Mernstack Developer

Job Title: Full Stack Developer (Node.js + React.js)

📍 Location: Gurgaon (On-site)

🕒 Experience: 5+ Years

🕒 Working Days: 5 Days(Mon-fri)

Job Summary:

We are hiring a passionate and experienced Full Stack Developer proficient in Node.js and React.js for our client. The ideal candidate should have solid experience in designing scalable systems, writing optimized code, implementing role-based access control, handling task prioritization, and building robust web applications.

Key Responsibilities:

• Design scalable user management systems with role-based access and authentication.
• Develop backend services and REST APIs using Node.js.
• Build dynamic and optimized front-end applications using React.js and Redux.
• Handle async operations, task queues, and implement retry and prioritization logic.
• Optimize React components for performance using hooks and memoization.
• Ensure secure and scalable system design with proper error handling and authorization flows.
• Apply JavaScript concepts like closures, event loop, and async patterns in real-world scenarios.
• Collaborate with DevOps for basic CI/CD and deployment processes.

Mandatory Technical Skills:

• Frontend: React.js, Redux, JavaScript (ES6+)
• Backend: Node.js, Express.js
• Authentication & Authorization: JWT, OAuth2, Role-Based Access Control (RBAC)
• Task Management: Async/Await, Promises, Retry Mechanisms
• Database: MongoDB or PostgreSQL
• Version Control: Git

Soft Skills:

• Strong problem-solving and system design skills
• Ability to work independently and in a collaborative team
• Clear communication of technical ideas
• Ownership of tasks and components end-to-end

Focus Areas:

• System Design (User Management, Fault Tolerance, Load Distribution)
• JavaScript Core Concepts (Closures, Scope, Event Loop)
• React Optimization & Hooks
• Node.js Architecture & Async Programming
• Task Prioritization and Retry Logic

Job Summary

We are looking for a Technical Lead with strong expertise in AWS, Node.js, and MongoDB to drive the design, development, and deployment of scalable applications. The ideal candidate will be responsible for leading a team of developers, defining best practices, and ensuring high-quality code delivery while working in an agile environment.

Key Responsibilities

• Lead the end-to-end development of web applications using Node.js, Angular, and MongoDB.
• Architect scalable, secure, and high-performance cloud-based applications on AWS.
• Provide technical guidance, code reviews, and mentorship to the development team.
• Optimize backend APIs and database queries for performance and scalability.
• Ensure best practices in coding, security, and DevOps for cloud deployment.
• Collaborate with cross-functional teams including UX/UI designers, product managers, and DevOps engineers.
• Implement CI/CD pipelines, automated testing, and infrastructure as code on AWS.
• Troubleshoot production issues and drive continuous improvement in system reliability.
• Stay updated with emerging technologies and advocate for relevant tech adoption.

Required Skills & Experience

• 4+ years of hands-on experience in software development.
• Strong proficiency in Node.js (Fastify/Express), Angular (latest versions), and MongoDB (Mongoose, Aggregations, Indexing).
• Cloud expertise with AWS services like EC2, S3, Lambda, API Gateway, ECS .., etc.
• Experience with Microservices Architecture.
• Strong knowledge of RESTful APIs, WebSockets, GraphQL, and authentication mechanisms (OAuth, JWT, SSO).
• Hands-on experience with performance tuning, caching strategies (Redis, CloudFront), and database optimisation.
• Strong problem-solving, leadership, and communication skills.

Good to Have

• Experience with AI/ML integration in applications.
• Knowledge of Serverless Architectures (AWS Lambda, Step Functions).
• Exposure to NoSQL databases like like Elasticsearch.

Why Join Us?

• Work on cutting-edge technologies in a fast-paced environment.
• Opportunity to lead a strong technical team and shape the product architecture.
• Competitive salary and benefits package.
• A culture that values innovation, ownership, and growth.

About Us

We are building the next generation of AI-powered products and platforms that redefine how businesses digitize, automate, and scale. Our flagship solutions span eCommerce, financial services, and enterprise automation, with an emerging focus on commercializing cutting-edge AI services across Grok, OpenAI, and the Azure Cloud ecosystem.

Role Overview

We are seeking a highly skilled Full-Stack Developer with a strong foundation in e-commerce product development and deep expertise in backend engineering using Python. The ideal candidate is passionate about designing scalable systems, has hands-on experience with cloud-native architectures, and is eager to drive the commercialization of AI-driven services and platforms.

Key Responsibilities

• Design, build, and scale full-stack applications with a strong emphasis on backend services (Python, Django/FastAPI/Flask).
• Lead development of eCommerce features including product catalogs, payments, order management, and personalized customer experiences.
• Integrate and operationalize AI services across Grok, OpenAI APIs, and Azure AI services to deliver intelligent workflows and user experiences.
• Build and maintain secure, scalable APIs and data pipelines for real-time analytics and automation.
• Collaborate with product, design, and AI research teams to bring experimental features into production.
• Ensure systems are cloud-ready (Azure preferred) with CI/CD, containerization (Docker/Kubernetes), and strong monitoring practices.
• Contribute to frontend development (React, Angular, or Vue) to deliver seamless, responsive, and intuitive user experiences.
• Champion best practices in coding, testing, DevOps, and Responsible AI integration.

Required Skills & Experience

• 5+ years of professional full-stack development experience.
• Proven track record in eCommerce product development (payments, cart, checkout, multi-tenant stores).
• Strong backend expertise in Python (Django, FastAPI, Flask).
• Experience with cloud services (Azure preferred; AWS/GCP is a plus).
• Hands-on with AI/ML integration using APIs like OpenAI, Grok, Azure Cognitive Services.
• Solid understanding of databases (SQL & NoSQL), caching, and API design.
• Familiarity with frontend frameworks such as React, Angular, or Vue.
• Experience with DevOps practices: GitHub/GitLab, CI/CD, Docker, Kubernetes.
• Strong problem-solving skills, adaptability, and a product-first mindset.

Nice to Have

• Knowledge of vector databases, RAG pipelines, and LLM fine-tuning.
• Experience in scalable SaaS architectures and subscription platforms.
• Familiarity with C2PA, identity security, or compliance-driven development.

What We Offer

• Opportunity to shape the commercialization of AI-driven products in fast-growing markets.
• A high-impact role with autonomy and visibility.
• Competitive compensation, equity opportunities, and growth into leadership roles.
• Collaborative environment working with seasoned entrepreneurs, AI researchers, and cloud architects.

We're seeking a talented and motivated Full Stack Developer who is experienced in Node.js, React.js, and Laravel (PHP) to work on building high-performance web applications, APIs, SaaS platforms, and hosting tools. This role is perfect for someone who thrives in a dynamic environment and wants to contribute to modern, scalable platforms used by thousands of users.

Responsibilities

Develop and maintain full-stack applications using Node.js (backend), React.js (frontend), and Laravel (backend).

Design, implement, and document APIs and microservices for internal and customer-facing platforms.

Integrate third-party APIs, payment gateways, and other services as needed.

Collaborate with UI/UX designers to ensure a high-quality user experience.

Optimize applications for maximum speed and scalability.

Troubleshoot, debug, and upgrade existing software.

Participate in code reviews, sprint planning, and team meetings.

Looking for a candidate who can join us immediately and would like to hire a individual contributor and also can adapt as a team-player.

What we are looking for:

• Hands-on experience with key development technologies including Java, J2E, Springboot, React, HTML/CSS/Javascript. Others such as Python, Angular would be beneficial.
• Knowledge of databases, integration architectures/patterns and data modelling essential.
• API best practices, application servers, cloud services (especially AWS) and code quality/secure development all essential. Generative AI knowledge is a must.
• Experience of DevOps, CI/CD and source control tools and best practices required.
• Able to work collaboratively to create POCs and provide technical recommendations for solutions to problems with supporting evidence.
• Excellent written and verbal communication skills needed to effectively collaborate with cross functional teams.
• Prior experience with SCRUM/Agile methodologies with enterprise-level application development projects with the Ability to balance business priorities with technical requirements and manage multiple tasks under tight deadlines.

Responsibilities:

• Be a strong individual contributor in all aspects of software development lifecycle following agile methodologies (Analyze, design, develop, test, debug, and deploy phases of development projects) to deliver high quality solutions that meet business requirements.
• Experience in working with multiple application environments, and support business continuity across multiple geographic regions inclusive of Implementing DevOps culture, and use of tools to ensure Continuous Integration and Continuous Delivery for application deployment and adhering to S&P security requirements for vulnerability remediation.
• Perform reviews and integration testing to assure code quality and security standards are met. 
• Support the user base, assisting with tracking down issues and analyzing feedback to identify product improvements; Gather information and feedback from end users to understand and develop project requirements.
• Understand and commit to the culture of S&P Global: the vision, purpose, and values of the organization. 

Develop and maintain application documentation and coding standards that are clear, accurate and detailed. Troubleshoot .NET issues and provide debugging support as needed. Maintain communication with key players on development process and communicate complex technical information to non-technical audiences. Provide mentorship and support to other employees

·       Hands on Experience on HTML, jQuery, JavaScript, MongoDB, NoSQL, Azure/Google Cloud Components

·       HTML: Elements and attributes, HTML Structures

·       jQuery: Functions and events, class based, ID based and attributes-based events, effects, JSON serialization and deserialization, JSON data preparation, AJAX Calls, async functions‍

·       JavaScript: For Loops, Filters, JSON Data Mapping

·       Expert on C# (.Net Core & Asp.NET MVC) and MongoDB

• Microsoft technology development experience in C#, ASP.NET, .NET 4.5 onwards, Web API, Bootstrap, Jquery, Angular SQL 2012 onwards, SQL stored procedure
• Must have ReactJs with 2 projects experience or min 1.5 Years experience in ReactJS based Projects
• Troubleshooting & analysing skills
• Development Experience required for Continuous improvement program
• Good problem solving capabilities in Developed applications

About Solveasy

Headquartered in Delhi, and coming from a legal background, Solveasy is an end-to-end digital debt collection agency with a platform for debt resolution, collections, and recovery. We create custom debt collection software, including account receivable management, credit and risk management, analytics, and reporting. Solveasy also develops workflow automation solutions with integrated payment processing. Our platform will adapt to consumer behavior with personalized and empathetic communications to deliver the right payment option at the right time and channel. We aim to work with top financial institutions, enterprise companies, and upcoming businesses to recover billions in lost revenue

Responsibilities

• Own end-to-end product features from ideation, automated testing, and implementation to deployment and monitoring.
• Embrace "You build it, You run it" with ownership of the entire infrastructure across multiple deployment environments.
• Continuously learn new domain and technical concepts to maintain a deep understanding of the product strategy and system architecture.
• Leverage diverse partners in a multi-cloud ecosystem to maximize productivity and empower businesses to focus on building our core intellectual property.
• Improve our code standards, maintainability, developer experience, data privacy, security, scalability, resilience and fault tolerance.
• To work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works in the backend.
• Implement entirely new tools and applications using a modern technology stack.
• Work closely with TPM and our clients to collaborate on requirements.

Skills Needed

• Experience with JavaScript frameworks is required.
• Proficient understanding of web markup, including HTML5, CSS3
• Basic understanding of server-side CSS pre-processing platforms such as LESS and SASS
• Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
• Good understanding of (Depending on the specific case, a developer should have the knowledge of advanced JavaScript libraries and frameworks, such as AngularJS, KnockoutJS, BackboneJS, ReactJS, DurandalJS etc.)
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments to an image. Familiarity with tools such as Gimp or Photoshop is a plus.
• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Proficient understanding of code versioning tools, such as (Git / Mercurial / SVN)
• Good understanding of SEO principles and ensuring that application will adhere to them.

Type of opportunity: Fulltime; candidate may be required to relocate onsite to Delhi NCR

Post Qualification Experience: Freshers are eligible to apply so long as they have the required skills and project work experience.