Senior Software Engineer

Job Description

Why NxtWave As a Fullstack SDE - II at NxtWave, you Build applications at a scale and see them released quickly to the NxtWave learners (within weeks) Get to take ownership of the features you build and work closely with the product team Work in a great culture that continuously empowers you to grow in your career Enjoy freedom to experiment & learn from mistakes (Fail Fast, Learn Faster) NxtWave is one of the fastest growing edtech startups. Get first-hand experience in scaling the features you build as the company grows rapidly Build in a world-class developer environment by applying clean coding principles, code architecture, etc. Responsibilities Lead design and delivery of complex end-to-end features across frontend, backend, and data layers. Make strategic architectural decisions on frameworks, datastores, and performance patterns. Review and approve pull requests, enforcing clean-code guidelines, SOLID principles, and design patterns. Build and maintain shared UI component libraries and backend service frameworks for team reuse. Identify and eliminate performance bottlenecks in both browser rendering and server throughput. Instrument services with metrics and logging, driving SLIs, SLAs, and observability. Define and enforce comprehensive testing strategies: unit, integration, and end-to-end. Own CI/CD pipelines, automating builds, deployments, and rollback procedures. Ensure OWASP Top-10 mitigations, WCAG accessibility, and SEO best practices. Partner with Product, UX, and Ops to translate business objectives into technical roadmaps. Facilitate sprint planning, estimation, and retrospectives for predictable deliveries. Mentor and guide SDE-1s and interns; participate in hiring. Qualifications & Skills 3?5 years building production Full stack applications end-to-end with measurable impact. Proven leadership in Agile/Scrum environments with a passion for continuous learning. Deep expertise in React (or Angular/Vue) with TypeScript and modern CSS methodologies. Proficient in Node.js (Express/NestJS) or Python (Django/Flask/FastAPI) or Java (Spring Boot). Expert in designing RESTful and GraphQL APIs and scalable database schemas. Knowledge of MySQL/PostgreSQL indexing, NoSQL (ElasticSearch/DynamoDB), and caching (Redis). Knowledge of Containerization (Docker) and commonly used AWS services such as lambda, ec2, s3, apigateway etc. Skilled in unit/integration (Jest, pytest) and E2E testing (Cypress, Playwright). Frontend profiling (Lighthouse) and backend tracing for performance tuning. Secure coding: OAuth2/JWT, XSS/CSRF protection, and familiarity with compliance regimes. Strong communicator able to convey technical trade-offs to non-technical stakeholders. Experience in reviewing pull requests and providing constructive feedback to the team. Qualities we'd love to find in you: The attitude to always strive for the best outcomes and an enthusiasm to deliver high quality software Strong collaboration abilities and a flexible & friendly approach to working with teams Strong determination with a constant eye on solutions Creative ideas with problem solving mind-set Be open to receiving objective criticism and improving upon it Eagerness to learn and zeal to grow Strong communication skills is a huge plus Work Location: Hyderabad