
Job Description: Senior Full-Stack Engineer (MERN + Python )
Location: Noida (Onsite)
Experience: 5 to 10 years
We are hiring a Senior Full-Stack Engineer with proven expertise in MERN technologies and Python backend frameworks to deliver scalable, efficient, and maintainable software solutions. You will design and build web applications and microservices, leveraging FastAPI and advanced asynchronous programming techniques to ensure high performance and reliability.
Key Responsibilities:
- Develop and maintain web applications using the MERN stack alongside Python backend microservices.
- Build efficient and scalable APIs with Python frameworks like FastAPI and Flask, utilizing AsyncIO, multithreading, and multiprocessing for optimal performance.
- Lead architecture and technical decisions spanning both MERN frontend and Python microservices backend.
- Collaborate with UX/UI designers to create intuitive and responsive user interfaces.
- Mentor junior developers and conduct code reviews to ensure adherence to best practices.
- Manage and optimize databases such as MongoDB and PostgreSQL for application and microservices needs.
- Deploy, monitor, and maintain applications and microservices on AWS cloud infrastructure (EC2, Lambda, S3, RDS).
- Implement CI/CD pipelines to automate integration and deployment processes.
- Participate in Agile development practices including sprint planning and retrospectives.
- Ensure application scalability, security, and performance across frontend and backend systems.
- Design cloud-native microservices architectures focused on high availability and fault tolerance.
Required Skills and Experience:
- Strong hands-on experience with the MERN stack: MongoDB, Express.js, React.js, Node.js.
- Proven Python backend development expertise with FastAPI and Flask.
- Deep understanding of asynchronous programming using AsyncIO, multithreading, and multiprocessing.
- Experience designing and developing microservices and RESTful/GraphQL APIs.
- Skilled in database design and optimization for MongoDB and PostgreSQL.
- Familiar with AWS services such as EC2, Lambda, S3, and RDS.
- Experience with Git, CI/CD tools, and automated testing/deployment workflows.
- Ability to lead teams, mentor developers, and make key technical decisions.
- Strong problem-solving, debugging, and communication skills.
- Comfortable working in Agile environments and collaborating cross-functionally.

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Courses: Python, React, Node, ROR
Eligibility: BE, BTech, MTech, MCA students
Batch Passout: 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
1. The Full Stack batch (Python, React, ROR, Node) is starting from 3rd March.
2. The course fee is ₹30,000, which can be paid in 3 installments of ₹10,000 each.
3. The course duration is 3 months.
4. The training will be 8 hours daily, from 10 AM to 7 PM, Monday to Friday.
5. The training will be practical and hands-on, focusing on live projects using laptops and computers (no board teaching).
6. Each batch will have only 20 students, and the top 10 students will get guaranteed placement in BestPeers with a starting salary of ₹15,000 per month (fixed for 1 year, followed by an appraisal).
7. Before joining the course, we will conduct an interview to help identify your weak areas so that you can focus on improving them during the training.
- Can write reliable, scalable, testable and maintainable code.
- Familiarity with Agile methodologies and clean code.
- Design and/or contribute to client-side and server-side architecture.
- Well versed with fundamentals of REST.
- Build the front-end of applications through appealing visual design.
- Knowledge of one or more front-end languages and libraries (e.g. HTML / CSS, JavaScript, XML, jQuery, Typescript) JavaScript frameworks (e.g. Angular, React, Redux, Vue.js)
- Knowledge of one or more back-end languages (e.g. C#, Java, Python, Go, Node.js and frameworks like SpringBoot, .NET Core)
- Well versed with fundamentals of database design.
- Familiarity with databases - RDBMS like MySQL, Postgres & NoSQL like MongoDB, DynamoDB.
- Well versed with one or more cloud platforms like - AWS, Azure, GCP.
- Familiar with Infrastructure as Code - CloudFormation & Terraform & deployment tools like Docker, Kubernetes.
- Familiarity with CI/CD tools like Jenkins, CircleCI, Github Actions.
- Unit testing tools like Junit, Mockito, Chai, Mocha, Jest

Job Description:
- Design, implement and deliver custom solutions using the existing robotics framework.
- Debug issues, do root-cause analysis and apply fixes.
- Design and implement tools to facilitate application development and testing.
- Participate in architectural improvements.
- Work with team members in deployment and field testing.
Requirements:
- Bachelor Degree / Masters in Engineering (ECE or CSE preferred)
- Work experience of 10+ years in software programming.
- Proficiency in Python programming for Linux based systems.
- Full understanding of software engineering.
- Basic Knowledge of Robot Operating System(ROS) is a plus.
- Good understanding of the algorithms and control loops.
- Working knowledge of Git: creating, merging branches, cherry-picking commits, examining the diff between two hashes. Advanced Git usage is a plus.
- Knowledge of video streaming from edge devices is a plus.
- Thrive in a fast-paced environment and have the ability to own the project’s tasks end-to-end with minimum hand-holding
- Learn and adapt new technologies & skills. Work on projects independently with timely delivery & defect free approach.
Key Skills: Java, Node.js, React js, PHP , JSON, Mongo DB, Rest APIs, Word Press, Web Services, Mern Stack, Mean Stack, Express Framework, Bootstrap with Angularjs.
- Overall 3 to 4+ years of experience is required with the following skills.
- Strong knowledge of JavaScript, Nodejs, Angular. Expresses, Reactjs, AJAX, and jQuery
- Good working knowledge of working database platforms like dynamo DB MYSQL and Mongo DB Experience
- working on wasp user interface technologies HTML and JavaScript, Knowledge of web servers and app servers AWS and MongoDB.
- You need to work in an agile cross-functional team to create a customer experience and implement high-quality code into production.
- Work on bug fixes and improvement of application performance.
- Hands on experience with a framework with Angular JS and Node JS
- Hands on experience with utility library with jQuery lib, bootstrap.js, Angularjs, Bootstrap, Date Picker, canvasjs.min.js, Socket.io, Moment timezone.js
- Good Knowledge of AWS Amazon web services.
- Should be Proficient in Linux
- Experience on Node.js and Json rest APIs developments and web services knowledge are highly preferred.
- Knowledge of cross-browser platform issues and implementation is highly preferred.
We are planning to expand our team to explore new opportunities and looking for creative, enthusiastic, and passionate individuals to join our team.
Job Description
- Develop software using MERN stack technologies
- Designing user interactions on web pages
- Writing clean, functional code on the front- and back-end
- Testing and fixing bugs or other coding issues
- Developing back end website applications
- Creating servers and databases for functionality
- Ensuring cross-platform optimization for mobile phones
- Ensuring the responsiveness of applications
- Working alongside graphic and UI designers for web design features
- Designing and developing APIs
- Staying abreast of developments in web applications and programming languages
- Extensive knowledge of Node.Js, React.js, HTML, CSS & Javascript
- Strong knowledge of Data structures and Algorithms
- Ability to work independently and manage the entire frontend of all platforms associated with Rejolut
- Exemplary tasks – Explore something new every day!
- Responsibility – Bring in your own ideas and get supported in executing them.
- Fun – Experience a family culture & celebrate with the founders & team.
- Team – Be a part of a high-performance & cultural diverse team
- Freshers can apply
- Students in their last semester or passed out in 2020 can also apply
- Working days: Monday to Friday
- Timings: 11:00 am to 7:00 pm
- Duration of internship: 6 months/PPO(Performance Basis)
Stipend: INR 10,000 -15000 / per month
Please apply only if -
- You are available for the above said duration.
- You prefer to work in a fast paced environment with growth & learning opportunities
- If you have not applied for an internship before with us.
- have relevant skills and interests
Rejolut - As a Career Differentiator
- We are a young and dynamic team who are obsessed with solving futuristic and evolutionary business problems at scale with the next generation technology like blockchain, crypto and machine learning. Focuses on empowering people across the globe to be technically efficient, making advancements in technology and providing new capabilities that were previously thought impossible.
- We provide exposure to higher learning opportunities so that you can work on complex and cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, WebAssembly. Strong expertise in blockchain and crypto technology and working with the networks like Hedera Hashgraph, Tezos, BlockApps, Algorand, Cardano.
- We maintain high end transparency with clients and employees as Visibility unlocks Efficiency and trust unlocks Visibility.
- Company is backed by two technology Co-founders, well-versed with consumer applications and their work has been downloaded millions of times and have led teams in leadership positions in companies like Samsung, Purplle, Loyalty Rewardz.
Benefits :
- Health Insurance
- Work from Home
- Fast growth and more visibility into the company
- Experience to work on the latest technology
- Competitive Learning Environment with supportive co-workers
- Employee friendly HR Policies
- Paid leaves up to certain limits
- Liberal working atmosphere
- Get mentored by the best in the industry
2. Creating and maintaining technical documentation
KRAs:
- Liaise with business/departmental stakeholders, understanding requirements
- Making project plan and enhancement feature release roadmap
- Working hands-on for product enhancements
- Producing, testing and debugging code
Job brief:
We are looking for a Senior Solution Engineer to lead and implement solution enhancements. You will work with top management to define solution requirements and take the lead on technical aspect of the project.
In this role, you should be able to work independently with little supervision. You should have excellent organization and problem-solving skills. If you also have hands-on experience in technology development and agile methodologies, we’d like to meet you.
Your goal will be to enhance and develop high-quality technology solutions that is aligned with user needs and business goals.
Responsibilities
- Develop high-quality technology design and architecture
- Identify, prioritize and execute tasks in the software development life cycle
- Develop tools and applications by producing clean, efficient code
- Automate tasks through appropriate tools and scripting
- Review and debug code, perform validation and verification testing
- Identify 3rd party integration opportunity and engage with 3rd party team on technology and business aspect and drive successful integration
- Develop technology solutions by studying information needs; conferring with users; studying systems flow, data usage, and work processes; investigating problem areas; following the software development lifecycle
- Determine operational feasibility by evaluating analysis, problem definition, requirements, solution development, and proposed solutions
- Demonstrates solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments and clear code
- Protect operations by keeping information confidential
- Provide information by collecting, analysing, and summarizing development and service issues.
Skillset requirements:
- Knowledge of selected programming languages (e.g. Python, C++) and the Java/J2EE platform
- In-depth knowledge of relational databases (e.g. PostgreSQL, MySQL) and NoSQL databases (e.g. MongoDB)
- Java/JEE, Spring, JSON, XML, NoSQL Database(MongoDB, Cassandra), Distributed System, RDBMS, ePub3, MVC frameworks, Design Patterns, Javascript, JQuery, JSON
- Ability to use version control software such as GIT and SVN
- Experience as an applications programmer on large-scale data base management systems
- Experience writing SQL queries for SQL Server or another Relational Database is required
- Experience in LAMP (Linux, Apache, MySQL, PHP/Python/Perl) and/or server-side Java programming with Web 1.0 MVC frameworks and experience in JEE technologies like Servlets, JSPs, EJBs, Web Services, JMS, JAXB.
- Design, develop and implement unit and scenario testing for existing code base and for new functionality under development
- High scalability projects involving cloud-based infrastructure design and implementation
- Good understanding of Web Services protocols such as REST, SOAP and API design for extensibility and portability
- Experience debugging distributed systems with high data loads
- Deep understanding of distributed data model
- Solid understanding of the Software as a Service (SaaS) model in the online environment
Mindset requirements:
- Solution mindset
- Teamwork
- Analytical & Critical Thinking
- Attention to details









