Additional Information
Job Posting Description
Are you ready to write your next chapter?
Make your mark at one of the biggest names in payments. We're looking for an Software Engineer Specialist to join our ever-evolving Payrix Team and help us unleash the potential of every business.
What you'll own as - Software Engineer Specialist
As a Backend C# Engineer, you'll be part of a high-impact team building the next-generation embedded payments platform for software providers. You'll work with modern .NET technologies to design scalable, secure, and modular services that power seamless payment experiences. Your work will directly enable Independent Software Vendors (ISVs) to launch, grow, and manage embedded payments programs with minimal friction and maximum control.
Designing and developing scalable backend services using C# and .NET
Building modular APIs and microservices that support onboarding, payment processing, payouts, reconciliation, and reporting
Integrating with key systems including Express Gateway, Hosted Payments Pages, TriPOS, FraudSight, and Payrix services
Collaborating with frontend, product, and infrastructure teams to deliver end-to-end features
Writing clean, maintainable, and testable code following TDD principles
Participating in code reviews and contributing to architectural decisions
Ensuring performance, security, and reliability across distributed systems
Supporting CI/CD pipelines and infrastructure automation
What you bring
10+ years of experience in backend development with strong expertise in C# and .NET
Solid understanding of microservices architecture and distributed systems
Experience with RESTful API design and API-first development
Strong grasp of software design principles and patterns (e.g., SOLID, DDD, Repository, Factory, Observer)
Experience with relational databases (PostgreSQL) and caching systems (Redis)
Familiarity with event-driven architecture and message brokers (Kafka)
Experience with automated testing and TDD using frameworks like xUnit, NUnit, or similar
Good understanding of CI/CD pipelines and DevOps practices
Excellent communication skills and a collaborative mindset
Technologies you'll work with:
Core Backend: C#, .NET, PostgreSQL, Redis, Kafka
Architecture & Patterns: Microservices, Domain-Driven Design, API-first, Event-driven systems
Infrastructure & DevOps: Kubernetes (AWS), Terraform, GitHub Actions, Jenkins
Testing & Quality: xUnit, NUnit, TDD, Playwright (for end-to-end flows), OpenTelemetry
Security & Identity: KeyCloak, OpenFGA
Monitoring & Observability: Grafana, Prometheus, OpenTelemetry
AI Integration (Nice to Have): Amazon BedRock, Claude Sonnet, Titan Embedding Model, LangChain, OpenSearch
Bonus if you have:
Experience in fintech, payments, or banking platforms
Exposure to embedded payments or white-labeled product development
Familiarity with context engineering or retrieval augmented generation (RAG)
Contributions to open-source or internal developer tooling
Worldpay · Bengaluru, India