Senior Software Engineer

We are looking for a highly skilled MERN Stack Developer who is passionate about building seamless user interfaces and robust backend systems. The ideal candidate will have strong expertise in ReactJS for UI development and hands-on experience in Node.js API development. You will play a crucial role in developing and maintaining scalable web applications using the MERN (MongoDB, Express.js, React.js, Node.js) stack.

Responsibilities:

• Frontend Development:
• Build responsive and dynamic user interfaces using ReactJS.
• Develop reusable components, UI libraries, and ensure excellent user experience.
• Optimize applications for maximum speed and scalability.
• Work with tools like Redux, React Hooks, and other state management libraries.
• Backend Development:
• Design and develop RESTful APIs using Node.js and Express.js.
• Build secure, scalable, and efficient server-side applications.
• Integrate third-party APIs and services when required.
• Database Management:
• Work with MongoDB to design and manage collections, queries, and indexes.
• Ensure smooth integration of database operations with the backend.
• Collaboration:
• Work closely with designers, project managers, and other developers to define project requirements and deliverables.
• Conduct code reviews and ensure clean, maintainable, and testable code.
• Testing and Deployment:
• Write unit tests and integration tests for both frontend and backend components.
• Deploy applications to cloud environments (AWS, GCP, or similar platforms).
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Skills and Qualifications:

• Strong proficiency in ReactJS:
• Experience in creating dynamic and responsive UI components.
• Knowledge of modern React features such as Hooks, Context API, and functional components.
• Hands-on Node.js API Development:
• Strong experience in Express.js to build RESTful APIs.
• Understanding of asynchronous programming and event-driven architecture.
• Good knowledge of MongoDB:
• Hands-on experience with designing collections, writing queries, and data modeling.
• Proficient in JavaScript and ES6+:
• Strong understanding of modern JavaScript, including DOM manipulation.
• Familiarity with:
• State Management Libraries (e.g., Redux, MobX).
• Version Control (Git and GitHub).
• Frontend Tools like Webpack, Babel, and NPM/Yarn.
• API Integrations and tools like Postman or Swagger for testing APIs.
• Strong understanding of UI/UX design principles:
• Ability to work with design tools (e.g., Figma, Sketch, or Adobe XD) to bring designs to life.
• Problem-solving mindset and ability to write clean, efficient, and maintainable code.

Nice-to-Have Skills:

• Experience with TypeScript.
• Knowledge of GraphQL.
• Experience with containerization tools like Docker.
• Familiarity with deployment tools (CI/CD pipelines).

Experience:

• 0-2 years of experience as a MERN Stack Developer or relevant roles.

Benefits:

• Competitive salary based on experience.
• Opportunity to work on exciting and impactful projects.
• Collaborative and dynamic work environment.
• Career growth and learning opportunities.

What You’ll Do

● Architect, develop, and optimize full-stack applications with modern web technologies.

● Lead the design and implementation of scalable microservices, APIs, and cloud-based solutions.

● Develop and maintain front-end applications using React, Angular, or Vue.js, ensuring a seamless user experience.

● Build robust backend services using Java, Node.js, or Python, integrating with databases and external systems.

● Drive best practices in software engineering, including code reviews, design patterns, and scalable architectures.

● Work with containerization (Docker, Kubernetes) and cloud platforms like AWS, GCP, or Azure.

● Optimize database performance with relational (PostgreSQL, MySQL) and NoSQL (MongoDB, Cassandra)

solutions.

● Collaborate with cross-functional teams, including product managers, designers, and DevOps, to deliver high-quality

software.

● Mentor and guide junior engineers, fostering a culture of learning and innovation.

● Ensure high availability, security, and performance of applications through proactive monitoring and testing.

● Continuously improve CI/CD pipelines, development workflows, and automation strategies.

What You Need

● 5+ years of experience as a Full Stack Software Engineer, with a focus on scalable web applications.

● Strong proficiency in JavaScript/TypeScript and front-end frameworks (React, Angular, or Vue.js).

● Deep experience with backend development using Java, Node.js, Python, or Go.

● Expertise in building RESTful APIs, GraphQL, and event-driven architectures.

● Hands-on experience with cloud platforms (AWS, GCP, Azure) and serverless computing.

● Strong knowledge of containerization (Docker, Kubernetes) and infrastructure as code (Terraform, Ansible).

● Experience working with message queues (Kafka, RabbitMQ) and distributed systems.

● Familiarity with secure coding practices and software supply chain security principles.

● A track record of technical leadership in driving projects and mentoring engineers.

● Strong problem-solving skills and the ability to work in a remote-first, agile environment.

● A passion for open-source technologies and a drive to stay ahead of industry trends.

Why Join Us?

● Help secure the software supply chain for millions of developers worldwide.

● Build meaningful software in a collaborative, fast-moving environment with strong technical peers.

● Stay hands-on while leading—technical leadership is part of the job, not separate from it.

● Join a global engineering organization with deep local roots and a strong team culture.

● Competitive salary, great benefits, and opportunities for growth and innovation.

• Knowledge of front-end technologies including CSS3, JavaScript, HTML5, and jQuery.
• Good understanding of website architecture and aesthetics.
• Monitoring the performance of the live website
• Generating WordPress themes and plugins.
• Conducting website performance tests.
• Troubleshooting content issues.
• Ability to project manage.
• Good communication skills.

Overview

Xcelpros is a Global company, headquartered in Chicago (US) with multiple locations in US and Bengaluru, India. Our focus is Tech Innovation, Product Development and Technology Consulting.

We are hiring for our Product Development team and have an immediate need for a Backend Developer / Fullstack MERN Developer. The position calls for someone with a mindset who can build great products, manage multiple projects and related tasks on deadline. We are looking for high-quality and passionate developers that want to be a part of a great product team.

You need to have at least 2 years of demonstrated experience  as a Backend Developer using MERN (NodeJS, MongoDB, PostgreSQL & Express) & GraphQL technologies. The candidate will work closely with our internal teams in the design, development, launch and enhancement of various products.

About XcelPros

XcelPros is a Global company, headquartered in Chicago (US) with multiple locations in US and Bengaluru, India. XcelPros is focused on Tech Innovation, Product Development and Technology Consulting.

XcelPros specializes in technology solutions for Business-to-Business (B2B) and Business-to-Consumer (B2C) areas. We believe technology is the enabler of exponential growth for us and our customers. We are strategists delivering innovative business and technology solutions.  We have been well funded and operational since 2011.

XcelPros and affiliated group of companies are proud to foster a high-performance culture, one that's defined by having the best people, with the skills and determination to deliver above and beyond. We look for insightful and astute professionals who are also forward-thinking, confident, self-motivated and globally minded. Our core team consists of professionals with a wide range of skills and backgrounds.  XcelPros is continuously looking for talented, highly motivated individuals who believe in excellence and are committed to providing superior service to our customers and stakeholders. 

Experience

• Minimum of 2 years of experience in the design and development of  Web and Mobile applications using NodeJS, MongoDB, PostgreSQL, Apollo - GraphQL and React
• You are required to have experience with development in Microservices Architecture 
• Experience with NestJS framework is a major plus
• Hands on experience with GoLang is not mandatory but a major plus

Start Date - Immediate

Positions - 2 (Immediate Need)

Responsibilities

• Minimum of 2 years of hands-on experience building applications in NodeJS, MongoDB, PostgreSQL, Apollo - GraphQL and React
• Strong and mandatory experience of 2 years of experience in building applications using the Microservices architecture in NodeJS
• Strong and mandatory skills in Automating Components, Perceptibility, Configuration Management, Debugging & Consistency while writing Microservices.
• Experience building applications using NestJS or similar frameworks is a major plus 
• Experience building applications and service integrations using Apollo /  GraphQL
• Adhere to best practices of engineering by writing high-quality code.
• Hands on experience in Elastic Search and related technologies
• Hands on experience with one or more testing frameworks such as  Jest
• You are required to write / conduct unit & integration testing to ensure code meets high-quality standards
• Collaborate with multiple stakeholders, including Production Support, BAs, Architect, Project Managers, and Product Owners to deliver high quality solutions.
• Develop, build, configure and unit test solutions from low level designs
• Ensure that solutions meet requirements outlined in the design documentation
• Perform all work to agreed time, cost and quality constraints
• Ensure that developed solutions are peer reviewed and formally documented
• Design, develop, test and document detailed technical specifications for application components built using MERN (MongoDB, ExpressJS, ReactJS, NodeJS) stack and integrations
• Develop and maintain high traffic / high performance React and Node based e-commerce web applications and web services, including support for mobile
• Participate in support activities to help UI developers integrate with APIs / services
• Create and maintain scalable infrastructure leveraging modern AWS cloud platforms
• Knowledge of all development aspects within an Agile SDLC framework, including; estimation, design, development, unit test, code reviews, and documentation
• Develop solutions that satisfy business requirements as outlined in user stories, and within agreed upon timelines
• Ensure solutions are of high-quality with regards to following standards and best practices, as well as satisfying security and performance requirements
• Collaborate effectively with other Agile team members
• Work with the Production Support team in the research and resolution of production issues.
• Prior hands-on experience with architecture for Web and Mobile technologies, E-commerce, Payment Gateways, Data security and encryption is a major plus
• Experience with CICD, containers and container management platforms(Dockers, Docker Swarm/Kubernetes, etc.)
• Knowledge of GOLANG is a major plus
• Good understanding of the Twelve-factor App methodology is a major plus
• Experience defining new architectures and ability to drive project from an architecture standpoint is a major plus
• Experience with Security configuration is a major plus
• Experience in understanding platforms & key AWS services like Elastic Beanstalk, AWS Lambda, ECS, AWS Fargate, EKS, EC2, S3 etc. is a major plus
• Troubleshoot and resolve complex technical issues in cloud integrations
• Highest levels of code quality
• Needs to conduct weekly code reviews
• Ensure timely and quality release of the product in collaboration with other team members
• Must be a self-starter and able to build up presence in the team.
• Perform other related duties as assigned

Technical Expertise / Hands-On Skills:

• MERN (MongoDB, ExpressJS & Node JS)
• PostGreSQL
• Apollo GraphQL
• JEST
• RESTAPIs

Key Deliverables

• Develop very high sense of ownership, the zeal to build scalable applications
• Develop a deep understanding of product development and start-up ecosystem
• Work with a performance oriented team driven by ownership and open to experiments
• Build customer facing technology product for global customers
• Collaborate with development teams to help identify and develop reusable platforms/libraries.

Key Requirements

• Can do attitude
• Highly motivated to bring fresh thoughts to the table
• Highly creative and most importantly willing to exercise it
• Self-starter and self-learner focused on research and learning
• Ability to play a variety of roles and most importantly take accountability
• Ability to communicate openly and embrace various perspectives without judgment
• Believe in a ”No politics” attitude. Politics can be detrimental to yourself and the organization.