Mobile SDK Lead

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.