
Key Responsibilities
- Design, develop, and maintain scalable web applications using Java-based frameworks
- Build responsive and user-friendly front-end interfaces
- Develop RESTful APIs and microservices architecture
- Collaborate with cross-functional teams including Business team, developers, BAs, and QA
- Write clean, maintainable, and efficient code following best practices.
- Use AI tools to improve development productivity, testing, and troubleshooting.
- Troubleshoot and debug production issues.
Required Skills & Qualifications
- 5+ years of experience in full stack development
- Experience with HCL Commerce is a must
- Strong proficiency in Java (Java 8 or above)
- Solid knowledge of front-end technologies such as JSP, JavaScript and CSS
- Experience building RESTful APIs and working with microservices architecture
- Good understanding of HTML5, CSS3, and responsive design
- Experience with relational databases such as Oracle
- Familiarity with version control systems like Git
- Knowledge of containerization tools like Docker and orchestration tools like Kubernetes (good to have)
Preferred Qualifications
- Experience with CI/CD pipelines
- Familiarity with Agile/Scrum methodologies
- Knowledge of security best practices in web applications

About Leinex
About
Leinex, was formally initiated in the year 2012 with the core business focus on IT recruitments in niche technological areas. With expertise in technology hiring at mid-level and leadership positions, Leinex has successfully supported various IT products/services, telecom, consulting organizations, and start-ups. We have demonstrated our ability to deliver on both volume and niche hiring mandates, covering a wide range of technical skills.
Throughout the journey, Leinex has remained dedicated to the fundamental principles of 100% customer satisfaction, surpassing expectations in service delivery, and fostering lasting partnerships with clients. We understand the importance of staying responsive to the demands of a dynamic market and constantly review, evaluate, and update our processes accordingly. The name "Leinex" reflects our commitment to service excellence, encapsulating our approach to learn, innovate, and excel in all aspects of our operations.
Our services
• Recruitment
• Payroll
• Compensation Benchmarking
• Training Solutions
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Candidates MUST HAVE :
● Deep expertise with JavaScript. Extensive hands-on experience building microservices using NodeJs.
● Substantial experience in building complex and scalable solutions.
● Strong computer science fundamentals: data structures, algorithms, design patterns
● Strong experience and understanding of various APIS / Web Services and SQL/NoSQL databases
● Architected non-trivial solutions for a company at a scale
● Proficient in unit testing, writing mocks, automated functional tests, and end-end tests
● Experience with a variety of languages, stacks, and programming paradigms
● Capability to contribute across the web and mobile stacks
● Strong desire to drive change, and ability to adapt to change quickly
● The ability to independently lead problem-solving and build elegant, maintainable solutions to complex problems.
Good to Have
● Experience in building projects with TypeScript, ExpressJs, NextJS, ReactJs, Flutte,r etc.
● Experience with gRPC or GraphQL API implementations.
● Experience in any other programming languages such as Python/Go/Scala
● Experience with Kubernetes, Docker and
● Understanding the nature of asynchronous programming and its quirks and workarounds
● Good hand-on with data streaming technologies like Kafka
● Experience with cloud APIs (e.g., GCP, AWS, Azure)
● Understanding on information security and data privacy
● Experience in open-source development and contribution to open-source technology
Roles and Responsibilities :
● Write clean, reliable, reusable, scalable, testable and maintainable code.
● Produce best in class documentation, testing and monitoring
● Estimate effort, identify risks
● Mentor/coach other engineers in the team to facilitate their development and to provide technical leadership to them.
● Rise above details as and when needed to spot broader issues/trends and implications for the product/team as a whole
● Practice and promote craftsmanship in software engineering (coding, testing, code reviews, documentation, scalability, performance, etc.)
● Break down requirements, estimate tasks, and assist in planning roadmap accurately
● Develop iterative solutions to address expansive product goals
● Platformism components as libraries, utilities and promote reuse
● Be able to conceptualize and develop prototypes quickly
● Own large technical deliverables and execute in a structured manner.
● Take accountability for the overall health of the products you build and ensure predictability of the deliverables of your team 1
● Drive technical roadmap of the team in collaboration with Product and Business Teams.
About the Role
We are looking for a highly skilled and experienced Junior React Native Developer to join our team and take the lead on developing our cross-platform mobile application. You’ll play a critical role in building, launching, and scaling a high-performance mobile app that runs seamlessly on both iOS and Android platforms from a single codebase.
If you’re passionate about mobile technologies, have a strong command of React Native, and are excited about creating a high-quality product 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.
- Collaborate with product managers, designers, and backend engineers to deliver high-quality user experiences.
- Build reusable components and front-end libraries for future use.
- Optimize app performance for speed and scalability across devices and OS versions.
- Ensure the app complies with design standards and platform-specific guidelines (Apple App Store & Google Play).
- Set up CI/CD pipelines for automated builds, testing, and deployment (e.g., using Fastlane, EAS, or similar).
- Integrate RESTful APIs and third-party services.
- Handle app store submissions and updates.
- Mentor junior developers and enforce best practices in mobile development.
Requirements
Must-Have:
- 1+ years of experience in mobile application development.
- 1+ years of hands-on experience with React Native.
- Strong understanding of JavaScript (ES6+), TypeScript, and React architecture.
- Deep knowledge of iOS and Android mobile app development lifecycle.
- Experience with mobile UI/UX best practices and performance optimization.
- Familiarity with native build tools (Xcode, Android Studio).
- Experience integrating REST APIs and handling network latency issues.
- Proficient with Git, GitHub/GitLab, and agile development practices.
- Experience with push notifications, in-app purchases, deep linking, and analytics SDKs.
Preferred:
- Experience with Expo or EAS for managed workflows.
- Familiarity with mobile CI/CD pipelines (Fastlane, Bitrise, etc.).
- Experience with native modules (Objective-C/Swift and Java/Kotlin) as needed.
- Knowledge of automated testing frameworks (Jest, Detox).
- Published apps in both the App Store and Google Play.
- Prior experience in startups or high-growth environments.
What We Offer
- Opportunity to lead and build a product from the ground up.
- Work with a dynamic and talented team in a fast-paced environment.
- Flexible working hours and remote-first culture.
- Competitive salary and equity options (if applicable).
- Learning and development budget.
The ideal candidate should have a strong foundation in computer science and a passion for building high-quality solutions. The role requires hands-on experience in designing, developing, and implementing scalable and high-performance mobile applications (company is looking for an employee to build a chat application from scratch)
Responsibilities:
1. Design, develop, and maintain a mobile application
2. Write clean, scalable, and maintainable code that
adheres to best practices and industry standards
3. Test applications to ensure they meet customer requirements and are free from defects
4. Implement security and data protection measures in applications
5. Troubleshoot and debug software applications
Requirements:
1. Bachelor's degree in Computer Science or a related field
2. Experience in developing applications using Java, and Javascript.
3. Strong understanding of the software development life cycle (SDLC) and Agile methodologies
4. Experience with front-end technologies such as HTML, CSS, and JavaScript
5. Experience with database design and management, particularly with MongoDB
6. Excellent debugging and troubleshooting skills
7. Strong communication and teamwork skills
Location: Pune (Remote Work due to COVID 19)
Job Description:
We are looking for an experienced full stack developer to join our team in Pune and be instrumental in taking our products to the next level. In this role, you will be working in close collaboration with a team of highly empowered, experienced engineers who are building a high performance, enormous scale global platform.
About the Organisation :
It provides a dynamic, fun workplace filled with passionate individuals. We are at the cutting edge of advertising technology and there is never a dull moment at work.
We have a truly global footprint, with our headquarters in Singapore and offices in Australia, United States, Germany, United Kingdom and India.
You will gain work experience in a global environment. We speak over 20 different languages, from more than 16 different nationalities and over 42% of our staff are multilingual.
Qualifications
Deep working knowledge of a modern JS framework (React / Angular/ Vue etc.)
>4 years experience with compiled backend languages (Golang / Java)
Experience with a variety of relational and non-relational storage systems (Postgres, Cassandra, Redis etc.) and text query engines (Elasticsearch, Lucene etc.)
Experience designing, building, and deploying distributed systems in production
Experience with at least one major IaaS provider (AWS, GCP, Azure etc.)
Experience consuming and building RESTful / GraphQL APIs
Passion for creating maintainable, testable and performant code
Ability to lead the end to end delivery of features and mid-sized projects
Aptitude to mentor junior engineers and further develop their skills
Great communication skills to be able to work effectively with a variety of stakeholders that may not be technical
Maturity to thrive in a high-freedom / high-responsibility environment that emphasizes teamwork, communication, and initiative
Candidate's Profile:
4+ years of experience as a Full Stack Developer
Experience with product development companies in the BigData, Machine Learning or Artificial Intelligence domain would be an added advantage.
RESPONSIBILITIES
Building and implementing top-notch user interfaces using Javascript and the Angular framework
Writing efficient Javascript code while also using HTML and CSS
Develop all server-side logic, including data storage to optimize website performance
Using the latest front-end technologies, creating adaptable interfaces for online applications
Leading with product-analysis tasks and conducting performance tests
Using sustainable coding patterns that can be easily enhanced and modified subsequently
Perform complex product analysis as well as development duties that may include significant research and analysis
Ensuring extensive and proper documentation of solution designs and implementation for easy onboarding of new teammates
Effective collaboration with team members and stakeholders to deliver requirements
Keeping up-to-date with industry trends and technology developments
Providing tech support for clearing bottlenecks and and obstacles
Identifying and troubleshooting issues with frontend code
Execute automated testing platforms and system tests
REQUIREMENTS
Extensive knowledge, experience and understanding of JavaScript and Node.js
Professional experience in full stack development using the NAP stack - Node.js, Angular, Postgres
In depth understanding of cross-browser compatibility issues and ways to work around such issues
Proficiency in browser rendering behavior and performance.
Proficiency in Javascript, web stacks, libraries, and frameworks
Proficient understanding of code versioning tools (Git)
Good understanding of or working experience with IONIC framework is a major plus
Understanding of data security concepts
React Native Developer
- Experience in React-native, IOS Development (with Swift).
- Experience in IOS SWIFT Framework
- Proven experience in React Native components in native iOS and Android
- Good understanding of Android / iOS / Web design guidelines, SDK and excellent JavaScript skills.
- Knowledge of React and the Java script ecosystem
- Exposure to other hybrid mobile platforms like IONIC,Sencha, HTML5, PhoneGap, jQuery Mobile etc.
- Familiarity with RESTful APIs development.
- Expertise with code testing best practices, including unit and integration testing to ensure quality of code.
- Familiarity with code versioning tools such as Git, SVN, Github.
- Excellent verbal and written communication skills
Preferred Skills & Knowledge: IOS Development (Swift), React Native
We are searching for a Senior Full Stack developer to help us to work on our Client projects.
Job Responsibilities--
- Experience with developing real-time application & advance level web projects & mobile apps.
- Strong understanding of front-end technologies, such as HTML5 and CSS3
- Good working experience in advanced JavaScript libraries and frameworks, such as React.js, Node.js, Mobx, Bootstrap, Next.js
- Experience with working with Git(hub)
- Care deeply about clean and functional code
- Experience in Github & AWS a big plus.
- Passionate about learning and staying up to date with the latest technologies
- Are particular about details.
- Project Management Skills.
Benefits:
- Work from home
- Internet Reimbursement
Schedule:
- Monday to Saturday
Supplemental Pay:
- Performance bonus
Education:
- Bachelor's (Required)
- Masters
Experience:
- React: 2-3 years (Required)
- Node.js: 2-3 years (Required)
- Total Work: 2-4 years (Required)
- MongoDB: 2-4 Years years (Required)
- PHP (CI & Laravel) : 2-4 Years (Required)
- Good Project Management Skills.
Location: Bangalore
Purpose: The person in this position would be responsible for backend integration of Deep learning algorithms, creating dashboards for clients.
Roles & Responsibilities:
Demonstrates a growth mindset, seeks feedback often and is effective in continuous personal and professional development Provides expertise in all phases of the development lifecycle from concept and design to testing Defines the architecture, best practices and coding standards for the product development team Supports continuous technical improvement by investigating alternatives and technologies and presenting these for architectural review Motivates team members and extends goodwill to other employees while having fun!
Job Requirements:
2+ years of software industry experience Strong Expertise in JS, PHP, React, Node, Angular2+, MySQL, PostgreSQL Solid understanding of software design, development, testing, and problem-solving Expertise in coding efficient, high quality and modularized software Experience in developing Web services - Rest/Soap APIs/HTTP API - Microservices Experience setting up and managing servers. Devops experience is a big plus Strong exposure on Database like RDBMS - Postgres DB / NoSQL DB like DynamoDB, Elasticsearch Experience in Cloud / Storage like Amazon (AWS) - EC2/EBS/S3 Expertise in test automation
Familiarity with Unix shell and source control systems and tools such as git Strong technical leadership skills Comfortable collaborating with designers, front-end developers and other team members Strong communication skills Technical Coaching and mentoring skills Understanding of machine learning, natural language processing is a plus.








