Senior Fullstack Java Developer

Senior Full Stack Developer

Hawk is the leading provider of AI-supported anti-money laundering and fraud detection technology. Banks and payment providers globally are using Hawk's powerful combination of traditional rules and explainable AI to improve the effectiveness of their AML compliance and fraud prevention by identifying more crime while maximizing efficiency by reducing false positives. With our solution, we are playing a vital role in the global fight against Money Laundering, Fraud, or the financing of terrorism. We offer a culture of mutual trust, support and passion – while providing individuals with opportunities to grow professionally and make a difference in the world.

As a Senior Full Stack Developer at Hawk, your mission is to architect, build, and evolve our AI-powered Anti-Money-Laundering platform. You'll play a pivotal leadership role by guiding a team of developers, establishing coding best practices, and delivering scalable, high-quality solutions across the full tech stack (Java and React). You will lead by example, support strategic decision-making, and ensure the successful delivery of features that have a direct impact on financial crime detection and customer outcomes. This is a high-ownership role requiring strong cross-functional collaboration and a passion for delivering innovative, mission-critical software.

Key Responsibilities

• Drive the architecture and end-to-end delivery of product features, setting the technical direction and ensuring best-in-class engineering practices.
• Support and mentor junior and mid-level developers through code reviews, design sessions, and technical coaching.
• Build scalable and maintainable frontend and backend components using Java and React; ensure a consistent, high-quality user experience.
• Partner with Product, Solutions Consulting, and Sales teams to align business priorities with technical implementation.
• Champion agile, continuous integration and deployment workflows, and take shared responsibility for the codebase and its operation in production.
• Create reusable libraries and scalable modules that improve development speed, consistency, and code quality.
• Own testing strategies (unit, integration, performance) to ensure quality, scalability, and maintainability.

Your Profile

• BSc or MSc in Computer Science or related technical field preferred.
• 6+ years of software development experience, with a strong track record in both backend (Java) and frontend (React) development.
• Solid experience with PostgreSQL, Elasticsearch, and familiarity with distributed systems or big data stacks (Kafka, Spark, Hadoop).
• Deep understanding of REST APIs, microservices architecture, and scalable cloud-based applications.
• Hands-on experience with Agile methodologies (Scrum, Kanban), DevOps practices, and CI/CD pipelines.
• Familiarity with observability tools and application performance monitoring is a plus.
• Excellent communicator, strategic thinker, and problem solver with a collaborative mindset.
• Committed to continuous improvement, knowledge sharing, and team empowerment.