Senior Full-Stack Engineer; Billing

Europe's fastest-growing SaaS company is searching for a Senior Full-Stack Engineer
!

You can be our perfect match!

Docu Sketch is a leading software provider for the restoration, property insurance, and real estate industries across North America and Europe. Our digital platforms empower restoration professionals, adjusters, and insurers to efficiently document, manage, and process property claims. Headquartered in Potsdam, Germany, Docu Sketch continues to expand globally — driven by innovation, reliability, and customer success. As part of our modernization, we are evolving our billing and authentication infrastructure to be more scalable, secure, and intelligent — integrating subscription management, automated billing, and identity systems (SSO, OAuth2) to power our growing SaaS ecosystem.

We are seeking a Senior Full-Stack Engineer to join our Billing team. You will play a key role in building and scaling Docu Sketch’s financial and identity systems — ensuring reliable subscription management, secure authentication, and seamless user experiences across our global platform. This is a hands‑on, high‑impact engineering position where you’ll contribute across the stack — designing backend services, implementing modern Angular frontends, and integrating with core financial and authentication systems.

You’ll work in an AI‑first engineering culture, leveraging tools like Git Hub Copilot, Cursor, and automation frameworks to accelerate development, improve quality, and focus on high‑value problem‑solving.

Full‑Stack Development

• Design and implement microservices for billing, authentication, and subscription workflows.
• Develop RESTful APIs for financial transactions, identity management, and external integrations (CRM, ERP, payment gateways).
• Maintain and modernize existing backend components while ensuring performance, scalability, and data integrity.

Frontend (Angular)

• Build responsive, secure, and intuitive UI components for billing management, authentication flows, and administrative dashboards.
• Ensure seamless user experiences through real‑time feedback, accessibility compliance, and design consistency.
• Collaborate closely with UX and Product teams to translate complex financial and authentication logic into simple, usable interfaces.
• Leverage AI‑powered development tools (e.g., Copilot, Cursor, Codeium) to enhance code quality, accelerate feature delivery, and improve documentation.
• Automate repetitive coding and testing tasks to focus on creative problem‑solving and architectural decisions.
• Contribute to the evolution of Docu Sketch’s AI‑first engineering workflows — sharing insights and best practices for intelligent tooling adoption.

System Integration & Delivery

• Collaborate with finance, QA, and platform teams to ensure accurate data flow across billing and authentication systems.
• Participate in architectural reviews, code reviews, and agile ceremonies to drive continuous improvement.
• Implement unit, integration, and regression tests to ensure high system reliability.

Required Experience

• 5–8 years of software engineering experience with strong full‑stack capabilities.
• Solid backend experience with Java/Spring Boot and relational databases (Postgre
  
  SQL, MySQL).
• Strong frontend experience with Angular and modern web application design patterns.
• Experience with authentication and identity management (SSO, OAuth2).
• Experience with billing platforms (e.g., Stripe, Fast Spring, Zoho, Net Suite).
• Understanding of RESTful API design, testing, and CI/CD practices (Git Hub Actions, Jenkins).
• Proactive communicator and collaborator in distributed, agile teams.

Preferred Skills

• Knowledge of QA automation and observability tools.
• Exposure to AI‑assisted development environments and developer productivity tooling.
• Understanding of security and compliance best practices in SaaS environments.

• Build and shape Docu Sketch’s financial and identity backbone, serving thousands of users worldwide.
• Work in a modern, AI‑first engineering culture that values craftsmanship and intelligent automation.
• Collaborate across teams to deliver mission‑critical systems…