Senior 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 SeniorJava Application 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
Design and implement new capabilities while modernizing existing components
Participate in code reviews and maintain high standards of code quality
Troubleshoot issues and contribute to the team's production support rotation
Collaborate closely with database engineers and other teams
Technical Ownership & Delivery:
Take ownership of selected features and initiatives from design through delivery
Drive pragmatic improvements in system design, reliability, and maintainability
Contribute to technical design discussions with a focus on practical and maintainable solutions
Support end-to-end delivery — design, implementation, testing, deployment, and operation
Collaborate with product owners and engineers to refine requirements and 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 backend development
Experience designing and building 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 analytical and problem-solving skills
Ability to communicate clearly and collaborate across teams
Professional proficiency in English
Preferred Qualifications:
Experience with Spring Boot or modernizing legacy Java applications
Experience with PostgreSQL and/or Oracle databases
Familiarity with resiliency, retries, asynchronous processing, and related backend patterns
Experience with cloud platforms (Azure preferred)
Familiarity with observability, monitoring, and production troubleshooting
Experience with messaging or event-driven architectures
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 solution, not the most complex one
Ownership and accountability for delivered work
A collaborative engineer who enjoys working closely with teammates and stakeholders
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