MERN Stack Engineer

Position : Full Stack Developer (Node.js + React.js)

Experience : 5+ Years

Location : Gurgaon (Work From Office - 5 Days)

Notice Period : Immediate or within 7 days

Job Description :

We are looking for a highly skilled and passionate Full Stack Developer with strong experience in Node.js and React.js, and a solid understanding of Microservices Architecture.

This is a full-time, on-site opportunity based in Gurgaon, ideal for someone who thrives in a fast-paced development environment.

Mandatory Skills :

Node.js, React.js, JavaScript (ES6+), RESTful APIs, Microservices Architecture, MongoDB/PostgreSQL, Git, HTML5, CSS3, JWT

Key Responsibilities :

• Design, develop, test, and maintain scalable web applications using Node.js (backend) and React.js (frontend).
• Build and integrate RESTful APIs and Microservices in a production-grade environment.
• Participate in code reviews, architecture discussions, and performance optimizations.
• Collaborate with cross-functional teams including UI/UX designers, QA, DevOps, and product managers.
• Write clean, maintainable, and reusable code adhering to best practices.
• Ensure system reliability, security, scalability, and performance.
• Debug and resolve production issues efficiently.

Must-Have Skills :

• 5+ Years of full-stack development experience with Node.js and React.js.
• Strong expertise in JavaScript, ES6+, HTML5, CSS3, and responsive design.
• Solid hands-on experience in Microservices Architecture and containerized services (Docker, Kubernetes is a plus).
• Proficiency in RESTful API development and integration.
• Experience with databases such as MongoDB, PostgreSQL, or MySQL.
• Familiarity with version control tools like Git and CI/CD pipelines.
• Understanding of Agile/Scrum methodologies.

Good to Have :

• Knowledge of authentication/authorization mechanisms (OAuth, JWT).
• Exposure to cloud platforms like AWS, Azure, or GCP.
• Familiarity with testing frameworks such as Jest, Mocha, or Cypress.

Job Description – Software Engineer (Java Spring Boot + Angular)

Location: Whitefield, Bangalore (Work from Client Office)

Experience: 4–8 years

Role Overview

We are hiring Software Engineers with strong experience in Java Spring Boot and Angular to work on enterprise-level applications at the client office in Whitefield, Bangalore.

Key Responsibilities

• Develop and maintain backend services using Java, Spring Boot, REST APIs.
• Build interactive front-end modules using Angular.
• Collaborate with the lead, QA, and product team for high-quality delivery.
• Understand requirements, participate in design discussions, and contribute to technical solutions.
• Write clean, maintainable, and scalable code.
• Perform unit testing and integration testing.
• Fix bugs, optimize code, and improve application performance.

Technical Skills Required

• Strong coding skills in Java 8+, Spring Boot, RESTful API development.
• Experience working with Angular.
• Good understanding of Microservices concepts.
• Strong knowledge of SQL/NoSQL databases.
• Experience with version control (Git), CI/CD pipelines, and build tools.
• Familiarity with cloud services is a plus.

Soft Skills

• Good communication and teamwork skills.
• Ability to work independently and handle tasks with minimal supervision.
• Strong debugging and problem-solving skills.

Note: One technical round is mandatory to be taken F2F from office.

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.

Roles and Responsibilities 

1) Understand client requirements and functionalities. 

2) Write well-designed, testable, efficient code. 

3) Responsible for solving complex technical issues. 

4) Ensure quality projects are delivered within defined timelines. 

5) Active involvement in client communication to understand functional requirements. 

6) Maintain high standards of quality for code, documentation and other deliverables. 

Required Skills 

1) Good experience in React

2) Hand on Node.JS./Express JS 

3) Database : MYSQL/MongoDB 

4) Experience in Java Script, Typescript. 

5)Good experience in HTML5, CSS3, JavaScript, Jquery 

6) Experience working in an Agile environment. 

7) Good communication skills.

The Role

This role is anything but conventional- It is an opportunity to define and execute our plans and make an impact on the development of millions of children.

As our tech lead, you will work closely with the founders to crystallize and own the product roadmap and then, to bring the product vision to life through simple, elegant design & code that delights users.

You will be the key architect of the product and will help the engineering team build and maintain the product across mobile and web. 

You will own development and delivery of the code- including analysis, optimization and debugging.

Key Skills

3-6 years of experience with backend and frontend web-based application development

2+ years of experience with React / Redux + HTML/CSS

2+ years of experience with Python

Have some experience with databases (SQL, MongoDB)

Have created meaningful APIs and models that are flexible and scalable

About You

You will thrive in this role at KinderPass if you:

• Have a passion for our mission to re-imagine child health and development
• Have the drive to be part of building something new - to learn, to work hard, to be your best self and to adapt to the constant change and evolution of a start-up.
• Enjoy autonomy and flexibility but can work well in a team
• Count Ownership and Reliability as your key strengths
• Can communicate effectively

PHP Developer:

Responsibilities:

• Gathering & Understanding customer requirements.
• Design, code, test, debug and document software according to the functional requirements.
• Write clean, well structured code with proper abstraction and reusability.
• Work independently and deliver projects under tight deadlines.

What makes you the best fit:

• Exceptional programming skills with strong fundamentals in OOPS, MVC and ORM.
• Good knowledge of PHP, Core PHP, Laravel, CodeIgniter, zend, Shopify, HTML, CSS, Javascript, AJAX, JSON and Rest APIs.
• Proficient with code versioning tools like GIT.
• Must have experience in payment gateway, video streaming and image manipulation.
• Basic knowledge of any JS frameworks like Vue, React, Angular.
• Must be able to work independently and perform under strict deadlines.
• Must be a good team player and has good problem solving skills.

we are building a professional network for the top 1% of women with a simple mission - more women in leadership positions. we launched in may 2020, and have an early product-market fit (10k paying members, great nps, retention) and strong business signals. we are backed by some of the best investors in india. click https://love.leap.club/" target="_blank">here to read what our members say about us ❤️

our founding team members have previously built zomato, uber, linkedin, facebook, wework. our 0-1 journey is done and we are now ready to scale 🤞

about the role - full stack developer:

• you will work on a disruptive product that is in its early stages.
• you are someone with experience in building products that have significant user base/revenue and robust backend systems running in production catering to real-world users.
• 2+ years of experience in engineering with applied knowledge of restful api design principles and best practices are a must. 
• an ideal candidate would have exceptional application development skills with experience working with nodejs, react, typescript, cloud (aws), mongodb amongst other in-demand technologies.
• having a good understanding of cloud technologies, deployments, backend & frontend end-to-end operations is key for this role.

skills required:

• experience with building and deploying cloud-based backend systems. operating the backend at low latency, high availability, and quality
• experience with developing distributed systems and scalable real-time applications
• excellent programming skills in node.js, react, express.js with a solid understanding of event-driven architecture
• understanding of sql and nosql databases. experience with designing and maintaining scalable databases
• experience with 3rd party libraries and api integrations. eg. stripe, razorpay, etc
• strong problem-solving skills with an understanding of core algorithms and complexity analysis
• solid understanding of operating system fundamentals, networking and concurrency concepts
• experience with aws technologies like lambda, api gateway, beanstalk, ecs, ec2 etc
• experience with docker, kubernetes good to have

why you should work with us:

• you will be part of our founding team and get a front seat view of building a company. we promise a steep learning curve
• work with smart folks who like to have fun and don't take themselves too seriously
• independently lead projects and own your deliverables
• we are generous with esops for folks who treat leap.club like their own company
• 5 day work week, flexible leave policy, health and accidental insurance
• regular offsites and travel to gurgaon (our hq)

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our thesis:

there are 3 critical factors that help us live our best social-professional life -

1. connections & network
2. jobs and opportunities
3. learning & development (courses, coaching etc.)

in the next 5 years, leap.club will transform all three for our members.

• the current-gen platforms have a simple playbook - big networks, feeds, photos, followers/ influencers and monetize through ads. 
• the next gen networks will be smaller/focused and algo driven
• linkedin enables connections, jobs, learning but it's built for scale and not depth.

our goals :

• 2022 - 10,000 members and $1 mil+ annual revenue 
• 2024 - 100,000 members and $10 mil+ annual revenue 
• 2027 - 1,000,000 members and $100 mil+ annual revenue 

Who We Are:

Polosoft helps brands solve complex challenges through our integrated development and services offering. Headquartered in Bhubaneswar with offices in Delhi & USA, our teams are connected by a set of core values that inform everything we do, from how we hire to how we work together: values like Everyone Matters, No Silos, and Masters of Our Craft.

At Polosoft, we are creating a new model for a new age client, and we are obsessed with measured impact. We combine digital, analytical, and creative capabilities with industry knowledge and experience. That means clients can bring us their biggest challenges, knowing we have what it takes to bring a new business vision to life.

Polosoft is growing fast; hence an entrepreneurial mind-set and the ability to multitask would be highly desired.

We are Looking For:

As a Full Stack Developer, you are constantly leveraging your technical skills and creativity. You have mastered front-end and back-end development, creating reliable, lightweight, malleable, and high-performing web & enterprise applications. You are fluent in core PHP and at least 1 MVC framework from Laravel and Codeignitor, comfortable using CLI in Unix/ Linux server environments. You are technologically agnostic, genuinely enjoy experimenting with new frameworks, and closely follow changes across the tech landscape.

This role is perfectly suited for people that love to learn because it requires you to continuously update your skillset and technical abilities. Staying up to date on new development tools, programming techniques, and industry trends is also part of the job. If you’re someone who loves logic and problem solving, then We are looking for You.

What You Will Do

• No day is the same - you will create technical designs that support varying client requirements.
• You will design and develop full-stack web applications using the latest web technologies, primarily Angular js and React js, Express js
• Write code that passes unit tests and withstands an agile and test-driven development environment.
• Leverage your skills in industry standard tools to deliver weekly code releases.
• You’ll work in a ‘no silos’ environment, frequently collaborating with global teams and roles across the organization.

Who You Are

Requirements

• You can build products from scratch.
• You have expertise in any one of the back-end frameworks (PHP 5.x/7.x with XAMP/LAMP Environment, Laravel, Codeigniter PHP web framework, Node js, Express js, etc.)
• You are fluent in these languages - PHP, Javascript, NodeJS
• You have Strong knowledge of Ui and UX

• You have dabbled in these front-end tools - HTML 5, Bootstrap 3.0/4.0, CSS 3.0, React js,Node.js Angular JS, JQuery
• You understand when to use NoSQL ( Mongo DB) vs. relational database (MySQL)
• You are comfortable to use any of the web services (REST/ SOAP/ XML)
• You are comfortable to use ecommerce tool like magento 1 and 2, Woocommerce,prestashop and other CMS tool like wordpress (plugin building),drupal  and Joomla
• You preferably have experience in working with GIT, SVN or similar SCM tools
• You must have done one of this payment gateway integration - Paypal/ Stripe/ Razor pay
• You are comfortable working up and down the stack.
• You can convert ideas into designs and build them out

Seniority Level

Mid-level 2-4 Years of Experience

CTC : 3 – 6 LPA