Job VC

Backend Engineer (Java + Kafka, microservices), 4-6 years of experience. Poland only

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We are a U.S.-based fintech startup operating in the investment and financial services space. Our distributed teams work across
Poland, the United States, and Ireland
, collaborating on technology-driven solutions related to stocks and investments.
Security, compliance, and the responsible handling of sensitive financial data are central to how we operate, as we build scalable products in a regulated environment.
Responsibilities
— Develop high-quality Java microservices using Spring Boot.
— Build Kafka producers, consumers, and stream-processing apps.
— Design event-driven architectures with reliability and performance.
— Implement service resiliency patterns such as retries and circuit breakers. — Collaborate on distributed system design and integration.
Ensure logging, tracing, and monitoring of backend services.
Support performance tuning and root cause analysis.

Skills

— Strong in Java, Spring Boot, microservices patterns.
— Hands-on Kafka development—streams, partitions, consumer groups. — Knowledge of distributed systems architecture.
— Familiarity with Docker, cloud-native packaging.
— Experience in REST APIs, schema evolution, and contracts.
— Understanding of observability (logs, metrics, traces).
— Good debugging and performance optimization skills

Please read before applying:
The client is building a product in the bank/investment/brokerage systems niche, and their investors have strict security and compliance requirements, where every person will go through a background check.

Why Poland?
For background check — you must be a taxpayer in Poland for
2+ years.