Senior Backend Developer

9 hours ago

Gurgaon, Haryana, India Avidion Softwares Gurugram Full time ₹ 15,00,000 - ₹ 25,00,000 per year

Senior Backend Developer (NestJS/TypeScript)

Location: Sec-42, Gurugram, Haryana (Work from Office)

Type: Full-Time, On-Site

About Us:

We are a premium software development company focused on delivering next-generation SaaS and AI-integrated solutions for global clients. Our team is passionate about building scalable products with modern technology stacks, high performance, and enterprise-grade reliability.

We are looking for a Senior Backend Developer who can take ownership of backend systems, design robust architectures, and lead the development of mission-critical APIs, integrations, and workflows.

Key Responsibilities

  • Architecture & Development

Design, build, and maintain scalable backend services using NestJS (TypeScript).

Implement REST APIs, webhooks, and asynchronous job queues.

Design secure, multi-tenant database schemas in PostgreSQL (with pgvector for embeddings).

  • Integrations & Workflows

Build and maintain integrations with third-party APIs (Google, Microsoft, Zoho, HubSpot, Calendly, Razorpay, Stripe).

Implement robust OAuth 2.0 flows, token refresh, and rate-limit handling.

Orchestrate background jobs with Redis + BullMQ for scheduling, retries, and throttling.

  • AI & Data Handling

Work closely with AI engineers to integrate LLM APIs (OpenAI, Anthropic, etc.) into backend workflows.

Ensure structured input/output validation using JSON schemas or Zod.

Optimize pipelines for cost, latency, and reliability.

  • Security & Compliance

Enforce security best practices (RBAC, data encryption, audit logs).

Implement data privacy features to align with DPDP Act (India), GDPR, and CAN-SPAM basics.

  • DevOps & Observability

Deploy and manage services on AWS/Render/Vercel (or similar).

Set up monitoring, logging, and alerting (Sentry, Open Telemetry, Grafana, or similar).

Ensure high availability, backups, and disaster recovery policies.

  • Collaboration

Work closely with frontend, UI/UX, and AI engineers to deliver end-to-end features.

Participate in code reviews, mentor junior developers, and uphold coding standards.

Contribute to sprint planning, architectural decisions, and technical documentation. Required

Skills & Experience

  • 4+ years of backend development experience (preferably SaaS or enterprise software).
  • Strong expertise in NestJS / (TypeScript) with deep understanding of modular architecture.
  • Proficiency with PostgreSQL (schema design, optimization, migrations).
  • Experience with Redis and job queues (BullMQ or similar).
  • Hands-on experience integrating with OAuth-based APIs (Google/Microsoft/Zoho/HubSpot). Understanding of webhooks, rate limits, retries, and async workflows.
  • Knowledge of security best practices (auth, encryption, audit logging).
  • Familiarity with deploying & scaling apps on AWS, Render, or Railway.
  • Experience with observability tools (Sentry, OpenTelemetry, Datadog, or similar).

Good-to-Have (Bonus Skills)

  • Experience with LLM APIs (OpenAI, Anthropic) and workflow orchestration.
  • Knowledge of LangChainJS or similar libraries for AI integrations.
  • Familiarity with payment gateways (Razorpay, Stripe).
  • Exposure to compliance frameworks (GDPR, DPDP, CAN-SPAM).
  • Contribution to open-source projects or technical blogs.

What We Offer

Opportunity to work on cutting-edge AI + SaaS products from India for global markets.

Fast-paced, collaborative start-up environment with real ownership.

Competitive salary and performance-based incentives.

Continuous learning, mentorship, and growth opportunities.

  • Senior Backend Developer

    15 hours ago

    Gurgaon, Haryana, India BaryTech Full time ₹ 15,00,000 - ₹ 25,00,000 per year

    Location: Gurgaon GG7, Noida Yamuna, Chennai-SiruseriExperience: 4+ YearsNo of Positions: 15Job Type: Full-timeStart Date: ASAPPosition OverviewWe are seeking highly skilled Senior Backend Developers with strong expertise in Python, Java, , and SQL to join our dynamic engineering team. As a backend developer, you will be responsible for designing and...

  • Senior Backend Developer

    3 weeks ago

    Gurgaon, Haryana, India Lepton Software Full time

    Role : Senior Backend DeveloperThe Role :We are seeking a highly skilled Senior Backend Developer to lead the design, development, and optimization of scalable backend systems. You will work closely with cross-functional teams to architect robust APIs, manage databases, and ensure performance, reliability, and security across applications. As a senior...

  • Senior Backend Developer

    10 hours ago

    Gurgaon, Haryana, India Gearobo Secure Infotech Private Limited Full time ₹ 1,57,440 - ₹ 6,00,000 per year

    Job Overview:We are seeking a highly skilled Senior Backend Developer to design, build, and maintain the server-side infrastructure powering our Android and iOS mobile applications. The ideal candidate will have strong expertise in backend technologies, API development, databases, and cloud services. You will collaborate closely with mobile app developers,...

  • Senior Backend Developer

    10 hours ago

    Gurgaon, Haryana, India Snapmint Payment Full time ₹ 15,00,000 - ₹ 25,00,000 per year

    The Snapmint team is looking for a Backend Developer SDE I/SDE II with a passion for working closely with product managers and other developers to implement innovative solutions to challenging web development problems. In this role, you will be responsible for supporting new and ongoing digital projects, including corporate and client microsites, and...

  • Senior Java Backend Developer

    6 days ago

    Gurgaon, Haryana, India Success Pact Consulting Pvt Ltd Full time ₹ 8,00,000 - ₹ 24,00,000 per year

    Position : Senior Java Backend Developer & Team LeadExperience : 7 YearsJob Type : Full-timeJob Summary : We are seeking an experienced Senior Java Backend Developer with 7 years of experience to take on a leadership role. The ideal candidate will possess deep expertise in Java and its ecosystem, with a proven track record of leading development teams....

  • Senior Backend Developer

    15 hours ago

    Gurgaon, Haryana, India Policybazaar Full time ₹ 20,00,000 - ₹ 25,00,000 per year

    We are seeking a talentedSenior Backend Developerfor PB Health, the innovative healthcare arm of Policybazaar to join us on our mission to revolutionize the patient healthcare journey through a cutting-edge digital hospital ecosystem.PB Health, a subsidiary of PB Fintech, which is creating an integrated healthcare platform to connect patients, healthcare...

  • Backend Developer

    1 week ago

    Gurgaon, Haryana, India Snapmint Full time ₹ 15,00,000 - ₹ 25,00,000 per year

    About The RoleSnapmint team is looking for a Backend Developer SDE II with a passion for working closely with product managers and other developers to implement innovative solutions to challenging web development problems.In this role, you will be responsible for supporting new and ongoing digital projects including corporate and client microsites, and...

  • Senior Backend Developer

    3 weeks ago

    Gurgaon, Haryana, India Talentsyker Full time

    Role : Backend EngineerLocation : Gurgaon (Work from Office)Experience : Minimum 2 yearsResponsibilities : - Design, develop, and maintain scalable backend services and APIs.- Build and optimize microservices architecture.- Integrate backend logic with databases and frontend systems.- Ensure security, authentication, and performance.- Collaborate with...

  • Senior Backend

    2 weeks ago

    Gurgaon, Haryana, India Collectcent Full time ₹ 20,00,000 - ₹ 25,00,000 per year

    We're looking for a senior engineer who can design and scale backend services and data/ML infrastructure for next-gen AI applications.What You'll Do:• Build and scale backend services & APIs.• Integrate 3rd-party APIs (auth, retries, scaling).• Manage data pipelines — batch and streaming.• Deploy services on cloud (AWS / GCP / Azure).•...

  • Senior Backend Developer

    6 days ago

    Gurgaon, Haryana, India Filo Full time ₹ 1,04,000 - ₹ 1,30,878 per year

    Job Summary:We are looking for a highly skilled Backend Developer with 3-5 years of experience to join our team, lead and own product development initiatives.In this role, you will be responsible for ensuring that our products meet the highest standards of quality and reliability while delivering exceptional user experiences. You will work on a variety of...