Senior Fullstack Engineer: AI‑Driven Fintech, Remote

Mr Wolf Sp. z o.o.; Remote; PLN 120,000 - 180,000; Full time

Job summary

A fintech company in Poland is seeking an experienced Senior Fullstack Developer to enhance their engineering team. This role focuses on designing and optimizing scalable backend systems in Java while building RESTful APIs. Candidates should have over 5 years of backend development experience, solid knowledge of Spring Boot, and familiarity with cloud platforms. The company offers a competitive compensation package and flexible remote work arrangements while working with cutting-edge technologies including AI.

Benefits

Competitive compensation package

Flexible working arrangements

Opportunities to work with cutting-edge technologies

Professional development

Collaborative work environment

Qualifications

• 5+ years of professional experience as a Backend Developer (Java).
• Solid knowledge of Spring Boot, Hibernate, JPA and microservices architecture.
• Experience with cloud platforms (AWS, GCP, or Azure).
• Strong understanding of databases (SQL and NoSQL).
• Proven experience with AI/ML integration.
• Hands-on experience with containerization (Docker, Kubernetes).
• Familiarity with security and compliance best practices.

Responsibilities

• Design, develop, and maintain scalable backend systems in Java.
• Build and optimize RESTful and event-driven APIs.
• Collaborate with architects, frontend engineers, and product teams.
• Ensure system reliability, performance, and security.
• Drive best practices in coding, testing, and CI/CD pipelines.
• Mentor team members and contribute to technical decision-making.

Skills

Backend Development in Java

Spring Boot

Hibernate

Microservices Architecture

Cloud Platforms (AWS, GCP, Azure)

SQL and NoSQL Databases

AI/ML Integration

Containerization (Docker, Kubernetes)

Event Streaming (Kafka, RabbitMQ)

DevOps Practices

Job description

A fintech company in Poland is seeking an experienced Senior Fullstack Developer to enhance their engineering team. This role focuses on designing and optimizing scalable backend systems in Java while building RESTful APIs. Candidates should have over 5 years of backend development experience, solid knowledge of Spring Boot, and familiarity with cloud platforms. The company offers a competitive compensation package and flexible remote work arrangements while working with cutting-edge technologies including AI.