FinTech Client #4 | Senior Full Stack Developer

SD Solutions; Warszawa; On-site; PLN 180,000 - 270,000; Full time

Job summary

SD Solutions is seeking a Senior Full Stack Developer for a Billing project with a major FinTech client. The role requires leading the full feature development cycle and collaborating with cross-functional teams to deliver robust payment and invoicing solutions.

You will work closely with product owners, architects, and QA to design, implement, and document scalable features, primarily using Java on the backend and Angular on the frontend. A proactive, results-driven mindset is essential.

Qualifications

• 5+ years of Java experience.
• 3+ years of frontend (Angular) experience.
• Be responsible and proactive.
• Produce high-quality deliverables with a strong technical background.
• Willingness and passion to constantly improve Billing domain knowledge.
• Experience in an Agile environment and SCRUM framework.

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.

Skills

Java

Angular

Agile / Scrum

Proactive

Tools

Confluence

Job description

On behalf of FinTech Client #4, SD Solutions is looking for a talented Senior Full 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:

• Have 5+ years of Java experience
• Have 3+ years of frontend (Angular preferably) experience
• 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.

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