Crafting ad experiences that are seamless, strategic, and user-first. This is a unique opportunity to work on high-scale ad delivery, while contributing to an app that ranks consistently among the top 10 on Google Play and the App Store. Own ad delivery on Android, implement and optimize ad units across the app using Google Ad Manager (GAM).

Craft a next-gen digital wallet—one that’s intuitive, secure, and lightning-fast. Design and develop a fluid, high-performance Android wallet that empowers users to manage crypto assets effortlessly. Ensure a seamless transition between traditional fintech experiences and decentralised technologies. Solve challenges like gas fee optimisations, cross-chain transactions, and zero-trust security models. Build smooth, intuitive interfaces that make crypto adoption easy.

You will join a new team in the field of Client Lifecycle and/or Marketing Growth working with highly motivated software engineers and academics implementing change in the financial industry. You will work with cutting edge technologies and be part of modern software development practices. You will write clean, testable, maintainable and well-documented code and treat security as a first class citizen bringing products to production and revealing real business value.

Develop and maintain the server-side logic of our applications using Java. Implement efficient and performant backend code for high-volume production applications. Conduct performance testing and tuning to improve system efficiency and scalability. Monitor application health and reliability in production environment.

Join Alfreð as a Senior Backend (Java/Kotlin) Engineer, contributing to the largest job platform in Iceland. You will be responsible for creating new features, maintaining existing ones, improving scalability, and ensuring code quality. You will also configure and monitor deployments in a fully remote role within Poland.

Bring new features from conception to completion, helping people around the world to learn more effectively by contributing code on Android and iOS — and maybe even web! Exercise a high degree of autonomy and technical authority on a team that trusts you to do what's right for our users to build the future of interactive learning.

This role will allow the team to deliver on key user acquisition projects and ultimately contribute to Greenlight’s user base growth. This engineer will work on a Scrum team with two-week sprints focused on building and enhancing viral growth loops using web/mobile but also has the opportunity to make contributions to our backend services.

As a Junior Software Engineer Intern for Summer 2025, you will work with Omnidian’s OCI Team to build and enhance software solutions that support our cloud-based platforms. You will gain hands-on experience developing scalable, secure, and high-performing applications, contributing to Omnidian’s mission of delivering cutting-edge solar performance solutions.

Contribute to cross-platform libraries powering Photoroom on iOS, Android, and the Web, impacting millions of users. You will architecture, develop and deliver complex features used by in-house app developers in exciting new technologies such as Rust, WebAssembly and wpgu.

Collaborate with our development team to enhance our cloud-based (AWS) FinTech platform using modern technologies like Kotlin, Java, Spring Boot, and Vaadin. Contribute to developing high-quality software components within an agile environment and share your ideas in a team-oriented setting. Embrace opportunities to think creatively and understand the broader scope of our applications.