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Salary
≈ $56k – $93k per year (Estimated)
Location
In office (Warsaw)
Seniority
Senior · 5+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Oct 9, 2026.

Overview
Company
Impact
Profile match
SD Solutions evolves dynamic transformation of tech-driven businesses. Operating globally for 8+ years, hiring in 15+ countries, we built a service excellence in IT staff augmentation, Employers of Record, Business Process Outsourcing, Start-up scaling, HR consulting and more.

On behalf of FinTech Client #4, SD Solutions is looking for a talented SeniorFull Stack Developer for Billing project that handles the processing of fees, exchanges, invoices, payments, and statements for our clients. We are looking for an experienced and skilled full-stack senior engineer who can lead the entire feature development cycle.

SD Solutions is a staffing company operating globally. Contact us to get more details about the benefits we offer.

Responsibilities:

  • Collaborating with the product owner to clarify requirements and expectations
  • Collaborating with the product owner to advise on the best UX approach
  • Designing the solution and effectively communicating with and getting feedback from various teams (such as Architecture, Security, BI, DBA, Bizops, etc.)
  • Creating technical documentation with UML diagrams on Confluence
  • Implementing the solution following best practices and standards
  • Collaborating with the QA team
  • Supporting production incidents

Requirements:

  • More front-end oriented
  • Have 3+ years of hands-on experience with Angular, used on your current or most recent project (MUST)
  • Have 3+ years of Java experience (5+ years is a plus); candidates with strong motivation to grow backend skills are welcome
  • Be responsible and proactive
  • Produce high-quality deliverables and have a strong technical background
  • Have willingness and passion to constantly improve Billing domain knowledge
  • Have experience working in an Agile environment and follow the SCRUM framework. The project involves a lot of business challenges we have to provide technical solutions for

About the company:

A global fintech company providing unified payment infrastructure and financial services for merchants and consumers worldwide. The platform integrates multiple payment channels into a single solution, combining in-house technology development and product innovation to streamline transactions at scale.

By applying for this position, you agree to the terms outlined in our Privacy Policy. Please take a moment to review our Privacy Policy https://sd-solutions.breezy.hr/privacy-notice, and make sure you understand its contents. If you have any questions or concerns regarding our Privacy Policy, please feel free to contact us.

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