Senior .Net Full Stack Software Engineer (CPQ)

<span>As a company we are growing, and as we scale up, we focus on growing our CPQ platform team as well. We’re looking for a </span><b>Senior .NET Full Stack Developer</b><span> with a strong backend focus to join the core CPQ engineering team at Vendavo. As we transition from a legacy monolith to a modular, cloud-native architecture on AWS, your role will be instrumental in driving this transformation. You will take ownership of modernizing business logic, building event-driven services, and enabling scalable API integrations—all while collaborating across the full stack when needed. </span><span>You should bring deep backend expertise in modern .NET, messaging, and API design, along with the ability to contribute to a React + GraphQL frontend as part of end-to-end feature delivery. </span> <h3>THE OPPORTUNITY</h3> <ul> <li>Lead refactoring of critical CPQ business logic from SQL Server stored procedures into maintainable, testable .NET application code </li><li>Design and implement microservices in .NET 8+, deployed in Kubernetes (EKS) and integrated with AWS infrastructure </li><li>Develop robust GraphQL APIs using Hot Chocolate, serving both internal and external clients </li><li>Integrate backend services with Kafka-based Data Mesh for real-time inbound/outbound data synchronization </li><li>Replace legacy Azure components (e.g., Service Bus, Blob Storage) with AWS-native equivalents (S3, SQS/SNS) </li><li>Collaborate with product managers, architects, and engineers across VPP, IAM, and Data Mesh teams </li><li>Contribute to React frontend codebase (TypeScript + GraphQL client) when full-stack delivery is required </li><li>Uphold high standards in code quality, testing, observability, and performance tuning </li><li>Mentor junior developers and participate in design reviews and technical planning </li></ul> <h3>THE SKILL SET</h3> <ul> <li>5+ years of experience in backend development using .NET Core / .NET 6+ / .NET 8 </li><li>Proven experience in migrating legacy systems to modular microservice architectures </li><li>Strong grasp of Domain-Driven Design, asynchronous patterns, and event-driven systems </li><li>Proficiency with MassTransit and message brokers (Kafka, Azure Service Bus, AWS SQS/SNS) </li><li>Solid understanding of data access patterns, caching (e.g., Redis), and database schema evolution (EF Core, migrations) </li><li>Experience with Docker, Helm, and Kubernetes deployments </li><li>Hands-on experience with React and TypeScript </li><li>Ability to modify and extend existing UI components and data flows (especially those based on GraphQL) </li><li>Familiarity with GraphQL clients (e.g., Apollo or urql) and REST integration</li><li>Familiarity with AWS cloud services (IAM, EKS, S3, Secrets Manager, SQS/SNS) </li><li>CI/CD pipeline integration experience (preferably Azure DevOps) </li><li>Observability tooling (e.g., OpenTelemetry, Application Insights, Prometheus/Grafana) </li><li>Experience working in the CPQ, pricing, or enterprise quoting domain (Nice to have) </li><li>Familiarity with federated GraphQL schemas and gateway architectures </li><li>Exposure to IAM and OIDC/OAuth2-based authentication/authorization flows </li><li>Previous involvement in Data Mesh or large-scale data synchronization projects </li></ul> <h3>THE BENEFITS</h3> <ul> <li>Working within a team of friendly, skilled people where help is always within reach</li><li>Professional growth and development opportunities</li><li>Use of modern tools and access to experts</li><li>Team spirit in the workplace, with weekend retreats and fun team activities</li><li>Opportunities to learn a new field and get a deep understanding of enterprise tech</li><li>Flexible working hours without micromanagement</li><li>Personal freedom and focus on individual responsibility</li><li>Company-sponsored events for employees, volunteer tech talks, and tournaments</li><li>Weekly English classes, international travel opportunities</li><li>25 days of paid vacation + 4 additional company days off to recharge your batteries (1 day each quarter) + 2 days paid for charity activities</li><li>Monthly benefits allowance, meal contributions</li><li>MultiSport card available</li><li>Modern cozy offices in Prague, Hradec Kralove, and Ostrava, no large open-space floors or cubicles, rec room with games and books</li><li>High-end laptop (Dell XPS or Mac) and smartphone (Samsung S or iPhone), including personal use</li><li>Option to use discounted unlimited mobile plan for family members</li><li>O'Reilly Learning</li></ul>THE VENDAVO STORY  Vendavo partners with the world’s leading companies to accelerate growth and profitability, advance innovation, and build more prosperous communities. Our powerful, cloud-based, AI-powered pricing, selling, and prescribing solutions empower global manufacturers and distributors like Ford, Avnet, and Medtronic to manage, optimize, and digitize their end-to-end commercial processes. But we offer so much more than software.