FX Senior Java Developer (f/m/x)

Wymagania:
- Minimum 10 years in software development
- Very good knowledge of Java (backend) and Spring
- Strong understanding of REST APIs, HTTPS, microservices, and message queues (MQ)
- Ability to design high-availability, scalable, and high-performance systems
- Very good knowledge of relational databases (SQL)
- Familiarity with CI/CD pipelines and Agile ways of working
- Knowledge of distributed systems and data processing
- Hands-on work with Kubernetes and cloud platforms (GCP preferred)
- Fluent Polish and English required
- Residing in Poland required

Mile widziane:
- Knowledge of Go, Rust, or similar system-level languages
- Experience with NoSQL and analytical databases, e.g., ClickHouse
- Frontend development experience
- Familiarity with the banking sector (trade lifecycle, FX, post-trade processing)
- Banking experience / FX experience (forex)
- Working from the office in Krakow 6 times per month

O firmie:
- Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment.
- Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.

Zakres obowiązków:
- Designing and developing backend systems based on Java
- Creating and evolving a microservices architecture
- Building and maintaining REST APIs and system integrations
- Designing solutions that meet high availability and performance requirements
- Working with systems that process large volumes of data
- Collaborating with the team using Agile methodologies
- Participating in architecture design and technical decision-making
- Implementing and optimizing CI/CD processes and ensuring system security

Oferujemy:
- Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
- Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
- We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
- Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
- Comfortable workplace – class A offices or remote work
- Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
- PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
- Investment in your growth – meetups, webinars, training platform and technology blog – you choose
- Fantastic atmosphere created by all Sii Power People