Senior Consultant - Fullstack

A full stack developer job description for MERN stack developers centers on designing, developing, and maintaining robust web applications using MongoDB, Express.js, React, and Node.js as core technologies.

Responsibilities

• Develop and maintain scalable web applications using the MERN stack.
• Build interactive and responsive user interfaces with React.
• Implement server-side APIs and business logic using Node.js and Express.js.
• Design, model, and manage databases with MongoDB to ensure efficient data storage and retrieval.
• Integrate front-end with back-end systems and third-party services.
• Optimize applications for speed and scalability, troubleshoot and debug code, and ensure reliability.
• Collaborate with other developers, designers, and stakeholders in an agile environment to clarify requirements and deliver solutions.
• Implement security best practices and protect sensitive data.
• Participate in code reviews and mentor junior developers.

Requirements

• Proven experience with the MERN stack (MongoDB, Express.js, React, Node.js).
• Strong skills in JavaScript, HTML5, and CSS3.
• Familiarity with RESTful API design, version control systems (Git), and front-end frameworks like Bootstrap or Material-UI.
• Understanding of database design, schema management, and NoSQL principles.
• Problem-solving ability and communication skills.
• Bachelor's degree in computer science or related field (preferred).
• Experience working collaboratively in a team-oriented environment.

Key Skills

• JavaScript, React.js, Node.js, Express.js, MongoDB.
• HTML/CSS, RESTful APIs, Git.
• Familiarity with agile methodologies and UI/UX best practices.
• Testing, debugging, code optimization, and deployment.

Role Summary

We are seeking a Full-Stack Developer to build and secure features for our Therapy Planning Software (TPS), which integrates with RMS/RIS, EMR systems, devices (DICOM, Bluetooth, VR, robotics, FES), and supports ICD–ICF–ICHI coding. The role involves ~40% frontend and 60% backend development, with end-to-end responsibility for security across application layers.

Responsibilities

Frontend (40%)

1. Build responsive, accessible UI in React + TypeScript (or Angular/Vue).
2. Implement multilingual (i18n/l10n) and WCAG 2.1 accessibility standards.
3. Develop offline-capable PWAs for home programs.
4. Integrate REST/FHIR APIs for patient workflows, scheduling, and reporting.
5. Support features like voice-to-text, video capture, and compression.

Backend (60%)

1. Design and scale REST APIs using Python (FastAPI/Django).
2. Build modules for EMR storage, assessments, therapy plans, and data logging.
3. Implement HL7/FHIR endpoints and secure integrations with external EMRs.
4. Handle file uploads (virus scanning, HD video compression, secure storage).
5. Optimize PostgreSQL schemas and queries for performance.
6. Implement RBAC, MFA, PDPA compliance, edit locks, and audit trails.

Security Layer (Ownership)

1. Identity & Access: OAuth2/OIDC, JWT, MFA, SSO.
2. Data Protection: TLS, AES-256 at rest, field-level encryption, immutable audit logs.
3. Compliance: PDPA, HIPAA principles, MDA requirements.
4. DevSecOps: Secure coding (OWASP ASVS), dependency scanning, secrets management.
5. Monitoring: Logging/metrics (ELK/Prometheus), anomaly detection, DR/BCP preparedness.

Requirements

• Strong skills in Python (FastAPI/Django) and React + TypeScript.
• Experience with HL7/FHIR, EMR data, and REST APIs.
• Knowledge of OAuth2/JWT authentication, RBAC, audit logging.
• Proficiency with PostgreSQL and database optimization.
• Cloud deployment (AWS/Azure) and containerization (Docker/K8s) a plus.

Added Advantage

• Familiarity with ICD, ICF, ICHI coding systems or medical diagnosis workflows.

Success Metrics

• Deliver secure end-to-end features with clinical workflow integration.
• Pass OWASP/ASVS L2 security baseline.
• Establish full audit trail and role-based access across at least one clinical workflow.

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.
• 
  

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

Location: Mumbai (On-site)

Experience: 2+ Years

Joining: Immediate Joiner Preferred

Employment Type: Full-time

🔍 Key Responsibilities:

• Develop and maintain web applications using PHP and CodeIgniter framework.
• Build and manage dynamic frontends using Angular.
• Integrate RESTful APIs and ensure seamless communication between backend and frontend.
• Optimize application for maximum speed, performance, and scalability.
• Collaborate with cross-functional teams for end-to-end product development.
• Debug and resolve application issues and bugs.

✅ Must-Have Skills:

• Strong experience with PHP and CodeIgniter.
• Proficient in Angular (any version).
• Solid understanding of HTML5, CSS3, JavaScript, and TypeScript.
• Knowledge of MySQL or other relational databases.
• Familiar with Git version control and RESTful API integration.

• 2 - 6 years of software development experience in a professional environment
• 2.5 - 3 years of relevant experience in Node.js
• Experience in Android applications, directives, services etc.,
• Experience with Bootstrap 4.x+ (or internal framework)
• Experience in CSS3, HTML5, JavaScript, Typescript
• Able to integrate and use external (open source) libraries
• Develop high-performance and scalable APIs to serve clients.
• Experience in the creation of scalable RESTful APIs
• Experience in writing reusable, testable and efficient code.
• Collaborate with front-end developers on the integration of well-written APIs.
• Excellent verbal and written communications, ability to learn quickly and a willingness to work and add value to the team
• Experience with backend languages (e.g., Java) and JavaScript frameworks (e.g., Android, Node.js)
• Familiarity with databases (e.g., MySQL, MongoDB), web servers (e.g. Apache) and UIUX design
• Experience in the creation of scalable RESTful APIs
• Writing reusable, testable, and efficient code
• Knowledge of containers and Kubernetes
• Good to know cloud technologies like AWS Google Cloud Azure, etc

Full Stack Developer (Dotnet & Angular)

• Develop web applications in C#, ASP.NET Core, ASP.NET MVC/WebAPI
• Design and develop backend APIs for complex custom business applications as per requirement
• Design and develop database schema, queries, stored procedures
• Develop frontend SPA using AngularJS/Angular 2+, API integration, Data binding
• Collaboration with developer team, Project managers to ideate software solutions
• Essential communication skills for customer conference calls and meetings
• Interact with clients and other stakeholders to understand their requirements/problems, provide daily updates, plan and module delivery
• Test software to ensure quality and efficiency
• Responsible to troubleshoot bugs and fix them as well as maintain/enhance existing projects
• Write technical documentation
• Working with Agile and Scrum methodologies
• Extensive knowledge of database performance optimization strategies, indexing, sharding
• Develop applications using TDD (Test Driven Development), Unit testing, Integration testing, NUnit/XUnit framework
• Design HLD/LLD architecture diagrams, Infrastructure diagrams, ER Diagrams

• C#
• NET/ASP.NET Core
• Entity Framework
• Javascript
• Typescript
• Angular
• Relational Databases (Postgresql etc.)
• NoSQL (MongoDB, DynamoDB etc.)
• NUnit/XUnit

• AWS/Azure/GCP
• Docker
• Kubernetes
• Microservices

passion for building and delivering great software with a strong sense of ownership.

• 4+ years of experience in building web applications using React, Node.js, GraphQL integrations with NoSQL or relational database systems.
• Working experience in building and deployment applications on AWS platform a plus.
• Working experience on docker and microservice a plus.
• Strong experience with Build and Release, Agile processes and Estimation/Planning
• Must have strong debugging and troubleshooting skills, with solid understanding of logging and exception handling. 

Ideal Candidate Profile (Essential Attributes)

• Expertise and Prior experience in JavaScript environment [Node JS/ PHP/ React JS/ React Native]
• Prior work experience in B2C start-ups (unicorn scale)
• Excellent coding skills with experience in building system architecture, databases
• Exposure to version control, documentation tools, progress management tools
• Must have built application from scratch and scaled to a sizable user base.

Desirable Attributes

• Experienced to work in agile environment
• Prior experience to host applications on cloud
• Able to work in fast paced evolving environment
• Ability to learn and adopt new tools/ technology

Target Industry/Sector

• Consumer Internet Companies – B2C

Key Responsibility Areas:

This will include but not limited to

• Development and building of large-scale applications which is scalable, high performing and resilient
• Understand product requirement and develop/deploy end-to-end scalable technology systems for our ed-tech business
• Setting up the technology infrastructure to host website and apps for our customers
• Integrate third party tools as per the product requirements
• Own the development and operations of our website, apps and database
• Regularly manage, test and fix issues related to security and performance
• Continuously strive to meet the development timelines with minimum bugs
• Maintain good coding practices to ensure quality, documentation, low maintenance
• Work closely with product owner, business owner and testing team to ensure timely and satisfactory product release
• Regularly stay in touch with technological changes in the industry and implement necessary changes to keep our technology ecosystem updated
• Any other items as deemed necessary for effective functioning and growth of the function

To know more about Centum Learning Ltd. please use the below links.

Brochure: http://centumlearning.com/documents/Centum_Brochure.pdf">http://centumlearning.com/documents/Centum_Brochure.pdf              

Website: http://www.centumlearning.com/">http://www.centumlearning.com/