MERN Stack Developer

Strong Full Stack Engineer profiles

Mandatory (Experience 1) – Must have 1+ years of hands-on full stack engineering experience (avoid frontend-heavy only profiles, backend heavy will work)

Mandatory (Experience 2) – Must have strong backend engineering experience using Python, including designing and owning APIs, services, and data models in production environments

Mandatory (Experience 3) – Must have strong frontend development experience using React (or equivalent), including component architecture, state management, and building production-grade user interfaces

Mandatory (Experience 4) – Must have end-to-end ownership experience, building and shipping features across the full stack (UI + API + database) without clear handoff boundaries

Mandatory (Experience 5) – Must have strong web fundamentals, including understanding of browser rendering, performance optimization, and accessibility best practices

Mandatory (Experience 6) – Must be able to demonstrate solving complex problems on both frontend and backend, clearly articulating trade-offs, decisions, and outcomes

Mandatory (Experience 7) – Must have solid experience with databases (SQL/NoSQL), including schema design, query optimization, and handling performance bottlenecks

Mandatory (Company) - Top Product Companies, (preferred early-stage startups with Seed to Series C/D with fast-paced shipping culture)

Mandatory (Education) - Tier-1 institutes (IITs, BITS, IIITs), Can be skipped if from Top notch product companies

Position Overview: The Lead Software Architect - Python & Data Engineering is a senior technical leadership role responsible for designing and owning end-to-end architecture for data-intensive, AI/ML, and analytics platforms, while mentoring developers and ensuring technical excellence across the organization. 

Key Responsibilities: 

• Design end-to-end software architecture for data-intensive applications, AI/ML pipelines, and analytics platforms
• Evaluate trade-offs between competing technical approaches 
• Define data models, API approach, and integration patterns across systems 
• Create technical specifications and architecture documentation 
• Lead by example through production-grade Python code and mentor developers on engineering fundamentals 
• Conduct design and code reviews focused on architectural soundness 
• Establish engineering standards, coding practices, and design patterns for the team 
• Translate business requirements into technical architecture 
• Collaborate with data scientists, analysts, and other teams to design integrated solutions 
• Whiteboard and defend system design and architectural choices 
• Take responsibility for system performance, reliability, and maintainability 
• Identify and resolve architectural bottlenecks proactively 

Required Skills:  

• 8+ years of experience in software architecture and development  
• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field 
• Strong foundations in data structures, algorithms, and computational complexity 
• Experience in system design for scale, including caching strategies, load balancing, and asynchronous processing  
• 6+ years of Python development experience 
• Deep knowledge of Django, Flask, or FastAPI 
• Expert understanding of Python internals including GIL and memory management 
• Experience with RESTful API design and event-driven architectures (Kafka, RabbitMQ) 
• Proficiency in data processing frameworks such as Pandas, Apache Spark, and Airflow 
• Strong SQL optimization and database design experience (PostgreSQL, MySQL, MongoDB)  Experience with AWS, GCP, or Azure cloud platforms 
• Knowledge of containerization (Docker) and orchestration (Kubernetes) 
• Hands-on experience designing CI/CD pipelines Preferred (Bonus) 

Skills: 

• Experience deploying ML models to production (MLOps, model serving, monitoring) Understanding of ML system design including feature stores and model versioning 
• Familiarity with ML frameworks such as scikit-learn, TensorFlow, and PyTorch  
• Open-source contributions or technical blogging demonstrating architectural depth 
• Experience with modern front-end frameworks for full-stack perspective

Hiring for the position of Full Stack Developer responsible for managing back-end services and the interchange of data between the server and the users.Your primary focus will be the development of all server side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the frontend elements built by your co-workers into the application. Therefore, a basic understanding of frontend technologies is necessary as well.

Job Profile: -

●        Create and consume restful APIs

●        Design, develop, and maintain internal and external applications

●        Build efficient, testable, and reusable modules

●        Write high quality, structured application/interface code and documentation

●        Identify solutions through research and collaboration that resolves the root of problems as they arise

●        Define functional and technical requirements for application software to develop skills and knowledge

●        Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality

●        Contribute in all phases of the development lifecycle

Requirement

∙ Proficient in Node.JS and ReactJS development stack

∙ 2+ years’ experience designing, querying, and updating databases in MySQL/nosql

∙ Basic understanding of web technologies including HTML, CSS, JavaScript, AJAX etc.

∙ Passion for best design and coding practices and a desire to develop new bold ideas.

About Us                                                                                                                  

Apty is a rapidly scaling SaaS company helping global enterprises accelerate software adoption and digital transformation. With teams across India and the USA, we are building an AI-first Digital Adoption Platform that simplifies user experience, improves productivity, and reduces support overhead. We're on a mission to build a high-performance and people-centric culture that celebrates innovation, diversity, and growth.

Trusted by millions of users worldwide, including Fortune 1000 Companies, Apty empowers employees to excel in their roles by promoting engagement and enhancing data hygiene.

Role Overview

We are looking for a talented Full Stack Developer with 2–5 years of experience to join our dynamic team in Hyderabad.

As a Senior Full Stack Developer at Apty, you will contribute to the design, development, and maintenance of cutting-edge web applications and browser extensions that serve enterprise clients worldwide. You should have strong problem-solving skills and be proficient in both front-end and back-end technologies.

Key Responsibilities

• Develop responsive and user-friendly web interfaces using HTML, CSS, and React.js.
• Build robust server-side applications and APIs using Node.js.
• Design and manage relational databases using SQL.
• Collaborate with cross-functional teams to gather requirements and translate them into technical solutions.
• Debug, troubleshoot, and enhance existing applications for optimal performance and scalability.
• Ensure code quality through reviews, testing, and adherence to best practices.
• Stay updated with the latest trends and technologies.

Education Qualifications:

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

Requirements

• Strong programming and problem-solving skills.
• Proficiency in HTML, CSS, and React.js for front-end development.
• Experience with Node.js for back-end development.
• Good understanding of relational databases, including SQL.
• Familiarity with RESTful APIs and web application architecture.

Benefits

• An opportunity to work with a fast-growing SaaS company impacting millions of users globally.
• A collaborative and inclusive work environment.
• Opportunities for professional growth and skill development.
• Competitive salary and benefits package.

Job Summary:

We are seeking a motivated and skilled Founding Engineer to join our innovative team in Mumbai. This role offers a unique opportunity to help shape our technology and product direction, leveraging your expertise in full-stack development using React.js, Node.js, and MySQL.

Key Responsibilities:

• Design and implement user-friendly frontend applications using React to enhance user experience.
• Develop robust server-side applications and APIs with Node.js to support our business logic and data processing needs.
• Manage and optimize MySQL databases, ensuring data integrity and performance while querying and updating data.
• Collaborate closely with cross-functional teams including product management and UX/UI to deliver cohesive product features.
• Participate in code reviews and ensure adherence to best practices in software development, maintaining high-quality code.
• Assist in troubleshooting and debugging issues across the stack, ensuring a smooth operation of our applications.
• Contribute to the architecture and roadmap of our technology platform, helping to define future iterations based on user feedback.

Requirements:

• Bachelor's degree in Computer Science, Engineering, or a related field.
• 1 to 4 years of experience in full-stack development with a focus on React.js, Node.js, and MySQL.
• Strong understanding of web technologies, including HTML, CSS, and JavaScript frameworks.
• Proficient in database management and design, particularly in MySQL.
• Excellent problem-solving skills and the ability to work in a fast-paced startup environment.
• Demonstrated ability to work collaboratively in a team and communicate technical concepts clearly.
• Passion for building innovative and scalable applications that meet user needs.

Primary Skills

• Java EE (Servlets, JSTL, JSP, JDBC)

• Frontend frameworks (ReactJS)

• Pure JavaScript, jQuery

• Bootstrap, HTML5, CSS, SASS

• Microsoft SQL Server (writing queries, stored procedures, triggers etc.)

We are looking for a highly skilled computer programmer who is comfortable with both front and back end programming. Full stack developers are responsible for developing and designing front end web architecture, ensuring the responsiveness of applications, and working alongside graphic designers for web design features, among other duties.

Full stack developers will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.

Full Stack web developer responsibilities:

• Developing front end website architecture.
• Designing user interactions on web pages.
• Developing back-end website applications.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Working alongside graphic designers for web design features.
• Seeing through a project from conception to finished product.
• Designing and developing APIs.
• Staying abreast of developments in web applications and programming languages.

Job Types: Full-time, Fresher

Salary: ₹25,000.00 - ₹55,000.00 per month

Who should not apply for this job

• If you are looking for a 100% hike in your salary but can't commit to what value you will bring on the table
• If you never read books
• If you jump companies every 11-12 months
• If you are not comfortable working on Saturdays
• If you have less than 2 years of experience
• If you have more than 4 years of experience

At this position you will:

• Get solid experience with high-load distributed architecture using REST and High load services.
• Work with automated CI/CD processes, AWS cloud, and VoIP.
• Implement and support microservices based on Elasticsearch, Mongo, and frontend.

Key-Skills Required:

Node.js  | Express  | REST Api   | Javascript  | Redux-Saga |   MongoDB | Web security TLS/SSL | Web Sockets |   Promises & Call-backs | Database & Data structures |   Redis | Elasticseach | React.Js

Key Deliverables: 

• New feature design and implementation, Bug fixing, testing and performance tuning.
• Work on the API and Engines.
• Code deployment on cloud & maintenance of the same.
• Take complete ownership of a product/feature from setup to deployment.
• Time-bound feature delivery & updating.
• Cost-saving using efficient & effective technologies

Role and Responsibilities: 

• Work on back-end (+ frontend integration) development of core scripts using NodeJS / MongoDB /Express /Redux, and Redis.
• Manage Key-value based databases like Redis.
• Active participation in the development of a sophisticated platform as one of the leading developers.
• Document code consistently throughout the development process by listing a description of the program, special instructions, and any changes made in database tables on procedural, modular, and database level.
• Respond promptly and professionally to bug reports. 
• Knowledge of bluebird.js (Promises), Async, etc will be of advantage.
• Coding and programming using Object-Oriented Programming, Data Structure and Algorithms, architecture/ design and build RESTful API.
• Passionate about building products and features and build the product from scratch with thrust on Web security, TLS/SSL, web sockets, etc
• Knows one or more of Wireframes/ Prototyping/ Functional Documentation of business.

4-10 LPA based on experience and on performance in the interview round (70% Fixed - 30% Variable Incentive based on performance/delivery schedule)

(We do ZERO deductions since the salary will be paid from US/Singapore)

We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.

Responsibilities

• Integration of user-facing elements developed by front-end developers with server side logic
• Writing reusable, testable, and efficient code
• Design and implementation of low-latency, high-availability, and performant applications
• Implementation of security and data protection
• Creating APIs and backend systems
• Scraping sites and creating backend dashboards for data management
• Experience with React.js and native is a plus but not required
• Backend infrastructure management and deployment
• Experience with MongoDB, Express is a plus.