
About the role:
We are seeking a highly motivated Principal Engineer with expertise in building scalable, extensible customer payment solutions, identifying and addressing performance bottlenecks, collaborating with other team members across teams to innovate current/new products; Identify, communicate and implement best practices for the engineering team. Our engineering process is fully agile and has a really fast release cycle - which keeps our environment very energetic and fun.
What you will do:
- Architect, design and lead the development of key software infrastructure, systems, tools and processes, ensuring high scalability and performance.
- Collaborate with the product and other stakeholders across the company to solidify/ negotiate requirements and feasibility.
- Identify, influence and participate in making technical decisions that have a positive impact on engineering and business as a whole.
- Problem-solving that involves complex interactions, constraints imposed by systems, processes, people and physical goods.
- Drive automated solutions that enable better efficiency and process improvement
- Identify and address performance bottlenecks, collaborate with other team members across functions to innovate/improve current/new products by suggesting improvements to the software system.
- Identify, communicate and implement best practices for the engineering team.
- You will advocate for good, clean, well documented and performing code; follow standards and best practices.
- As a Principal Engineer, you will be additionally responsible for planning and timelines of all projects in your domain
We would love for you to have:
- Education: Bachelors/Masters in Computer Science
- Experience: 7-10 yrs recent hands-on experience of working on scalable systems and a diverse set of products/systems.
- Experience with Java stack. Hands-on experience with development and troubleshooting of services.
- Experience with SQL and NoSQL databases and Hadoop stack.
- Experience in System Design of complex Supply-Chain e-commerce systems, Algorithm design and their optimization is a huge plus.
- Strong working knowledge of any REST-based framework, OOPS, Design Patterns
- Expert level experience in building fault-tolerant and scalable platforms.
- Excellent problem-solving skills
- Strong verbal and written (technical) communication and able to work across teams like Business, Product, Engineering, Analytics, App Engineering seamlessly.
- Ability to deliver great results in an agile development
- Exposure to open-source libraries and frameworks.
- Experience with the full software development lifecycle, design, develop, review, debug, document, and deliver (especially in a multi-location organization).
- Ability and experience in the evaluation and integration of third-party systems and libraries and independent completion of POC. Prior experience in integrating with 3rd party Payment solution (like Stripe) is a plus.
- Passion for performance benchmarking and debugging

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Job Description:
We are looking for a Senior Java Developer with strong expertise in Apache Kafka and backend systems. The ideal candidate will have hands-on experience in Java (8/11+), Spring Boot, and building scalable, real-time data pipelines using Kafka.
Key Responsibilities:
- Develop and maintain backend services using Java and Spring Boot
- Design and implement Kafka-based messaging and streaming solutions
- Optimize Kafka performance (topics, partitions, consumers)
- Collaborate with cross-functional teams to deliver scalable microservices
- Ensure code quality and maintain best practices in a distributed environment
Required Skills:
- 6+ years in Java development
- 3+ years of hands-on Kafka experience (producers, consumers, streams)
- Strong knowledge of Spring Boot, REST APIs, and microservices
- Familiarity with Kafka Connect, Schema Registry, and stream processing
- Experience with containerization (Docker), CI/CD, and cloud platforms (AWS/GCP/Azure)
JioTesseract, a digital arm of Reliance Industries, is India's leading and largest AR/VR organization with the mission to democratize mixed reality for India and the world. We make products at the cross of hardware, software, content and services with focus on making India the leader in spatial computing. We specialize in creating solutions in AR, VR and AI, with some of our notable products such as JioGlass, JioDive, 360 Streaming, Metaverse, AR/VR headsets for consumers and enterprise space.
Mon-Fri, In office role with excellent perks and benefits!
Key Responsibilities:
1. Design, develop, and maintain backend services and APIs using Node.js or Python, or Java.
2. Build and implement scalable and robust microservices and integrate API gateways.
3. Develop and optimize NoSQL database structures and queries (e.g., MongoDB, DynamoDB).
4. Implement real-time data pipelines using Kafka.
5. Collaborate with front-end developers to ensure seamless integration of backend services.
6. Write clean, reusable, and efficient code following best practices, including design patterns.
7. Troubleshoot, debug, and enhance existing systems for improved performance.
Mandatory Skills:
1. Proficiency in at least one backend technology: Node.js or Python, or Java.
2. Strong experience in:
i. Microservices architecture,
ii. API gateways,
iii. NoSQL databases (e.g., MongoDB, DynamoDB),
iv. Kafka
v. Data structures (e.g., arrays, linked lists, trees).
3. Frameworks:
i. If Java : Spring framework for backend development.
ii. If Python: FastAPI/Django frameworks for AI applications.
iii. If Node: Express.js for Node.js development.
Good to Have Skills:
1. Experience with Kubernetes for container orchestration.
2. Familiarity with in-memory databases like Redis or Memcached.
3. Frontend skills: Basic knowledge of HTML, CSS, JavaScript, or frameworks like React.js.
At least 4 years' experience as a Node.js developer.
Experience in Microservices
Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
Mandatory experience in Postgres and MySql.
Knowledge of front-end technologies such as HTML5 and CSS3.
Superb interpersonal, communication, and collaboration skills.
Exceptional analytical and problem-solving aptitude.
- 2+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem solving
- 4+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
● Fluency or understanding of specific languages, such as Python or Go.
● Strong understanding of the web development cycle and programming techniques and tools.
● Solid understanding of how REST APIs work: GET, POST, PUT and PATCH
● Basic understanding of AWS cloud and its services like lambda, EC2, Document DB, EKS etc.
● Understanding MongoDB would be a bonus.
● Excellent project management skills.
● Ability to work independently or with a group.
DATAKYND seeks a Python Developer who can collaborate with our front end developers and designers to meet multiple project needs for our clients. We seek team player that can think beyond the code to provide recommendations and solutions focused on meeting client’s needs.
Responsibilities:
- Full-stack development
- Develop data migration, conversion, cleansing, retrieval tools and processes (ETL) using pandas
- Web Automation, Web crawlers and scrapers
- Data import/export formats for third-party applications (JSON/CSV)
- Integrations with third-party applications (REST API)
- Requirements analysis and providing solutions using Python and related tools.
- Supporting and maintaining existing Python scripts, applications and interfaces.
- Evaluating emerging open-source libraries and providing recommendations.
- Strong analytical and problem-solving skills is necessary
Primary Technical and Functional Skills:
- Python 3.x , Web frameworks (Django, Flask)
- JS, HTML, JavaScript, CSS, Bootstrap
- PostgreSQL, MongoDB, SQL
- Multithreading, Logging, Email, Schedulers
- Third-party integration, Rest APIs and microservice
- JSON/CSV
Secondary Technical and Functional Skills:
- Basics of Linux, Nginx, Gunicorn, Apache, Wsgi
- Github , Docker
- Cloud platforms such as GCP, Azure or AWS
- Design and workflow document preparation
Desired profile:
- Should have excellent verbal and written communication skill
- Strong development experience in Core Java, J2EE, Spring Boot, Oracle SQL/PLSQL and App servers like WebLogic, JBOSS, Unix
- Good Knowledge of SOAP and REST API
- Should have knowledge in SOLID Principles & Design Patterns
- Should have working experience in UI like JSF, JSP, Html, CSS and Javascript / Jquery
- Experience with full-lifecycle development (i.e. design, coding, testing, debugging, etc.)
- Working experience to fix common vulnerabilities and security threat in SOA\Microservices applications
- Knowledge in OWASP Standards and Working knowledge in fixing security issues, data encryption and cryptography.
- Prior experience and knowledge of security tools like Fortify, Sonatype and webInspect is a plus
- Good to have knowledge and working experience in Angular JS
- Translate business requirements into detailed specs/designs
- Design thinking while arriving at solution
- Strong technical troubleshooting, diagnosing and problem-solving skills
- Ability to work with distributed teams in a collaborative and productive manner
- Solving complex business and workflow issues with solid scalable technical solutions
- Must be a self-motivated, proven performer who enjoy challenging assignments in a high-energy, fast growing workplace
- Agility and ability to adapt quickly to changing requirements and scope and priorities
- Good in communication, both written and verbal
- Should have Agile scrum experience.
- Team Player with very good attitude
- Attention to detail and focus on quality
- Knowledge in financial services domain is a plus
- Good to have knowledge on Static AppSec Testing (SAST) and Dynamic AppSec Testing (DAST)
2. Can do tech design and understand complex architecture
3. Follow best coding practices










