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Freelance Senior Java Developer

extra holidays - fully flexible
Remote: 
Full Remote
Contract: 
Freelance
Experience: 
Senior (5-10 years)
Work from: 
Poland

Offer summary

Qualifications:

7+ years of experience in Java development, Expertise in Java 17+, Quarkus or SpringBoot, Familiarity with Docker and Kubernetes, Experience in the financial industry.

Key responsabilities:

  • Deliver complex new features and improvements
  • Collaborate with cross-functional teams

Espeo Software logo
Espeo Software SME https://bit.ly/
51 - 200 Employees
About Espeo Software
We help companies develop and implement innovative fintech solutions. By leveraging our expertise in blockchain, online payments, and other related areas, our clients can invent and develop cutting-edge solutions and services that help them stay at the forefront of innovation. You can consider Espeo Software a boutique One Stop Shop for Financial Technology. We are proud of our in-house Consulting Team that helped dozens of our customers to properly design solutions and product strategies, match the most efficient technology and utilize the private blockchain to be ahead of the competition. That’s what we do daily as Hyperledger Certified Service Provider - 1 of 2 in Europe and 1 of 17 globally. We have also built a solid network of consulting partners who are indisputable experts in Finance & Banking. If you work within the following domains, we’re a good match: • Online payments • Digital banking • Wealth management • RegTech • InsurTech • eWallets • API development • Trading software. We have been delivering FinTech solutions since 2008, building a broad portfolio, but we are not stopping here. We want each team member to know your industry from the inside out. That’s why we implemented a company-wide training program. All of us undergo general finance-related training, and our tech experts go through several courses and certifications on FinTech, Data & Information Security and Secure Solution Infrastructure. Are you open to having a conversation about your struggles and plans? We are happy to help you take advantage of the latest technologies and create a secure, efficient, and reliable solution. Visit our website to learn more about our services, or contact us in the home section!
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Job description

We are a technology company that started its journey in 2008. Our main headquarters is located in the picturesque city of Poznań, nestled by the beautiful Malta lake. For more than 15 years, we have been assisting companies in developing and implementing innovative fintech solutions. Leveraging our expertise in areas such as blockchain, online payments, and more, our clients can invent and develop cutting-edge solutions and services that keep them at the forefront of innovation.


Freelance Senior Java Developer

SKILLS: Java 17+ | Quarkus/SpringBoot | Docker | Kubernetes | AWS

B2B: PLN 150 - 180 / Hour 💰

LOCATION: POLAND (REMOTE)


Key Duties and Requirements: A Roadmap to Your Professional Success 🚀

Scope of responsibilities: 

  • Own the end-to-end delivery of complex new features and improvements, ensuring high quality at every stage.
  • Collaborate with cross-functional teams, including product managers, designers, and QA engineers, to deliver high-quality software solutions.
  • Prepare and maintain technical documentation, ensuring that new features and code changes are properly documented.
  • Continuously enhance application quality and security, identifying technical debt and developing strategies to address it.
  • Respond to production incidents promptly and efficiently, working with cross-functional teams to resolve issues and restore service continuity.
  • Work closely with platform engineers to improve CI/CD pipelines and optimize deployment processes.
  • Collaborate with SRE engineers and solution architects to enhance application availability, resilience, and observability.
  • Mentor and support less experienced engineers, fostering their professional growth through coaching and knowledge sharing.

Here’s a set of skills we require:

  • 7+ years of experience.
  • Strong expertise in Java (17+), with one on the modern Java web frameworks (ideally with Quarkus).
  • Hands on experience with one of the reactive Java frameworks (Project Reactor, Mutiny, or similar).
  • Experience working on distributed systems based on event-driven architecture.
  • Experience working with Docker, Kubernetes and Docker Compose.
  • Experience working AWS.
  • Experience in defining and maintaining infrastructure running on AWS in an immutable (declarative) fashion using Terraform and Helm.
  • Experience working with FIX protocol.
  • Experience working in financial industry.
  • Very good spoken and written English (at least B2).

Required profile

Experience

Level of experience: Senior (5-10 years)
Spoken language(s):
English
Check out the description to know which languages are mandatory.

Hard Skills

Java (Programming Language)Spring AOPDocker (Software)QuasarAmazon Web ServicesEvent-Driven ProgrammingTerraformKubernetes

Other Skills

  • Collaboration
  • Problem Solving
  • Mentorship
Are you interested?

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