Android Engineer - Warsaw

Mollie; Warszawa; Hybrid; PLN 180,000 - 240,000; Full time

Job summary

A leading fintech company is seeking an experienced Android Engineer to join a hybrid team in Warsaw. You will play a crucial role in developing high-performance Android applications for electronic payments and contribute to the growth of the In-Person Payments solution. The ideal candidate has over 5 years of experience in Android app development, a strong proficiency in Kotlin, and a deep understanding of Android fundamentals. This position will provide opportunities for personal and professional growth within a dynamic environment.

Qualifications

• 5+ years of proven experience in Android app development.
• Strong proficiency in Java or Kotlin.
• In-depth understanding of Android OS fundamentals.

Responsibilities

• Design, develop and maintain high performance Android applications for electronic payments.
• Collaborate with other engineers and product managers to define requirements and deliver high-quality software.
• Own the code quality and engineering best practices.

Skills

Android app development

Proficiency in Kotlin

Experience with Android SDK

Java programming

Education

Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field

Job description

Build with us

Businesses deserve better from finance. Less friction, more freedom. Since 2004, Mollie has been on a mission to make payments and money management effortless for every business in Europe.

Today, more than 250,000 companies trust our all-in-one platform to get paid, manage money and grow on their terms. Simple, scalable and built with real businesses in mind.

We’re one of Europe’s fastest-growing fintechs, with 900+ Mollies across 12+ locations. Our people make this growth possible. We move fast, build with purpose and care deeply about our customers. Whether you’re solving problems, building market-leading products or exploring how AI can make work smarter, you’ll have the freedom to create and the trust to deliver.

If you’re ready to grow, shape the future of fintech and join an ambitious, high-performing team, this is the place for you.

Your impact

Helping to shape the future of Mollie’s In-Person Payments solution — a product that, since its launch in May 2023, has quickly gained strong market traction and received outstanding feedback from customers. As we continue to expand this offering, you’ll join our newly established hybrid engineering team in Warsaw as an Android Engineer to contribute to its next phase of growth.

What you’ll ship

• Design, develop and maintain high performance and reliable Android applications for electronic payments, covering all development phases.

• Write clean, maintainable, and well-documented code in Kotlin

• Collaborate with other engineers, product managers, and QA to define requirements, design solutions, and deliver high-quality software.

• Own the code quality and engineering excellence and best practices of our systems.

What you’ll bring

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field.

• 5+ years of proven experience in Android app development, with strong proficiency in Java or Kotlin

• Experience with the Android SDK

• In-depth understanding of Android OS fundamentals, application lifecycle, services, inter-process communication (IPC), and system-level APIs.

Grow your way

At Mollie, growth is personal. We believe everyone should have the chance to develop their skills, explore new challenges and shape their career on their own terms.

You’ll get regular feedback and performance reviews to support your development, with fair and transparent salary reviews along the way. Many Mollies move into new roles or take on new projects to stretch themselves, and we actively hire from within to help you take the next step.

No matter if you’re aiming for promotion, exploring a different career path or building new skills, you’ll be supported with the tools, trust and opportunities to grow your way.

Unlock your full potential and join us to eliminate financial bureaucracy

If you're excited by the idea of building what’s next, for yourself and for thousands of businesses across Europe, we’d love to hear from you. Apply with your CV (in English) using the form below.

Want a peek behind the scenes? Check out what life at Mollie is really like.

AI at Mollie

We believe in Always Be Shipping, and AI brings that philosophy to life across every team, every role, every day

AI is core to how we build. It helps us move faster, simplify work and make smarter decisions, creating real impact for the businesses we serve. We’re looking for people who are excited to use AI to shape the future of finance with us.

Please apply with your English resume.

Kindly note that the engagement for this role will be structured under a B2B model.