Backed Engineer

Soul Ai; Mumbai; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Soul Ai is seeking a Backend Engineer to architect and build scalable, secure APIs and services. You will collaborate with frontend, DevOps, and product teams to deliver high-impact backend systems powering core platform features.

The ideal candidate has deep experience with backend frameworks, databases, API design, and cloud infrastructure, and can build reliable systems that scale across environments. Join a team driving critical platform capabilities.

Qualifications

• Proficiency in one or more backend languages and frameworks.
• Experience with designing scalable REST or GraphQL APIs.
• Strong knowledge of relational and NoSQL databases.
• Experience with authentication/authorization and secure coding practices.
• Familiarity with containerization and CI/CD pipelines.

Responsibilities

• Design, build, and maintain robust RESTful or GraphQL APIs.
• Architect systems with clear data models and separation of concerns.
• Optimize database performance with indexing, queries, and caching.
• Implement security best practices including authentication/authorization and input validation.
• Write unit, integration, and end-to-end tests.
• Deploy and monitor services in CI/CD pipelines and production environments.
• Collaborate with frontend, DevOps, and product teams to ship features quickly.
• Troubleshoot performance bottlenecks and outages in production.

Skills

Backend languages

Backend frameworks

API design

Relational databases

NoSQL databases

Security best practices

Testing and quality

CI/CD practices

Education

Bachelor's or Master's in CS/SE

Tools

Docker

Git

GitHub Actions

Jenkins

GitLab CI

Kubernetes

Prometheus

Grafana

ELK stack

Datadog

Sentry

Kafka

RabbitMQ

WebSockets

Job description

Role Overview.

• We are looking for a Backend Engineer who can architect and build scalable, performant, and secure APIs and services.
• Youll work closely with frontend, DevOps, and product teams to deliver high-impact backend systems that power critical features across our platform.
• The ideal candidate has deep experience with backend frameworks, databases, API design, and cloud infrastructure and knows how to build reliable systems that scale.

Responsibilities.

• Design, build, and maintain robust, scalable RESTful or GraphQL APIs.
• Architect systems with clear data models and clean separation of concerns.
• Optimize database performance through effective indexing, query tuning, and caching strategies.
• Implement security best practices including authentication, authorization, rate limiting, and input validation.
• Write unit, integration, and end-to-end tests to ensure system correctness and reliability.
• Deploy, monitor, and maintain services in staging and production environments using CI/CD pipelines and observability tools.
• Collaborate with cross-functional teams including frontend, DevOps, and product to ship high-quality features fast.
• Troubleshoot performance bottlenecks, memory leaks, and outages in production environments.

Required Skills.

• Proficiency in one or more backend languagesNode.js (JavaScript/TypeScript), Python, Java, or Go.
• Experience with backend frameworks like Express/NestJS, Django/FastAPI, Spring Boot, or Gin/Fiber.
• Strong understanding of relational (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis) databases.
• Expertise in API design, including REST, GraphQL, pagination, versioning, and error handling.
• Familiarity with authentication protocolsJWT, OAuth2, session handling.
• Solid grasp of security principlesXSS, CSRF, SQL Injection, secure password handling.
• Experience with Docker for containerization and deploying microservices.
• Understanding of caching (Redis, CDN), background processing (e.g., BullMQ, Celery), and job queues.
• Working knowledge of Git workflows and code review practices.
• Comfortable with CI/CD pipelines and automated deployments using tools like GitHub Actions, Jenkins, or GitLab CI.

Nice to Have.

• Experience with cloud platformsAWS (EC2, S3, RDS, Lambda), GCP, or Azure.
• Familiarity with Kubernetes or container orchestration for service scaling.
• Hands-on with monitoring/logging toolsPrometheus, Grafana, ELK stack, Datadog, Sentry.
• Experience building event-driven architectures using Kafka, RabbitMQ, or pub-sub systems.
• Exposure to real-time systems using WebSockets, Socket.io, or Server-Sent Events.
• Prior work on serverless architectures using AWS Lambda or GCP Functions.
• Basic experience working with ETL pipelines or streaming data.
• Integration experience with GenAI/ML inference layers is a plus.
• Educational Qualifications:
• Bachelors or Masters degree in Computer Science, Software Engineering, or a related technical discipline.
• Equivalent practical experience or contributions to open-source backend projects are also considered.