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Senior Software Engineer (SDE-III) – Full Stack

6 years

0 Lacs

guwahati assam india

Posted:2 days ago| Platform: Linkedin logo

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Skills Required

software stack saas architecture scalability mentoring coding leadership microservices drive design strategies database consistency figma planning code programming testing documentation refactoring monitoring logging debugging collaboration data security compliance processing redis websockets react.js api typescript css ui management rest integration jwt node.js express.js nest.js mongodb postgresql authentication filtering pagination kafka rabbitmq devops git github gitlab postman swagger openapi docker containerization deployment aws datadog next.js jest ai openai engineering scaling

Work Mode

On-site

Job Type

Full Time

Job Description

Experience:

Location:

Type:

Senior Full Stack Engineer (SDE-III)

hands-on coding expertise

Key Responsibilities

  • Architect & Design

  • Define and implement scalable, modular system architectures (microservices, APIs, and modular frontends).

  • Drive design decisions around

    system performance, caching strategies, database optimizations, and distributed workflows

    .
  • Establish coding standards, CI/CD practices, and ensure architectural consistency across teams.

  • End-to-End Ownership

  • Lead delivery from Figma designs → production deployment

    with accountability for timelines, quality, and scalability.
  • Translate business requirements into

    robust technical solutions

    , identifying risks early and planning mitigation strategies.

  • Technical Leadership

  • Mentor and guide SDE-I/II engineers through code reviews, pair programming, and architectural walkthroughs.

  • Champion

    clean code, testing, documentation, and refactoring efforts

    .
  • Introduce

    best practices in observability, monitoring, logging, and debugging in production environments

    .

  • Collaboration & Influence

  • Partner with product managers and designers on sprint planning, estimations, and roadmap alignment.

  • Influence technical direction by

    evaluating new frameworks, tools, and technologies

    to maintain a competitive edge.
  • Lead modernization of

    legacy modules

    into future-proof systems.

  • Scalability & Reliability

  • Design systems with horizontal scalability, fault tolerance, and data integrity

    in mind.
  • Implement

    RBAC, security best practices, and compliance-friendly designs (GDPR-ready, SOC2-prep if needed)

    .
  • Optimize backend services with

    async processing, caching (Redis), and real-time features (WebSockets/SignalR)

    .

Tech Stack You’ll Work On

Frontend:

  • React.js (Hooks, Context API, Redux/Zustand)
  • TypeScript (preferred)
  • Tailwind CSS / SCSS, with modern UI libraries (MUI, Ant Design, ShadCN)
  • Advanced state management & performance optimization
  • REST API integration, JWT-based auth flows

Backend:

  • Node.js + Express.js (Nest.js experience a plus)
  • MongoDB (Mongoose) and PostgreSQL (Prisma/Sequelize ORM)
  • Authentication: JWT, OAuth2, RBAC
  • File handling, search, filtering, pagination, modular controllers
  • Event-driven architectures (Kafka, RabbitMQ bonus)

DevOps & Tooling:

  • Git & GitHub/GitLab | Code review & branching strategies
  • Postman, Swagger/OpenAPI | API design & documentation
  • Docker (containerization, multi-env setup)
  • CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins)
  • Deployment: AWS / DigitalOcean / Render / Vercel
  • Monitoring: New Relic, Datadog, Prometheus/Grafana (bonus)

Bonus / Advanced Skills:

  • Next.js for SSR/SSG
  • Redis for caching and queueing
  • WebSockets / Socket.io for real-time updates
  • 3rd-party API integrations (Stripe, SendGrid, etc.)
  • Testing frameworks (Jest, Mocha, Supertest)
  • AI & LLM integration (OpenAI, LangChain, Pinecone, VectorDBs)

You’re a Great Fit If You…

  • Have

    led small engineering teams

    or driven delivery of mission-critical systems.
  • Have

    deep understanding of distributed systems, design patterns, and scaling SaaS platforms

    .
  • Can

    balance trade-offs

    between performance, cost, and maintainability.
  • Thrive in

    fast-paced, high-ownership environments

    where you influence product and tech direction.
  • Aspire to grow into a

    Tech Lead or Solution Architect

    role within 1–2 years.

Why Join Us

  • Build a

    high-impact SaaS platform

    from the ground up with modern stacks.
  • Work directly with founders and senior leadership on

    strategic product decisions

    .
  • Opportunity to

    lead, mentor, and shape engineering culture

    .
  • Clear growth path to

    Tech Lead / Principal Engineer / Architect

    .

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