Senior Backend Developer
Modulus Labs Inc. Pasig
What you'll be doing
- Build and scale backend systems that can handle tens of thousands of transactions per second.
- Design clean, well-structured APIs (REST & gRPC) that developers love.
- Work with modern stacks (NestJS, Node.js, Golang, PostgreSQL, DynamoDB, Redis, AWS EKS).
- Solve challenges around scalability, reliability, and security in high-throughput systems.
- Collaborate with product, platform, and security teams in a full-cycle ownership model—you build it, you run it.
- Take part in architecture design, code reviews, and shaping technical decisions that define the platform.
- Participate in a shared on-call rotation to ensure the reliability and availability of critical services (with proper support, tooling, and escalation policies in place).
- 3+ years of backend engineering experience (startup or high-growth environment a plus).
- Strong skills in Node.js, Golang, or similar backend languages.
- Experience with databases (Postgres, NoSQL) and scalable schema design.
- Strong skills with Docker, Kubernetes, and AWS—including services such as EKS (orchestration), RDS (PostgreSQL), ElastiCache (Redis), Secrets Manager, and IAM.
- Experience working in regulated environments (PCI DSS, SOC 2, or equivalent) and building security/compliance-ready systems.
- Passion for performance, clean code, and automation.
- Startup mindset: resourceful, curious, adaptable, and motivated to make an impact.
- Deep experience in fintech or payments infrastructure.
- Knowledge of observability tools (Datadog, Prometheus, Grafana).
- Prior work on distributed or ultra-high-throughput systems.
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Job summary:
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About the role
The purpose of the Senior Backend Developer is to design, build, and maintain robust backend systems...