---
title: Senior Java Developer
company: Infolet
category: Programista
subcategory: Java
experience_level: Senior
work_mode: hybrid
location: Kraków
employment_type: B2B
salary_min: 21800
salary_max: 25200
salary_currency: PLN
salary_period: month
posted: 2026-09-28
valid_through: 2026-10-29
url: "https://solid.jobs/offer/38561/infolet-senior-java-developer"
---

# Senior Java Developer — Infolet

## Kluczowe informacje

- **Firma:** Infolet
- **Lokalizacja:** Miłkowskiego, Kraków
- **Tryb pracy:** Hybrydowo
- **Wynagrodzenie:** 21.8k–25.2k PLN netto/m (B2B)
- **Forma zatrudnienia:** B2B
- **Wymiar etatu:** 100%
- **Godziny pracy:** Elastyczne godziny pracy
- **Poziom doświadczenia:** Senior
- **Minimalne doświadczenie:** 5 mies.
- **Kategoria:** Programista
- **Specjalizacja:** Java
- **Numer referencyjny:** (86/989)
- **Data publikacji:** 2026-09-28
- **Aktywne do:** 2026-10-29

## Języki

- Polski — ekspert
- Angielski — zaawansowany

## Opis stanowiska

YOU WILL     Design and develop modular backend services using   Java and Spring Boot    Build   event-driven and asynchronous solutions   based on   Apache Kafka    Implement resilient messaging patterns such as   outbox, idempotent consumers, retries, and dead-letter queues    Design and develop   REST APIs   following agreed API standards and contract-first practices    Implement business logic, workflow automation, and rule-driven processing    Integrate services with internal and external systems using   REST, messaging, Kafka Connect, CDC, and other integration patterns    Contribute to event and schema governance using   Avro, JSON Schema, Schema Registry  , or similar technologies    Work with relational databases using   SQL, JPA/Hibernate  , and transactional processing    Improve performance, reliability, and scalability of backend services and event flows    Support   distributed tracing, monitoring, and troubleshooting   across distributed systems    Collaborate with architects, QA, and platform teams to deliver production-ready solutions

## Kogo szukamy

MUST HAVE     Strong commercial experience with   Java  , preferably   Java 17+    Very good knowledge of   Spring Boot    Hands-on experience with   Apache Kafka   and event-driven systems    Good understanding of   event-driven architecture and asynchronous processing    Knowledge of messaging patterns such as   retries, idempotency, dead-letter queues, and delivery guarantees    Experience designing and implementing   REST APIs  , ideally using   OpenAPI    Good understanding of distributed systems concepts, including   ordering, eventual consistency, and failure handling    Strong experience with   relational databases and SQL    Practical knowledge of   JPA/Hibernate  , transactions, and database performance optimisation    Strong understanding of   OOP, clean architecture, and maintainable software design    Experience troubleshooting   performance and reliability issues   in distributed or asynchronous systems    Ability to translate business requirements into reliable backend solutions    English allowing effective communication in an international engineering environment     NICE TO HAVE     Experience with   Kafka Connect, Debezium, and/or Change Data Capture (CDC)    Experience with   Avro, Schema Registry  , or event schema governance    Knowledge of   CQRS, Saga, and/or Event Sourcing   patterns    Experience with workflow or rules engines such as   Camunda or Drools

## Benefity

**Szkolenia:**

- Szkolenia wewnętrzne

**Zdrowie:**

- Pakiet medyczny
- Ubezpieczenie
- Pakiet sportowy

**Kuchnia:**

- Kawa / Herbata

**Infrastruktura:**

- Parking rowerowy

**Inne:**

- Pakiet relokacyjny

## Lokalizacje

- Miłkowskiego, Kraków, Polska

## O firmie — Infolet

**Wielkość firmy:** 60+

**Strona WWW:** https://www.infolet.pl

Od 20 lat wspieramy liderów IT, dostarczając technologie, ekspertów i pełne wsparcie operacyjne - w tym legalizację pobytu i pracy międzynarodowych specjalistów IT

Do naszych projektów poszukujemy specjalistów Java, JavaScript, C embedded, C++, PHP, specjalistów od mobile, testerów oprogramowania, administratorów sieci i systemów i wielu innych.

## Aplikuj

Aplikuj na: https://solid.jobs/offer/38561/infolet-senior-java-developer

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*Źródło: https://solid.jobs/offer/38561/infolet-senior-java-developer · Wygenerowano: 2026-09-29T11:36:02Z*