Senior Backend Developer (Java)

Sector: Investment Banking

Contract type: B2B

Start: ASAP / 1 month of notice period max

Work model: hybrid (3 days from Wrocław office)

Contract: 6 months + extensions, long-term cooperation

Project language: English

Expected workload for the consultant: Full-time

The Java Backend Developer role is crucial within the Asset Management Technology team at a leading investment bank. The primary objective is to enhance and maintain a mission-critical platform, ensuring efficient data processing and secure transactions in a fast-paced Agile environment.

Responsibilities:

• Design, develop, and maintain backend services using Java, Spring Boot, and modern engineering practices.
• Contribute to a microservices-based architecture powering core asset management systems such as portfolio analytics, trade processing, risk management, and data warehousing.
• Work collaboratively within Agile Scrum teams, including developers, BAs, and product owners.
• Ensure services are cloud-ready, containerised with Docker, and deployed using Kubernetes.
• Integrate with upstream/downstream systems via REST APIs, event-driven patterns, or messaging systems (e.g., Kafka).
• Drive engineering excellence through unit testing, code reviews, and adherence to clean code principles.
• Partner with infrastructure and DevOps teams to implement and maintain CI/CD pipelines, monitoring, and logging.
• Help modernise legacy systems and contribute to architectural decisions focused on scalability, resiliency, and security.

Must-Haves:

• 6+ years of backend development experience with Java.
• Solid grasp of Object-Oriented Programming, design patterns, and clean code principles.
• Strong experience with Spring Boot, Spring Cloud, and related technologies.
• Production experience deploying Java services in Kubernetes (EKS, GKE, OpenShift, etc.).
• Familiarity with microservices design patterns (e.g., circuit breakers, service discovery, API gateway).
• Exposure to Agile/Scrum methodologies and Agile engineering practices (TDD, CI/CD).
• Experience working in financial services.

Nice to Have:

• Familiarity with cloud platforms (ideally Azure).
• Knowledge of financial security principles and compliance (authentication, encryption, secure APIs).

Other Details:

• Location: Wrocław, Poland
• Team Structure: Agile Scrum teams
• Project Context: Mission-critical platform for asset management technology