to the software engineering activities needed for upgrading the devices to a newer Android version. * MR and SMR releases: Contribute to ongoing long-term maintenance work, including the continuous development of the Android platform across our entire device portfolio. You will ensure consistent system stability through successive Android versions, performing root-cause analysis for issues and providing proactive maintenance to uphold high quality standards between major releases. * Cross-device codebase: Contribute to consolidating the different Android codebases across our devices, streamlining development efforts and reducing operational overhead. KEY RESPONSIBILITIES * Integrate and maintain the Android operating system on Fairphone devices. * Provide clarity on (user-)reported software and hardware issues. This includes reproducing problems, analyzing their impact, and documenting your in-depth analysis to share your observations with your colleagues. * Provide technical guidance for other engineers working on your software stack. Implement software fixes for specific challenges. Work together with quality teams and testing partners to validate proposed fixes and to ensure integrity of the overall operating system. * Drive continuous improvement in software quality.  YOUR SKILLS & EXPERIENCE * You have a degree in computer science, software engineering, computer engineering, or a similar field, or have equivalent experience in one or more of these fields. * You have 8+ years of relevant, hands-on experience in the Android ecosystem, specializing in Android system bring-up, maintenance, and upgrades. * You are an expert developer proficient in the core Android stacks, including C/C++, Rust, Java, and Kotlin. You don't just write code; you architect, test, and implement robust functional requirements. * Specific expertise in any of the various HALs within Android is a bonus, such as camera, audio, WiFi or Bluetooth. * You are software quality-driven, used to unit and integration testing, code review tools, and continuous integration. * You are well-versed in open-source development methodologies and thrive in a collaborative environment. * You excel at triaging complex bug reports, performing root-cause analysis across hardware/software boundaries, and documenting your findings clearly. * You are familiar with basic scripting (shell), process automation (Python), and code versioning (Git). * You are proficient with GNU/Linux operating systems. * You are proficient in spoken and written English. Most of us don't have English as our first language, but it's the primary language we use internally, as well as with our teams and partners worldwide. WHAT FAIRPHONE CAN OFFER YOU? * The opportunity to create an impact on the electronics industry around the world. * A diverse work environment full of international, passionate, warm-hearted team members. * 25 paid holidays per year (based on a full-time contract) next to the other public holidays in the Netherlands. You’ll also get a day off on your birthday! Additionally, the longer you stay, the more holidays you get!  * Daily, healthy lunch, organic FairChain coffee, and many more tasty things. * You will join Fairphone’s collective pension scheme, and we will contribute to building your pension. * You will receive a laptop, Fairbuds,  and a Fairphone as working devices. * Hybrid working model: We are remote-friendly and also contribute up to €250 toward your home office set-up. * Public transport allowance – we fully cover your 2nd-class commute from your home to the office * Bike allowance – We support you with a bike purchase of up to €300, and you’ll also have a yearly repair budget of up to €100! We also cover 23 cents per km for your biking distance from home to the office (or train station) and back! * Grow with us! We encourage you to develop at Fairphone. In addition to €500 for L&D, we’ll support your career goals with coaching (Inuka), workshops, or courses that you can join with your development budget. You will get access to Udemy with unlimited courses and trainings. * Kitchen with beautiful views to the IJ waterfront. * There’s a gym in the building where you can build healthy habits, stay active and have fun with your colleagues, as well as a subscription to our mental & physical well-being services (Inuka & Urban Sports)

WHO ARE WE? Want to lead the development of mobile security technology that helps protect millions of banking customers from fraud, malware, and emerging cyber threats?  We help the world's leading banks stay ahead of fraudsters, scammers, and cybercriminals. Our technology protects millions of users every day by detecting fraud, malware, and emerging attack techniques before damage is done. We do this by combining 15 years of extensive research with our own smart software.  At ThreatFabric, we're not just shaping the future of cybersecurity - we're defining it. With our headquarters in the vibrant city of Amsterdam, ThreatFabric stands at the forefront of combating online fraud, mobile malware, and threat intelligence. YOUR MISSION Position: Full-time | 40 hours per week Location: Amsterdam, Netherlands | Hybrid (2–3 days office) Salary Range: between 70.000,- and 90.000,- annually About the job As a Mobile Engineer (iOS) at ThreatFabric, you are responsible for developing, managing, testing, and deploying high-quality mobile applications and features based on requirements from our teams and customers. You play a key role in continuously improving our mobile products, ensuring operational stability, and delivering secure, scalable solutions in an Agile environment. You will work closely with Product, Security, and Engineering teams to ensure our iOS applications meet the highest quality, security, and performance standards while delivering maximum value to end users.   Your key responsibilities will include: * Developing, managing, testing, and deploying iOS tools and features. * Delivering assigned projects on time and according to ThreatFabric standards. * Ensuring sprint tasks are completed on schedule and clearly communicating delays when applicable. * Improving and maintaining tools used to deliver commercial services. * Actively contributing to team collaboration and continuous product improvements. * Monitoring, safeguarding, and analyzing application performance and operations. * Responding promptly and effectively to customer requests, issues, and incidents. * Collaborating within Agile (SCRUM/Kanban) teams to ensure high-quality product delivery. What We Offer * A 12-month employment contract with the intention to extend. Subject to mutual satisfaction, this may lead to a permanent position. * A competitive salary that reflects your skills and experience with a salary range between 70.000,- to 90.000,- annually. * 25 holidays per year. * 8% holiday allowance (included in annual salary). * A Pension Scheme * A stimulating and supportive work environment that encourages growth and development. * An annual personal Growth and Development budget. * The opportunity to make a meaningful impact in a rapidly growing tech company. * Flexible Remote / Hybrid work-from-home options to promote work-life balance. * Flexible working hours. * Active ThreatFabric events and FitFabric bootcamps. * Active knowledge-sharing huddles. WHO ARE WE LOOKING FOR? Skills & Competencies Technical Skills * Bachelor’s degree in Computer Science, Software Engineering, or a related field. * Proven experience as an iOS Developer or Mobile Engineer. * Strong knowledge of Swift and native iOS development. * Solid understanding of the iOS platform, SDKs, frameworks, and device capabilities. * Ability to write clean, well-structured, and maintainable code that is easy to transfer to other engineers. * Experience working in Agile development environments (SCRUM/Kanban). * Fluency in English (spoken and written). * Strong commitment to continuous learning and professional development. * Experience developing mobile SDKs and creating robust as well as cohesive mobile APIs is nice to have. * Experience developing mobile systems that process vast amounts of data in real-time is nice to have. * Experience in Android development is nice to have. Creativity & Innovation * Ability to develop creative and innovative solutions. * Translates ideas into practical and implementable solutions. Problem Solving * Strong analytical skills to identify, analyze, and solve technical issues. * Able to clearly explain problem-solving approaches and decision-making steps. * Prioritizes effectively and thinks from an end-user and functional perspective. Communication & Interpersonal Skills * Capable of explaining complex technical concepts to both technical and non-technical stakeholders. * Strong team player with a collaborative mindset. * Approachable, empathetic, and a good listener with positive communication skills. Continuous Improvement * Actively seeks opportunities to improve efficiency, quality, and delivery processes. * Maintains a critical mindset to drive sustainable improvements in products and workflows. * Interest in learning new programming languages (for instance: C++, Rust) and technologies (for instance for data processing frameworks on mobile) WHY US? Protecting people, not just systems At ThreatFabric, your work has a direct impact on the lives of millions of people. Every day, fraudsters, scammers, and cybercriminals target individuals and financial institutions around the world. The technology we build helps stop these attacks before they cause harm, protecting not only money, but also trust, confidence, and peace of mind. Unlike many technology companies, the problems we solve are real, complex, and constantly evolving. You'll work on challenges that make a measurable difference and see your contributions translated into solutions used by some of the world's leading financial institutions. Work alongside experts who love what they do ThreatFabric brings together security researchers, engineers, data scientists, threat intelligence specialists, and fraud experts from around the globe. We're passionate about our craft and continuously challenge each other to think differently, improve our solutions, and stay ahead of emerging threats. Learning is part of our DNA. Whether through knowledge-sharing sessions, technical discussions, mentoring, or simply collaborating with highly experienced colleagues, you'll be surrounded by people who are eager to learn and equally eager to share their expertise. Why people stay People join ThreatFabric because they're excited by the technology and the mission. They stay because of the people. We celebrate successes together, learn from challenges together, and create an environment where talented individuals can do the best work of their careers while enjoying the journey along the way. GET IN TOUCH! Interested? Looking for your next challenge? We'd love to hear your story. Apply through the Personio link below and we'll be in touch shortly. Whether you're ready to make a move or simply want to explore the opportunity further, we're happy to answer your questions and help you determine if ThreatFabric is the right fit for you. We aim to fill this position in Q3 2026. What's next? So, you've hit send - what happens now? First, we'll do a screening to ensure we're a good match. If all goes well, you'll be invited for an initial chat with us. Then, there's a second interview, and we may include an assessment to better understand your skills. Ready to take the plunge?   Please note: Pre-employment screening is part of our selection process. We do not accept unsolicited resumes from recruiters or employment agencies.