
Back-End Developer (B2B SaaS)
Location: Kashmere Gate, Delhi (Hybrid)
NP: Immediate Joiner
Experience: 2.5Years - 3.5 Years
About Us:
Eazybe is transforming workplace communication by creating innovative tools on top of popular messaging platforms like WhatsApp, phone calls, and more. As we expand our reach into international markets, we're looking for dynamic sales professionals to join our team!
Key Responsibilities:
- Backend Development: Write clean, maintainable, and efficient code for server-side applications.
- API Design & Integration: Build and maintain RESTful or GraphQL APIs to support various front-end and mobile applications.
- Database Management: Design, implement, and maintain robust databases, ensuring data integrity and security.
- Performance Optimisation: Optimize applications for maximum speed and scalability.
- Collaboration: Work closely with front-end developers, product managers, and other team members to ensure seamless integration of functionalities.
- Debugging & Troubleshooting: Identify and fix bugs, bottlenecks, and system issues.
- Security: Implement best practices for securing backend systems and data.
- Documentation: Prepare technical documentation and reports for system and code processes.
Qualifications:
- Proficient in solving Data Structures and Algorithms (DSA) problems.
- Demonstrated experience with platforms like LeetCode or similar competitive programming environments.
- Strong aptitude and problem-solving skills, with the ability to think critically and approach challenges creatively.
- A sharp analytical mindset with a proven ability to learn and adapt quickly.
- Proficiency in server-side programming languages such as Python, Node.js, Ruby, Java, PHP, or others.
- Experience with frameworks like Django, Express, Flask, Spring Boot, etc.
- Strong understanding of databases (SQL and NoSQL), such as MySQL, PostgreSQL, MongoDB, Redis, etc.
- Familiarity with API standards and development (REST, GraphQL).
- Knowledge of cloud platforms like AWS, Azure, Google Cloud, or others.
- Experience with version control tools like Git.
What We Offer:
- 12 days of Paid Time Off (PTO) annually
- 10 days of Working From Anywhere (WFA) annually
- Hybrid Work Model: 4 days in-office and 2 days from home
- Convenient Office Location: Just a 7-minute walk from Kashmiri Gate Metro
Candidates who meet the criteria will undergo 2 to 3 interviews and a possible paid work trial focusing on analytical and technical skills.
If you're passionate about backend development and eager to work in a fast-paced, innovative environment, we want to hear from you!

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Responsibilities :
- Backend development with Node.js, MongoDb and Typescript.
- Developing and testing flexible, scalable applications.
- Collaborate with Front end developers to produce optimum output.
- Think out of the box, discuss and implement your own ideas over the phase.
Required skills :
- Strong knowledge in creating RESTFUL APIs(web service)
- Proficient understanding of code versioning tools: Git.
- Good knowledge of Docker & Shell scripting
- Basic knowledge in web fundamentals: HTML, CSS
- Experience in DevOps is an added advantage.
Requirements:
- Should be a go-getter, ready to shoulder more responsibilities, shows enthusiasm and interest in work.
- Excellent core Python skills including threading, dictionary, OOPS Concept, Data structure, Web service.
- Should have work experience on 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
Bachelor's or Master's degree in Computer Science, Information Systems,
or equivalent.
EXPERIENCE – 2 to 5 years
CTC - UPTO 5.4L P.A.
JOB DESCRIPTION
We are looking for a backend developer who will be responsible for designing,
implementing, and supporting a distributed blockchain-based network. Your primary
responsibility will be analysing requirements, designing Blockchain technology around
a certain business model, and the building and launching of a blockchain network. You
will be asked to work on various blockchain technologies like Ethereum (Layer 1 & 2,
i.e Binance Smart Chain ).
● Analytical, results-driven Back-end Developer who will work with team members
to troubleshoot and improve current back-end applications and processes.
Focused on building a better, more efficient program and creating a better
end-user experience.
● Work closely with Frontend developers to integrate new web features into
our application
● Strong understanding of the web development cycle and programming
techniques and tools.
● Strong communication and presentation skills
● Ability to work in a fast-paced environment.
SKILLSET
● Experience with Smart contract development tools
● Strong background in Javascript, Python & Node JS, SQL
● Build new features and products using modern backend tools (Node.js, Mongo,
SQL, GraphQL)
● Hands-on technical exposure in implementing Blockchain technologies
(Ethereum and Hyperledger Familiarity with Hyperledger Fabric and Solidity )
Understanding of Distributed Ledger technology, Blockchain ecosystem and
structure.
● Experience working in an Agile and DevOps environment.
● Knowledge on Mining, Hashing, Elliptic Curve Cryptography(ECC) and P2P
networking Extensive experience with progression of major projects from the
planning stage through to implementation and completion Effective
communicator to all stakeholders and management during project consulting
and analysis. Strong Software development background.
● Experience on Smart contract and Solidity, development tools for Ethereum
(testrpc, geth, Web3, eth_lightwallet, etc.
● Experience in writing smart contracts.
● Good understanding of NFTs and tokens.
● Experience in wallet integration like MetaMask and Coinbase Wallet.
Experience working with decentralized application protocols like DeFi..
Working knowledge of at least one of the Blockchain frameworks such
as Hyperledger Fabric, R3 Corda, Ethereum (Solidity).
● Experience working with large code-bases.
● Proficiency in one or more of the following languages: C++, Go, Solidity,
Rust, Node.js, React.js.
● Strong knowledge of Algorithms and Data Structures.
● Familiarity with Cryptography.
● Familiarity with P2P networks
● Strong knowledge of bitcoin-like blockchains.
● Strong knowledge of concurrency and writing efficient and safe multithreaded
code
● Familiarity with code versioning tools such as Git
Job Description :
You're going to be at the core of our development team. You'll mainly be coding in Node.js. You'll be doing a little bit of everything from writing backend code that communicates with other internal services, to working with APIs, to writing code that controls EC2 instances and so on.
Requirements :
- Strong understanding of object-oriented programming and functional programming and design concepts like - dependency injection, abstract classes, interfaces, data, providers, factories, middlewares, interceptors, orm
- Strong understanding of database architecture and design principles MySQL, mongo-DB. Understanding of MongoDB’s aggregation framework is a bonus.
- Excellent knowledge of Node.js frameworks (NestJs preferred) and experience in integrating libraries, authentication, queues, jobs, logger services. Past experience in working on multi-tenant SAAS product is a bonus.
- Experience with AWS, Architecture Design, and Web development.
- 1+ years of relevant experience
- Passionate about working in a startup and creating a great product
- Must be able to show us projects and or websites that you have created. Bonus points if you’ve created these projects/websites outside of your work (we love seeing proof of how much you love technology and coding).
- Must love to program, must be willing to learn, and must be creative. If you are the type of person who finds learning a new technology or language an exhilarating experience, this is the place for you.
Responsibilities :
- Working alongside front end developers, designers, and other backend developers creating cutting edge applications
- Delivering programming solutions for a variety of challenging and exciting projects
- Testing applications to ensure they meet users' expectations
- Integrating third-party APIs
- Deliver outstanding projects within tight deadlines
- Excellent knowledge in one or more of Python/NodeJS REST Frameworks
- Hands on experience in system architecture and data modelling. Experience with databases like MySQL, Postgres, MongoDB.
- Devops capabilities - with good understanding of deployments and cloud infrastructure. In depth knowledge of container architecture using Docker is must.
- Scaled systems using RabbitMQ/ Redis /Celery/ Kafka






