
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.

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Company Overview:
OLOID is a leading provider of physical identity and access technology committed to enabling converged cyber and physical security for the modern workplace. Dedicated to ensuring secure and privacy-forward authentication, OLOID’s objective is to establish a framework that connects and manages workplace security by integrating with HR, IT, and various records systems, unifying cyber and physical identities across the organization.
Job Summary
We are seeking a highly skilled and experienced Senior Node.js Developer to join our development team. The ideal candidate will have a strong background in software engineering with a focus on JavaScript, Node.js, and modern web technologies. You will play a key role in building scalable backend services, integrating APIs, and contributing to full-stack development using frameworks like ReactJS.
Key Responsibilities
· Design, develop, and maintain robust backend services using Node.js
· Collaborate with front-end developers to integrate user-facing elements with server-side logic
· Develop and consume RESTful APIs for various services
· Write clean, maintainable, and secure code following best practices
· Troubleshoot, debug, and optimize application performance
· Implement authentication and authorization mechanisms where needed
· Contribute to code reviews and technical discussions
· Maintain and monitor applications on Linux-based environments
Required Qualifications
· Bachelor’s or Master’s degree in Computer Science or a related field
· Minimum 8 years of professional programming experience
· At least 3 years of hands-on experience with Node.js development
· Strong knowledge of JavaScript, particularly in browser-based frameworks such as ReactJS and Redux
· Experience with Node.js frameworks such as Express or Hapi (preferred)
· Solid understanding of asynchronous programming and its patterns
· Skilled in troubleshooting and debugging complex applications
· Familiarity with Linux environments
· Proficiency in working with RESTful APIs and API integration
Job Description
This is a remote position.
Requirements
- You need to be excited about the problem that we are trying to solve
- Should have excellent command over designing systems with a minimum experience of 4 years.
- Should have experience with various database flavors and writing complex queries. We work with Postgres, Redshift, ElasticSearch, TimescaleDB, and Redis.
- Additional knowledge in Golang will be an advantage
- Strong Data Structures and Algorithms knowledge
- Should have created APIs from scratch which is being used in Production
- Should be comfortable with creating systems handling up to 100k requests per minute, and have a mindset that understands scale
- Ability to give clarity and communicate well with the team, including Product, Backend and Dev-Ops (if and when needed)
- Ability to use profiling tools well, getting to root causes of bugs fast
- Ability to pick and work on adjacent technologies if and when required (Eg: If the best performance monitoring solution needs a basic firebase setup, that should not be a blocker for you to go ahead and do so)
- Knowledge of how to set up relevant test cases
- You need to be comfortable working in a remote environment (Good internet connection and availability on phone is required)
- App Development experience
- Experience in Test Driven Development
- Ability to tell Product what creates better User Experience, ability to tell frontend what API responses will help the user get a faster load time
- Inquisitiveness to understand the system as a whole, and not only be stuck to your domain of expertise (Eg: Figure out why excessive APIs calls are being made, brainstorm with Product and Frontend team to reduce the same without harming the UX )
- Experience in working on a Social Media Product
- Good knowledge of Graphs, and their applications
- Data-Driven Approach to monitoring
Benefits
- Work timings - You are the master of your time. However, with great freedom comes great responsibility. If you have committed something to the team, we expect that you will give it your best to make sure that commitment is done and is done on time.
- Leave policy - Take a leave whenever for whatever reason you want. You don't need to explain yourself to us
- Health insurance for you and your family
Java Developers (4-5 positions)
What qualities are we looking for?
- 3 – 8 years of experience in building web applications
- Excellent command over Data Structures & Algorithms
- Exceptional coding skills in an Object-Oriented programming language (Java)
- Strong problem solving and analytical skills
Technical Requirements:
- Working experience on JAVA, Spring Boot. (building web services)
- Working experience in building microservices and distributed systems.
- Working experience on using messaging queues RabbitMQ/Kafka is a plus.
- Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery, Angular 5+)
- Excellent knowledge and programming skills in data structures, algorithms.
- Familiarity with databases (e.g. MySQL, MongoDB)
- Proficiency with Git
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 back-end services for various business processes.ses.
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.
Skills:
Bachelor's degree in computer science, information science, or similar.
At least two 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.
Following are the things that we are looking for in our NodeJS developer:
- Full SDLC knowledge, preferably in an agile environment.
- Strong written and verbal communication skills. Strong critical thinking & problem solving skills.
- Understanding of Unix / Linux based systems.
- Hands-on exposure to deeply linked relational databases – preferably in MySQL
- Ability to take a feature or product through the full Software Development Life Cycle.
- Strong communication skills, including the ability to both collaborate well and also the ability to convey technical ideas and concepts to non-technical stakeholders.
- Identify the interaction needs and how the API. must be developed based on design comps, product specs, etc.
- Continuously evaluate and implement new technologies to maximize development efficiency.
- Address and prioritize production level bugs and application performance improvements.
- An adaptable attitude and understanding of the agile methodology.
- Unit-test code for robustness, including edge cases, usability, and general reliability.
- Collaborate with cross-functional teams to define, design, and release new features.
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.
You will be responsible for designing, developing, testing, and debugging responsive mobile and web applications.
Qualifications Required -
· Bachelor's degree or equivalent in Computers
· Experience - 3-4 Years
· Some experience with Mobile App development will be plus
Skillsets:
- Experience in with Node.js, Express.js, REST API
- Experience with NoSQL database - MongoDB
- Experience with AWS services
Role and Responsibilities:
- As a backend developer, your primary focus will be the development of all server-side systems
- A basic understanding of front-end technologies is necessary as well. You will test, secure and deploy your code
- Work experience on Node.js is a must along with a server-side framework like Express.js
- Strong proficiency in JavaScript
- Writing reusable, testable, and efficient code
- Experience and proficiency integrating with REST APIs
- Understanding of scalable computing systems, software architecture, data structures, and algorithms
- Experience in working with databases such as MongoDB, Redis, Elasticsearch, etc.
- AgileScrum development cycle understanding.
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.
- Good knowledge of MongoDB(Must) & any other MySQL Database.
- Good knowledge of Redis, its data types, and their use cases.
- Experience developing and deploying REST APIs.
- Knowledge and working experience in Cloud environment - AWS or Azure
- Good knowledge of Unit Testing and available Test Frameworks.
- Should be a fast learner and a go-getter without any fear of trying out new things







