Lead Java Application Engineer (Java 21, Spring Boot 3, REST API, Agile, Cloud, Databases)
SourceFirst International s.r.o.
Bratislava, Slovakia (Job with occasional home office)
full-time
By agreement
3 800 - 6 300 EUR/monthThe final salary offered will depend on the candidate's experience and knowledge + attractive benefit system of the company. Only possible on permanent employment.
Information about the position
Job description, responsibilities and duties
About the Role
Join our Database as a Service (DBaaS) team and help evolve a core platform used. We provide secure, stable, and easy-to-use database services with a strong focus on automation and self-service, supporting both private and public cloud environments.
We are looking for a hands-on Lead Java Engineer who combines strong development skills with the ability to guide technical direction when needed.
This is an individual-contributor technical lead role. You will spend most of your time designing, building, reviewing, and improving code, while taking technical lead on selected features, refactoring efforts, and cross-team initiatives.
Responsibilities
Engineering & Delivery
- Work with and improve a large existing Java codebase
- Drive incremental refactoring and modernization of legacy components
- Contribute to migration towards Spring Boot-based services
- Design, develop, and maintain services forming the DBaaS platform
- Participate in code reviews and maintain high code quality
- Troubleshoot issues and contribute to production support
- Collaborate with database engineers and other teams
Technical Leadership & Delivery
- Lead implementation of selected features and initiatives
- Drive pragmatic improvements in system design, reliability, and maintainability
- Contribute to architectural decisions with focus on practical solutions
- Support end-to-end delivery — design, implementation, testing, and operation
- Collaborate with product owners and other teams to refine priorities
- Apply agile practices to deliver incremental improvements
- Stay actively involved in implementation to keep decisions grounded in reality
Employee perks, benefits
- flexible working time
- hybrid type of home-office
- kindergarten - available in our building
- yearly salary re-evaluation
- sick days
- MultiSport card
- mental & medical health support
- public transport donation
Information about the selection process
We always have several positions for IT Specialists not only in Slovakia and the Czech Republic, but also on foreign projects.
Expected date of completion of the selection process
Company on whose behalf the position is being filled
Our client is a leading international tech company and provides a wide range of products and services. This role is suitable for candidates of all genders.
Requirements for the employee
Minimum education required
Personality requirements and skills
Requirements
Minimum Qualifications
- Strong experience with Java and backend development
- Experience building and maintaining RESTful services
- Experience working with large, complex codebases
- Proven ability to perform incremental refactoring and modernization
- Solid understanding of software engineering fundamentals and clean code practices
- Experience with CI/CD, Git, and Docker
- Strong problem-solving skills and attention to detail
- Good communication skills and ability to collaborate across teams
- Professional proficiency in English
Preferred Qualifications
- Experience with Spring Boot or modernizing legacy Java applications
- Experience with PostgreSQL and/or Oracle
- Understanding of distributed systems challenges (failures, retries, idempotency)
- Experience with cloud platforms (Azure preferred)
- Familiarity with observability, monitoring, and production troubleshooting
- Experience with asynchronous patterns (messaging, background processing)
What we are looking for
- Someone comfortable improving existing systems step by step
- Ability to balance technical quality with business needs
- A pragmatic mindset — choosing the right level of solution
- Ownership and accountability for delivered work
Advertiser
Brief description of the company
SourceFirst International s.r.o. portfolio of services:
Technology Recruitment across Europe
Recruitment Outsourcing
Sourcing and Recruitment of permanent, contract and interim talent
Strategy CVs Sourcing
Executive Search