Senior Go Backend Engineer

About Dividandy We're building a mobile trading tournament platform where users compete in real-time financial trading competitions. Think high-frequency gaming mechanics combined with real market data. We process thousands of concurrent transactions, manage complex tournament logic, and serve real-time leaderboards across iOS, Android, and web.

The Role You'll be hands-on, building and maintaining our core Go microservices. This is a 100% coding role focused on tournament logic, financial ledger management, user identity, and market data systems. You'll own production systems, keep them fast and reliable, and help shape how we build at scale.

What You'll Do Write and maintain Go microservices handling tournament engine, ledger, and identity systems

Optimize PostgreSQL queries and implement smart caching with Redis

Build event-driven systems with Kafka for real-time updates

Debug production issues and improve system reliability

Participate in on-call rotation to support production

Review code and help teammates improve their craft

Contribute to architectural decisions for new features

Use AI coding assistants (Claude, GitHub Copilot) to accelerate development and code generation

Validate and improve AI-generated code, using AI tools for debugging and optimization

Leverage AI-powered analysis for security, performance, and code quality improvements

What We Need Required:

4-6 years building production Go systems

Strong PostgreSQL skills (query optimization, schema design)

Experience with Redis, Kafka, or similar systems

REST API design and comprehensive testing

Linux command line, Docker basics

Ownership mentality—you care about reliability and code quality

Comfort using AI coding tools and ability to critically evaluate AI suggestions

Willingness to integrate AI into development workflow responsibly

Nice to have:

AWS experience (Cognito, S3, SNS)

Financial or trading system background

High-scale systems (thousands of requests/second)

CI/CD, observability tools

Open source contributions

Technical leadership experience

Prior experience with AI-assisted development tools

Tech Stack Go 1.25.3, PostgreSQL, Redis, Kafka (AWS MSK), AWS (ECS, RDS, ElastiCache), Docker, Jenkins, Terraform

Services you'll work on:

Tournament Engine - Scoring, rules, leaderboards

Ledger Engine - Financial transactions and settlements

User Identity - Authentication and user management

Market Data Provider - Data aggregation

Why Join Us Hands-on engineering work, not meetings

Fast-paced startup environment

Work on systems that matter

Opportunity to grow technically and lead

Solid team, flat hierarchy

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