
Role Overview
At Cubic Transportation Systems, the P3 Senior Software Engineer (MERN Stack) is a strong full-stack individual contributor responsible for building and maintaining reliable, scalable applications that support mission-critical transportation platforms used globally.
This role focuses on feature ownership, execution excellence, and high-quality delivery within established architectural patterns.
Key Responsibilities
- Develop and maintain full-stack applications using MongoDB, Express.js, React, and Node.js
- Build responsive and accessible React-based user interfaces
- Design and implement RESTful APIs and backend services
- Own assigned features end-to-end, from development to production support
- Write clean, testable, and maintainable code
- Participate actively in code reviews and design discussions
- Debug and resolve issues across frontend, backend, and database layers
- Collaborate with QA, DevOps, and System Engineering teams for releases
Required Skills & Experience
- 6–8 years of professional software engineering experience
- Strong hands-on experience with React (hooks, component architecture, state management)
- Solid backend experience using Node.js and Express.js
- Experience with MongoDB (schema design, queries, basic performance tuning)
- Experience building and consuming RESTful APIs
- Familiarity with authentication, authorization, and RBAC
- Experience working in Agile development environments
- Proficiency with Git and modern development workflows
Success in This Role
- Delivers complex features independently and reliably
- Maintains high code quality and follows engineering standards
- Demonstrates clear ownership of assigned modules or services
- Escalates risks and dependencies proactively

About MARS Telecom Systems
About
MARS Telecom Systems (CMMi Level 3 & ISO 9001:2000 certified) is a trusted product development solutions company with over 11 years of experience delivering cutting-edge projects across telecom, networking, enterprise mobility, eGovernance, and custom application development.
With 175+ successful projects executed, MARS combines mature processes, global delivery models, and state-of-the-art development centers in Hyderabad and Bangalore to provide scalable, reliable, and innovative solutions.
Why Clients Choose MARS
- Proven Global Engagements: Strong track record of managing complex international projects by blending deep local market knowledge with technical expertise.
- High-Caliber Talent & Culture: Experienced software engineers working in a collaborative, quality-driven culture.
- Flexible Delivery Models: Engagements tailored to meet client needs — from product development to independent QA.
- Innovation with R&D Strength: Significant R&D capabilities ensuring speed, cost efficiency, and market-ready solutions.
Our Value Proposition
In a world where businesses struggle to keep pace with rapid technological change, MARS helps enterprises stay competitive by enabling:
- Cost efficiency without compromising quality.
- Faster time-to-market with agile and proven execution practices.
- Enhanced product worthiness through continuous innovation and quality assurance.
Our unwavering professionalism, unique insights, and commitment to excellence have consistently helped clients reduce costs, accelerate delivery, and increase market impact.
Tech stack
Candid answers by the company
MARS Telecom Systems is a product development and IT solutions company.
They specialize in:
- Telecom and networking solutions
- Enterprise mobility and eGovernance applications
- Custom software and product development
- Independent QA and testing services
In short, They help businesses build, test, and deliver technology products faster and cost-effectively, leveraging their R&D and experienced engineers
Similar jobs
What you’ll do
- Build and scale backend services and APIs using Python
- Work on cross-language integrations (Python ↔ PHP)
- Develop frontend features using React (Angular is a plus)
- Deploy, monitor, and manage applications on AWS
- Own features end-to-end: development, performance, and reliability
- Collaborate closely with product, QA, and engineering teams
Tech Stack
- Backend: Python (working knowledge of PHP is a strong plus)
- Frontend: React (Angular is a plus)
- Cloud: AWS
- Version Control: Git / GitHub
Experience
- 5–10 years of professional software development experience
- Strong hands-on experience with Python
- Hands-on experience deploying and managing applications on AWS
- Working knowledge of modern frontend frameworks
About the job
Key Responsibilities
1. Design, develop, and maintain dynamic, responsive web applications using React.js and Node.js.
2. Build efficient, reusable front-end and back-end components for seamless performance.
3. Integrate RESTful APIs and third-party services.
4. Collaborate with UI/UX designers, mobile teams, and backend developers to deliver high-quality products.
5. Write clean, maintainable, and efficient code following modern coding standards.
6. Debug, test, and optimize applications for maximum speed and scalability.
7. Manage databases using MongoDB and handle cloud deployment (AWS, Firebase, or similar).
8. Participate in code reviews, architectural discussions, and agile development cycles.
Required Skills & Experience
1. 1-5 years of proven experience in Full Stack Web Development using the MERN stack.
2. Proficiency in React.js, Node.js, Express.js, MongoDB, and JavaScript (ES6+).
3. Strong understanding of HTML5, CSS3, Bootstrap, and Tailwind CSS.
4. Hands-on experience with API design, state management (Redux, Context API), and authentication (JWT/OAuth).
5. Familiarity with version control tools (Git, Bitbucket).
6. Good understanding of database design, schema modeling, and RESTful architecture.
7. Strong problem-solving skills and ability to work in a collaborative team environment.
Perks & Benefits
- Onsite opportunity in our modern Greater Noida office.
- Competitive salary based on skills and experience.
- Exposure to real-world projects and latest tech stacks.
- Work with a creative and talented team.
- Career growth opportunities in full-stack and cross-platform development.
Benefits:
- Health insurance
- Leave encashment
- Paid sick time
- Paid time off
- Work from home
Application Question(s):
- How many years of _____ experience do you have?
- What is your current CTC?
- What is your expected CTC?
Senior Software Engineer.
- A degree in Data Science, Artificial Intelligence, Computer Science, or a related field
- Strong proficiency in Python, with a solid understanding of object-oriented programming principles.
- Proven experience in developing applications powered by Large Language Models (LLMs).
- Demonstrated experience in building and maintaining robust ETL (Extract, Transform, Load) data pipelines.
- Ability to build full-stack applications using JavaScript; experience with modern frameworks like React and Next.js is highly desirable.
- A pragmatic and self-starting individual, capable of executing tasks effectively with minimal supervision.
- Experience developing modern frontend applications, with specific expertise in using Web Components.
- Knowledge of simulation principles and discrete optimisation techniques.
- Relevant professional certifications in AI, Machine Learning, or cloud platforms are a plus.
Experience
- Proven track record building AI (e.g. LLM-powered solutions, Agent-Based Applications), data science, or numerical computing projects end-to-end—from initial concept through to deployment and maintenance.
- Extensive hands-on experience (4+ years) with core technologies, including:
- Advanced Python, utilising libraries such as NumPy, Pandas, and frameworks for multiprocessing and asynchronous programming.
- Relational database management systems.
- Development and deployment within Linux environments.
- Collaborative development workflows using Git.
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.
String core PHP Hands-on experience.
Strong Expertise in CodeIgniter Framework.
Good Knowledge of PHP, MySQL, jQuery, Javascript, HTML5, CSS3, JSON
Sound knowledge of database designing and application architecture planning.
Good debugging skills.
A good understanding of asynchronous request handling, partial page updates, and AJAX will be preferred.
Basic UI Designing using Bootstrap and Jquery.
Node Js
Knowledge of Node.js and frameworks available for it, such as Express JS, Strong Loop, etc
Understanding the nature of asynchronous programming and Promises and its quirks and workarounds
Good understanding of server-side templating languages (such as Jade, EJS, etc depending on your technology stack)
Basic understanding of front-end technologies, such as HTML5, CSS3, and Bootstrap
Understanding accessibility and security compliance
User authentication and authorization between multiple systems(Internal or Third-party), servers, and environments
Integration of multiple data sources and databases into one system
Understanding fundamental design principles behind a scalable application
Proficient in code versioning tools, such as Git or TFS
Freeswitch, MYSQL
Good to have knowledge
Redis, Ubuntu, OpenSips, WebRTC
Introduction:
We are seeking a Full Stack Software Developer to join our innovative team, focusing on a project in the Food & Beverage (F&B) sector and contributing to an established Financial Services product. The ideal candidate will have extensive experience in both backend and frontend development, particularly with Python and ReactJS, and a proven ability to deliver mobile-responsive web applications.
Key Responsibilities:
- Develop and maintain web applications using Django or similar MVC frameworks.
- Design and implement mobile-responsive web pages using frontend technologies such as ReactJS.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Ensure the performance, quality, and responsiveness of applications.
Required Skills and Qualifications:
- Minimum of 3 years of experience in full stack development.
- Proficient in Python and experience with Django or other MVC frameworks.
- Strong experience in building mobile-responsive web pages using frontend technologies such as ReactJS.
- Familiarity with RESTful APIs and server-side integrations.
- Understanding of the entire web development process (design, development, and deployment).
- Excellent problem-solving skills and ability to work under tight deadlines.
What We Offer:
- Competitive salary and benefits package.
- Opportunities for professional growth and development.
- A collaborative and innovative work environment.
Profile: Full Stack Developer
Company: Axtechnosoft Pvt.Ltd (Website: https://axtechnosoft.com/">https://axtechnosoft.com/, http://www.daxsws.com/">http://www.daxsws.com )
Location: Remote/WFH
Salary: Best in Industry
Must have: -
- Total experience of 4-6 years while the relevant experience of at least 2 years.
- Proven experience as a Full Stack Developer or similar role
- Experience developing web applications.
- Familiarity with common stacks
- Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
- Knowledge of multiple back-end languages (e.g. Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)
- Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache), and UI/UX design
- Experience in building and using API’s.
- Excellent communication and teamwork skills
- Understanding of Software Engineering best practices.
- Previously worked on user-facing products with scale.
- Great attention to detail.
- Organizational skills
- An analytical mind
Good to have: -
- Working knowledge of React Red.
- DevOps experience working with AWS / Other cloud platforms.
- Degree in Computer Science, Statistics or relevant field.
- Open-source contributions with a GitHub link is a plus.
- Working knowledge of AI/ ML.
- Agile methodology.
- Experience working in a start-up environment.
Key Skills
Angular JS
Node.js
Framework
Automation framework
UX / UI Design
Reactor & Solids Processing
You have to develop web & mobile applications, and progressive web application - cross-platform for all browsers and all devices.
Looking for a full-stack developer who must have experience in Angular and Progressive Web Apps (PWA).
Experienced with all the following Front-End technologies: HTML5, CSS3, JavaScript, jQuery.
Experience in any backend language like Java/ PHP/ASP.NET ( Nice to have)
Comfortable with the development process using GitHub as a repo.
Experienced at managing the deployment of applications with minimal / zero impact to users.
- Building interactive healthcare advertising application in MEAN stack and RESTfully abstract to the UI through a Node.js backend
- Defining code architecture decisions to support a high-performance and scalable product with a minimal footprint
- Addressing and improving any technical issues
- Collaborating well with engineers, and researchers to design and create advanced, elegant and efficient systems











