
OREN is a rapidly growing technology business in Sustainability Analytics and Reporting space. Our ambition is to help companies include sustainability into their core business strategies and culture.
We are looking for Fullstack Engineers (MERN) to help us in the next stage of our journey with experience in developing real-time server applications based on Node.js, Express.js, MongoDB databases. As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks, and third-party libraries. You are expected to work with the best selection of tools, libraries, and cloud platforms to deliver a high-performance, scalable, flexible, reliable, and seamlessly integrated back-end solution to be used with a variety of mobile and web-browser-based clients.
Responsibilities :
-- Design and write lots of bug-free, efficient, scalable, and reusable code
-- Design & develop full-stack modules and components and promote coding best practices
-- Develop APIs and scripts using backend programming languages like Node.js
-- Design and implementation of low-latency, high-availability, and performant applications
-- Ability to work independently with minimum supervision
-- You will have ownership of developing and maintaining various backend services that support features in our application and website
-- Integrating solutions to enterprise software and legacy software
-- Manage project priorities, deadlines, and deliverables
-- Develop and manage well-functioning databases and applications
-- Ensuring responsiveness of applications
Requirements:
- 4+ years professional software engineering experience
- Bachelor's degree in Computer Science or a related field (or foreign equivalent)
- Proven experience in high-level programming languages like Node.js and Express.js with state management tools like Redux
- Good understanding of React, Next.JS, Bootstrap, and Material UI
- Thorough understanding of modeling and scaling databases like Firestore, and SQL
- Expertise in developing micro-services based REST APIs and exposure to API Gateway (GraphQL a plus)
- Should be well-versed with collaboration tools like Git and Swagger
- Significant experience in developing high performance, distributed, and scalable applications with container deployment (Docker and Kubernetes)
- Comfortable working within GCP, AWS, Azure, or equivalent ecosystem
-Bonus point: Experience working with ML and recommendation systems
- Knowledge on open-source technologies such as NoSQL, MongoDB, Data Formats (XML / JSON), JavaScript Frameworks ReactJS, JS, JQuery, CSS, HTML5, in memory databases, Build tools like webpack.
- Preference will be given to the Immediate joiner
- Should be a team player, have a positive outlook towards challenges, and contribute to the growth of the team and company
Interview process:
1st Round - Techincal Assessment: a) Online Quiz b) Take Home Assignment
2nd Round - Joint video call discussion with Co-Founder and CTO
Oren is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, age, religion, sex, sexual orientation, gender identity or expression, marital status, domestic partner status, national origin, genetics, disability, military and veteran status, and other protected characteristics.

Similar jobs
We are looking for a skilled and motivated MERN Stack Developer to join our development team. The ideal candidate will have hands-on experience in building scalable web applications using MongoDB, Express.js, React.js, and Node.js, and a passion for writing clean, efficient, and maintainable code.
Key Responsibilities
- Design, develop, and maintain full-stack web applications using the MERN stack
- Build responsive and reusable UI components using React.js
- Develop RESTful APIs and backend services using Node.js and Express.js
- Work with MongoDB for data modeling, queries and performance optimization
- Collaborate with UI/UX designers, product managers, and other developers
- Write clean, well-documented and testable code
- Debug, troubleshoot and optimize application performance
- Participate in code reviews and follow best development practices
- Stay updated with emerging technologies and industry trends
Required Skills & Qualifications
- 1–5 years of experience in MERN stack development
- Strong proficiency in JavaScript.
- Hands-on experience with React.js, including hooks and component lifecycle
- Experience with Node.js and Express.js
- Good understanding of MongoDB and NoSQL databases
- Experience in building and consuming REST APIs
- Proficient in HTML5, CSS3, and building responsive, cross-browser user interfaces.
- Experience with Git/GitHub or other version control systems in a collaborative development environment.
- Solid understanding of authentication, authorization, and security best practices
- BTech, BE, BS degree in Computer Science, a similar technical field of study, or equivalent practical experience.
- 6+ years experience in web and software development.
- 3+ years of experience with the microservices architecture.
- At least 1 year of experience in leading a team.
- Demonstrated experience in Node, Mongo, Python2/3, Express, ReactJS.
- Experience with testing frameworks like Mocha, Jest, Jasmine etc.
- Experience with asynchronous messaging using RabbitMQ/Apache Kafka.
- Ability to work independently and multi-task effectively.
- Flexible and willing to accept a change in priorities as necessary.
- Strong attention to detail.
Design and build applications, bug fixing and improving application performance.
- Delegate tasks and achieve daily, weekly, and monthly goals.
- Enforce processes to improve productivity of the team.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Work on continuously discovering, evaluating, and implementing new technologies to maximize
development efficiency.
We are seeking an experienced MERN Stack Team Leader to join our team. The successful candidate will be responsible for leading a team of developers in designing, developing, testing, and deploying web applications using the MERN stack. The MERN Stack Team Leader will be responsible for ensuring that the team meets project deadlines, stays within budget, and produces high-quality code that meets the client's requirements. This position requires strong leadership skills, technical knowledge, and the ability to work in a fast-paced environment.
Key Responsibilities
- Manage a team of developers and oversee the development of web applications using the MERN stack
- Assign tasks to team members and ensure that they are completed on time and within budget
- Participate in the design, development, and testing of web applications using the MERN stack
- Collaborate with clients to gather requirements and ensure that their needs are met
- Ensure that the team follows best practices in software development, code review, and testing
- Identify and mitigate project risks
- Communicate project status to stakeholders and management
- Mentor and coach team members to help them grow and develop their skills
- Stay up-to-date with emerging trends and technologies in web development
Qualifications
- Bachelor's degree in Computer Science or a related field
- At least 4 years of experience in web development using the MERN stack
- At least 8 yr experience in Development
- Strong knowledge of MongoDB, Express.js, React.js, and Node.js
- Excellent communication and interpersonal skills
- Strong problem-solving and analytical skills
- Ability to work in a fast-paced environment and manage multiple projects simultaneously
If you have a passion for leading a team of developers to build cutting-edge web applications using the MERN stack, we encourage you to apply for this exciting opportunity.
Our client is the Health-tech initiative of India's largest business house. Started in 2015, it empowers healthcare providers and consumers in India. All healthcare monitoring services are made available through an app that will help connect doctors, hospitals, pharmacies, laboratories and consumers, enabling preventive and predictive healthcare. It helps the care-givers to track the entire patient journey from the initial appointment to maintaining their records, generating lab test reports to providing virtual consultation and home-care solutions. It is expected that this futuristic guide will strengthen doctor-patient relationship and enhance the in-clinic experience.
- Understanding and improving performance of web applications through tools like Lighthouse/ Google Page Insights or similar.
- Interpreting the results and implement design improvements
- Mentoring of new members, provide directions for secure coding, and extensive code reviews to ensure the highest quality code is shipped to production.
- Configuring and managing web servers like Nginx or Apache
- Monitoring web applications using tools like AWS, CloudWatch, NewRelic APM or similar MERN stack developers, with focus on Express, React and Node
What you need to have:
- B.E/ B.Tech- Min 65 %
- Web Server Application setup for B2C with significant scale (more than 100K daily users)
- React Native based development experience
- Understanding of Mobile application development (Android and/ or iOS)
- Good understanding of Laravel framework
- Real-world experience in configuring and managing web servers like Nginx or Apache
- Good understanding of git-based SCM, Jenkins based build systems, CI/ CD pipelines, and deployment frameworks
- Sound knowledge of web application architecture
- Experience in working with stakeholders in Product Management and Business teams
- Extensive experience in building and supporting PHP or Node- based Web Server Application
- Hands-on experience in managing performance, stability, and security of node/ PHP based web applications on the server-side
If you are an analytical problem solver with a strong Web Development knowledge and a passion for teamwork and innovation, we have the perfect job for you!
We are looking for a Web Developer to join our award-winning, talented team, building the next generation automated drone applications for our global customers.
As a front-end developer, you will implement a complete user interface in the form of a web app. A thorough understanding of all of the components of FlytBase platform and infrastructure is required. You will need to take ownership of your projects, which involves detailing requirements after discussion with the Product Owner, building user interfaces, developing and maintaining web apps with a focus on user experience.
We offer an outstanding team environment, flexible working hours, and various opportunities to advance your career. We are looking for a long-term relationship and committed individuals to join our team. This position is based out of our development centre in Pune, India.
Responsibilities
- Work as part of a team developing applications and services using Agile development methods
- Contribute to team and organizational improvements in process and infrastructure
- Effectively use tools and ingenuity to identify and fix defects before they become a problem
- Creating self-contained, reusable, and testable modules and components
- Learn about the domain and competitors to propose new drone apps as well as improvement for existing apps
- Collaborate on projects with a closely knit team
As a Front End Developer
- Delivering a complete front end application
- Ensuring high performance on mobile and desktop
- Writing tested and documented TypeScript/JavaScript, HTML and CSS
- Coordinating the workflow between the graphic designer, the backend developers, and yourself
- Cooperating with the back-end developer in the process of building the RESTful APIs
- Make design and technical decisions for Angular projects.
- Communicating with external web services
- Develop and maintain web apps using our FlytAPIs
As a Back End Developer
- Integration of user-facing elements developed by front-end developers with server side logic
- Design and implementation of low-latency, high-availability, and high-performance applications
- Implementation of security and data protection
- Writing reusable, testable, and efficient code
Skills/Experience
- 1-4 yr experience as an Angular 2+ or React or Ionic Developer.
- Strong expertise with NodeJS, HTML5, CSS, JSON, jQuery, Bootstrap and writing cross-browser compatible code.
- Knowledge of NodeJS frameworks such as ExpressJS etc.
- Knowledge of Creating RESTful services with Node.js and Experience with Socket.io
- Good understanding of HTML Dom manipulation Techniques
- User authentication and authorization between multiple systems, servers, and environments
- Understanding of fundamental design principles behind a scalable application
- Proficiency working with source control (git) / versioning systems, continuous integration in an agile development setup
- Strong analytical skills and problem solving aptitude
- Attention to details
- Team player
- Good time-management skills
- Great interpersonal and communication skills
Good to Have
- Understanding of how to deploy Mean stack applications in AWS/Azure deployment environment, considering security, reliability, etc.
- Knowledge of other python-based server side frameworks such as Flask or Django.











