Go Back-End Developer

Description

WW Labs (as part of Wise Wolves Group) is the engineering division of a financial group. We build products for investment and banking: client personal accounts, backend services, integrations with brokerage and payment systems, and KYC/AML processes. We work in a small cross-functional team (PO, DevOps, QA, designer, backend and frontend engineers), where every engineer has direct influence on architecture and product decisions.
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Responsibilities

• Develop and evolve backend services in Go (microservices, BFF for mobile and web clients)
• Design and implement integrations with external financial APIs (brokerage platforms, payment providers, market data providers, custodial services)
• Work with event-driven architecture using Kafka and the ClickHouse analytics data warehouse
• Participate in design discussions: contribute to architectural decisions, write technical design docs, conduct code reviews
• Ensure service reliability and observability: metrics, logs, alerts, and participation in incident post-mortems
• Work with financial data security: authentication, anti-fraud mechanisms, and compliance with regulatory requirements

Requirements

• 3+ years of commercial experience developing in Go
• Solid knowledge of the standard library, concurrency (goroutines, channels, context), and working with gRPC/REST
• Experience with PostgreSQL (or another relational database), with an understanding of transactions and data consistency
• Experience with message brokers (Kafka or similar)
• Understanding of distributed systems principles: idempotency, retries, failure handling
• Developer-level experience with Docker and Kubernetes
• A habit of writing tests and working through code review
• English and Russian working languages; 

Nice to have

• Experience in fintech: brokerage, payments, banking, KYC/AML
• Experience with ClickHouse
• Familiarity with AWS (EKS, RDS, DynamoDB), GitLab CI, ArgoCD
• Experience integrating with financial APIs (Bloomberg/Refinitiv, brokerage APIs, Fireblocks, etc.)
• Experience with observability systems (Prometheus, Grafana, VictoriaMetrics/VictoriaLogs)

Working conditions

• Fully remote work
• Product development with no outstaffing — real influence on architecture and roadmap
• Small team, minimal bureaucracy, direct access to the business