Senior Full-Stack Engineer

Node.js · NestJS · TypeScript · React · Next.js · MySQL · AWS · GitLab

Tech stack

Backend Node.js 18+, Express 4, NestJS 10, TypeScript

Database MySQL 8, Sequelize, TypeORM, migrations

Frontend React 18, Next.js 13 (App Router), TypeScript, Tailwind, MUI, Bootstrap

Cloud AWS — EC2, RDS, S3, IAM, CloudWatch, Route 53, ACM

Runtime / infra Linux, nginx, PM2, headless Chrome (Puppeteer)

Source control / CI GitLab, GitLab CI/CD

Integrations REST, SOAP, OAuth2, webhooks, Zoho CRM, Zoho Books, Mandrill, Twilio, partner APIs

Auth / security JWT, RBAC, secrets management, handling of personal data

What we are looking for

● 5+ years commercial full-stack JavaScript and TypeScript.

● Strong Node.js — Express and NestJS.

● MySQL: schema design, indexing, query optimisation, migrations (Sequelize / TypeORM).

● React and Next.js in production.

● REST and SOAP API integration; OAuth2 flows and token refresh.

● Production debugging from logs, database and request traces.

● Secure handling of personal and regulated data.

Roles and responsibilities

● Maintain and support four live production platforms.

● Build recent features end to end — API, database, front end.

● Troubleshoot and resolve production incidents.

● Own releases: deploy, verify, roll back; design and run database migrations.

● Maintain and extend third-party integrations.

● Set up and maintain monitoring,



alerting and logging; remediate security findings.

● Maintain runbooks and documentation; liaise with client and vendor technical contacts.

AWS experience

● EC2 — provisioning, SSH, security groups, sizing, patching.

● RDS — MySQL instances, parameter groups, automated backups, snapshots, restores.

● S3 — buckets, IAM policies, presigned URLs, CORS, lifecycle rules, encryption.

● IAM — users, roles, least-privilege policies, key rotation.

● CloudWatch — logs, metrics, alarms.

● Route 53 and ACM — DNS records, TLS certificates, renewals.

● Cost visibility and right-sizing; infrastructure as code (Terraform / CloudFormation) advantageous.

GitLab experience

● Repository and group administration, branch protection, access control.

● Branching strategy, merge requests, code review.

● GitLab CI/CD — building pipelines from scratch: build, test, deploy stages.

● Runners, CI variables, secrets and deploy tokens.

● Environments, deployment jobs and rollback.

● Container and package registry; issue boards and milestones.

This is a good role if you

● Like owning systems end to end — backend, frontend, database and infrastructure.

● Are comfortable inheriting an unfamiliar codebase.

● Want autonomy and technical decision-making.

● Are comfortable working directly with clients and vendors.

📌 Senior Full Stack Developer (India)
🏢 Delphi WebTech
📍 India