Designation : Backend - Mobile Application Developer
Location : HSR, Bangalore
About the Company
Making impact driven by Data.
Vumonic Datalabs is a data-driven startup providing business insights to e-commerce & e-tail companies to help them make data-driven decisions to scale up their business and understand their competition better. As one of the EU's fastest growing (and coolest) data companies, we believe in revolutionizing the way businesses make their most important business decisions by providing first-hand transaction based insights in real-time..
About the Role
We are looking to hire a Backend Software Engineer to design and build functional applications and work with our dynamic team of engineers to solve challenges that come with our rapidly evolving technical stack. You should be comfortable working with new technologies and architectures while working with a small team to take ownership of projects to ultimately deliver amazing global user experience. The ideal candidate needs to have experience building products and a firm understanding of web frameworks, APIs, databases, and multiple back end languages.
If you have a strong working knowledge of solving the challenges that impact both the front end and back end architecture and are hungry to learn, compassionate about your work and are familiar with the mentioned technical skills, we’d love to speak with you.
What you’ll do
- Building highly scalable distributed solutions that enable positive user experiences and measurable business growth
- Work with agile development methodologies, adhering to best practices and pursuing continued learning opportunities
- Ensure the performance, quality, and responsiveness of applications
- Collaborate with a team to define, design, and ship new features
- Help maintain code quality, organization, and automatization of application
- Architect and provide guidance on building end-to-end systems optimized for speed and scale
- Translate application storyboards and use cases into functional applications
- Identify bottlenecks and devise elegant solutions to improve the scope of functionality of the application
- Ensuring quality and performance as per expected specifications.
- Engage with inspiring designers and front end engineers as we create reliable APIs
What you need to have
TECHNICAL SKILLS
- Extensive experience with building web and mobile applications.
- Deep understanding of NodeJS with excellent debugging and optimization skills.
- Experience of designing and integrating RESTful API’s, client communication and product development.
- Understanding of unit/integration testing, deployment of applications and GCP is a plus.`
- Exposure to IMAP Protocol & mail related applications is a plus
- 2 or more years of working experience as a Backend Developer.

About VUMONIC
About
Connect with the team
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We are looking for a Python Backend Developer to design, build, and maintain scalable backend services and APIs. The role involves working with modern Python frameworks, databases (SQL and NoSQL), and building well-tested, production-grade systems.
You will collaborate closely with frontend developers, AI/ML engineers, and system architects to deliver reliable and high-performance backend solutions.
Key Responsibilities
- Design, develop, and maintain backend services using Python
- Build and maintain RESTful APIs using FastAPI
- Design efficient data models and queries using MongoDB and SQL databases (PostgreSQL/MySQL)
- Ensure high performance, security, and scalability of backend systems
- Write unit tests, integration tests, and API tests to ensure code reliability
- Debug, troubleshoot, and resolve production issues
- Follow clean code practices, documentation, and version control workflows
- Participate in code reviews and contribute to technical discussions
- Work closely with cross-functional teams to translate requirements into technical solutions
Required Skills & Qualifications
Technical Skills
- Strong proficiency in Python
- Hands-on experience with FastAPI
- Experience with MongoDB (schema design, indexing, aggregation)
- Solid understanding of SQL databases and relational data modelling
- Experience writing and maintaining automated tests
- Unit testing (e.g., pytest)
- API testing
- Understanding of REST API design principles
- Familiarity with Git and collaborative development workflows
Good to Have
- Experience with async programming in Python (async/await)
- Knowledge of ORMs/ODMs (SQLAlchemy, Tortoise, Motor, etc.)
- Basic understanding of authentication & authorisation (JWT, OAuth)
- Exposure to Docker / containerised environments
- Experience working in Agile/Scrum teams
What We Value
- Strong problem-solving and debugging skills
- Attention to detail and commitment to quality
- Ability to write testable, maintainable, and well-documented code
- Ownership mindset and willingness to learn
- Teamwork
What We Offer
- Opportunity to work on real-world, production systems
- Technically challenging problems and ownership of components
- Collaborative engineering culture
Job Title : Senior Node.js Developer (SDE 2)
Experience : 5+ Years
Location : Bengaluru (Whitefield)
Work Mode : Hybrid (3 Days WFO)
Openings : 2
Notice Period : Immediate–20 Days Preferred
Role Overview :
We are looking for an experienced Senior Node.js Developer (SDE 2) professional with strong expertise in building scalable backend applications, microservices, and distributed systems in Agile environments.
Mandatory Keywords :
Node.js, JavaScript, TypeScript, GraphQL, Microservices, Cloud, REST APIs, Docker, Kubernetes, Redis, System Design.
Key Responsibilities :
• Design, develop, and deploy scalable backend systems using Node.js & TypeScript.
• Build REST APIs and GraphQL services.
• Develop secure, reusable, and high-performance applications.
• Work on microservices, cloud platforms, and production support.
• Follow best practices including TDD, testing, and DevOps processes.
• Mentor team members and contribute to technical excellence.
Mandatory Skills :
• 5+ years of software development experience.
• Strong hands-on experience in Node.js, JavaScript, TypeScript.
• Experience with Express.js/Koa/Sails.js.
• GraphQL, REST APIs, Microservices
• AWS/Azure/GCP Cloud
• Docker, Kubernetes, Redis
• Strong understanding of distributed systems, Git, and DevOps.
Good to Have :
Kafka, RabbitMQ, Apollo Federation, New Relic, Datadog, Splunk, React.js/Next.js, Jest/Mocha/Cucumber
Interview Process :
- L1 – Technical
- L2 – Coding
- L3 – System Design (HLD + LLD)
Rel. Experience: 4+ Yrs. Minimum 3 Years of experience in NodeJs
· Javascript concepts
· NodeJS proficiency
· Web programming concepts
· SQL and DB concepts
· Caching concepts
· Knowledge of good programming practices
· Logical and analytical skills
· Communication
if interested please send your updated profile to valli at the rate of sangathr dotcom
BlackLight Gaming is looking for a top-notch, ambitious and driven Node. js developer who is confident of creating, maintaining and further optimising highly scalable backend supporting our multiplayer mobile games which are played by millions of players. If you're hard-working, enthusiastic, dedicated, have fire in the belly to accept challenges, then BlackLight Games is the place for you.
What You Bring to the team:
- More than 3+ years of experience developing serverless applications using public cloud like Google Cloud/ AWS
- Knowledge of Node. js and frameworks available for it.
- Strong proficiency with JavaScript
- Understanding the nature of asynchronous programming and its quirks and workarounds.
- Distributed system development with an understanding of latency, scalability, scheduling, asynchronous programming, and reliability
- Understanding fundamental design principles behind a scalable application
- Experience with services common to serverless architectures, like: AWS Lambda, DynamoDB, IAM, Firebase Real Time Database, Google Cloud SQL, Cloud Tasks. It’s a bonus if you have worked on Google Cloud Project and Firebase.
- Solid Experience with NoSQL and SQL databases is required with proven experience of creating database schemas that represent and support business processes.
- Integration of multiple data sources and databases into one system.
- Experience with deploying, maintaining, debugging live systems, and end-to-end testing and analysis
- Experienced in creating micro-services based architectures, reusable components
- Experience building REST APIs and other common application architectures on the above services
- Experience building data processing pipelines
- Solid understanding of code, design, and development practices
- General comfort in exploring, assessing, and learning new frameworks
- High levels of integrity and professionalism, and an ability to channel maximum amounts of energy into the role delivering premium customer service at all times
- Adhere to different Project Management methodologies (Agile etc) and leverage different CI/CD tools
Extra Gems for:
- Google, AWS and/or Industry certifications.
- Familiarity with object storage such as AWS S3, Firebase Storage, in-memory caches such as Redis
- Demonstrated performance of threat modeling, risk assessment techniques, code reviews in the context of DevSecOps security
- Knowledge of Application Monitoring using tools like Google Stackdriver
- Broad familiarity with other languages like J2EE, Python as we write some code in these as well.
- Experience with Github and advanced Github features.
- Experience of working in Product industry
- Open source contributions, interesting hobby projects.
Why Us?
- High Growth Startup environment
- Company sponsored courses and education material
- Lots of learning opportunities
- Work with a super-talented team of professionals
- Informal work-culture, Casual Dress Code, multiple outings and trips
- Performance Based Bonus
- Competitive Salary
- Medical Insurance for you and your family
- Subsidies Lunch and Unlimited Snacks, Tea & Coffee in the house at all time
What You'll Do :
You will be a part of our backend team working on keeping our REST API and GraphQL API up and running and making sure that our users get the right data at the right time.
You will have ownership of developing and maintaining our backend services including users, courses, and operations tools that manage our product and logistics.
You will work on architecting and scaling highly-available RESTful services and back-end systems from scratch.
This is a position for an experienced Node programmer with at least 2 years under the belt, but you don't have to be a rock star, a ninja, or a superhero to apply.
What You'll Need :
You will fit well in the backend team if you are passionate about technology and have experience programming in Node. Knowledge of technologies like Cassandra, Elasticsearch, PostgreSQL, REST and JSON will help you get going from day one.
As an experienced Node developer, you should be intimately familiar with the platform, with
JavaScript, and with the stables of full-stack web development : HTTP, JavaScript, CSS, HTML, SQL.
It's a bonus if you're broadly familiar with other languages as well- we write some services in Go and have data pipelines written in Python- but your main work will be JavaScript through and through.
You will be a perfect match with our team if you love collaborating with people from all disciplines to solve complex problems, always want to learn new skills and take ownership of your work.
Our client is a global leader in providing Omni-channel strategy, marketing, creative and technology services that uniquely connects companies to talent. Their goal is to improve how employers source, hire, engage, and retain talent, while creating an interactive experience that keeps job seekers top-of-mind. They provide client's access to a suite of integrated cloud based solutions and services with capabilities to source, nurture, and engage, the right-fit candidates.
All about the role :
- Senior Associate in India in the product engineering team acts as a partner to the business and provides technical leadership in one or more of our product lines. This individual will play a key role in product design, integration architecture, implementation, quality and product releases.
This person will report into Tech Manager/Architect.
- We are looking for a Senior level Lead NodeJS developer with advanced knowledge of NodeJS + Angular to join our product development team to build and extend a world class SaaS based Programmatic Media/Marketing Automation services.
Skills and Experience :
- Must have extensive experience with building services with Node.JS and related technologies
- Must have experience with SQL and database schema design
- Must have previous experience in leading a team
- Experience with RESTful web services, CSS, HTML5 is desirable
- Hands-on experience AngularJS/Angular
- Should have experience with any of the unit testing frameworks (eg: mocha). Working knowledge with quality plugins like jslint, jshint, jsbeautify, Istanbul would be an advantage.
- Experience with designing and building APIs with REST/Microservices
- Good to have knowledge with AWS Lambda & supporting configuration knowledge.
- Knowledge with any of the serverless frameworks like Serverless, AWS SAM would be an advantage.
- Must have experience with SCM tools with code repository & related operations (branching, merging, pull requests etc)
- Good to have knowledge with API Gateway and CloudFront.
- Good to have - Experience with various Core Java technologies and frameworks
- Experience with performance optimization and security vulnerabilities resolution would be an advantage
- Should have good communication skills, ability to work in a team (spread across geographies), problem solving skills & eye for detail. Leadership & Management
- Imbibe and represent our culture, core values and ensure the behavior and feedback is cascaded through the organization
- Provide feedback to the leadership team by demonstrating understanding of business, markets, and industry trends and needs.
- Own the growth plans of self, peers and team members in the product engineering teams.
Education and Experience Requirements :
- Bachelor's degree in Engineering or relevant fields.
- 6-9 years of experience in a role of a senior developer in technology and product development teams with at least 3 years of experience in leading a team.
- Experience of working in a global distributed development model.
- Track record of delivering high performance products.
- Experience of developing products and solutions in a SAAS model and cloud based technologies
- Product / Development Company background
- B2C / B2B prod experience
- Domain - digital - E-commerce, marketing, social, mobile, java
- Hands on tech with ability to manage or lead other developers in the team
Role: Javascript Developer [Backend Developer + Frontend]
Opening for MERN Stack Developer to lead scalable Development with competencies in:
- Expert of NodeJS, Express & MongoDB, REST Apis
- Experience in Docker
- Exposure to React, Redis, will be preferred.
Industry: IT-Software / Software Services (SaaS)
Functional Area: Internet & Cloud Technologies
Role Category: Programming & Deployment
Role: Software Developer
Employment Type: Permanent Job, Full Time
Desired Experience: 2-4 years
Desired Qualifications: B.E. / B.Tech / M.Tech / MCA
Key-Skills:
Node.js | Express | REST Api | Javascript | Redux-Saga | MongoDB | Web security TLS/SSL | Web Sockets | Promises & Call-backs | Database & Data structures | Redis | Elasticseach | React.Js
Key Deliverables:
- New feature design and implementation, Bug fixing, testing and performance tuning.
- Work on the API and Engines.
- Code deployment on cloud & maintenance of the same.
- Take complete ownership of a product/feature from setup to deployment.
- Time-bound feature delivery & updating.
- Cost-saving using efficient & effective technologies
Role and Responsibilities:
- Work on back-end (+ frontend integration) development of core scripts using NodeJS / MongoDB /Express /Redux, and Redis.
- Manage Key-value based databases like Redis.
- Active participation in the development of a sophisticated platform as one of the leading developers.
- Document code consistently throughout the development process by listing a description of the program, special instructions, and any changes made in database tables on procedural, modular and database level.
- Respond promptly and professionally to bug reports.
- Knowledge of bluebird.js (Promises), Async, etc will be of advantage.
- Coding and programming using Object-Oriented Programming, Data Structure and Algorithms, architecture/ design and build RESTful API.
- Passionate about building products and features and build the product from scratch with thrust on Web security, TLS/SSL, web sockets, etc
- Knows one or more of Wireframes/ Prototyping/ Functional Documentation of business.
Node JS Developer
JD:
• In depth knowledge of Node.js (with framework, probably Sails.js or at least Express.js)
• Thorough understanding of relational databases such as MySQL or similar technologies.
• Complete knowledge on MongoDB database.
• Excellent coding skill in Node.js, JavaScript
• AWS Hosting.
• Knowledge working closely with git.
• Experience with the Express.js framework.
• Proficiency in Linux environment.
• Agile/Scrum development cycle understanding.
• Excellent communication skills and being able to work independently or in a full team.









