
Backend Developer - Node.js
at Cllient is developing AI products for hospitality industry
Stalwart Themius is hiring a Backend Developer - Node.js to join our client's team in Mumbai. The selected candidate will work on cutting-edge technology and product. He/She will gain experience and will stand an opportunity to be hands-on, collaborative and fluent in the latest server-side, web capabilities and technologies. This will include all aspects of the creative process from conceptualizing to completion including design, development, presenting ideas, and working with the leadership team.
- Role: NodeJS Developer
- Experience: 1 - 4 years
- Location: Airoli, Navi Mumbai
Responsibilities:
- Use your knowledge about High Availability, Load Balancing, Scalability, and Distributed Computing in order to design database architectures and data structures that can grow with our business
- Collaborate with Product, Engineering and Business teams to drive the architecture, design, development and deployment of our analytics and a reporting portal
- Identify and address architecture challenges to ensure a robust, safe, securely accessible, highly available and highly scalable product that meets or exceeds customer and end-user expectations
- Collaborate with leadership and technology teams on creative concepts, and then launch and shape the required design components for each presentation and/ or production
- Able to work closely / collaborate with multiple product development teams including software developers
Primary Skills:
- 1-4 years of experience with Node.JS
- 1-4 years of experience with NoSQL (MongoDB)
- Experience with Agile Software Development
Preferred Skills:
- Knowledge of Software Deployment
- Knowledge of IT Security for Web Services
- Expert in using Revision Control Systems (Git)
- Must have outstanding communication and collaboration skills
Benefits:
- Competitive salary and benefits package.
- Opportunity to work with a growing company.
- Collaborative and supportive work environment.
- Opportunities for professional development.

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Job Title : Python Django Developer
Experience : 3+ Years
Location : Gurgaon Sector - 48
Working Days : 6 Days WFO (Monday to Saturday)
Job Summary :
We are looking for a skilled Python Django Developer with strong foundational knowledge in backend development, data structures, and operating system concepts.
The ideal candidate should have experience in Django and PostgreSQL, along with excellent logical thinking and multithreading knowledge.
Main Technical Skills : Python, Django (or Flask), PostgreSQL/MySQL, SQL & NoSQL ORM, Microservice Architecture, Third-party API integrations (e.g., payment gateways, SMS/email APIs), REST API development, JSON/XML, strong knowledge of data structures, multithreading, and OS concepts.
Key Responsibilities :
- Write efficient, reusable, testable, and scalable code using the Django framework
- Develop backend components, server-side logic, and statistical models
- Design and implement high-availability, low-latency applications with robust data protection and security
- Contribute to the development of highly responsive web applications
- Collaborate with cross-functional teams on system design and integration
Mandatory Skills :
- Strong programming skills in Python and Django (or similar frameworks like Flask).
- Proficiency with PostgreSQL / MySQL and experience in writing complex queries.
- Strong understanding of SQL and NoSQL ORM.
- Solid grasp of data structures, multithreading, and operating system concepts.
- Experience with RESTful API development and implementation of API security.
- Knowledge of JSON/XML and their use in data exchange.
Good-to-Have Skills :
- Experience with Redis, MQTT, and message queues like RabbitMQ or Kafka.
- Understanding of microservice architecture and third-party API integrations (e.g., payment gateways, SMS/email APIs).
- Familiarity with MongoDB and other NoSQL databases.
- Exposure to data science libraries such as Pandas, NumPy, Scikit-learn.
- Knowledge in building and integrating statistical learning models.
- 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
3+ years of experience developing Backends using NodeJS. Should be well versed with its asynchronous nature, event loop, promises, and callbacks.
Node expressProficient in Node.js and working knowledge of JavaScript, JQuery, AJAX, HTML, CSS, and frameworks ( React.js)
Experience in Node JS MVC framework and Rest API frameworks like Express.
Experience developing desktops.
Experience in Mongo DB.
Familiarity with using AWS components.
Postman for documenting/testing APIs.
Should have hands-on experience in the following:
- Hands on experience in designing and developing applications using NodeJS and have at least 3 - 4
- years’ experience on the same.
- Should have excellent in-depth knowledge on Nodejs and Mongo DB.
- Working knowledge of RESTful web services.
- Basic understanding of front-end technologies, such as HTML5, and CSS3.
- Integration of user-facing elements developed by front-end developers with server side logic
- Design and implementation of low-latency, high-availability, and performant applications
- Proficient understanding of code versioning tools, such as Git
- Good communication skills.
- Experience in working effectively within a team.
- Developing and maintaining all server-side network components.
- Ensuring optimal performance of the central database and responsiveness to front-end requests.
- Collaborating with front-end developers on the integration of elements.
- Designing customer-facing UI and back-end services for various business processes.
- Developing high-performance applications by writing testable, reusable, and efficient code.
- Implementing effective security protocols, data protection measures, and storage solutions.
- Running diagnostic tests, repairing defects, and providing technical support.
- Documenting Node.js processes, including database schemas, as well as preparing reports.
- Recommending and implementing improvements to processes and technologies.
- Keeping informed of advancements in the field of Node.js development.
- Analyzing complex object-oriented programming structure
- MVC model
- Relational database
- Database join clause
- API integration
- Other requirements
- Passionate about effective programming
- Responsibility for major tasks and chores
- Good to have Javascript knowledge
- Willing to resolve technical debt in the early step
- Good understanding of sprint cycle in agile
- Can communicate with developers and non-developers
- Can work independently but a great collaborator
- Good to have an experience with Node and MySQL
- Serverless API experience is not counted
- Good to have Git workflow knowledge
- Good to have Github collaboration experience
• Develop key functionality and core capabilities for using
Java/J2EE stack
• Design and develop RDandX Network’s microservices and ensure bug free code is pushed to
the deployment pipeline to support large volume of transactions
• Define and communicate the technical design requirements to the Network’s stakeholders
and the Engineering lead
• Responsible for building restful services to integrate with third party services like AdWords
and Facebook marketing API
• Responsible for designing the technical architecture of the different services and
maintaining and upgrading it
• Designing the unit test cases and building the framework for the development team to
enforce the unit testing in all the services
• Be involved and participate in the end to end products’ lifecycle management
• Learn about new technologies and Stay up to date with best practices
• Collaborate with multidisciplinary team of designers, engineers, system administrators and
product team
• Lead the Backend team and manage their day to day activities and work deliverables
Should have:
i. 4-7 years of Working Experience
ii. Experience of Java, J2EE, Spring boot, PostgreSQL
iii. Should have working knowledge of Jenkins, Git, Maven, Glassfish or Tomcat server
iv. Experience on working with cloud technologies like AWS (Kinesis, Lamda, SQS) or GCP (Pub/Sub,
DataProc, DataFlow) is desirable
v. Have experience working with large scale data real time processing systems
vi. Should have working experience on building event driven micro services APIs
vii. Elastic search experience and K8 experience is good to have
Job Title: Ruby on Rails - Developer / Technical Lead
Job Description
About the Company:
We are a Data as a Service company that helps businesses harness the power of data. Our technology fuels some of the most interesting big data projects in the world. We are a small bunch of people working towards shaping the imminent data-driven future by solving some of its fundamental and toughest challenges.
The experience is about striving to become the best version of ourselves holistically, an experience that lasts a lifetime. We tend to have clear growth paths for every role and level in the org so the learning never stops. We believe in a work-life blend, and hence encourage responsible flexibility, which is particularly important in a fully remote setup we have. We trust our people with the impact they can create, and let them choose how they want to do so. We are on a mission to put reliable data at the heart of every business to fuel success and intend to transform the lives we touch (of our customers and our people) while on this journey.
Roles and Responsibilities:
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Leading development projects end to end in all stages of the iterative product development lifecycle, from requirements gathering to testing.
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Break down problem statements and come up with a scalable design, implementation plan, test plan and execute them with the team on promised timelines.
-
Being a strong advocate for object-oriented design and guide/coach other team members with best practices on Development and QA
-
Collaborate with different teams and own up technical initiatives, bringing in new tools and technologies that help us in strengthening scalability, security, and maintainability of our codebase.
Preferred Skills and Experience:
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Hands-on experience with modern Ruby on Rails practices and development.
-
Write highly scalable and maintainable code while keeping agility in mind.
-
Demonstrable knowledge of front-end technologies such as JavaScript, HTML, CSS and JQuery
-
Experience with SQL Databases and NoSQL datastores; with previous experience with MySQL and ElasticSearch being a bonus
-
Substantial experience with BDD or TDD and testing frameworks
-
Experience in Linux environment and basic Linux commands.
-
Awareness/experience in setting up and configuring rails applications and other related services is a big plus – eg: Nginx, puma, Redis.
-
Awareness/experience in any one of the modern front-end frameworks Angular, Ember, React, Vue.
-
A high-performance mindset to deliver good quality code and also an understanding of the product with a keen attention to detail.
-
Great communication, particularly in explaining your coding processes, suggestions for best practices, and identifying ways to improve the team's coding quality.
Years of Experience:
1 - 6 Years
Skills: ROR, RUBY ON RAILS
Perks
-
An environment where each employee is celebrated.
-
A one-time home office setup allowance, monthly allowances for internet bills, child care allowance for new mothers/single parents.
-
Half-yearly performance appraisals
-
Flexible working hours
-
Competitive salary











