
About Leaf Innovation Pvt Ltd
About
LEAF is safety technology company started from February 2015 with the mission to solve the problem of human safety by disrupting the largely unorganized security market. LEAF launched their first product Safer, a smart safety wearable in 2015 to solve the problem of women safety which was sold in more than 25 countries. LEAF was a part of Prime Minister Modi's delegation to silicon valley as the Top 10 Innovators of India. With first Indian company to win prestigious Million Dollar X Prize Award at United Nations, Leaf is on the mission to make Billion people safe.
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We are looking for an experienced Java Developer with strong proficiency in Kafka and MongoDB to join our dynamic team. The ideal candidate will have a solid background in designing and developing high-performance, scalable, and reliable applications in a microservices architecture. You will be responsible for building real-time data processing systems, integrating various services, and ensuring smooth data flow across systems.
Key Responsibilities:
- Design, develop, and maintain scalable Java applications with a focus on performance and reliability.
- Build and maintain Kafka-based real-time data pipelines for handling high-volume, low-latency data.
- Work with MongoDB to design and optimize database schemas and queries for high throughput and availability.
- Collaborate with cross-functional teams to define, design, and implement new features and improvements.
- Troubleshoot and resolve issues related to system performance, scalability, and reliability.
- Ensure software quality through best practices, including testing, code reviews, and continuous integration.
- Implement and maintain security best practices in both code and data handling.
- Participate in agile development cycles, including sprint planning, daily standups, and retrospectives.
Required Skills & Qualifications:
- 7+ years of experience in Java development, with a strong understanding of core Java concepts (J2EE, multithreading, etc.).
- Hands-on experience with Apache Kafka, including setting up brokers, producers, consumers, and understanding Kafka Streams.
- Proficient in working with MongoDB for designing efficient data models, indexing, and optimizing queries.
- Experience with microservices architecture and RESTful APIs.
- Familiarity with containerization technologies like Docker and orchestration tools like Kubernetes is a plus.
- Strong understanding of distributed systems, message-driven architectures, and event streaming.
- Familiarity with version control systems like Git.
- Excellent problem-solving skills, with the ability to debug and optimize code for high-performance systems.
- Experience with CI/CD pipelines and automated testing.



- BS in CS or EE or equivalent
- Experience working on large scale systems in rapid growth environments
- Experience with public cloud offerings (AWS, GCP, Azure)
- Solid programming skills; preferred experience in Java, and/or Python
- Experience with modern web frameworks, advanced algorithms/data intelligence, public
- cloud platforms and streaming data pipelines
- Familiarity with containerization, microservices architecture, continuous integration, and delivery
- 5+ years’ experience preferred

Job Description
We are hiring full-stack developers for luxury-commerce platform that is well-funded and is now ready for its next level of growth. It is backed by reputed investors and is already a leader in its space. The focus for the coming years will be heavily on scaling the platform through technology. Market-driven competitive salary for the right candidate
Roles & Responsibilities:
- Work with the Business Teams & Product Managers, understand the requirements and design the technical architecture and implement it
- Build the code independently according to the technical specifications, detailed design, maintainability, and coding and efficiency standards
- Create a technical design from Functional Design Doc / Requirements Doc and be able to troubleshoot with debugging skills
- Own product and its features from conception to delivery.
Qualifications:
- Proficiency in Node JS, and React JS.
- Hands on experience in developing customer facing Node JS based applications is a must.
- Knowledge of front-end technologies such as HTML, CSS, and JavaScript.
- Familiarity with datastores such as MySQL, Oracle, Redis, and Solr/Elasticsearch.
- Knowledge of logging frameworks such as fluentd, logstash etc.
- Knowledge of Containerization (Docker, Kubernetes etc.) will be an advantage
- Writing and utilizing RESTful API services and performance tuning web applications
- Experience with cloud providers such as AWS, Azure etc.
- Passion for building & scaling consumer-facing products.
- Attention to detail, good communication and organizational skills


What are we looking for?
We are looking for hands-on coders who love what they do, have high attention to detail and are looking for challenging opportunities which involve building products from scratch. Someone who is proactive, and always keen to learn.
What will you be doing?
On a daily basis, some of your work will involve but is not limited to:
- Write clean, secure, and well-tested code
- Build tools and integrate systems to scale the effectiveness of the product
Work Culture at Merge:
Commitment to excellence - In every output, we produce as individuals and as a company, we have to strive for world-class quality. We’re making a change in the world. It will push us out of our comfort zones. We operate in a rapidly changing market and strive to deliver high-quality products faster than anyone else.
We get it done - We take ownership of what we do. Working here is about really, truly owning everything you do. There’s no such thing as “Not my job.” If you see a problem that needs solving, you can – and should – be the one to solve it
Requirements
Skills That Will Help You Excel At Merge
- You have 2 to 5 years of experience building highly reliable and scalable backend systems
- Experience in two or more languages. Go, Node.js, Python, or Java would be ideal.
- You have experience in high-throughput distributed systems and microservices
- Experience with AWS and CI/CD workflow
- Driven, and passionate about building products
- You take ownership of your code
- You have good communication skills in English
- You are familiar with security best practices



What we are looking for
- At-least 3 years of experience of development on backend applications. Full stack experience is a cherry on the top!
- Experience / knowledge of designing robust systems, maintaining & scaling them
- Experience with usage of NoSQL databases like MongoDB & with SQL and RDBMS Systems
- Experience of creating applications with any of the popular frameworks in Python, Java, GoLang, Node
- Experience with JS frontend frameworks like React, Angular, Vue etc is a big plus
- Well versed with versioning systems like git
- Understanding of rest API implementation
Some of the responsibilties you will be taking up are following
- Working on creating performant and fault tolerant systems which are scalable
- Design, build, and maintain high performance, reusable, and reliable codebase
- Effectively work with product to gather requirements, gain deep understanding of use cases and business needs, and translate into design and implementation.
- Maintain code integrity and organization.
- Manage basic devops related to CI/CD
- Creating secure systems
- Lead other junior developers
- Define optimal and minimal architecture to achieve product requirements
Our client is a decade-old software development company, that offers its clients a wide range of customized web, mobile, and eCommerce tools and software. They are known to use advanced languages and platforms used to build reliable, secure, and scalable solutions for their business clients as well as individual customers. Their disruptive craftsmanship and strategy help in high-performance growth and allows customers to transform digitally and competitively.
Their products are being used by most of the banks and NBFCs in India, apart from clients from other industries. The founder is an IIM and MDI alumni and has experience of more than 13 years in business and strategic roles in MNCs. The company has been accredited by the government as a premier IT company, committed to quality and driven by customer success.
- Understanding and implementing security and data protection
- Managing both front-end and back-end web development requirements from a consumer.
- Taking full responsibility for task/ project execution
- Handling Payment Gateway integration and ecommerce development concepts
- Prioritizing own work and respect deadlines
What you need to have:
- Excellent skills in PHP Laravel
- Strong object-oriented programming skills
- General knowledge of both front-end and back-end web development from a consumer.
- Databases (more than one is desirable) MySQL, PostGRE, MongoDB
- Experience in Payment Gateway integration and ecommerce development concepts
- Should know about child theme and its structure.
- Proficient in CSS3/ HTML5
- Should know about source version control like git or svn etc.
- Familiar with AWS & Linux command line will be added advantage.
- Must be a team player with good communications
- Ability to solve problems quickly and efficiently
- Great aptitude and attitude towards learning
- Ability to prioritize own work and respect deadlines

