Java Software Engineer

Reach-U works with customers around the world on unique, data-driven software projects. With our purpose-built technology, our customers can perform business analysis more interactively and much faster than with traditional tools.

Join our team in Tartu and make a global impact!

What You'll Be Doing:

As a Java Software Engineer at Reach-U, you will play a crucial role in building resilient backend architecture, designing reliable APIs, and optimizing data-driven software solutions.

Your responsibilities will include:

• Creating production-grade Java code that customers can trust — ensuring high performance, efficiency, and proactive error handling.
• Continuously improving backend systems and data workflows while proposing architectural enhancements to optimize stability.
• Assisting with ad hoc software and data analyses to solve complex engineering and business challenges.
• Acting as a reliable technical contributor across the entire software development lifecycle.

What You'll Bring to the Team:

• Solid hands-on software development experience with Java and a passion for clean software design.
• A problem-solving mindset focused on delivering practical business value through well-structured solutions.
• A detail-oriented approach with a keen eye for quality while keeping the big-picture architecture in mind.
• Commitment to high standards in software architecture, data security, and privacy.
• Working knowledge of relational databases (Oracle, MySQL, PostgreSQL), NoSQL (MongoDB, Elasticsearch), and columnar databases (Cassandra, BigTable).
• Hands-on experience with applications and data in public cloud environments.
• Excellent English and Estonian proficiency (written & spoken).

Bonus Points For:

• Experience in data manipulation workflows using Airflow, Python (Pandas), Spark, or Bash.
• A talent for presenting complex findings or technical topics in an easy-to-understand form for non-technical audiences.
• Prior experience working in industries outside of ICT.
• Interesting portfolio cases or past projects you can proudly showcase.

Why Join Reach-U?

• One full paid day every month dedicated entirely to your self-development and exploring new technologies.
• Mental health support via MinuDoc, and Stebby compensation for sports, massages, and physical well-being.
• A mission-driven team of engineers who genuinely love learning together and tackling complex technical challenges.
• Strong, long-term international customers who trust us with their most demanding, high-impact tasks.