Principal Engineer

Location: Bangalore

Experience: 5 to 10 years

Joiners: Immediate / Notice Period < 30 days

Company: Wissen Technology

🔍 Job Overview:

We are looking for a passionate and skilled Fullstack Developer with strong backend expertise in Java and advanced frontend proficiency in React, JavaScript, and TypeScript. The ideal candidate will have a deep understanding of core computer science concepts like Multithreading, Collections, and Immutability, and should be highly proficient in building scalable, maintainable systems.

🛠️ Key Responsibilities:

• Design and develop robust, scalable backend systems using Java (preferably Java 8 or higher).
• Build interactive, high-performance UIs using React.js, JavaScript, and TypeScript.
• Implement complex business logic with clean and maintainable code.
• Write efficient, thread-safe code utilizing Multithreading, HashMaps, HashSets, and Collections.
• Work with iterators and immutability principles to build reliable data flows.
• Collaborate with product managers, designers, and QA teams in an Agile environment.
• Troubleshoot and debug production issues as needed.

✅ Must-Have Skills:

• Strong programming experience in Core Java, Multithreading, and Java Collections Framework.
• Solid knowledge of React.js, JavaScript (ES6+), and TypeScript.
• Hands-on with HashMap, HashSet, Iterators, and Immutable Data Structures.
• Experience working with REST APIs, Spring Boot, and microservice architectures.
• Familiarity with version control systems like Git and CI/CD pipelines.
• Strong problem-solving and analytical skills.

💼 Good to Have:

• Exposure to cloud platforms (AWS, GCP, Azure).
• Experience with state management tools like Redux or Context API.
• Knowledge of performance optimization and memory management in JavaScript.

BLAZE Madurai looking for JavaScript developers with hands-on web or mobile app development.

Skills required for JS Frontend developer:

• Must have strong experience in AngularJS / React JS / Flutter / Ionic / etc.
• Good understanding of advanced JavaScript concepts like Objects/Closures/Async Events/etc is required
• Good understanding of code versioning tools, such as Git or Hg

Skills required for JS Backend developer:

• Experience with NodeJs or another JavaScript server.
• Experience with WebSocket API’s consumption and creation.
• Experience with a JS Backend framework is important ex: ExpressJS/Meteor/Sail/Koa/etc.
• Experience in other backend programming PHP/Python/Ruby/.NET is an advantage.

Experience: 1 - 3 Years

Job Location: Madurai

• Creating RESTful services with Node.js (Express)
• React & React Native
• Mongoose & MongoDB.

• Hands-on experience with Ubuntu-based servers
• Hands on experience in deploying on Digital Ocean Droplets
• Hands on experience with google maps integration

• Solid background and proven experience in the Java Tech Stacks
• Expertise in Java and in JavaScript based framework
• Expertise in multiple front-end languages and libraries (e.g., HTML/ CSS, JavaScript, XML, jQuery)
• Familiarity with databases (e.g., MySQL, MongoDB), web servers (e.g., Apache) and UI/UX design
• Experience developing desktop and mobile applications
• Familiarity with common stacks
• Excellent communication and teamwork skills
• Great attention to detail and problem-solving skills

Merkle|Sokrati, a leader in Paid Search & Social Advertising, provides a sophisticated technology solution to efficiently manage Digital Marketing campaigns for several brands in India. The technology developed takes a beating of serving and tracking 20M+ impressions a day. It runs crunching algorithms and keyword discovery routines using distributed computing, housing the entire data in distributed caches and sharded MySQL databases.

To be a geek at Merkle|Sokrati you need to know how to build scalable and high-performance systems. Nothing at Sokrati is small. We start with a proof of concept that demands a traffic rate of 10M+! To achieve any of this you need to understand Distributed Systems, Distributed Caching, High-scale Databases. And we possess the skills to create software that makes this entire heterogeneous system function together even if it runs on 100 boxes. A system that is so widely used cannot sustain any downtime and hence it uses elegant high-availability techniques to survive an outage. Not many startups can say “been there, done that”!

@Merkle|Sokrati, you will:

• Implement solutions for broadly defined problems
• Drive best practices and engineering excellence
• Be involved in the development of code in object-oriented languages like Java etc and build large scale robust distributed systems
• Be involved in full fledged product development.
• Build New Features, Push them to production fast.
• Debug production issues across services and levels of the stack
• Build services or APIs which will for easy application integrations at Sokrati to develop applications faster.
• Build scalable/fault-tolerant backend systems that process and analyze billions of data points every day.

You'd fit right in if you have:

• 2-4 years of experience in building successful production software systems
• A solid grounding in Computer Science fundamentals (based on a BE/BTech or MS in Computer Science)
• Experience developing software services and an understanding of design for scalability, performance and reliability.
• Mastery of the tools of the trade, including a variety of modern programming languages (Python, Java, JavaScript, C/C++) and open-source technologies (Linux, Spring)
• Proven ability to work in a fast paced, agile and in an ownership and results oriented culture

If you are excited about:

• Having an unmatched startup experience that allows you to work on bleeding-edge technologies.
• Making a splash in a multi-billion dollar Digital Advertising industry
• Learning & Growing far beyond your current horizon
• A place full of like-minded & ridiculously smart folks
• A start-up culture that you'd cherish forever in your work life

Feel like you are a good fit? We would love to hear from you!