Senior Software Developer (Java)
Financial Crime Platform | Backend Engineering
Vyntra builds software that helps banks and financial institutions detect fraud, prevent money laundering, and understand transactions at scale. Our platform processes large volumes of transactional data in real time , combining search technology and AI to provide clear, actionable insights.
The role
You will join our Financial Crime Product Development team as a Software Developer or Senior Software Developer (Java).
Working in a small, autonomous agile team , building and maintaining backend services that are part of a large, enterprise-grade platform used by global banks and making a real difference to the impact of fraud and financial crime.
Note: you will work on site in our dedicated We Work office in Warsaw 3 days per week.
Your work will include:
Designing and developing backend services in Java
Improving performance, reliability, and scalability
Investigating production issues and delivering long-term solutions
Working with large data volumes in distributed systems
Collaborating closely with other engineers in your team
The role level (Software Developer or Senior) will depend on your experience and technical impact.
What we’re looking for
You have experience building and running production systems , and you are comfortable working independently on complex problems.
You have:
Strong experience with Java in backend development
Experience with distributed or cloud-based systems
Good analytical skills and a structured approach to problem solving
Experience working in agile development teams
Clear and practical communication skills
You also have experience with, or interest in, some of the following technologies:
Spring Boot
Kafka (or other messaging systems)
Docker and Kubernetes
SQL databases
Monitoring and observability tools (for example Grafana)
Experience with Python, TypeScript, Angular, Spark, Elasticsearch, or StarRocks is a plus, but not required.
Why join Vyntra
Join a close-knit, supportive team where you can make a difference
Work on real production systems used by major financial institutions
Solve challenging engineering problems at large scale
Have ownership of your work and influence technical decisions
Learn from experienced engineers in a collaborative environment
Contribute to technology that helps prevent financial crime
Daily tasks
- Designing and developing backend services in Java
- Improving performance, reliability, and scalability
- Investigating production issues and delivering long-term solutions
- Working with large data volumes in distributed systems
- Collaborating closely with other engineers in your team
Requirements
You have experience building and running production systems , and you are comfortable working independently on complex problems.
You have:
Strong experience with Java in backend development
Experience with distributed or cloud-based systems
Good analytical skills and a structured approach to problem solving
Experience working in agile development teams
Clear and practical communication skills
You also have experience with, or interest in, some of the following technologies:
Spring Boot
Kafka (or other messaging systems)
Docker and Kubernetes
SQL databases
Monitoring and observability tools (for example Grafana)
Experience with Python, TypeScript, Angular, Spark, Elasticsearch, or StarRocks is a plus, but not required.
Must have: Java
Nice to have: Spring, Python, Elasticsearch, Kafka, Docker, TypeScript, Grafana, Spring Boot, Angular, SQL