Job description
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. You will also be responsible for integrating the front-end elements built by your co-workers into the application.
Responsibilities:
Have the passion and experience for building responsive, elegant and engaging experiences with future friendly web technologies
Integration of user-facing elements developed by front-end developers with server side logic
Writing reusable, testable, and efficient code with proper documentation
Design and implementation of low-latency, high-availability, and performance applications
Implementation of security and data protection
Integration of data storage solutions
Continually keep yourself and your design team updated with the latest changes in your industry’s standards
Requirements
1+ years Experience
Strong proficiency with JavaScript
Knowledge of Node.js, Express.js and other frameworks required to create a scalable and effective application
Understanding the nature of asynchronous programming and its quirks and workarounds
Good understanding of basics of SQL and/or NoSQL databases
Very strong understanding of working with at least one SQL or NoSQL database in node js(Without ORM preferably)
Understanding of commonly used node modules
Good understanding of server-side templating languages
Good understanding of server-side CSS pre-processors such as SASS, LESS, etc.
Basic understanding of front-end technologies, such as HTML5, and CSS3
Understanding accessibility and security compliance
User authentication and authorization between multiple systems, servers, and environments using OpenID, OAuth2.0, etc.
Creating secure and scalable APIs using standards like REST API, GraphQL, etc.
Integration of multiple data sources and databases into one system
Understanding fundamental design principles behind a scalable application
Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimising output to match the specific platform
Creating database schemes that represent and support business processes
Implementing automated testing platforms and unit tests
Proficient understanding of code versioning tools, such as GIT Critical thinker and problem-solving skills Team player Good time-management skills Great interpersonal and communication skills.

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Key Responsibilities:
Backend Ownership
- Own the design, evolution, and reliability of mission-critical backend systems.
- Ensure scalability, performance, maintainability, and overall system health.
- Lead technical initiatives to address scaling challenges, technical debt, and architectural improvements.
System Design & Architecture
- Drive both High-Level Design (HLD) and Low-Level Design (LLD).
- Design scalable APIs, data models, service boundaries, and asynchronous workflows.
- Make sound engineering trade-offs balancing delivery speed with long-term system health.
Code Quality & Engineering Excellence
- Improve backend code quality through architecture reviews, code reviews, and refactoring.
- Simplify complex codebases and establish maintainable engineering patterns.
- Introduce best practices and guardrails to improve long-term maintainability.
Database & Performance Optimization
- Optimize PostgreSQL performance through schema design, indexing, query optimization, and tuning.
- Improve application performance using caching strategies and asynchronous processing.
- Design and operate analytics pipelines using ClickHouse or similar large-scale data systems.
- Work with messaging systems such as RabbitMQ or equivalent.
Technical Leadership
- Mentor backend engineers on architecture, debugging, and engineering best practices.
- Influence technical direction through thoughtful design discussions and strong technical reasoning.
- Raise overall engineering standards across teams.
Production Ownership
- Own production stability, incident management, and root cause analysis.
- Improve observability, monitoring, debugging, and operational excellence.
- Drive long-term reduction in production incidents and operational overhead.
Required Skills & Experience
Must Have
- 7+ years of backend engineering experience.
- Strong expertise in Node.js.
- Deep experience with PostgreSQL, including performance tuning and optimization.
- Experience designing and operating distributed backend systems.
- Strong understanding of system design, scalability, and microservices architecture.
- Experience owning backend services end-to-end—from architecture to production support.
- Strong debugging and problem-solving skills.
- Experience improving code quality, maintainability, and engineering standards.
Good to Have
- Experience with RabbitMQ or similar messaging systems.
- Experience with ClickHouse or large-scale analytics platforms.
- Experience deploying and managing applications on AWS.
- Strong knowledge of observability, monitoring, and production reliability.
What We're Looking For
Engineering Mindset
- Passion for improving existing systems rather than simply building new ones.
- Ability to simplify complex architectures and create maintainable solutions.
- Strong focus on writing clean, readable, and scalable code.
- Testing mindset with emphasis on reliability and long-term quality.
- Ability to evaluate technical trade-offs and design for future scalability.
Leadership Without Authority
- Influence technical decisions through expertise and clear reasoning.
- Challenge scope or timelines when necessary to protect system health.
- Mentor engineers and elevate overall engineering standards.
- Lead by example through hands-on technical excellence.
Why Join Vahan?
- Unlimited Paid Time Off (PTO)
- Comprehensive Medical Insurance
- Monthly Wellness Leaves
- Competitive Compensation
- Opportunity to solve large-scale engineering challenges impacting millions of users
- Ownership-driven engineering culture with significant technical autonomy
- Work alongside exceptional engineers building products that create meaningful social impact
Backend - Software Development Engineer III
Experience - 7+ yrs
About Wekan Enterprise Solutions
Wekan Enterprise Solutions is a leading Technology Consulting company and a strategic investment partner of MongoDB. We help companies drive innovation in the cloud by adopting modern technology solutions that help them achieve their performance and availability requirements. With strong capabilities around Mobile, IOT and Cloud environments, we have an extensive track record helping Fortune 500 companies modernize their most critical legacy and on-premise applications, migrating them to the cloud and leveraging the most cutting-edge technologies.
Job Description
We are looking for passionate software engineers eager to be a part of our growth journey. The right candidate needs to be interested in working in high-paced and challenging environments leading technical teams, designing system architecture and reviewing peer code. Interested in constantly upskilling, learning new technologies and expanding their domain knowledge to new industries. This candidate needs to be a team player and should be looking to help build a culture of excellence. Do you have what it takes?
You will be working on complex data migrations, modernizing legacy applications and building new applications on the cloud for large enterprise and/or growth stage startups. You will have the opportunity to contribute directly into mission critical projects directly interacting with business stakeholders, customers technical teams and MongoDB solutions Architects.
Location - Chennai or Bangalore
- Relevant experience of 7+ years building high-performance back-end applications with at least 3 or more projects delivered using the required technologies
- Good problem solving skills
- Strong mentoring capabilities
- Good understanding of software development life cycle
- Strong experience in system design and architecture
- Strong focus on quality of work delivered
- Excellent verbal and written communication skills
Required Technical Skills
- Extensive hands-on experience building high-performance web back-ends using Node.Js and Javascript/Typescript
- Min two years of hands-on experience in NestJs
- Strong experience with Express.Js framework
- Implementation experience in monolithic and microservices architecture
- Hands-on experience with data modeling on MongoDB and any other Relational or NoSQL databases
- Experience integrating with any 3rd party services such as cloud SDKs (Preferable X), payments, push notifications, authentication etc…
- Hands-on experience with Redis, Kafka, or X
- Exposure into unit testing with frameworks such as Mocha, Chai, Jest or others
- Strong experience writing and maintaining clear documentation
Good to have skills:
- Experience working with common services in any of the major cloud providers - AWS or GCP or Azure
- Technical certifications in AWS / Azure / GCP / MongoDB or other relevant technologies
At Webcyper Pvt Ltd, we are a growing technology company building innovative web solutions for our clients. We focus on delivering high-quality digital products, and we’re on a mission to scale our operations with talented, passionate individuals.
If you're a problem solver, love clean code, and are excited to work in a fast-paced startup environment — we want to hear from you!
Key Responsibilities:
Develop, test, and maintain high-quality web applications using Python and Django framework.
Work closely with frontend developers and designers to implement user-friendly interfaces.
Integrate third-party APIs and services.
Write clean, reusable, and efficient code.
Optimize applications for speed and scalability.
Troubleshoot, debug, and upgrade existing applications.
Participate in code reviews and technical discussions.
Stay up-to-date with emerging trends and technologies in backend development.
You will break down business opportunities and problems into software solutions. You will work closely with the CTO to help product and marketing stakeholders distill the product vision and roadmap, into a technology vision. You will be responsible for the evolution of an already bleeding-edge highly distributed systems at the back-end, and would need to work withfront-end architects to come up with the best user experience for the gaming platform. You will be required to make decisions quickly, and work under strict timelines. You would lead technology strategy through analysis of market trends and product requirements. You would help set coding guidelines and help bring the most modern tools to keep engineering processes most efficient.
Requirements:
● B.E/MS in Computer Science or equivalent.
● 10+ years or more of progressive software technology experience with at least 3 years
in an architectural role.
● Completely hands on with technology and architecture. Start-up experience is a huge
plus.
● Ability to quickly prototype and demonstrate technology value adds and educate + drive
adoption within the extended technology team
● Excellent and robust understanding of scalable product system architecture(s),
platforms and core technologies
● Demonstrated problem-solving and leadership skills to pursue correct engineering
process in adverse conditions. Ability to embrace and demonstrate leadership beyond
ownership
● Work with engineering leadership to setup and manage processes.
● Track record of thought leadership and out of the box thinking in the technology arena.
● Ability to work efficiently in an entrepreneurial and in a start-up environment
● A Java/Spring/Akka, Javascript or Golang rockstar.
● Deep and hands on knowledge of some of these technologies - MySQL, NodeJS,
message brokers such as Kafka/RabbitMQ, NoSQL datastore such as Mongo, Cassandra,
Arango, distributed caches such as Redis/memcached, container technology such as
Docker and Kubernetes etc.
● Great proficiency in distributed systems design, with an ability to make the right
trade-offs for creating future-proof solutions.
● Building quick PoCs and full-fledged solutions with various AWS managed services would
be a big plus.
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
💥 What will you do?
As a Lead Backend Engineer, you will
- Build out and help scale our Django (+ReactJS / VueJS) based web application as we add new features and customers
-
Help us transition from monolithic system architecture to microservices and serverless system architecture to help meet our future scaling requirements
- Collaborate on a daily basis with a small, nimble team of product managers, engineers, and UX designers to understand business requirements and user experience goals and pain points.
- Build out features to enable multi-channel customer acquisition include partner channels, enterprise channels, and government channels
- Integrate third-party plugins to enhance customer experience and internal tooling build internal tooling to improve internal team efficiencies.
- Actively participate in code reviews
- Work with our quality assurance team to improve coverage on our automated testing suites
🙋 What are we looking for?
While we do not have a strict list of requirements for candidates interested in this role, some indicators that you would fit this role and our engineering culture are
-
Prior experience of a few years (3+ years) with python based frameworks as Django or Flask would be essential to work on our application stack.
-
You actively promote a culture of engineering excellence some of which could be writing efficient code, use of elegant design patterns, and styling your code through code-linting policies.
-
You enjoy designing software architecture by collaborating with engineering managers, architects, and other lead engineers to explore existing systems, determining areas of complexity, potential risks to successful implementation.
- You enjoy coaching folks to achieve outcomes through nudges.
📢 Other information you may want to consider
- We will be flexible for the rest of the pandemic and work remotely; however, we are not a remote-first company, and the work location would be Bangalore when things settle.
- Our backend tech stack includes Django, FastAPI, Postgres, Redis, Clickhouse, and TigerGraph. Our environments are managed through Docker, Kubernetes, and Terraform.
Rejolut is one of the award-winning fastest-growing emerging tech company which is working on leading technology like Blockchain, ML & AI, Complex mobile & web apps, IoT, etc.
The ideal candidate will be responsible for developing a highly scalable and secure code.
Responsibilities:-
- Able to take the Extreme Ownership of modules/product/projects
- Able to learn & implement new technology/framework/library at God Speed
- Able to come with an optimal solution for the business problem
- Can handle calls with the client & customer to know their feedback
- Writing clean code & able to dig into other's code or open-source code.
Desired Candidate Profile:-
- Good problem-solving skills are a must
- Expertise in Node.js development, Javascript (hands-on Experience )
- Exposure to developing APIs with Node JS
- Knowledge of Node.js and frameworks available for it such as Express, sails.js, StrongLoop, etc
- Knowledge of SQL and NoSQL database
- Knowledge of tools like Docker, Git, Postman, JSdocs, etc.
- Basic understanding of front-end technologies, such as HTML5, and CSS3
- Added advantage (Python or Ruby or Golang)
- Self-motivated and able to drive the team
- Good communication and interpersonal skills
- Experience in working in fintech is a plus
How we are different
-We are a young and dynamic team who are obsessed with solving the business problem at scale.
-We are a technology agnostic company that focuses more on finding the optimal solution to the business problem rather than technology.
Why join us
- We provide a huge learning curve. Spending 1.5-2 years with us will put you 3 years ahead in the career.
- We work only on cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, ELM
- There are two technology Co-founder in the company who are pretty much hands-on and have earlier bult the Consumer application which is downloaded millions of times and are in leadership position in copanies like Samsung, Purplle, Loylty Rewardz.
- Get mentored by the best in the industry
- Flexible working hours
- Perks best in the industry
Requirement Analysis
- Programming/Software Development
- Developer Testing
- Code Review
- Client Handling








