Senior Java Developer with Oracle SQL
Luxoft · Krakow, PL
Project description
We are looking for a senior Java developer to join our client's team and contribute to the development of modern, scalable back-end services. You'll be part of a collaborative team focused on clean code, agile methodologies, and delivering high-quality solutions. The client is from the investment banking industry.
Responsibilities
- Design, develop, and maintain scalable back-end services and APIs using Java, Spring Boot, and Spring
Implement data access using Hibernate and SQL, with attention to performance and maintainability
Analyze and tune SQL queries and database performance on Oracle (preferred) or PostgreSQL
Define and consume RESTful APIs, clearly communicating requirements and constraints across teams
Translate business and product requirements into robust technical solutions
Apply clean code principles and back-end best practices across the codebase
Write and maintain automated tests (unit, integration)
Participate actively in agile ceremonies (Scrum/Kanban), including refinement, planning, reviews, and retrospectives
Perform code reviews and contribute to continuous improvement of engineering standards and tooling
Work closely with QA, product managers, and architects to ensure high-quality, business-aligned deliveries
Support and improve existing applications in a fast-paced, enterprise investment-banking environment
SKILLS
Must have
- At least 10 years of professional experience as a Java developer, including long-term projects
Strong Core Java skills
Strong hands-on experience with Spring Boot and building microservices
Experience in RESTful API design
Hands-on experience with PostgreSQL or Oracle, including strong SQL skills and query and performance tuning
Hands-on experience with Docker and Kubernetes
Experience with Microsoft Azure
Good working knowledge of Unix/Linux, including shell and command-line tools
Experience in automated testing of Java applications
Clean coding skills
Excellent problem-solving skills
Familiarity with agile practices (Scrum, Kanban, etc.)
Good communication skills and the ability to state requirements clearly to other teams
Nice to have
- agile development methodologies
- investment banking domain knowledge as a big plus
- Experience with Sybase