
- In-depth knowledge of Node.js and frameworks available for it.
- Understanding the nature of asynchronous programming and its quirks and workarounds.
- Good understanding of server-side templating languages.
- Good understanding of server-side CSS pre-processors.
- Basic understanding of front-end technologies, such as HTML5, and CSS3.
- Understanding of accessibility and security compliance.
- User authentication and authorization between multiple systems, servers, and environments.
- Integration of multiple data sources and databases into one system.
- Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform.
- Proficient understanding of code versioning tools, such as Git.
Benefits :
- Become one of the early members of a fast-growing, exciting startup.
- Have a real impact on the company's growth and evolution.
- Work on a wide variety of projects which are often ground upbuilds.

About Matellio India Private Limited
Similar jobs
About the Role
We are looking for a highly skilled and experienced Senior React Native Developer with backend experience to join our team and lead the development of our cross-platform mobile application and its supporting backend services. You'll play a pivotal role in building, launching, and scaling a high-performance app that runs seamlessly on both iOS and Android — all from a single codebase — while also architecting and maintaining robust backend infrastructure in Node.js.
If you're passionate about mobile technologies, experienced in backend systems, and excited about building high-quality products from the ground up, we’d love to hear from you Responsibilities
- Lead the end-to-end development of a cross-platform mobile application using React Native.
- Build and maintain backend services and APIs using Node.js, ensuring scalability and performance.
- Collaborate with product managers, designers, and other engineers to deliver intuitive and seamless user experiences.
- Design and implement secure, reusable, and modular components (both frontend and backend).
- Optimize app and API performance across a wide range of devices and platforms.
- Ensure app and backend compliance with modern security, performance, and design standards.
- Set up and manage CI/CD pipelines for both frontend and backend (e.g., Fastlane, EAS, GitHub Actions).
- Integrate third-party APIs, services, analytics, push notifications, and more.
- Manage app store submissions and backend deployments.
- Mentor junior developers and contribute to establishing mobile and backend development best practices.
Requirements
Must-Have:
- 5+ years of experience in full-stack or mobile application development.
- 3+ years of hands-on experience with React Native.
- 2+ years of experience working with Node.js for backend development.
- Strong understanding of JavaScript (ES6+), TypeScript, and modern React architecture.
- Experience designing and integrating RESTful APIs, managing authentication, and handling network issues.
- Deep knowledge of mobile app development lifecycle for both iOS and Android.
- Familiarity with native build tools (Xcode, Android Studio).
- Solid grasp of mobile UI/UX principles and performance optimization techniques.
- Proficiency with Git, GitHub/GitLab, and agile workflows.
- Experience with features like push notifications, deep linking, in-app purchases, and analytics SDKs.
Preferred:
- Experience with Expo or EAS for managed workflows.
- Knowledge of CI/CD tools (Fastlane, Bitrise, GitHub Actions, etc.).
- Exposure to native modules (Objective-C/Swift and Java/Kotlin).
- Familiarity with automated testing frameworks (Jest, Detox, etc.).
- Experience publishing apps to the App Store and Google Play.
- Prior experience in startups or high-growth product environments.
- Working knowledge of databases (e.g., MongoDB, PostgreSQL) and cloud infrastructure (e.g., AWS, Firebase).
What We Offer
- Opportunity to lead and build a product end-to-end — frontend and backend.
- Work with a dynamic, high-performing team in a fast-paced, collaborative environment.
- Remote-first culture with flexible working hours.
- Competitive salary and equity options (if applicable).
- Dedicated learning and development budget to help you grow.
You will break down business opportunities and problems into software solutions. You will work closely with the CTO to help product and marketing stakeholders distill the product vision and roadmap, into a technology vision. You will be responsible for the evolution of an already bleeding-edge highly distributed systems at the back-end, and would need to work withfront-end architects to come up with the best user experience for the gaming platform. You will be required to make decisions quickly, and work under strict timelines. You would lead technology strategy through analysis of market trends and product requirements. You would help set coding guidelines and help bring the most modern tools to keep engineering processes most efficient.
Requirements:
● B.E/MS in Computer Science or equivalent.
● 10+ years or more of progressive software technology experience with at least 3 years
in an architectural role.
● Completely hands on with technology and architecture. Start-up experience is a huge
plus.
● Ability to quickly prototype and demonstrate technology value adds and educate + drive
adoption within the extended technology team
● Excellent and robust understanding of scalable product system architecture(s),
platforms and core technologies
● Demonstrated problem-solving and leadership skills to pursue correct engineering
process in adverse conditions. Ability to embrace and demonstrate leadership beyond
ownership
● Work with engineering leadership to setup and manage processes.
● Track record of thought leadership and out of the box thinking in the technology arena.
● Ability to work efficiently in an entrepreneurial and in a start-up environment
● A Java/Spring/Akka, Javascript or Golang rockstar.
● Deep and hands on knowledge of some of these technologies - MySQL, NodeJS,
message brokers such as Kafka/RabbitMQ, NoSQL datastore such as Mongo, Cassandra,
Arango, distributed caches such as Redis/memcached, container technology such as
Docker and Kubernetes etc.
● Great proficiency in distributed systems design, with an ability to make the right
trade-offs for creating future-proof solutions.
● Building quick PoCs and full-fledged solutions with various AWS managed services would
be a big plus.
We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.
Responsibilities
- 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.
Requirements
- At least 1 - 3 years experience as a Node.js developer.
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
- Knowledge of front-end technologies such as HTML5 and CSS3.
- Superb interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
- Great organizational and time management skills.
- Availability to resolve urgent web application issues outside of business hours.
Key Skill
Node.Js, Object Oriented Programming, Java Script, HTML/HTML5, CSS/CSS3
Java/J2EE with strong SpringBoot
Very good knowledge of using annotations with SpringBoot
Very good knowledge of using java functional programming concepts in
SpringBoot
Should have database knowledge
Knowledge of Spring Cloud would be a plus.
ROLES & RESPONSIBILITIES
Hands-on experience in Core Java, J2EE, Jasper, Spring, Spring Boot,
Spring Security.
Hands-on experience in Front-end technologies like JavaScript
Understanding of HTML5, CSS3, BootStrap, Material UI, and CSS preprocessors including Sass and LESS.
Understanding of basic prototype design and UI /UX design.
Exposure to working with datastores - SQL or NoSQL.
Good understanding of coding standards & best practices.
Good communication skills
Vah Vah! is an ed-tech company that offers online makeup courses in micro-batches to students across India to learn from the leading teachers in top cities. We provide holistic education with lots of practical training that makes our students job-ready with not just the base skills but also the soft skills for great customer service. Our teachers have more than 15+ years of experience in training makeup and have certified more than 1000+ students. Vah Vah! is founded by executives with extensive experience running consumer business and mobile games at scale (over 100 million players) at Zynga. Vah Vah! is backed by a leading investment firm.
Website Link: https://vahvah.com/
The Mission
Vah Vah teaches professional makeup to budding makeup artists and influencers through live online classes. We have students from Srinagar, all the way to the Andamans. And experienced teachers who have worked in Bridal Makeup, Ramp Shoots, Film and more. We empower our students to join the workforce as fully trained makeup artists. This is the future of vocational education, and you can help build it.
Our Culture
- Amazing workplace and colleagues to work with
- We have the right mixture of creativity, analytics and hustle to move fast in the right direction.
- You will work with colleagues who don’t take themselves too seriously but move mountains.
- See yourself evolving every month with new problems to solve and new skill to master.
- Work with the smartest engineers so you can learn from them.
- Competitive salary at par with the best in the industry
- Great stock options so you can benefit from the company's growth.
- Immense exposure to new technologies
Responsibilities:
- Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement.
- Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
- Participating in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team members. Taking lead on projects, as needed.
Requirements:
- Overall experience of 2-5 years in building backend services using languages like NodeJs, Java etc
- Fluency or understanding of specific languages, such as Java, Node.Js, Python, and operating systems may be required.
- Strong understanding of the web development cycle and programming techniques and tools.
- Focus on efficiency, user experience, and process improvement.
- Strong problem solving and verbal and written communication skills.
- Ability to work independently or with a group.
- Sound knowledge on source control and DevOps
What you get:
- Amazing workplace and colleagues to work with
- Competitive salary at par with the best in the industry
- Immense exposure to new technologies
HealthifyMe is a Health Tech Startup on a mission to make healthy living easy, fun and affordable for everyone by providing tech-enabled solutions. Founded in 2012, HealthifyMe is now India's largest and most loved health/fitness app with over 3 million users. The company helps consumers manage their health and fitness with diet and exercise tracking through a mix of technology intervention and human experts/coaches backed with artificial intelligence. HealthifyMe is co-founded by Tushar Vashisht (UPenn graduate, ex UID) and Sachin Shenoy (ex Google), and was incubated by Microsoft Accelerator. HealthifyMe is the highest rated app on Google Play with a rating of 4.6/5 and has been featured by Google and Apple multiple times for its quality benchmarks. The company, delivers measurable results on eating habits, fitness, and weight and is a platform of choice by leading Corporates and Healthcare partners in India.
Leadership Skill
- Technically hands on.
- Have previous experience of leading teams.
- Have experience with agile process, and ability to guide the team to follow the process.
- Comfortable in chaotic & high-energy, high-stakes start-up environment.
- Hates wasting time in unproductive meetings, and prefers getting quick consensus to move ship forward.
- Prefers delivering in production than spending time in meeting.
- Able to technically mentor team and guide them to high performance.
Technical Skills
- Loves solving technically hard problems.
- Have previous experience with Python(Django), MySQL.
- Have previous experience with one or more of AWS, RDS, SQS, EC2, DynamoDB, ElastiCache.
- NoSQL experience is good to have.
- Loves clean and structured code, and thrives to maintain it.
- Fast at coding, fast in learning and technically solid.
- Have previous experience in building, running and managing scalable and highly availability web services.
Look forward to
- Working with a world-class team.
- Fun & work at the same place with an amazing work culture and flexible timings.
- Get ready to transform yourself into a health junkie
Join HealthifyMe and Make History









