Principal Engineer

Required Skills

• 12+ years of proven experience in designing large-scale enterprise systems and distributed

architectures.

• Strong expertise in Azure, AWS, Python, Docker, LangChain, Solution Architecture, C#, .Net

• Frontend technologies like React, Angular and, ASP.Net MVC

• Deep knowledge of architecture frameworks (TOGAF).

• Understanding of security principles, identity management, and data protection.

• Experience with solution architecture methodologies and documentation standards

• Deep understanding of databases (SQL and NoSQL), RESTful APIs, and message brokers.

• Excellent communication, leadership, and stakeholder management skills.

About the Role:

We are looking for an experienced Senior MERN Stack Developer to join our growing engineering team. You will be responsible for designing, developing, and maintaining high-performance web applications using the MongoDB, Express.js, React.js, and Node.js technology stack. You should be passionate about writing clean, scalable code and mentoring junior developers.

Key Responsibilities:

• Design and implement scalable, secure, and maintainable full-stack web applications using the MERN stack.
• Develop RESTful APIs and integrate third-party services and databases.
• Write reusable, testable, and efficient code.
• Optimize applications for maximum speed and scalability.
• Lead code reviews and enforce best practices in design and development.
• Collaborate with UI/UX designers, product managers, and other stakeholders to understand business requirements.
• Ensure cross-platform optimization and responsiveness of applications.
• Mentor and guide junior developers, fostering a culture of continuous learning.
• Troubleshoot and debug production issues.
• Maintain documentation of software functionality and technical decisions.

Required Skills:

• Strong proficiency in JavaScript (ES6+), HTML5, CSS3.
• Deep understanding of React.js and state management libraries like Redux or Context API.
• Hands-on experience with Node.js and Express.js.
• Strong knowledge of MongoDB and Mongoose ORM.
• Experience in building and consuming RESTful APIs.
• Familiarity with Git, CI/CD pipelines, Docker, and Cloud Platforms (AWS/GCP/Azure).
• Good understanding of microservices, authentication mechanisms (OAuth, JWT), and role-based access control.
• Experience with unit testing and testing frameworks like Jest, Mocha, or Cypress.
• Strong problem-solving and analytical skills.
• Excellent communication and collaboration abilities.

Preferred Qualifications:

• Bachelor’s/Master’s degree in Computer Science or related field.
• Experience with GraphQL or WebSockets.
• Exposure to DevOps practices and tools (e.g., Jenkins, Kubernetes).
• Previous experience in Agile/Scrum environments.

What We Offer:

• Competitive salary and performance-based bonuses
• Flexible working hours and remote work options
• Opportunities for upskilling and certifications
• Collaborative and inclusive team culture
• Health insurance and wellness benefits

We are seeking a highly skilled Team Lead – MERN Stack Developer to lead the development and delivery of scalable, maintainable, and high-performance applications using MongoDB, Express.js, React.js, and Node.js. The ideal candidate will have strong technical expertise, leadership skills, and a passion for building innovative solutions. If you have experience in microservices, micro-frontends, message queues, Redis, CI/CD, and best practices for large-scale applications, we’d love to have you on our team.

Key Responsibilities

Technical Leadership & Team Management

• Lead and mentor a team of developers, ensuring smooth collaboration, technical growth, and high-quality deliverables.
• Assign tasks, set priorities, track progress, and ensure project deadlines are met.
• Conduct code reviews to maintain coding standards, ensure maintainability, and improve code quality.
• Promote a culture of innovation, continuous learning, and problem-solving.
• Architect and implement microservices, micro-frontends, and modular micro-apps for scalable and maintainable solutions.
• Collaborate with stakeholders to translate business requirements into technical designs and implementation plans.
• Optimize performance and scalability for large-scale applications with dynamic data flows.

Backend Development (Node.js & Express.js)

• Design and implement secure, scalable backend structures and APIs.
• Develop reusable tools and libraries to support a microservices architecture.
• Handle error management and debugging for seamless application functionality.
• Work with message queues like RabbitMQ, Kafka, or Redis for event-driven communication.
• Use tools like New Relic or Prometheus to monitor and debug production systems.
• Solve challenging technical problems with smart, scalable solutions.

Database Management (MongoDB)

• Design efficient and scalable database schemas for large-scale projects.
• Optimize database performance using indexing, aggregation, and advanced querying techniques.
• Leverage MongoDB features like sharding and replication to handle large datasets efficiently.

Frontend Development (React.js & JavaScript)

• Build and optimize reusable, high-performance React.js components and dynamic user interfaces.
• Develop robust solutions for complex UI interactions, including drag-and-drop functionality.
• Implement efficient state management using Redux, Context API, or React Query.
• Optimize web performance, including DOM manipulation, memory management, and responsiveness.
• Ensure applications adhere to WCAG accessibility standards and provide excellent user experiences.

Best Practices & Continuous Improvement

• Define and enforce coding standards, workflows, and best practices for high-quality development.
• Develop and maintain CI/CD pipelines for automated testing and deployment.
• Write secure and robust code to protect against vulnerabilities like XSS and CSRF.
• Regularly monitor and optimize application performance, security, and scalability.
• Stay updated on the latest trends in MERN stack technologies and software development practices.
• Collaborate with DevOps teams for containerized deployments using Docker and Kubernetes.

Why NxtWave

As a Fullstack SDE1 at NxtWave, you

• Get first hand experience of building applications 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

• Design, implement, and ship user-centric features spanning frontend, backend, and database systems under guidance.
• Define and implement RESTful/GraphQL APIs and efficient, scalable database schemas.
• Build reusable, maintainable frontend components using modern state management practices.
• Develop backend services in Node.js or Python, adhering to clean-architecture principles.
• Write and maintain unit, integration, and end-to-end tests to ensure code quality and reliability.
• Containerize applications and configure CI/CD pipelines for automated builds and deployments.
• Enforce secure coding practices, accessibility standards (WCAG), and SEO fundamentals.
• Collaborate effectively with Product, Design, and engineering teams to understand and implement feature requirements..
• Own feature delivery from planning through production, and mentor interns or junior developers.
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Qualifications & Skills

• 1+ years of experience building full-stack web applications.
• Proficiency in JavaScript (ES6+), TypeScript, HTML5, and CSS3 (Flexbox/Grid).
• Advanced experience with React (Hooks, Context, Router) or equivalent modern UI framework.
• Hands-on with state management patterns (Redux, MobX, or custom solutions).
• Strong backend skills in Node.js (Express/Fastify) or Python (Django/Flask/FastAPI).
• Expertise in designing REST and/or GraphQL APIs and integrating with backend services.
• Solid knowledge of MySQL/PostgreSQL and familiarity with NoSQL stores (Elasticsearch, Redis).
• Experience using build tools (Webpack, Vite), package managers (npm/Yarn), and Git workflows.
• Skilled in writing and maintaining tests with Jest, React Testing Library, Pytest, and Cypress.
• Familiar with Docker, CI / CD tools (GitHub Actions, Jenkins), and basic cloud deployments.
• Product-first thinker with strong problem-solving, debugging, and communication skills.
• 
  

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

Python Engineer

Job Description:

• Design, develop, and maintain scalable and efficient micro-services using

Python and related frameworks (e.g., Flask, FastAPI,pytest).

• Develop Python scripts and tools to automate deployment, configuration

management, monitoring, and maintenance of our systems.

• Design and implement API automation tests to ensure the reliability and

performance of our software products.

• Troubleshoot and resolve issues related to automation processes,

performance bottlenecks, and system failures.

• Integrate backend automation processes with CI/CD pipelines for seamless

deployment and continuous improvement.

• Optimize and refactor code to improve the scalability and maintainability of

frameworks/services.

• Collaborate with cross-functional teams to understand automation

requirements and design scalable, efficient backend automation solutions.

• Stay up-to-date with the latest industry trends, tools, and technologies

related to python backend frameworks.

Job Requirements:

• Bachelor's degree in Computer Science, Engineering, or related field (or

equivalent experience).

• 3+ Years of experience as a Python Developer with a strong focus on

automation.

• Proficiency in Python programming, including experience with libraries such

as Flask, Django, or FastAPI.

• Understanding of software design principles, data structures, and algorithms.

• Experience with database systems, including SQL and NoSQL databases.

• Familiarity with version control systems, preferably Git.

• Knowledge of containerisation technologies such as Docker.

• Experience with cloud platforms (e.g., AWS, Azure, Google Cloud) and

infrastructure as code (IaC) tools.

• problem-solving skills and the ability to debug complex automation issues.

• Excellent teamwork and communication skills.

• Ability to work in an agile development environment and adapt to changing

requirements.

Responsibilities

• Work with stakeholders and fellow developers.
• Design and implement Python code using the Django framework.
• Identify and fix bottlenecks that may arise from inefficient code.
• Identify and fix software bugs.
• Create a wide variety of unit tests to verify the functionality of the software.
• Manage the security of the platform.
• Write detailed documentation around the code.
• Knowledge of front end languages.
• Create and maintain the application's architecture
• Write code that is reusable, testable, and efficient
• Create and implement applications that are low-latency, high-availability, and performant
• Integration of front-end developer-created user-facing components with server-side logic
• Security and data protection implementation
• Data storage solution integration

Skills

• Able to use Postman, JIRA or similar tools
• Python expert with an understanding of at least one Python web framework, such as Django, Flask, or others
• Working knowledge of several ORM (Object Relational Mapper) libraries
• Capable of combining many data sources and databases into a single system
• Knowledge of Python's threading constraints and multi-process architecture
• Solid knowledge of server-side templating languages such as Jinja 2, Mako, etc.
• Fundamental knowledge of front-end technologies such as JavaScript, HTML5, and CSS3
• Knowledge of accessibility and security regulations
• Managing and maintaining AWS
• Able to create RESTful APIs
• Able to integrate third-party APIs
• Familiarity with user authentication
• Authorisation across numerous systems, servers, and settings
• Knowledge of the core design ideas underlying a scalable application
• Experience with Python event-driven programming
• Understanding the distinctions between various delivery platforms, such as mobile vs desktop, and optimising output to meet the individual platform
• Capable of developing database schemas to represent and support business operations
• Excellent unit testing and debugging abilities
• Thorough knowledge of code versioning systems such as Git, Mercurial, or SVN
• Able to deploy the app on client cloud as well.

Requirements:

• Bachelor’s/Master in computer science
• 3-5 years of work experience
• Excellent problem-solving skills
• Able to work in a fast, unstructured environment
• Excellent communication and collaboration skills
• Must have access to FTTH internet connection

• Experience range – 8 to 12 years

• Good understanding of software engineering practices, SDLC.

• Ability to provide elegant and efficient design solutions
• Strong knowledge on design patterns
• Effective interpersonal skills and collaborative management style to include teamwork and team building ability
• Should have knowledge on API integration mulesoft, Apache Camel tools
• Strong knowledge on providing microservices architecture

ROLES & RESPONSIBILITIES:

• Research, programs, plans, designs, and administers building projects for clients by applying knowledge of architectural design and building materials.
• Produces conceptual plans, renderings, and documents.
• Assists in research and coordination of materials and products for project specifications

Skills Required:

Primary Skills:

• Java, Spring Boot/ Node.js- Backend
• HTML, CSS, JS, React/ Angular- Frontend
• SQL
• Mobile Application Development

Secondary Skills:

• Microservices, Design Patterns
• Cloud- AWS, Azure, GCP
• DevOps tools- Jenkins, GIT Pipeline, etc.- Anyone should be fine
• Maven

Mandatory Skill set:

• Multiple solution stack development experience along with MEAN(Mongo, Express, Angular and Node)

• Python with any web framework

• Micro Services, Performance Engineering, Docker, Kubernetes, AZURE, CI/CD pipeline, , MySQL and Database design

Job Role:

• Responsible for component selection, design standardization, common library building.

• Build services and templates based on published standard (RFC type)Build coding templates and architypes adhering to design standard.

• Understand NFR and define architecture, design and validation for each NFR element.

• Design data model, service contract and document framework.Define and ensure coding standards

• Define and ensure UI standards are followed. Design micro services, security, deployment Well-versed in module level effort estimationWell-versed in application integration patterns Exposure to bug fixing, maintenance, continuous integration releases.

• Exposure to building architectural view like logical, physical and deployment.Exposure to performance bottleneck, RCA and remediation.Exposure to security issues, RCA and remediation.

Process Exposure:

• Able to interact with team, stakeholders and architects. Understand functional requirements and create design documents for features.

• Participate in sprint planning and story elaboration sessions.

• Candidate should be able to work independently in an Agile project.

• Experience with Test-Driven Development, Integration testing and Agile processes.Code review from a standard and design adherence perspective.