
ThreatFabric · Amsterdam
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...
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.
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.
What We Offer
position.
Skills & Competencies
Technical Skills
Creativity & Innovation
Problem Solving
Communication & Interpersonal Skills
Continuous Improvement
frameworks on mobile)
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.
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.
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? At ThreatFabric, you’ll combine deep Android expertise with technical leadership to shape the future of our mobile SDKs. 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 | Work From Home (2–3 days per week in the office) Salary Range: 95.000,- 115.000,- annually About the Job The Mobile SDK Lead combines hands-on software engineering with technical leadership, helping shape the future of ThreatFabric's mobile security platform. The overarching goal is to ensure the Mobile Engineering team delivers scalable, secure and innovative solutions that enable financial institutions worldwide to protect their customers against fraud, malware and emerging cyber threats. As a Mobile SDK Lead at ThreatFabric, you play a key role in guiding the technical direction of our Android and iOS SDKs while remaining actively involved in development. You will work closely with Product, Research, Threat Intelligence and Engineering teams to translate innovative fraud detection capabilities into high-quality mobile security solutions. We are looking for a strong Android engineer with leadership experience who can provide technical guidance, support architectural decisions and help the team grow. Deep Android expertise is essential, while experience with iOS development is considered a strong plus. The Mobile Engineering team currently consists of four senior engineers: two Senior Android Engineers and two Senior iOS Engineers. As Mobile SDK Lead, you will serve as the technical lead for the team, helping drive architectural decisions, maintain engineering standards, mentor team members and ensure alignment across both mobile platforms. This role includes people management, you will play a key role in shaping the team and development of the teammembers alongside of steering technical direction and success of the Mobile Engineering team. Responsibilities Your key responsibilities will include: * Designing, developing, testing and maintaining ThreatFabric's Android SDKs. * Providing technical leadership for a team of four senior mobile engineers across Android and iOS platforms. * Acting as the primary technical authority for Android SDK development within ThreatFabric. * Supporting the team in making architectural and technical decisions. * Reviewing code and ensuring high-quality engineering standards are maintained. * Coaching and mentoring engineers to support their technical growth and development. * Collaborating closely with Product, Research and Threat Intelligence teams to deliver innovative fraud prevention capabilities. * Translating business and customer requirements into scalable technical solutions. * Driving continuous improvements in code quality, development processes and engineering practices. * Developing or improving the tools and frameworks used to deliver ThreatFabric's commercial services. * Monitoring, analyzing and improving SDK performance, stability and maintainability. * Supporting troubleshooting efforts and helping resolve complex technical issues. * Contributing to sprint planning, estimations and technical roadmap discussions. * Staying up to date with Android platform developments, security trends and emerging technologies. 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, between 95,000 - 115,000 € per year annually including holiday allowance. * 25 holidays per year. * A pension scheme. * 8% holiday allowance (included in annual salary). * A stimulating and supportive work environment that encourages growth and development. * 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. * A personal Growth and Development Budget * 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. * Extensive experience with Android development using Kotlin and Java. * Proven experience building and maintaining Android SDKs, libraries or complex mobile applications. * Strong understanding of Android architecture, performance optimization and mobile development best practices. * Proven experience acting as a technical lead within engineering teams. * Experience reviewing code and maintaining engineering standards. * Strong understanding of software architecture principles and design patterns. * Experience working in Agile environments (SCRUM / Kanban). * Familiarity with cybersecurity, fraud prevention or mobile security concepts is considered a strong advantage. * Experience with iOS development and Swift is a plus. * Fluent in English, written and spoken. Leadership skills * Ability to guide engineers and drive technical decision-making. * Experience acting as a technical lead for senior engineering teams. * Ability to influence technical direction without direct managerial authority. * Comfortable leading discussions on architecture, engineering standards and technical strategy. * Experience mentoring senior engineers and fostering knowledge sharing across teams. * Leads by example through technical excellence, ownership and collaboration. Creativity and innovation * Able to come up with creative and innovative ideas and voice them in a way they can be applied and implemented. * Continuously seeks opportunities to improve products, processes and engineering practices. Problem solver * Able to spot, analyze, discuss and solve issues. * Voices in a clear way how solutions are reached and the steps taken. * Knows how to differentiate between what is important and what is less important. * Thinks of the work done from a functional, end-user perspective to deliver the most value. * Strong analytical mindset and structured approach to problem solving. Communication and interpersonal skills * Explains complex technical issues clearly to both technical and non-technical audiences. * Strong at cooperating in a team and delivering results together. * Shows tact and organizational sensitivity to bridge possible conflicting interests. * Approachable, good listener, communicates with a positive intent to understand the needs of others and is empathetic towards team members. * Comfortable coaching and mentoring engineers while providing technical guidance. Continuous improvement * A continual effort to improve ongoing workplace practices and products. * Continuously seeking opportunities to improve efficiency and quality of product delivery. * Has a critical attitude which translates into robust and sustainable improvements. Information Security, Business Continuity & Privacy * Has a positive and active attitude towards information security, business continuity and privacy. * Engages in awareness sessions and stays up to date on relevant information (e.g. Teams and Confluence). * Actively reports security incidents to the Risk Officer or supports in solving security incidents when expertise is required. * Acts as a role model and adheres to all applicable policies regarding information security, privacy and business continuity. 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 contact 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.
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)
YOUR MISSION The position name: Technical Writer / Documentation Engineer Position: Full-time | 40 hours per week Location: Amsterdam, Netherlands | Hybrid working policy (2–3 days per week in the office) Salary range: 70.000,- to 85.000,- euros annually ABOUT THE JOB We are looking for a highly skilled Technical Writer/Documentation Engineer to help us document our products, SDKs, and technical architecture. In this role, you will work closely with engineering, security, and research teams to translate complex backend systems and SDK integrations into clear, structured, and developer-friendly documentation. This is not a typical documentation role; we are looking for someone who understands modern backend architectures and developer workflows and can turn that knowledge into impactful content. RESPONSIBILITIES * Create and maintain internal and external documentation using Docusaurus among others. * Write clear and structured: * SDK integration guides (mobile and/or backend). * API documentation and onboarding materials. * Product documentation for features and workflows. * Document backend architectures, including: * Microservices environments. * Event-driven systems (e.g., Kafka). * Data flows and database interactions. * Collaborate with engineers and researchers to gather and validate technical content. * Continuously improve documentation structure, usability, and developer experience. 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 between 70.000 / 85.000,- euros annually. * 25 holidays per year. * A pension scheme. * 8% holiday allowance (included in annual salary). * A stimulating and supportive work environment that encourages growth and development. * A personal Growth and Development budget * The opportunity to make a meaningful impact in a rapidly growing tech company. * Flexible 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? Technical Skills: * Proven experience as a Technical Writer / Documentation Engineer (4+ years). * Experience creating developer documentation (APIs, SDKs, integrations, workflows). * Hands-on experience with Docusaurus or similar Docs-as-Code frameworks. * Strong ability to understand and document backend architectures (microservices, event-driven systems). * Familiarity with REST APIs, asynchronous communication, and data models. * Experience with OpenAPI/Swagger is a plus. Communication & Collaboration: * Excellent written English with the ability to explain complex technical concepts clearly. * Strong collaboration skills with engineers, security, and product teams. * Ability to translate technical insights into clear documentation for different audiences. Continuous Improvement: * Proactive mindset focused on improving documentation quality and developer experience. * Detail-oriented with a structured approach to complex information. Information Security, Business Continuity & Privacy: * Strong awareness and adherence to security and privacy principles. * Active engagement in maintaining secure documentation practices. NICE TO HAVE * Experience with: * Cybersecurity or threat intelligence. * OWASP or secure development practices. * Data pipelines or event processing architectures. * Fluent in English. WHY US? About ThreatFabric At ThreatFabric, we're not just shaping the future of cybersecurity - we're defining it. With our headquartered in the vibrant city of Amsterdam, ThreatFabric stands at the forefront of combating online fraud, mobile malware, and threat intelligence. Costly online scams, fraud and malware attacks are rampant. Victims’ life savings are stolen, but so are their confidence and trust. On top of this, financials' brand and reputation are damaged. Many lack online visibility to trigger prompt reaction, and the industry faces regulatory reimbursement pressure. This is why ThreatFabric provides web and mobile security: scam, fraud and malware detection and prevention, and threat intelligence to be proactive. We help the biggest financial brands protect their customers and their reputation in a world where attacks escalate, and trust erodes. Join Our Dynamic Team Ready to dive into the heart of innovation? Our team is a melting pot of talent, passion, and expertise from all corners of the globe. Behind ThreatFabric's success lies a diverse ensemble of technical experts, data scientists, and thought leaders united by a passion for innovation. With a global perspective and a collaborative spirit, our team leverages innovative technology and thousands of data points to deliver security solutions. As a scale-up, we embrace a scale-up mentality where flexibility, adaptability, and a dynamic approach are essential. Our Core Values At ThreatFabric, our culture is defined by three guiding principles: * One Team: Collaboration fuels our success as we work together to tackle complex challenges. * Continuous Excellence: We're committed to pushing boundaries and exceeding expectations in everything we do. * Customers at the Heart: Our customers are not just clients - they're partners. Their success is our priority. Interested? Are you as excited about this opportunity as we are? We can't wait to hear from you! Apply through the Personio link, and let's make innovation happen together! We aim to fill this vacancy 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.