Principal Java Engineer

Job description

Numerical Technologies Ltd is a leading provider of custom software solutions and services specializing in risk, limits, and regulatory capital. Right now, we are looking for a Principal Java Engineer to join our team.

What you will be doing:

As part of the team, you will contribute to a strategic modernization initiative for a leading multinational financial services company. You will design, develop, and support scalable Java solutions while making key architectural decisions as the platform evolves from a monolithic application to a microservices architecture.

Working closely with product and engineering teams, you will design new service-based solutions, define service boundaries and integrations, build fault-tolerant services, and ensure high code quality through testing, code reviews, and system design.

Project: Modernization of a monolithic platform into a microservices architecture. Java services provide authentication, logging, and data management, while Python services implement core computational logic. The role combines hands-on development with architectural ownership of new solutions derived from existing business capabilities.

What we’re looking for:

- 5+ years of experience in Java development, preferably in FinTech.

- Strong experience with Java and Spring Framework.

- Solid understanding of microservices architecture and design patterns.

- Proficient in SQL (Oracle, PostgreSQL).

- AWS experience and Python knowledge are a plus.

- Ability to work independently and take ownership of technical and architectural decisions.

- Bachelor's degree or higher required.

- Upper-intermediate English level or higher.

What we offer:

- Competitive compensation depending on experience and skills.

- Regular assessments and salary reviews.

- Paid personal days.

- Mental health support program.

- Partial gym compensation.

- Language classes.

- Flexible working schedule.