Backend Developer - Node.JS - AirFi
AirFi is a market leader in providing portable Onboard Passenger Entertainment and Mobile Crew Sales Solutions to various passenger travel segments. Founded in 2011 in The Hague, Netherlands - AirFi is the world's fastest-growing company in mobile InFlight Entertainment space and in providing ancillary sales solutions to enterprise customers.
AirFi brings disruptive innovations in a cost-effective manner to the airline cabin and other modes of passenger transport mediums and is making thousands of passengers and crew happy every day all over the globe!
Your key responsibilities
- Responsible for ideating, designing, developing, and supporting the backend services of AirFi web apps for different modes of passenger transport including major airlines across the world.
- Manage your components independently, including but not limited to: gather requirements; communicate design decisions to cross-functional teams including data science, engineering, analytics, and operations; proactively seek user feedback.
- You will help AirFi to quickly iterate and scale web app development to different segments of customers with standard processes, automation, monitoring, and rapid quality assurance.
- Proactively monitor the web apps space for continuous improvements and optimisations, looking for new opportunities and challenges.
What we look for
- Exposure to product development, self-driven, highly motivated and you must be independent in managing on your own components or features
- You must be extremely collaborative and enjoy working cross-functionally with other engineers, designers, and stakeholders
- You must possess an affinity for metrics and analytics - You must be proactive and must move fast or pivot to meet the changing needs of the product
- You are a problem solver and can use everything from front end to command-line tools to help you identify and fix issues.
- You should be diligent, thoughtful, have an eye for detail and have great oral and written communication skills
- Work with product and engineering teams on different data driven products and help drive/implement the Data flows for the same.
- Designing, integrating and documenting technical components for seamless data extraction and analysis
Must have technical skills
- MUST: Experience in Javascript or any modern-day JS frameworks - 7+ years
- Experience NodeJS, MongoDB or any other NoSQL DB - 7+ years
- Experience on building RESTful services and MVC patterns - 5+ years
You get bonus point for
- Responsive web-frameworks (e.g. Foundation, Bootstrap)
- Experience in AngularJS, React, etc - 2+ years
- Linux skills (we run on embedded Linux)
- Expertise HTML5, CSS,
- Experience on Cloudant, AWS, GCP etc.
- Experience on eCommerce or payments related domains
What you can expect
We promise to provide opportunities that not only satisfy your creative instincts but also let you make a significant impact on the products that we create and ultimately the business we are in. We provide a great platform to take up multiple roles based on individual interests or skills and collaborate with different global teams. We boast of a professional, fun work environment with a flat hierarchy and super supportive people to work with. We also encourage a work culture where - no idea is a bad idea and the team can shout it out to be heard!
What more do we offer?
Some of our benefits that our employees cherish:
- Flexible work timings, remote working and work from home options
- Liberal employee policies including genuine open-door policy and special focus on keeping the work culture non toxic
- A very liberal leave policy that includes paternity, adoption and sabbatical leaves
- We provide Skill enhancement sponsorships
- Celebratory team events, regular team virtual GupShups and fun engagement activities including the annual team (destination) meetings and the annual family gala dinner!
- Meal coupons and random gift vouchers
- Career longevity perks and so on!
When we're in office some of the things that make AirFi an interesting place to work are - healthy breakfast, snacks and a fully loaded pantry (read: health alert!); we try to keep AirFi as a fun place to work at and have interesting team activities on Fridays with occasional beers.
You get the opportunity to work and socialise with our global team when they visit or when you visit our customer offices/hangers. Last but not the least, in case you are an aviation geek - the opportunity to be on test flights and learn how the aviation industry works!
Follow and engage with Us!
- https://www.linkedin.com/company/airfi">LinkedIn
- https://www.facebook.com/AirFi.aero">Facebook
- https://twitter.com/airfi_aero">Twitter
- http://airfi.aero/">Website

About AirFi Aero
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Skills-
PHP, Laravel, Codeigniter, Javascript, Node.js (Min 3 project), Jquery, AJAX, My SQL, MongoDB, Bootstrap, React.js/Angular.js (Advantage)
Job description
- Develop Backend & Rest API using MVC Pattern in PHP/Laravel/Node.js.
- Building reusable code and libraries for future use.
- Optimization of the application for maximum speed and scalability.
- Implementation of security and data protection.
- Design and implementation of data storage solutions.
- Manage Team with responsibility and help them in Technical solution.
- Project timeline estimation and deliver the project within the deadline.
- Experience in AWS Server.
Required Candidate profile
- 4+ years of development experience building Backend, REST APIs with any PHP MVC Framework, preferably Laravel and CodeIgniter extensive knowledge of how web semantics translate into a REST API
- Expertise working with data structures and algorithms.
- Proficiency in object-oriented programming and experience applying modern design patterns
- Proficiency with MVC Architecture.
- Has a strong hold on database Mysql/MongoDB.
- Has a strong hold on server deployment and debugging.
- Write clean, well-designed code in Laravel/Node.js
- Troubleshoot and test core product software to ensure strong optimization
- Contribute to all phases of the development lifecycle
- Experience using Git.
- Able to solve complex problems and create optimized code for high traffic websites
- Experience in third-party APIs integration.
- Good understanding of design patterns.
- Experience in React.js/Angular.js.
- Experience in any PHP unit testing.
We build apps that solve real problems for merchants. From powering Shopify apps to mobile and serverless applications, our products help businesses grow, operate efficiently, and deliver better customer experiences.
We are looking for a Junior Backend Engineer who can contribute to building scalable, secure, and performant systems while learning and growing in a fast-paced startup environment.
Responsibilities
- Develop, maintain, and optimize backend services for our Shopify apps, mobile apps, and serverless applications.
- Write clean, efficient, and testable code primarily in Node.js and TypeScript.
- Work with relational (MySQL) and non-relational (NoSQL) databases to design and optimize data models.
- Collaborate with cross-functional teams (frontend, mobile, product, and QA) to deliver features end-to-end.
- Use Git for version control and follow collaborative workflows (PRs, code reviews).
- Track and manage tasks using Jira or similar project management tools.
- Participate in code reviews, debugging, and performance tuning.
- Contribute to documentation and maintain best practices.
Must-Have Skills
- 1–3 years of professional backend development experience.
- Strong proficiency in Node.js and TypeScript.
- Hands-on experience with MySQL and at least one NoSQL database (MongoDB, DynamoDB, etc.).
- Proficiency with Git and collaborative development workflows.
- Experience with Jira (or similar tools like Trello, Asana, ClickUp).
- Hands-on experience with popular Gen AI tools (ChatGPT, Claude, etc.) for productivity and problem-solving.
- A solid understanding of core engineering concepts (data structures, algorithms, design patterns, scalability).
Good-to-Have Skills
- Laravel (PHP) exposure for legacy app support.
- Familiarity with React.js or Remix for full-stack contributions.
- Working knowledge of Python for scripting or backend services.
- Basic understanding of AWS (Lambda, S3, API Gateway, etc.).
What We Offer
- Hybrid work setup – flexibility with office collaboration in Pune, Maharashtra.
- Opportunity to work on cutting-edge apps across Shopify app ecosystem, mobile, and serverless stacks.
- Small, passionate team with direct ownership of projects.
- Fast learning curve and growth opportunities in a startup culture.
Job Summary:
We are seeking a dynamic and highly skilled Full Stack Developer with 3-5 years of experience to join our client's team. The ideal candidate will be working with a leading MNC client in the health insurance domain. This role is based in Gurugram and requires candidates to work from the office, Monday to Friday. You will play an integral role in developing and enhancing applications using Node.js, TypeScript, PostgreSQL, and MongoDB.
Responsibilities:
- Design, develop, and maintain scalable applications using Node.js and TypeScript.
- Build and optimize RESTful APIs and backend services.
- Collaborate with cross-functional teams to deliver high-quality products and services.
- Work with PostgreSQL and MongoDB databases for efficient data management and retrieval.
- Ensure the performance, quality, and responsiveness of applications.
- Troubleshoot, debug, and upgrade existing systems and platforms.
- Implement best practices for security, code quality, and performance optimization.
- Participate in code reviews and provide mentorship to junior developers.
Requirements:
- Experience: 3-5 years of hands-on development experience with Node.js, TypeScript, PostgreSQL, and MongoDB.
- Technical Skills:
- Proficiency in Node.js and TypeScript for building scalable web applications.
- Strong experience working with PostgreSQL and MongoDB databases.
- Hands-on experience in building RESTful APIs and microservices architecture.
- Knowledge of best practices in application development, security, and performance tuning.
- Familiarity with version control tools like Git.
- Preferred:
- Experience in the health insurance or fintech domain.
- Ability to work in an agile environment with fast-paced deliverables.
- Excellent communication and collaboration skills.
Soft Skills:
- Strong problem-solving skills and ability to troubleshoot complex issues.
- Ability to work in a team and independently when required.
- Adaptability and willingness to learn new technologies.


About the Role
We are seeking a highly skilled and motivated Senior Backend Developer with strong expertise in Node.js and AWS to join our dynamic team. The ideal candidate will have solid backend development experience, with additional working knowledge of PHP and Python. Exposure to frontend frameworks like React.js and Angular will be considered a strong advantage.
Key Responsibilities
• Design, develop, and maintain scalable backend systems and APIs using Node.js.
• Deploy, manage, and optimize applications on AWS cloud infrastructure.
• Collaborate with cross-functional teams (frontend, product, QA) to deliver end-to-end solutions.
• Ensure application performance, security, and scalability.
• Write clean, maintainable, and testable code following industry best practices.
• Work with databases (SQL/NoSQL) to design efficient data models and queries.
• Integrate third-party services and APIs when required.
• Contribute to code reviews, technical discussions, and mentoring of junior developers.
• Support continuous integration and deployment pipelines.
• Troubleshoot, debug, and optimize existing applications.
Requirements
• 4+ years of backend development experience.
• Strong expertise in Node.js and hands-on experience with AWS services (EC2, S3, Lambda, etc.).
• Good working knowledge of PHP and Python.
• Strong understanding of RESTful API design, microservices architecture, and databases (MySQL, PostgreSQL, or MongoDB).
• Working knowledge of React.js and Angular is preferred.
- Rewrite existing APIs in NodeJS.
- Remodel the APIs into Micro services-based architecture.
- Implement a caching layer wherever possible.
- Optimize the API for high performance and scalability.
- Write unit tests for API Testing.
- Automate the code testing and deployment process.
Skills Required:
- At least 2 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
- Excellent hands-on experience using MySQL or any other SQL Database.
- Good knowledge of MongoDB or any other NoSQL Database.
- Good knowledge in postgre
- Good knowledge of Redis, its data types, and their use cases.
- Experience with graph-based databases like GraphQL and Neo4j.
- Experience developing and deploying REST APIs.
- Good knowledge of Unit Testing and available Test Frameworks.
- Good understanding of advanced JS libraries and frameworks.
- Experience with Web sockets, Service Workers, and Web Push Notifications.
- Familiar with NodeJS profiling tools.
- Proficient understanding of code versioning tools such as Git.
- Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
- Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
- Experience building a large scale social or location-based app


Location: Chennai, Pune,Banglore,jaipurExp: 5 yrs to 8 yrs
- Implement best practices for the engineering team across code hygiene, overall architecture design, testing, and deployment activities
- Drive technical decisions for building data pipelines, data lakes, and analyst access.
- Act as a leader within the engineering team, providing support and mentorship for teammates across functions
- Bachelor’s Degree in Computer Science or equivalent job experience
- Experienced developer in large data environments
- Experience using Git productively in a team environment
- Experience with Docker
- Experience with Amazon Web Services
- Ability to sit with business or technical SMEs to listen, learn and propose technical solutions to business problems
· Experience using and adapting to new technologies
· Take and understand business requirements and goals
· Work collaboratively with project managers and stakeholders to make sure that all aspects of the project are delivered as planned
· Strong SQL skills with MySQL or PostgreSQL
- Experience with non-relational databases and their role in web architectures desired
Knowledge and Experience:
- Good experience with Elixir and functional programming a plus
- Several years of python experience
- Excellent analytical and problem-solving skills
- Excellent organizational skills
Proven verbal and written cross-department and customer communication skills
- Developing and maintaining all server-side network components.
- Ensuring optimal performance of the central database and responsiveness to front-end requests.
- Collaborating with front-end developers on the integration of elements.
- Designing customer-facing UI and back-end services for various business processes.
- Developing high-performance applications by writing testable, reusable, and efficient code.
- Implementing effective security protocols, data protection measures, and storage solutions.
- Running diagnostic tests, repairing defects, and providing technical support.
- Documenting Node.js processes, including database schemas, as well as preparing reports.
- Recommending and implementing improvements to processes and technologies.
- Keeping informed of advancements in the field of Node.js development.

The B2B manufacturing industry has a lack of digitisation globally. NowPurchase is building layers of technology to help improve the productivity and profits of the manufacturer. For this we are building the OS (Operating System) that will seamlessly connect factory equipment such as furnaces and spectrometers to our software systems that provide real time optimisations.
The end-game is to use this interconnected system to do great production planning and autonomous procurement of their raw materials. The Heart of NowPurchase will be a marketplace consisting of these smart factories and raw material suppliers.
Here a video that explains our product journey:
https://www.loom.com/share/ccd0ed9e7bc349d7bba851d762253c21">https://www.loom.com/share/ccd0ed9e7bc349d7bba851d762253c21
This is fully a remote role, but the employer needs to fly down to the office in Kolkata for 5–6 days every month. Plane tickets and accommodation will be reimbursed by the company.
Role Description
NowPurchase is looking to add an immensely talented Senior Backend Engineer that will help us invent, design, refine and deliver products that will meet the above vision.
- Expect to build a lot of services and APIs in the cloud and stand-alone IoT devices to serve both the browser as well as native IoT enabled terminals that will be placed at the manufacturers' premises.
- Expect designing algorithms that model the metallurgy of the manufacturing processes as well as using tools such as linear programming, machine learning etc.
- You need to lead the backend team to make sure they are delivering high quality code and is constantly inspired to experiment with tools to push out MVPs.
What are the expectations from this role?
- Deliver high quality modular code deployed to serve web, mobile and native IoT enabled terminals that leverage REST-based services and real time sockets. This would include algorithms for real time optimizations that are critical for the manufacturing process.
- You are empowered to work directly with leadership and the product team to make decisions about your code and future of the product.
- Have a strong emphasis on shipping features quickly without sacrificing code quality. Be ready to build a lot of MVPs that will go through iteration or be completely scrapped depending on the outcome at the customer end.
- Own your Agile projects and lead the team from software design to implementation and deployment. Maintain sprints, delivery timelines and contribute to better managing the engineering team.
- Collaborate on the end to end design and implementation of the platform, including data modeling, systems architecture, data security, access controls, architecture, user experience, deployment, automation, and monitoring.
- Maintain a high level of data integrity, quality and security checks.
- Develop data pipelines and RESTful services that are distributed, robust and highly performant.
- Build a culture of simplicity and pragmatism, which is reflected in your elegant code that other developers emulate and you ensure through thorough code reviews and processes.
Qualifications and Experience
- 4+ years of demonstrated software engineering experience in an agile environment designing, architecting and implementing robust scalable systems preferably for modern SaaS application
- 1+ years of technical leadership experience
- Experience with modern server-side programming languages such as Python, Scala, Go. Experience with web frameworks such as Django Rest Framework, Flask.
- Experience with architecting asynchronous services with design patters leveraging PostgreSQL, MongoDB, Redis, Celery for storage and multi-tenant servers over AWS Elastic BeanStalk.
Compensation & Benefits
- **Cash Compensation:** As per industry standards & pedigree of candidate
- **ESOPs:** 10% of NowPurchase is dedicated to current & future team members. Your package would entail some ESOPs so that you own a part of the company and grow along with it.
- **Medical Insurance:** Benefits of group insurance of 3 lakhs for family including parents, spouse, children
- **Generous leave structure and WFHs** including Marriage, Maternity & Paternity leaves
- **Complete Relocation Expenses:** We are building a unicorn out of the city of Joy (Kolkata). We will pay for everything you spend to relocate here.
**Possible Growth path**
Senior Backend End Engineer > Engineering Manager > VP of Engineering
**Tech Stack**
- React/Redux
- Python/Django/Celery
- Git, AWS, ELB (Elastic Beanstalk), Netlify
- PostgreSQL/Redis/S3
## **Hiring Process**
1. Screening of applicants & initial telephonic call with Manager -HR
2. F2F/Video Interview with Engineering Manager and Cofounder CTO
3. Take home written assessment
4. F2F/Video Interview with Cofounder CEO
5. Email communication on final feedback
The end to end process shall take less than 10 days. We pride ourselves on being transparent & moving fast.
*Candidates who accept an offer may join within 1 hour, 1 week or up to 45days of signing - though, we have a preference for as short a gap period between signing and joining since we're at the most exciting part of our journey - laying the foundation for the NowPurchase platform!*

- Should have experience in supporting the application and infrastructure 24x7.
- Should have good working knowledge on troubleshooting skills of Operating Systems (Linux/Windows)
- Good experience on Java/j2EE application supporting and AWS infra supporting.
- Ability to work with 3rd parties/FOPS and provide required instruction to troubleshoot and restore faults.
- Respond quickly and effectively to production issues, troubleshooting solutions, and taking responsibility for seeing those solutions through resolution.
- Identify root cause and corrective actions for highly complex availability, capacity, security, performance, and quality issues affecting the database.
- Strong knowledge of Linux/Unix operating system.
- Good knowledge in scripting languages like Shell, Python.
- Good Knowledge on Databases like Mongo, Mysql, SQL Server.
- Respond to alerts and take corrective action to ensure the high-availability of our production environments and participate in an after-hours on-call rotation.
- Experience/Knowledge of other cloud platforms (Azure, Google Cloud) is a plus
- Strong verbal and written communications skills are a must
- Must have production support experience as the requirement is 24X7X365 production support.




