Backend Engineer

About betarchitectbetarchitect is a cutting-edge iGaming platform designed for operators committed to building and owning their unique gaming experiences. Our platform offers White Label and Turnkey Casino & Sportsbook infrastructure with event-driven, microservice architecture for scalability and flexibility.
Responsibilities
Design, build, and maintain high-load, high-performance microservices using NestJS and TypeScript.
Architect system design, define domain models, and establish robust service-to-service communication contracts.
Develop and manage complex integrations with external providers, payment gateways, and analytics pipelines.
Optimize PostgreSQL and ClickHouse queries, and architect event-driven data flows utilizing Kafka or Redpanda.
Collaborate closely with QA, Product, and DevOps teams to ensure seamless delivery and cross-functional alignment.
Conduct thorough code reviews, mentor team members, and drive critical technical and architectural decision-making.
RequirementsCore Backend & Architecture
5+ years of commercial experience with [protected info] and strong TypeScript skills.
3+ years of hands-on experience building scalable microservices with NestJS.
Solid mastery of Domain-Driven Design (DDD), SOLID principles, and Clean Architecture.
Databases & Event-Driven Architecture
Advanced knowledge of PostgreSQL, including schema design, locks, execution plan analysis, and partitioning strategies.
Proven experience building robust event-driven architectures utilizing Kafka or Redpanda.
Deep understanding of message idempotency and the implementation of Outbox and Saga patterns.
Financial Systems
Experience architecting and building highly secure Wallet and Ledger systems.
Proven track record processing multi-currency transactions and implementing double-entry accounting principles.
DevOps & Engineering Practices
Hands-on familiarity with containerization and orchestration using Docker and Kubernetes.
Experience working with Infrastructure as Code (Terraform) and building out CI/CD pipelines.
Nice to Have
Prior experience in iGaming, FinTech, Payments, or Banking domains.
Experience working with ClickHouse for high-volume analytics.
Experience implementing Change Data Capture (CDC) utilizing Debezium.
Experience managing and building within Nx Monorepos.
What We Expect
Strong ownership and accountability for delivered backend solutions.
Ability to understand and work within complex business domains (Casino, Sportsbook, Payments).
Strong focus on scalability, performance optimization, clean code, and long-term maintainability.
Excellent communication and cross-team collaboration skills.
Willingness to contribute to product and architecture evolution.
Technology Stack
TypeScript
[protected info]
NestJS
PostgreSQL
Kafka / Redpanda
ClickHouse
Docker & Kubernetes
Terraform
Debezium
Nx Monorepo
What We Offer
Competitive Remuneration
Work in a dynamic environment
Growth and learning opportunities