Required Skills:
Experience-4+ years
Strong backend engineering fundamentals.
Hands-on experience with at least one backend language such as Golang, Node.js, Java, Rust, Python, or similar.
Solid understanding of REST APIs, service design, authentication, authorization, and API security.
Positive knowledge of database design, indexing, query optimisation, transactions, and data consistency.
Experience with SQL databases such as PostgreSQL, MySQL, or similar.
Understanding of NoSQL databases, caching systems, and when to use them.
Experience working with Redis or similar caching technologies.
Understanding of message queues, event-driven architecture, asynchronous processing, and background jobs.
Ability to reason about memory management, garbage collection, concurrency, and runtime behaviour.
Experience debugging performance issues in backend systems.
Good understanding of high TPS systems, load testing, horizontal scaling, and bottleneck analysis.
Familiarity with containerisation using Docker.
Working understanding of Kubernetes-based deployments,



preferably EKS.
Understanding of CI/CD pipelines and cloud deployment practices.
Good communication skills and ability to explain technical decisions clearly.

Positive to Have Skills
Experience with microservices architecture.
Experience with AWS services, especially EKS, RDS, SQS, CloudWatch, ElastiCache, API Gateway, or Lambda.
Understanding observability tools such as Prometheus, Grafana, Loki, Tempo, Open Telemetry, or similar.
Experience with distributed tracing and production monitoring.
Experience with event streaming platforms such as Kafka.
Knowledge of security best practices around JWT, OAuth2, RBAC, secrets management, and secure API design.
Experience designing systems for high availability and fault tolerance.
Exposure to infrastructure-as-code tools such as Terraform or CloudFormation.
Experience mentoring junior engineers or reviewing technical designs.

Pay: ₹5

📌 Senior Backend Developer Sahibzada Ajit Singh Nagar (India)
🏢 Wits Innovation Lab
📍 India