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Senior Java Developer
Java

Senior Java Developer

46 - 51 USD/hNet per hour - B2B
46 - 51 USD/hNet per hour - B2B
Type of work
Full-time
Experience
Senior
Employment Type
B2B
Operating mode
Hybrid

Tech stack

    Polish

    C1

    English

    C1

    Java 8+

    advanced

    financial markets

    regular

    Hibernate

    regular

    SQL

    regular

    Spring Boot

    regular

    Angular

    nice to have

    Vue.js

    nice to have

    React

    nice to have

Job description

Online interview

Work Model: Hybrid (at least 1 day on-site per week in Warsaw) 

Start Date: Up to 1-month notice period acceptable


Job Introduction:


Are you a results-driven Software Engineer passionate about building mission-critical systems in the financial industry? Do you thrive in an environment that values innovation, resilience, and systematic problem-solving? If so, we’re looking for you!


As part of the Stock Exchange Engineering team, you will play a pivotal role in driving the back-end and front-end development of our products. We're seeking top-tier talent to join our growing team and help shape the future of financial markets infrastructure.


Responsibilities:


  • Design and develop high-performance Java-based back-end solutions for post-trade processing, ensuring seamless integration with primary and secondary market trading systems

  • Ensure compliance with regulatory standards and internal security policies, maintaining system resilience and operational reliability

  • Translate business requirements into scalable, best-in-class solutions, following Java development best practices and financial market regulations

  • Collaborate in an agile, cross-functional team comprising developers, testers, product owners, and business stakeholders, leveraging frameworks like SCRUM and SAFe

  • Develop and maintain mission-critical financial systems used by leading global financial institutions, contributing to the advancement of post-trade processing infrastructure


Requirements:


  • Proven Expertise in High-Performance Java Development

  • 10+ years of experience in multi-threaded, low-latency Java applications (Java 8+, Spring Boot)

  • Advanced Database & Performance Optimization Skills

  • Expertise in SQL, Hibernate, and database optimization to handle high-throughput financial transactions

  • Deep Knowledge of Financial Markets & Messaging Protocols

  • Experience with event-driven architectures, messaging systems, and system integration

  • Strategic Problem-Solver with a Resilience Mindset

  • Strong analytical and troubleshooting skills in complex, mission-critical systems

  • Passion for building secure, scalable, and future-proof software solutions

  • Fluent English 


Bonus:


  • Experience with Angular or modern front-end frameworks


What We Offer:


  • Hybrid work model in Warsaw

  • B2B contract via Experis

  • Medicover

  • Multisport

  • E-learning platform

  • Group insurance

46 - 51 USD/h

Net per hour - B2B