FX Senior Java Developer (f/m/x)

6 636 - 8 295 USDNet per month - B2B
Java

FX Senior Java Developer (f/m/x)

Java
-, Cracow

Sii

Full-time
B2B
Senior
Hybrid
6 636 - 8 295 USDNet per month - B2B

Job description

We are looking for an experienced Senior Java Developer to join a team responsible for building and developing modern backend systems in a distributed environment. The projects involve high-performance and scalable solutions used in the financial sector, with a focus on processing large volumes of data and microservices architecture.

Your tasks

  • 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

Requirements

  • 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

Nice-to-have requirements

  • 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

Tech stack

    Polish

    C1

    English

    C1

    Java

    advanced

    Spring Boot

    advanced

    REST

    advanced

    Microservices

    advanced

    SQL

    advanced

    Kubernetes

    advanced

    CI/CD

    advanced

    Go Language

    nice to have

    Rust

    nice to have

    GCP

    nice to have

Office location

About the company

Sii

Sii Polska to czołowy dostawca doradztwa technologicznego, transformacji cyfrowej oraz usług biznesowych i inżynieryjnych. Firma obecna jest na rynku od 2006 roku, zatrudnia ponad 7 500 ekspertów, jedenastokrotnie zdobył...
Company profile

FX Senior Java Developer (f/m/x)

6 636 - 8 295 USDNet per month - B2B
Summary of the offer

FX Senior Java Developer (f/m/x)

-, Cracow
Sii
6 636 - 8 295 USDNet per month - B2B
By applying, I consent to the processing of my personal data for the purpose of conducting the recruitment process. Wyrażam zgodę na przetwarzanie moich danych osobowych zamieszczonych w niniejszym CV przez Sii sp. z o.o. z siedzibą przy Al. Niepodle... MoreThis site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.