Senior Node.js Engineer

Location : Bengaluru, India

Type : Full-time

Experience :4-7 Years

Mode :Hybrid

The Role

We're looking for a Full Stack Engineer who thrives on building high-performance applications at scale. You'll work across our entire stack—from optimizing PostgreSQL queries on 140M+ records to crafting intuitive React interfaces. This is a high-impact role where your code directly influences how sales teams discover and engage with prospects worldwide.

What You'll Do

• Build and optimize REST APIs using Django REST Framework handling millions of records
• Design and implement complex database queries, indexes, and caching strategies for PostgreSQL
• Develop responsive, high-performance front-end interfaces with Next.js and React
• Implement Redis caching layers and optimize query performance for sub-second response times
• Design and implement smart search/filter systems with complex logic
• Collaborate on data pipeline architecture for processing large datasets
• Write clean, testable code with comprehensive unit and integration tests
• Participate in code reviews, architecture discussions, and technical planning

Required Skills

• 4-7 years of professional experience in full stack development
• Strong proficiency in Python and Django/Django REST Framework
• Expert-level PostgreSQL knowledge: query optimization, indexing, EXPLAIN ANALYZE, partitioning
• Solid experience with Next.js, React, and modern JavaScript/TypeScript
• Experience with state management (Zustand, Redux, or similar)
• Working knowledge of Redis for caching and session management
• Familiarity with AWS services (RDS, EC2, S3, CloudFront)
• Understanding of RESTful API design principles and best practices
• Experience with Git, CI/CD pipelines, and agile development workflows

Nice to Have

• Experience with Elasticsearch for full-text search at scale
• Knowledge of data scraping, ETL pipelines, or data enrichment
• Experience with Celery for async task processing
• Familiarity with Tailwind CSS and modern UI/UX practices
• Previous work on B2B SaaS or data-intensive applications
• Understanding of security best practices and anti-scraping measures

Our Tech Stack

Backend

Python, Django REST Framework

Frontend

Next.js, React, Zustand, Tailwind CSS

Database

PostgreSQL 17, Redis

Infrastructure

AWS (RDS, EC2, S3, CloudFront), Docker

Tools

GitHub, pgBouncer

Why Join Us

• Work on a product processing 140M+ records—real scale, real challenges
• Direct impact on product direction and technical decisions
• Modern tech stack with room to experiment and innovate
• Collaborative team environment with a focus on growth
• Competitive compensation and flexible hybrid work model

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.

Essential Responsibilities:

• Demonstrate an understanding of the Agile software development life cycle and distinguish the core inputs and outputs in each cycle.
• Work closely with your peers and keep engaging in a fast pace technical design and development team
• Execute in a fast pace delivery mode and focus on delivering tasks to meet monthly and quarterly digital product release goals
• Lead impact assessment and decisions related to technology choices, design / architectural considerations and implementation strategy
• Maintain code quality through best practices, unit testing and code quality automation
• Demonstrate the ability to make informed technology choices after due diligence and impact assessment
• Help in designing interfaces and information exchange between modules
• Articulate the need for scalability and understand the importance of improving quality through testing.
• Be an expert in writing code that meets standards and delivers the desired functionality using the technology selected for the project
• Drive design reviews, define interfaces between code modules, and apply existing technology to designs
• Be an expert in assessing application performance and optimizing/improving it through design and best coding practices

Qualifications/Requirements:

• Minimum Bachelor's Degree in Computer Science, Computer Engineering or in "STEM" Majors (Science, Technology, Engineering, and Math)
• 6+ years of experience in Full Stack Software Development within the enterprise or software services domain

Desired Skills:

• Expertise in full stack software development and awareness of 12 Factor software patterns
• Experience and knowledge of patterns and anti-patterns of microservices-based architecture design
• Experience developing and deploying applications on cloud (Azure, AWS, or GCP), on-premise, and hybrid-based architectures
• Mid-Level to Expert within one or more of the following UI development JavaScript: Client-Side HTML5 jQuery, jQuery UI, Knockout.js,
• Polymer, AngularJS, ReactJS, Bootstrap
• Mid-Level to Expert within one or more of the back-end development languages: .NET, Java, Python, or Scala
• Very solid API skills (e.g. Express.js/Node.js, GraphQL/Relay, Flask, Jersey, Java Spring REST or WebApi2)
• Skilled in use of Java, Kafka, and Spark streaming technologies
• Experience with containerization technologies such as Rancher, Kubernetes, Docker and Helm
• Hands-on experience in data storage environments of many types (RDMS, NoSQL, HDFS, etc.)
• Knowledge of GitLab, Jenkins and Artifactory
• Solid foundation in data structures, algorithms, and OO Design with rock-solid programming skills
• Security: Identity Management and Access, application security and static code analysis
• Proven success working in and promoting a rapidly changing, collaborative, and iterative product development environment
• Strong interpersonal skills, analytical skills, combined with intellectual curiosity, and a desire and ability to "get things done" are essential
• Agile Scrum development experience
• Added advantage to those having experience in multi-tenant SaaS Platform and Developers' Portal development

Skillset: Aem+node

Experience: 3 to 9 Years 

Location: Bangalore , Hyderabad , Pune , Chennai

Notice Period: Immediate to 15 Days

Job Description:

(Kindly mention Mandatory skills in your project)

If you're interested above requirement,

Please share the below-mentioned details :

Current CTC:

Expected CTC:

Current Company:

Notice Period:

If serving NP LWD:

Current Location:

Preferred Location:

Total-experience:

Relevant experience:

Highest qualification with location and passing year:

DOJ(If Offer in Hand from Other company):

Offer in hand with Amount:

Also, send your updated resume( CV) ASAP in word format.

Position Name: Full Stack Developer

Department: Engineering

Industry: Digital Marketing

Location: Hyderabad

Employment Type: Full-time

Reporting Manager: Staff Software Engineer

TapClicks is looking for a Full Stack Developer to strengthen our team as well as build an industry-leading product suite and great culture. The ideal candidate is highly motivated and goal-driven with excellent problem-solving skills.

In this position, you will have the opportunity to fill a crucial role in our talented engineering organization: architecting, implementing, and maintaining vital parts of our products. Strong communication skills are key, as you will regularly collaborate cross-functionally with other engineers as well as the Product, Design, and QA teams to spec, build, test, and deploy features.

If you have a passion for building great products for customers, working in a fast-paced environment, and challenging yourself to become better at your craft, there’s a place for you here at TapClicks.

• Write clean, high-quality, high-performance, maintainable code
• Take ownership for significant functionality within our products, from implementation to iteration based on feedback and beyond
• Comfortably switch between frontend and backend development as needed
• Work with enormous amounts of data
• Participate in code reviews
• Effectively communicate and collaborate with cross-functional teams

Technical Competencies

• Effective use of debugging, unit testing, and integration testing tools
• Strong frontend development experience with a JavaScript framework
• Must have working experience with RESTful  API
• Willing to work with MongoDB, PHP 7, MySQL, Node, Typescript / Javascript
• Good to have knowledge on Vue JS
• Strong understanding of OOPS concepts
• Experience with agile software development practices

Non-Technical Competencies

• Strong communication skills, both verbal and written
• Self-motivated, with a passion for learning and continuous self-improvement

Minimum Qualifications:

• Bachelor's Degree in Engineering or similar degree
• 2-4 years of professional experience as a software developer

Preferred Qualifications

• Backend development experience 
• Experience with JavaScript unit testing frameworks, e.g.  Mocha
• Experience with Restful API 
• Experience with building responsive web applications

Benefits of Working For TapClicks

• The opportunity to work in an entrepreneurial, fast-growing, and successful business environment
• Health Insurance coverage
• Competitive employee benefits
• Paid Time Off (Earned leaves, Public Holidays and others)

TapClicks understands that Diversity and Inclusion is a powerful enabler for business performance. We are an equal-opportunity employer, and we value diversity at our company. We do not discriminate based on race, religion, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, or any other characteristic protected by federal, state, or local law. 

Our MEAN stack team is passionate about technology, and we love building scalable web solutions keeping performance in mind.We're looking for a full stack developer that has experience developing a variety of Web Apps using the MEAN stack. You should be able to comfortably move between the client and server-side code written with JavaScript/TypeScript.

Role + Responsibilities:   

• Work with the team to design, develop and support scalable applications         
• Implementing elegant, intuitive user experience using the latest front-end technologies.         
• Developing API's and designing the data architecture using web frameworks like Express.         
• Write, test, and release production-ready code.         
• Work with our DevOps team to ensure continuous deployments of our applications

Person Specification and Qualifications:

• Experience developing highly scalable services and APIs         
• Knowledge of data modelling and database performance using NoSQL/SQL         
• Strong experience with JS frameworks like Express(any other backend framework), Angular.         
• Familiarity developing SaaS applications in AWS/Azure         
• In-depth knowledge of designing and developing software in distributed architectures for multi-tier applications

Plus points if you're familiar with the following:

• Experience with deployment and CI/CD is a plus!       
• TypeScript implementation with Frontend or Backend applications         
• Knowledge of GraphQL and it's libraries like Apollo, Prisma         
• Have worked with Jest, Enzyme like testing libraries         
• Knowledge of document, key/value or other non-relational database systems such as Elastic Search, Redis, HBase,