
Sr. Backend Developer for a Product Based Company ( Node.js )
at Upskillist
Responsibilities:
- Resolve complex technical issues and make design decisions to meet the critical requirements of scalable, highly available, multi-tenant enablement of services in the cloud.
- Independently investigate, present options, review and implement completely new functionality OR re-architect an existing solution to meet growing needs
- You will work closely with other development teams, product management, UX, and QA to define and implement a new product offering while ensuring continued functionality.
- Work with various external (application) teams to integrate with the product and help guide the integration.
- You will implement solutions that include database schema, business logic, and some presentation layer work.
- You will use existing methods and best practices in the software industry to create features and platforms with the highest levels of security, reliability, efficiency, and scalability.
- Experience mentoring senior developers.
Requirements:
- 8+ years of experience in software development experience with a proven track record of making technical decisions
- 8+ years of experience in coding in more than one programming language, e.g. Python, GoLang, node.js, etc
- Intimate working understanding of modern web applications from the database to browser
- Intimate understanding of MongoDB and extensive experience with database-driven applications
- Great problem-solving skills and ability to abstract functional requirements
- Excellent communicator in both technical and non-technical contexts
- Experience designing and improving complex software applications
- Experience coaching and mentoring developers at various levels of experience
- You have a sound understanding of programming fundamentals & their application to highly scalable web-based systems.
- You have successfully led a small agile team.

About Upskillist
About
Providing upskillists globally practical, quality education and learning so they can effect real world change in their lives. Providing employers the ability to upskill their employees so they can recruit and retain more staff and deliver real business ROI. Reach out to [email protected]
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Minimum 5+ years in backend engineering with strong system design expertise
Experience building scalable systems from scratch
Expert-level proficiency in Node.js
Deep understanding of distributed systems
Strong NoSQL design skills
Hands-on AWS cloud experience
Proven leadership and mentoring capability
Preferred candidates from SAAS/Software/IT Services based startups or scaleup companies
Role : Nodejs developer
Please find below the JD for the Nodejs developer..
Role: NodeJs Developer
We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. A basic understanding of front-end technologies is necessary as well. Responsibilities
• Collaborate with other members of the team, such as front-end developers
• Writing reusable, testable, and efficient code
• Design and implementation of low-latency, high-availability, and performant applications
• Implementation of security and data protection
• Integration of data storage solutions • Writing unit test cases • Documenting application changes and developing updates.
Skills
• Strong proficiency with JavaScript
• Experience of Node.js and frameworks available such as Express
• Practical experience with REST, PostgreSQL, WebSocket, MongoDB, Redis.
• Understanding the nature of asynchronous programming and its quirks and workarounds
• User authentication and authorization between multiple systems, servers, and environments
• Integration of multiple data sources and databases into one system
• Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform • Creating database schemas that represent and support business processes
• Implementing automated testing platforms and unit tests
• Proficient understanding of code versioning tools, such as Git
• Good understanding of front-end technologies, such as HTML5, and CSS3
A backend developer is an engineer who can handle all the work of databases, servers,
systems engineering, and clients. Depending on the project, what customers need may
be a mobile stack, a Web stack, or a native application stack.
You will be responsible for:
Build reusable code and libraries for future use.
Own & build new modules/features end-to-end independently.
Collaborate with other team members and stakeholders.
Required Skills :
Thorough understanding of Node.js and Typescript.
Excellence in at least one framework like strongloop loopback, express.js, sail.js, etc.
Basic architectural understanding of modern day web applications
Diligence for coding standards
Must be good with git and git workflow
Experience of external integrations is a plus
Working knowledge of AWS or GCP or Azure - Expertise with linux based systems
Experience with CI/CD tools like jenkins is a plus.
Experience with testing and automation frameworks.
Extensive understanding of RDBMS systems
Summary
We are seeking a highly skilled and motivated Software Engineer with expertise in both backend development and DevOps practices. The ideal candidate will have a proven track record of designing, developing, and deploying robust and scalable backend systems, while also possessing strong knowledge of cloud infrastructure and DevOps principles. This role requires a collaborative individual who thrives in a fast-paced environment and is passionate about building high-quality software.
Responsibilities
Design, develop, and maintain backend services using appropriate technologies.
Implement and maintain CI/CD pipelines.
Manage and monitor cloud infrastructure (e.g., AWS, Azure, GCP).
Troubleshoot and resolve production issues.
Collaborate with frontend developers to integrate backend services.
Contribute to the design and implementation of database schemas.
Participate in code reviews and ensure code quality.
Contribute to the improvement of DevOps processes and tools.
Write clear and concise documentation.
Stay up-to-date with the latest technologies and best practices.
Qualifications
Bachelor's degree in Computer Science or a related field.
3+ years of experience in backend software development.
2+ years of experience in DevOps.
Proficiency in at least one backend programming language (e.g., Java, Python, Node.js, Go).
Experience with cloud platforms (e.g., AWS, Azure, GCP).
Experience with containerization technologies (e.g., Docker, Kubernetes).
Experience with CI/CD tools (e.g., Jenkins, GitLab CI, CircleCI).
Experience with monitoring and logging tools (e.g., Prometheus, Grafana, ELK stack).
Strong understanding of database technologies (e.g., SQL, NoSQL).
Excellent problem-solving and debugging skills.
Strong communication and collaboration skills.
Bonus Points
Experience with specific technologies used by our company (list technologies if applicable).
Experience with serverless architectures.
Experience with infrastructure as code (e.g., Terraform, CloudFormation).
Contributions to open-source projects.
Relevant certifications.
- 3+ years of working experience using NodeJS
- Knowledge on Express and/or React Js added advantage
- Experience in MongoDB and/or Postgres
- Experience in designing and developing serverless applications
- Knowledge of SOLID principles, Design patterns
- Good debugging skills using modern Dev Tools
- Experience with RESTful API development and integration
- Microservice experience is preferred
- Experience in Unit tests, code reviews
- Experience in cloud platforms – AWS is a plus
- Ability to up-skill in new technologies
- Innovative thinker with strong problem-solving skills
Functional Competence
- NodeJS
- NPM
- RESTful API
- Microservice
- MongoDB
- Postgres
We are looking for an experienced NodeJS/ExpressJS/TypeScript developer. You will work on the most
critical software development team in a fast-growing data-centric software company. You will develop high performance, highly available REST and GraphQL APIs that will deliver data to our suite of web and mobile
apps.
Duties and Responsibilities
Software Development: You will work with the engineering lead to design and develop REST and
GraphQL APIs that will serve data from MongoDB and ElasticSearch.
Automated Test Scripts: You will write automated test scripts for all of your code. You will work with
the QA manager to determine optimal code coverage.
Code Reviews: You will assist in reviewing PRs raised by other team members. You will be
responsible for ensuring that the code satisfies the documented requirements, includes the necessary
automated tests and follows our documented coding standards and best practices.
API Support: API issues will be reported manually and automatically (via alerts) to a series of Slack
channels. You will monitor these channels and create Jira tickets to diagnose and fix these issues. You
will ensure that affected API consumers are informed regularly as to the status of the open issues.
API Documentation: You (and the rest of the API team) will be responsible for keeping the API
documentation up to date.
Skills and Qualifications
Bachelor's degree in computer science, information science, or similar.
Exceptional analytical and problem-solving skills.
Great organizational and time management skills.
Extensive knowledge of NodeJS libraries and frameworks.
REST APIs: 3+ years required.
GraphQL APIs: 1+ years desired.
ExpressJS or Fastify: 2+ years required
Advanced TypeScript: 1+ years required
NodeJS: 2+ years required
Node Streams: 1+ years desired
AWS High-Availability Clusters: 1+ years desired
MongoDB: 2+ years desired
Search Engines (ES or Solr): 2+ years desired
Big Data: 1+ years’ experience querying datasets with hundreds of millions of rows desired
Mocha/Chai: 1+ years desired
Bitbucket or GitHub: 1+ years required
"Zelon is in process of creating a health tech ecosystem for
monitoring, analysing and tracking the medical health of an individual's family. An incredibly rare opportunity for joining a well-funded early-stage start-up, providing a C-Level Exposure to a passionate technologist with scaled consumer tech experience to lead a Health Technology start-up with both mission and tremendous value creation upside"
Job Description:
-
Ability to understand business requirements and translate them into technical requirements.
-
Design and develop mobile applications.
-
Worked upon Node.js, JavaScript platform, DB Structuring, and automation of internal structure.
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Conceptualising and formulating apps that are suitable for use on all types of devices.
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Unit-test code for robustness, including edge cases, usability, and general reliability.
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Experience in creating modules, phase timelines etc.
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Expert in the fast iteration of applications.
Technical Requirement:
• Node.js
Additional Technical Requirement:
-
MongoDB
-
Express.js
-
Database Structuring
-
Dev Ops
-
AWS
-
Could Services
Important:
Experience: Minimum 1 year in Node.js. Education: BE/BTech, MSC
Why Join Us?
Great teammates and passionate company culture Building from the ground up
The opportunity to join India's next unicorn is rare Excellent work environmentJoining Date: Immediate
Base Location: Mumbai
Desired candidates must have 3-7 years of experience as NodeJs Developer.
If the candidate cannot relocate to Gurgaon, 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
We are planning to expand our team to explore new opportunities and looking for creative, enthusiastic, and passionate individuals to join our team.
Job Description
- Engage in Node.js back-end development with MongoDB
- Work on Backend programming
- Work on databases
- Coordinate with front end teams for overall project overview
- Create User stories and UML, documentation of the business goals
- Must have knowledge of Node.Js, HTML, CSS
- Knowledge of git and AWS
- Proficient in Data Structures and Algorithms
- Good in Object oriented design
- Ability to work independently and manage the entire backend of all platforms associated with Rejolut
- Exemplary tasks – Explore something new every day!
- Responsibility – Bring in your own ideas and get supported in executing them.
- Fun – Experience a family culture & celebrate with the founders & team.
- Team – Be a part of a high-performance & cultural diverse team
- Freshers can apply
- Students in their last semester or passed out in 2020 can also apply
- Working days: Monday to Friday
- Timings: 11:00 am to 7:00 pm
- Duration of internship: 6 months/PPO(Performance Basis)
Stipend: INR 10,000 -15000 / per month
Please apply only if -
- You are available for the above said duration.
- You prefer to work in a fast paced environment with growth & learning opportunities
- If you have not applied for an internship before with us.
- have relevant skills and interests
Rejolut - As a Career Differentiator
- We are a young and dynamic team who are obsessed with solving futuristic and evolutionary business problems at scale with the next generation technology like blockchain, crypto and machine learning. Focuses on empowering people across the globe to be technically efficient, making advancements in technology and providing new capabilities that were previously thought impossible.
- We provide exposure to higher learning opportunities so that you can work on complex and cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, WebAssembly. Strong expertise in blockchain and crypto technology and working with the networks like Hedera Hashgraph, Tezos, BlockApps, Algorand, Cardano.
- We maintain high end transparency with clients and employees as Visibility unlocks Efficiency and trust unlocks Visibility.
- Company is backed by two technology Co-founders, well-versed with consumer applications and their work has been downloaded millions of times and have led teams in leadership positions in companies like Samsung, Purplle, Loyalty Rewardz.
Benefits :
- Health Insurance
- Work from Home
- Fast growth and more visibility into the company
- Experience to work on the latest technology
- Competitive Learning Environment with supportive co-workers
- Employee friendly HR Policies
- Paid leaves up to certain limits
- Liberal working atmosphere
- Get mentored by the best in the industry











