
Sr. Backend Software Engineer
at A leading company who makes multilingual conversational chat
- A solid grounding in Computer Science fundamentals (based on a BE/BTech or MS in Information
Technologies/Computer Science)
- Strong proficiency with JavaScript and knowledge of Node.js and frameworks.
- Strong hands on MongoDB and ability to write aggregation queries.
- Basic understanding of front-end technologies, such as HTML5, and CSS3.
- Hands-on on code versioning tools, such as Git, Redis, AWS, Sockets

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Backend Engineer - Python
Location
Bangalore, India
Experience Required
2-3 years minimum
Job Overview
We are seeking a skilled Backend Engineer with expertise in Python to join our engineering team. The ideal candidate will have hands-on experience building and maintaining enterprise-level, scalable backend systems.
Key Requirements
Technical Skills
CS fundamentals are must (CN, DBMS, OS, System Design, OOPS) • Python Expertise: Advanced proficiency in Python with deep understanding of frameworks like Django, FastAPI, or Flask
• Database Management: Experience with PostgreSQL, MySQL, MongoDB, and database optimization
• API Development: Strong experience in designing and implementing RESTful APIs and GraphQL
• Cloud Platforms: Hands-on experience with AWS, GCP, or Azure services
• Containerization: Proficiency with Docker and Kubernetes
• Message Queues: Experience with Redis, RabbitMQ, or Apache Kafka
• Version Control: Advanced Git workflows and collaboration
Experience Requirements
• Minimum 2-3 years of backend development experience
• Proven track record of working on enterprise-level applications
• Experience building scalable systems handling high traffic loads
• Background in microservices architecture and distributed systems
• Experience with CI/CD pipelines and DevOps practices
Responsibilities
• Design, develop, and maintain robust backend services and APIs
• Optimize application performance and scalability
• Collaborate with frontend teams and product managers
• Implement security best practices and data protection measures
• Write comprehensive tests and maintain code quality
• Participate in code reviews and architectural discussions
• Monitor system performance and troubleshoot production issues
Preferred Qualifications
• Knowledge of caching strategies (Redis, Memcached)
• Understanding of software architecture patterns
• Experience with Agile/Scrum methodologies
• Open source contributions or personal projects


About this roleWe are seeking an experienced MongoDB Developer/DBA who will be
responsible for maintaining MongoDB databases while optimizing performance, security, and
the availability of MongoDB clusters. As a key member of our team, you’ll play a crucial role in
ensuring our data infrastructure runs smoothly.
You'll have the following responsibilities
Maintain and Configure MongoDB Instances - Responsible for build, design, deploy,
maintain, and lead the MongoDB Atlas infrastructure. Keep clear documentation of the
database setup and architecture.
Ownership of governance, defining and enforcing policies in MongoDB Atlas.Provide
consultancy in drawing the design and infrastructure (MongoDB Atlas) for use case.
Service and Governance wrap will be in place to restrict over provisioning for server size,
number of clusters per project and scaling through MongoDB Atlas
Gathering and documenting detailed business requirements applicable to the data
layer.Responsible for designing, configuring and managing MongoDB on Atlas.
Design, develop, test, document, and deploy high-quality technical solutions on the
MongoDB Atlas platform based on industry best practices to solve business needs.
Resolves technical issues raised by the team and/or customer and manages escalations as
required.
Migrate data from on-premise MongoDB and RDBMS to MongoDB AtlasCommunicate
and collaborate with other technical resources and customers in providing timely updates
on status of deliverables, shedding light on technical issues, and obtaining buy-in on
creative solutions.
Write procedures for backup and disaster recovery.
You'll have the following skills & experience
Excellent analytical, diagnostic skills, and problem-solving skills
Should understand the Database concept and develop expertise in designing and
developing NoSQL databases such as MongoDB
MongoDB query operation, import and export operation in database
Experience in ETL methodology for performing Data Migration, Extraction,
Transformation, Data Profiling and Loading
Migrating database by ETL, migrating database by manual process and designing,
development, implementation
General networking skills, especially in the context of a public cloud (e.g. AWS – VPC,
subnets, routing tables, nat / internet gateways, dns, security groups)
Experience using Terraform as an IaC tool for setting up infrastructure on AWS
CloudPerforming database backups and recovery
Competence in at least one of the following languages (in no particular order): Java, C++,
C#, Python, Node.js (JavaScript), Ruby, Perl, Scala, Go
Excellent communication skills, often being able to compromise but draw out risks and
constraints associated with solutions. Be able to work independently and collaborate with
other teams
Proficiency in configuring schema and MongoDB data modeling.
Strong understanding of SQL and NoSQL databases.
Comfortable with MongoDB syntax.
Experience with database security management.
Performance Optimization - Ensure databases achieve maximum performance and
availability. Design effective indexing strategies.
Role and Responsibilities:
- To ensure success as a js developer, you should possess extensive knowledge of Node.Js based services like Express js, Multer.
- Candidate must be well aware of the JS concepts like promises, async-await, callback, fetch, and array methods like map, filter, reduce.
- Knowledge of GIT is a must.
- Must have sound knowledge of creating API through postman or similar tools, developing and maintaining all server-side network requests, ensuring optimal performance of the central database, collaborating with front-end developers on the integration of elements.
- Deep Understanding of mongo and MySQL.
- Working knowledge of Microservices.
- Good understanding of AWS services, Like Instance,S3, Route53, Elastic Bean Etc.
- Best writing code understanding.
Strong proficiency with one of the Vue.js, Angular JS, React JS JavaScript Techologies
2. Knowledge of Node.js and frameworks available for it , such as Express JS, Strong Loop, etc
3. Understanding the nature of asynchronous programming and Promises and its quirks and workarounds
4. Good understanding of server-side templating languages (such as Jade, EJS, etc depending on your technology stack)
5. Good understanding of server-side CSS pre-processors such as Styles, Less
6. Basic understanding of front-end technologies, such as HTML5, CSS3, and Bootstrap
7. Understanding accessibility and security compliance
8. User authentication and authorization between multiple systems(Internal or Third party), servers, and environments
9. Integration of multiple data sources and databases into one system
10. Understanding fundamental design principles behind a scalable application
11. Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform
12. Implementing automated testing platforms and unit tests
13. Proficient in code versioning tools, such as Git or TFS

- 2+ years of experience in Python, Django, Mongo, Express, MySQL, etc
- Have built applications capable of serving high volume with low latency in production
- Following practices of agile development with continuous integration/deployment
- Experience in deploying applications in AWS cloud
- Knowledge in building applications for Fintech/payments domain is a bonus
- Bachelor’s or Master’s degree in CS or equivalent from a reputed institution
- Self-starter, hustler, and a desire to achieve greatness is a MUST
- Immediate joining preferred
- You will have the flexibility to design the application and systems from the ground up.
- Your primary responsibility is to implement business logic in the backend and create awesome restful APIs for seamless integration with our mobile front end.
Key Responsibilities:
· You’ll be actively involved with development of server backend that support mobile apps.
· You’ll be architecting and implementing best-in-class complex ‘real time’ web software and/or messaging systems to power highly scalable apps for users.
· Translate high level business problems into scalable design and code. Create libraries & Utilities for larger consumption.
· Work closely with UI/UX designers to create exciting user experiences and ensure delivery of graphic assets as per modern web standards.
· You’ll be continuously keeping an eye on the latest cutting-edge technologies and leveraging these in one’s own and the team’s work as necessary.
· Care about the business results of what you build, not just the elegance of the technology you build.
· Work on the end to end stack (Platforms, UI, distributed systems, databases) rather than specialize in one area.
· And of course, get hands dirty by writing server-side code for mobile-based applications, create robust high-volume production applications, and develop prototypes quickly.
Eligibility
Desired Candidates Profile:
• 5+ years of experience on Node.js based web applications and systems development.
• Strong knowledge of MEAN, Linux/UNIX based development & client-side JavaScript/jQuery.
• Knowledgeable on ORMs, their utility and limitations.
• Knowledge of web services and serialization techniques like REST, SOAP, XML & JSON.
• Knowledgeable about caching mechanisms & tools like memcache, CDNs, nginx.
• Scripting experience in using Shell/Python for creating quick technology solutions to problems.
• Prior expertise of working with AWS Cloud, CDNs and other PAAS based services.
• A strong penchant for Object-Oriented Design.
• Experience of working with version control, bug tracking, continuous integration and other productivity enhancement software like SVN, Bugzilla, Jira etc.
• Prior experience in implementing Agile software methodologies.
• Passionate about software development & modern-day web technologies like:
• Server-Side JavaScript – Node.js, Backbone.js
• Web Sockets
• NoSQL based databases like MongoDB/Couchbase/Redis
• Big Data
• Taking responsibility and ownership in the team’s work.
Additional Requirements:
• B-Tech/BS/BE/BS/MS/M.Tech/MS in Electronics or Computer Science from a premier institute in India (IITs, BITS, NITs etc) or abroad.
Desired candidates must have 2-7 years experience as NodeJs Developer. If the candidate is not able to relocate to Gurgaon then we can also provide permanent Work from home for this position.
Roles and responsibilities:
- Responsible for understanding functional and business requirements and translate them into effective code
- Provide support till deployment of code into production.
- Ownership for ensuring code optimization, problem diagnosis, and on-time delivery
- Implement solutions as per the pre-defined framework /guidelines and adherence to processes
- Finding an optimal solution for the problem statement
- Conduct peer code review.
What candidate should know about:
- Excellent hands-on experience with Node.Js, Express.Js, JavaScript
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Excellent hands-on experience with MongoDB, Mongo aggregation, MySQL
- Ability to build REST services, Authentications, MVC applications
- Excellent Object Oriented Programming skills and ability to write modular, secure, scalable, and maintainable code
- Experience with Elastic Search, Redis.
- Knowledge about AWS components (S3, EC2, Cloudfront, Redis Clusters, etc.)
- Self-learning abilities are required
- Familiarity with upcoming new technologies is a strong plus
Experiance: 3+ Yrs
Skills: Node JS, Mongo DB, Aws
Database: Mongo DB.
Location: Hyderabad..

Nice to have: python
Must frameworks and technologies: Springboot, kafka, MQTT, docker/kubernetes, REST APIs
Persistence layer: MongoDB, Elastic Search, Any GraphDB (Neo4j/Arango), SQL, HBase
Must have: Exposure in large scale architecture (Concept of queues, micro services, functional programming)
Must have: Strong Data structure and design principles
Expert in developing Node.js applications, Strong understanding of NPM and modular application development skills building, Proficiency and hands-on experience with Node.js, Express, Sockets, MongoDB/Elasticsearch/Redis/MySQL, Apache Kafka/Google PubSub, Experience of working in MEAN Stack is a plus)

