Job Description
Strategic Staffing Solutions International’s client is a leading global investment bank and financial services firm, known for working with top companies, governments, and institutions. With a strong worldwide presence, they focus on investment banking, markets, asset management, and consumer finance.
They are seeking an experienced and independent Software Engineer to join their Engineering teams (Payments / Electronic Trading) on a 6–12 month hybrid contract in Warsaw (4 days office / 1 day remote).
Key Responsibilities
- Resolve production issues in high-performance trading or payments systems
- Build automation tools and improve operational efficiency
- Develop and enhance Java/Python-based microservices and APIs
- Work with SWIFT / ISO20022 messaging or trading platforms
- Support CI/CD, releases, and monitoring improvements
- Collaborate with global engineering, infrastructure, and business teams
Requirements & Qualifications
- Bachelor’s or Master’s degree in Computer Science, Engineering, or related field
- 4+ years of software engineering experience
- Strong skills in Java (11/17/21), Spring, Spring Boot, Hibernate, DB2
- Experience with Apache Kafka and event-driven architectures
- Knowledge of MongoDB and data modelling
- Experience with Maven, Docker, and RESTful APIs
- Solid understanding of microservices / distributed systems
- Familiarity with Git and CI/CD pipelines (GitLab CI preferred)
- Linux and production support experience
Preferred
- IBM MQ / JMS (queue managers, channels)
- Infrastructure as Code (IaC)
- ISO 20022 / SWIFT / CBPR+ / FIN
- Python scripting
- Angular
- Experience in financial services / payments / banking tech
- Strong analytical and problem-solving skills
- Ability to collaborate effectively in global teams
- Commercial mindset with strong focus on code quality
- Strong communication skills, ownership, and proactive attitude
What we offer
- Work in a top-tier global investment banking environment
- Hybrid working model (Warsaw)
- Exposure to mission-critical financial systems
- Contract until 31-Dec-26 contract, with potential extension
- Salary - FTE: up to 24,200PLN gross / B2B: up to 200PLN p/h