Mid-Level Backend Developer (NodeJS) – High-Growth Startup

About the role

We are looking for a skilled and dependable Mid-Level Backend Engineer to join our growing engineering team. You will design, build, and maintain the backend services that power WakaMi’s mobile application and administrative platform.

Key responsibilities

• Design, develop, test, and maintain reliable backend services and RESTful APIs.
• Build and improve features for task posting, matching, runner assignment, ratings, and dispute management.
• Develop secure workflows for wallets, payments, escrow transactions, refunds, and transaction reconciliation.
• Design efficient PostgreSQL schemas, queries, indexes, migrations, and data‑access patterns.
• Integrate third‑party services for payments, identity verification, maps, notifications, and messaging.
• Monitor application performance, API reliability, database health, logs, and error rates.

Required profile

• Three to five years of professional backend software development experience.
• Strong proficiency in Node.js, TypeScript, and JavaScript.
• Practical experience designing and maintaining RESTful APIs.
• Strong knowledge of PostgreSQL or another relational database.
• Experience implementing authentication, authorization, and secure API‑development practices.
• Working knowledge of AWS or a comparable cloud platform.

Required skills

• Node.js
• TypeScript
• JavaScript
• RESTful API design
• PostgreSQL
• AWS (Lambda, ECS, S3, API Gateway, RDS, CloudWatch, SQS)
• Docker
• Redis
• Message queues (e.g., SQS)
• WebSockets
• OpenAPI/Swagger
• Git
• CI/CD workflows