Head of Engineering - Developer Experience & Platform (f/m/d)

Fairphone

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)

Sam Media

YOUR MISSION We are seeking a visionary Head of Data to join our team in Amsterdam. This is a pivotal role overseeing our data strategy, ensuring the seamless integration and utilization of data across the organization. You will be responsible for driving data initiatives, developing and promoting a data-driven culture, and managing a talented team of data professionals. You must be passionate about data, discovery, optimization problems, hypothesis testing and R&D, and have a proven track record in internet marketing, OLAP, statistics, machine learning, and SQL. YOUR PROFILE KEY RESPONSIBILITIES: * Lead and mentor the team consisting of Data Science, Business Intelligence, and Data Engineering roles. * Develop and implement a comprehensive data strategy aligned with business goals. * Oversee the design, development, and maintenance of data infrastructure, including OLAP systems and columnar databases like Redshift. * Ensure data accuracy, integrity, and security across all platforms. * Develop and maintain actionable KPIs for various marketing operations and billing systems. * Utilize advanced statistical methods and machine learning techniques to drive insights and optimize marketing campaigns. * Collaborate with cross-functional teams to identify data needs and provide actionable insights. * Develop a culture of continuous learning and improvement within the data team. * You hire new talents and build a team that focuses on delivering value. * Stay updated with the latest trends and technologies in data science, BI, and data engineering. ABOUT YOU: * Proven experience in a leadership role within data science, business intelligence, or data engineering. * Expertise in internet marketing and performance marketing strategies. * In-depth knowledge of OLAP, statistics, and machine learning. * Proficient in SQL and experience with columnar databases such as Redshift. * Practical knowledge and experience with Python, including its application in data analysis, machine learning, and data engineering and tools like Pandas, NumPy and SciPy. * Experience with data visualization in JavaScript and HTML, including frameworks such as D3.js, Plotly.js. * Proficiency in creating interactive visualizations and dashboards using HTML, CSS, and JavaScript frameworks. * Strong people management skills with the ability to lead, mentor, and inspire a diverse team. * Excellent communication and collaboration skills. * Strategic thinker with a results-oriented mindset. * Bachelor’s or Master’s degree in a relevant field (e.g., Data Science, Computer Science, Statistics). WHY US? WHAT WE OFFER: * Competitive salary and attractive bonus scheme. * Informal, fun, and multicultural working environment in the heart of Amsterdam. * Personal development, learning, and growth opportunities. * Freedom and budget to attend conferences, workshops, and training. * The chance to test your ideas with hundreds of thousands of users in real-time. * Company-sponsored activities including an annual company retreat. * Visa sponsorship and a comprehensive relocation package when applicable.

Fairphone

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 Software Engineer to lead the integration of software features for our partners. In this role, you will be responsible for integrating specialized third-party solutions—such as advanced accessibility tools or robust digital safety features—directly into our Android ecosystem. In this role, you won't just maintain a device; you will be the technical bridge between Fairphone and our ODMs (original design manufacturers), ensuring that partner-specific software components are seamlessly architected, integrated, and maintained within our Android ecosystem. You will champion sustainable and long lasting software development while ensuring our partners' unique requirements are met with high-quality, scalable solutions. While this is a deeply technical engineering role, project management experience is essential. You will be expected to manage complex integration timelines, navigate vendor relationships, and coordinate cross-functional delivery, ensuring that technical milestones align with broader business objectives. You will report to our Head of Software Engineering, who reports to our CTO. KEY RESPONSIBILITIES & OBJECTIVES Your Key Responsibilities   * Design and implement software bridges and integration layers for partner-specific components within the Android stack. * Provide direct technical guidance and oversight to the partners to integrate their solution both within our open-source tree and our production codebase.  * Ensure the partner components are well integrated throughout the software development lifecycle, from bring-up to maintenance. * Collaborate with internal quality and testing teams to validate ODM deliverables, ensuring all partner integrated features meet Fairphone’s high performance and reliability standards. * Triage and resolve complex integration issues across hardware and software boundaries * Own the technical documentation for partner integration projects, ensuring clear communication with both internal stakeholders and external partners. * Manage project timelines and coordinate cross-functional delivery, ensuring that technical milestones for partner integrations align with business objectives and vendor delivery schedules. Key Objectives * Architect and deliver robust software integration solutions tailored for partner requirements. * Serve as the primary technical point of contact for ODMs and partners to ensure alignment on software stack integration, quality standards, and delivery timelines. * Bridge the gap between internal Fairphone & partner requirements and external ODM implementation capabilities, ensuring code integrity and long-term maintainability. This includes leveraging and contributing to our open-source (OSS) AOSP codebase, particularly for Proof of Concepts (PoCs). 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 5+ years of relevant, hands-on experience in the Android ecosystem.  * You are an expert developer proficient in the core Android and chipset stacks, including C/C++ or Rust, Java and Kotlin. You don't just write code; you architect, test, and implement robust functional requirements. * You have the ability to lead technical discussions and negotiate technical solutions with external partners. * Knowledge of AI/ML integration in Android (e.g., on-device AI, NPU utilization, or relevant frameworks) * You can support building business cases * You are used to working with Legal teams, ensuring Software compliance * 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 resolving complex issues, performing root-cause analysis across hardware/software boundaries, and documenting your findings clearly. * Proven experience working directly with Original Design Manufacturers (ODMs) in a technical capacity. * Deep understanding of partner software integration workflows and the unique challenges of customizing Android for specific partner use cases. * You have a solid understanding of Enterprise Firmware Over-the-Air (EFOTA) solutions and the specific challenges of managing update rollouts for large B2B/Enterprise device fleets. * You are familiar with Android Enterprise system update policies (e.g., maintenance windows, mandatory updates). * Specific expertise in any of the various HALs within Android is a bonus, such as camera, audio, WiFi or Bluetooth. * 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 MacBook, 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)