




JUUUNO is a leading technology innovator seeking a highly skilled Senior Backend Developer to join our dynamic engineering team. We are committed to building scalable, high-performance applications that push the boundaries of technological innovation.
Job Title
Senior Backend Developer
Bangalore
Job Type
Full-Time | Regular Employment
Experience Requirements
- Minimum 4-5 years of professional experience in backend development
- Proven track record of designing and implementing scalable application architectures
- Demonstrated expertise in building and maintaining complex backend systems
- Extensive experience in app development across multiple domains
Technical Requirements
Programming Languages (Required)
- Proficiency in at least two of the following languages:
- Python (Django/Flask)
- Java (Spring Boot)
- JavaScript/Node.js
- Kotlin
- Go (Golang)
Database Technologies
- Advanced knowledge of both SQL and NoSQL databases
- Experience with:
- PostgreSQL
- MySQL
- MongoDB
- Redis
- Ability to design efficient database schemas and optimize complex queries
Cloud and DevOps
- Extensive experience with cloud platforms:
- Amazon Web Services (AWS)
- Google Cloud Platform
- Microsoft Azure
- Containerization expertise:
- Docker
- Kubernetes
- CI/CD pipeline implementation
- Infrastructure as Code (Terraform, CloudFormation)
API and Microservices
- Expert-level API design and implementation
- RESTful and GraphQL API development
- Microservices architecture
- API documentation and management tools (Swagger, OpenAPI)
Security and Performance
- Strong understanding of:
- Authentication protocols (OAuth, JWT)
- Encryption techniques
- Web security best practices
- Performance optimization
- Scalability design patterns
Responsibilities
- Design and develop robust, scalable backend services for complex applications
- Architect high-performance system solutions
- Implement and maintain microservices architectures
- Ensure application security and data protection
- Optimize database performance and query efficiency
- Collaborate with cross-functional teams including frontend developers, product managers, and DevOps engineers
- Conduct code reviews and mentor junior developers
- Implement and maintain CI/CD pipelines
- Troubleshoot and resolve complex technical challenges
Preferred Qualifications
- Bachelor's or Master's degree in Computer Science, Software Engineering, or related field
- Experience in startup or fast-paced technology environments
- Contributions to open-source projects
- Knowledge of machine learning integration in backend systems
- Experience with message queue systems (RabbitMQ, Apache Kafka)
Soft Skills
- Strong problem-solving abilities
- Excellent communication skills
- Ability to work in an agile, collaborative environment
- Passion for continuous learning and technology innovation
- Detail-oriented with strong analytical thinking

About Juuuno
About
JUUUNO defines the future of technology by seamlessly marrying AI with consumer experiences across social, ecommerce, finance, and gaming verticals through native products that capture first-party data. This quantum ecosystem of interconnected solutions transforms raw consumer interactions into unprecedented intelligence, enabling brands to build authentic relationships at scale.
Candid answers by the company
We are primarily an advertising tech company that is focused on building the next best DMP in the market. We are also a product company that will be launching apps that use heavy AI engineering across the social, Ecommerce and fintech space.
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Requirements and skills:
· 3+ Years of software development experience
· Strong in data structures and algorithms
· Solid understanding of Linux development environment and systems
· Expert level knowledge of Python along with frameworks some application framework
· Prior experience with WebRTC and video streaming protocols like RTMP, RTP and payloads
· Prior experience of h264, h265, vp8, vp9 and av1 encoders and decoders
· Prior experience with GStreamer pipelines
· Knowledge of C++ and proxy servers such as NGNIX is an added advantage
· Proficient in writing unit test cases using the Pytest framework.
· Expert level knowledge of SQL databases like MySQL
· Understanding of microservices architecture
· Knowledge of AWS cloud services like EC2, S3, Lambda etc.


Requirements:
• Should be a go-getter, ready to shoulder more responsibilities, and shows enthusiasm and interest in work.
• Excellent core Python skills including threading, dictionary, OOPS Concept, Data structure, and Web service.
• Should have work experience on the following stacks/libraries: Flask
• Familiarity with some ORM (Object Relational Mapper) libraries
• Able to integrate multiple data sources and databases into one system
• Understanding of the threading limitations of Python, and multi-process architecture Familiarity with event-driven programming in Python
• Basic understanding of front-end technologies, such as Angular, JavaScript, HTML5 and CSS3
• Writing reusable, testable, and efficient code
• Design and implementation of low-latency, high-availability, and performant applications
• Understanding of accessibility and security compliance
• Experience in both RDBMS(MySQL), NoSQL databases (MongoDB, HDFS, HIVE etc) or in-memory caching technologies such as ehcache etc is preferable.
Job Title: Senior Backend Developer
Location: Mali mahajan road, somwar peth, Pune.
Experience: 5-7 years
Responsibilities:
Backend Development:
- Design, develop, and maintain scalable and high-performance backend systems.
- Utilize AWS Serverless skills (API Gateway, Lambda, DynamoDB, SQS, Event bridge, CloudWatch, permissions, accounts, multi accounts, streams
Technology Stack:
- Proficiency in JavaScript, Node.js, and Typescript for backend development.
- Leverage AWS services to build serverless applications with a focus on efficiency, security, and reliability.
E-commerce Expertise:
- Bring experience in e-commerce projects, with additional consideration for knowledge of Commerce tools.
Communication Skills:
- Communicate effectively with stakeholders across the US, UK, and Australia.
- Collaborate with cross-functional teams to understand requirements and provide technical insights.
Project Collaboration:
- Work closely with front-end developers, QA engineers, and other team members to deliver end-to-end solutions.
Requirements:
- Bachelor’s degree in Computer Science or a related field.
- 5-7 years of backend development experience.
- Strong proficiency in AWS Serverless technologies.
- Expertise in JavaScript, Node.js, and Typescript.
- Experience with e-commerce projects, particularly Commercetools, is an advantage.
- Excellent communication skills to engage with international stakeholders.

* Optimize components for maximum performance across multiple devices and browsers
* Write performant REST APIs for both internal and external consumption
* Build micro services and their deployment process
* Work with problems of scale, leveraging technologies that are distributed in nature.
* Perform code reviews
- Excellent analytical and problem-solving skills
- Exposure in Python and backend development



solutions. Responsibilities include gathering user requirements, defining system functionality
and writing code in various languages, like JavaScript, Python, Scala, Java. Our ideal
candidates are familiar with the software development lifecycle (SDLC) from preliminary
system analysis to tests and deployment. Ultimately, the role of the Software Engineer is to
build high-quality, innovative and fully performing software that complies with coding
standards and technical design.
Responsibilities
• Execute full software development life cycle
• Develop flowcharts, layouts, and documentation to identify requirements and solutions
• Write well-designed, testable code
• Produce specifications and determine operational feasibility
• Integrate software components into a fully functional software system
• Develop software verification plans and quality assurance procedures
• Document and maintain software functionality
• Troubleshoot, debug and upgrade existing systems
• Deploy programs and evaluate user feedback
• Comply with project plans and industry standards
• Ensure software is updated with latest features
Qualifications
• Proven work experience as a Software Engineer or Senior Software Engineer
• Prior work experience of 1-6 years is welcome
• Experience designing interactive applications
• Understanding of algorithms and data structures
• Ability to develop software in Node.js(JavaScript), React.js, Python, Scala, Java or other
programming languages
• Excellent knowledge of databases, SQL and non-SQL technologies is a plus
• Experience in developing web applications using at least one popular web-framework
is a plus
• Experience with test-driven development
• Proficiency in software engineering tools
• Ability to document requirements and specifications
• Experience with Data Science is a plus
• University/college degree in Computer Science, Engineering or relevant field











