
ob Description:
We are looking for Tech geeks having hands-on experience and in love with building scalable, distributed and large web/mobile products and tech solutions. He/She must be an excellent problem solver with passion to self-learn and implement web technologies (frontend + backend). He/She would be responsible for the architecture design, code review, and technology build and deployment activities of the product.
Responsibilities:-
- Own the product development from scratch.
- Architect scalable, distributed and large-scale web and mobile solutions from scratch.
- Code for fresh development and to troubleshoot and resolve issues.
- Writing reusable, testable, and efficient code.
- Creating database schemas that represent and support business processes.
- Design and implementation of low-latency, high-availability, and performant applications.
- Able to learn & implement new technology/framework/library at God Speed.
- Customer-focused, react well to changes, work with teams and be able to multitask.
- Experience and knowledge of open-source tools and frameworks, broader cutting edge technologies around server side development.
Desired Candidate Profile:-
- A Bachelor's degree in Computer Science or related field(or combined with related experience)
- Strong Expertise in Node.js/Javascript
- Hands-on experience in writing Node.js applications
- Deep knowledge of Restful APIs, Web Services, command-line programs and solid design principles.
- Knowledge of Node.js and frameworks like Express.js,Sails.js,StrongLoop, Meteor,Loopback.js, etc
- Knowledge of SQL and NoSQL database(MongoDB)
- Knowledge of tools like Docker, Git, Postman, JSdocs, etc.
- Well versed with front-end technologies - HTML5, and CSS3, AWS, GCP, Azure, Good hold on CLI command, OS
- Proficiency in multiple programming languages, both dynamic(Javascript, Python, Ruby, etc.) and strongly typed object-oriented language.
- Implementing automated testing platforms and unit tests.
- Must be a proven performer and team player that enjoys challenging assignments in a high energy, fast growing and start-up workplace.
- Good communication and interpersonal skills.

About Rejolut
About
Rejolut is one of the award winning fastest growing emerging tech company which is working leading technology like Blockchian, ML & AI, Complex mobile & web apps, IoT etc.
We are a team that loves creativity and technology. We create products we are proud of. We fuse innovation with art to achieve Different, Intutive & Quality products.
Our Dogma: We don't make shit.
How we are different
-We are young and dynamic team who are obsessed with solving business problem at scale.
-We are a technology agnostic company who focus more on finding the optimal solution to business problem rather than technology itself.
Why to join us
- We provide 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 time and are in leadership position in companies like Samsung, Purplle, Loylty Rewardz.
- Get mentored by the best in the industry
- Flexible working hours
- Perks best in the industry
- Flat structure, no hierarchy
Culture
- Fast-paced, intellectually stimulating, steep learning, and growth
- Close-knit, hardworking, supportive colleagues
- Challenging work
- Flat organization with no hierarchy
- If you like problem solving, and love latest tehnical innovations, there are very few better places
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Backend Engineer (MongoDB / API Integrations / AWS / Vectorization)
Position Summary
We are hiring a Backend Engineer with expertise in MongoDB, data vectorization, and advanced AI/LLM integrations. The ideal candidate will have hands-on experience developing backend systems that power intelligent data-driven applications, including robust API integrations with major social media platforms (Meta, Instagram, Facebook, with expansion to TikTok, Snapchat, etc.). In addition, this role requires deep AWS experience (Lambda, S3, EventBridge) to manage serverless workflows, automate cron jobs, and execute both scheduled and manual data pulls. You will collaborate closely with frontend developers and AI engineers to deliver scalable, resilient APIs that power our platform.
Key Responsibilities
- Design, implement, and maintain backend services with MongoDB and scalable data models.
- Build pipelines to vectorize data for retrieval-augmented generation (RAG) and other AI-driven features.
- Develop robust API integrations with major social platforms (Meta, Instagram Graph API, Facebook API; expand to TikTok, Snapchat, etc.).
- Implement and maintain AWS Lambda serverless functions for scalable backend processes.
- Use AWS EventBridge to schedule cron jobs and manage event-driven workflows.
- Leverage AWS S3 for structured and unstructured data storage, retrieval, and processing.
- Build workflows for manual and automated data pulls from external APIs.
- Optimize backend systems for performance, scalability, and reliability at high data volumes.
- Collaborate with frontend engineers to ensure smooth integration into Next.js applications.
- Ensure security, compliance, and best practices in API authentication (OAuth, tokens, etc.).
- Contribute to architecture planning, documentation, and system design reviews.
Required Skills/Qualifications
- Strong expertise with MongoDB (including Atlas) and schema design.
- Experience with data vectorization and embeddings (OpenAI, Pinecone, MongoDB Atlas Vector Search, etc.).
- Proven track record of social media API integrations (Meta, Instagram, Facebook; additional platforms a plus).
- Proficiency in Node.js, Python, or other backend languages for API development.
- Deep understanding of AWS services:
- Lambda for serverless functions.
- S3 for structured/unstructured data storage.
- EventBridge for cron jobs, scheduled tasks, and event-driven workflows.
- Strong understanding of REST and GraphQL API design.
- Experience with data optimization, caching, and large-scale API performance.
Preferred Skills/Experience
- Experience with real-time data pipelines (Kafka, Kinesis, or similar).
- Familiarity with CI/CD pipelines and automated deployments on AWS.
- Knowledge of serverless architecture best practices.
- Background in SaaS platform development or data analytics systems.
Senior Software Engineer
AiSensy
Gurugram, Haryana, India (On-site)
About AiSensy
AiSensy is a WhatsApp based Marketing & Engagement platform helping businesses like Adani, Delhi Transport Corporation, Yakult, Godrej, Aditya Birla Hindalco, Wipro, Asian Paints, India Today Group, Skullcandy, Vivo, Physicswallah, and Cosco grow their revenues via WhatsApp.
- Enabling 100,000+ Businesses with WhatsApp Engagement & Marketing
- 400 Crores+ WhatsApp Messages exchanged between Businesses and Users via AiSensy per year
- Working with top brands like Delhi Transport Corporation, Vivo, Physicswallah & more
- High Impact as Businesses drive 25-80% Revenues using AiSensy Platform
- Mission-Driven and Growth Stage Startup backed by Marsshot.vc, Bluelotus.vc & 50+ Angel Investors
Key Responsibilities:
- Build Scalable Architecture to handle millions of messages per day.
- Lead a team of engineers and guide them on a day to day basis.
- Collaborate with product managers, designers, and other engineers to define and implement new features and enhancements.
- Write clean, maintainable, and efficient code following best practices and coding standards.
- Conduct code reviews to ensure code quality and adherence to standards.
- Identify and resolve performance bottlenecks, bugs, and other issues.
- Mentor and provide guidance to junior engineers, fostering a culture of continuous learning and improvement.
- Participate in architectural discussions and contribute to the technical direction of the team.
- Stay up-to-date with the latest industry trends and technologies, and incorporate them into our development processes.
- Ensure the security, reliability, and performance of our applications.
- Collaborate with DevOps to streamline the deployment and monitoring processes.
Qualifications:
- Bachelor’s degree in Computer Science, Engineering, or a related field. Master’s degree preferred.
- Over all 5+ years of experience with proven experience 3+ years as a Software Engineer, with a strong track record of delivering high-quality software products.
- Expertise in the MERN stack (MongoDB, Express.js, React, Node.js).
- Strong understanding of JavaScript and modern JavaScript frameworks.
- Experience with front-end technologies like HTML5, CSS3, and responsive design.
- Strong understanding of software development methodologies, including Agile and Scrum.
- Experience with RESTful API design and development.
- Experience with database design and management, particularly MongoDB.
- Familiarity with cloud platforms such as AWS.
- Excellent problem-solving and analytical skills.
- Strong communication and collaboration abilities.
- Experience with version control systems such as Git.
- Knowledge of containerization and orchestration tools like Docker and Kubernetes
JOB DESCRIPTION: BACKEND DEVELOPER
Do you want to work in a fast growing company by doing meaningful work and have fun doing it? Remitbee, a FinTech with headquarters in Canada and office in Chennai is seeking a skilled Backend developer with experience in Node JS. Individuals who apply for Remitbee careers should be passionate about tech and driven towards innovating the industry further with the Remitbee team. This position will be based out of Chennai or Remote.
This position also comes with the opportunity for career growth and working hour flexibility. We look forward to reading your application. At least 3+ years of experience in backend technologies like Node.js, Express, Sequelize
What will you do?
- Work in an agile team of developers, QA, DevOps and founders
- Implement new systems and redesign legacy systems, using leading technologies, to support advancing Research business requirements
- Research and analyze business and system needs. Explore solution options to recommend designs and technologies
- Writing test cases
Skills and requirements:
- At least 3 years of experience in backend technologies like Node.js, Express, Sequelize
- Experience with automated task runners such as Grunt or Gulp
- Experience in Database like MySQL and/or PostgreSQL
- Comfortable applying engineering best practices for Test Driven Development, integration testing version control, release management, work estimation and planning
- Experience to work with Rest and GraphQL APIs
- You know how to use Git,
- You are passionate about code quality. Writing tests and documentation belong to your natural workflow.
- Participate in or lead all parts of the software development lifecycle, including analysis, design, programming, testing, implementation, and support.
- A history of active contributions to open source projects
Type: Full time
Location: Chennai
Experience: 3+yrs (Required)
Notice Period: 0-30 days (Preferred)
Work timing: 9 AM - 6PM IST
Hood is a new-age anonymous social network.
Hood has recently raised $3.2Mn seed funding and is backed by top VCs, 16+ unicorn founders including Vijay Shekhar Sharma - PayTM CEO, Ritesh Agarwal- OYO CEO, Kunal Shah - Cred CEO and outstanding management team.
Role & Responsibilities
- Execute full lifecycle software development
- Architect and conceptualize the product from initiation
- Program well-designed, testable, efficient code Develop flowcharts, layouts, and documentation to identify requirements and solutions
- Integrate software components into a fully functional software system
Qualifications: -
- Bachelor's degree in Computer Science, Software Engineering or a related technical discipline.
- 2-4 years of experience in software design and development.
- Strong coding skills (JavaScript/Typescript, Node.js).
- Strong database design (MySQL/DynamoDB) and query writing skills with a commitment to performance and efficiency.
- Working knowledge of RESTful API paradigms.
- Experience building distributed domain-driven microservices.
- Strong understanding of database and storage fundamentals.
- Experience with AWS stack.
- Computer Science fundamentals in object-oriented design, data structures, algorithm design, problem-solving, and complexity analysis.
- Knowledge of React.js is a plus.
- Startup experience is a plus.
What you can expect from us
1.Learning Budget: If there's a workshop, book, or event you think will help you learn, we'll cover your bill.
2.Health insurance for you and your family.
What happens after you apply?
Step 1: Within 7 days of your application our wholesome, original & expressive - our People Team will reach out to you for a quick chat.
Step 2: Within 4-6 days of chatting with the People Team, you will get a call from someone from your future team to discuss the job role.
Step 3: If all goes well, we’ll schedule a call with your future manager to deep dive into the role with you and for you to show off your skills through a small task.
Step 4: After a quick interaction with the People Team, If our vibes match, a quick call with our Founders.
If we mutually enjoy the 4 steps, we onboard you with a big smile :)
NOTE
At any step, if things don't work out, we will proactively send out an email. You are welcome to
ask for detailed feedback and re-apply in the future.
We prefer [Passion>Skills>Education]
Project Description: Build a Software Solution which integrate with AWS Service to facilitate supply chain management for logistic companies
Experience range: 0.6 to 5 yrs
Mandatory Skills
AWS Lambda, NodeJS, AWS API Gateway
Job Description: As a full stack developer should be able develop API service using Node JS and deploy on AWS with complete unit and integration testing.
Mandatory Technical skills:
- AWS Lambda – create lambda function with all the security in place.
- Proficiency in Node JS (should have developed services, developed unit and integration testing)
- Swagger hub – defined the services on swagger hub
- Strong notions of security best practices (e.g. using IAM Roles, KMS, etc.).
- Serverless approaches using AWS Lambda. For example, the Serverless Application Model (AWS SAM).
- Full stack development on cutting edge technology in Fintech domain.
- Ownership of complete backend code.
You should Have :
- Server Side languages knowledge: Node.js and express.js is the first choice, Python, Java
- Server-side programming experience. We prefer ability over experience
- Solid experience working with databases, especially relational DB.
- Solid experience with version control (Git or Bitbucket or SVN).
- B.E. in Computer Science or Graduate/PG degree in Computer Science (this is optional, as we are more interested in your abilities and experience over a paper degree).
- Any experience working with real-time projects in backend with node.js and express.js
About the job:
You'll be responsible for building backend of our platforms. You must know Mongodb, and Node.js.
Expectations:
Develop backend API’s.
Strong ability to design and configure schema and MongoDB data modelling
Assuring the complete stack is designed and built for high performance and scalability.
Your Requirement:
Must know Mongodb and Node.js.
Work experience of minimum 2 years.
Worked with startups and evolved products for scale.
Preferred:
Growth mindset & leadership abilities to work in a frugal environment.
Relevant Experience
3 to 10 years
Job Description and Key Skills Required:
- Hands-on with any of the programming languages like NodeJS/ExpressJS, Python, Java, Php or any.
- Design and create efficient RESTful API endpoints for both internal and public consumption
- Strong understanding of database technologies such as MySQL, Postgress, Oracle , relational Database.
- Work closely with front end developers to understand required data model
- Comfortable deploying applications on AWS, and have a strong working knowledge of EC2, RDS and S3.
- Must understand overall system design, architecture , improve design and implement new processes.
- Strong understanding of sessions, cookies & local storage is must.
- Experience with in memory databases like redis basic, Memcache
- Independently think of solutions to complex requirements; possess exceptional logical skills.
- Analyse current products in development, including performance, scalability, diagnosis and troubleshooting.
- Work with the existing framework and evolve it by building reusable code & libraries
- Search and introduce new software related technologies, processes and tools.
- Bonus: You're fluent with React.
- Bonus: Interested in full-stack development.
- Bonus: Any experience of iOS/Android mobile development.
- Bonus: Experience with CI servers such as Jenkins, Travis or similar types
- Bonus: Experience with web server like Nginx
Why you should join us
- You will join the mission to create positive impact on millions of peoples lives
- You get to work on the latest technologies in a culture which encourages experimentation - You get to work with super humans (Psst: Look up these super human1, super human2, super human3, super human4)
- You get to work in an accelerated learning environment
What you will do
- You will provide deep technical expertise to your team in building future ready systems.
- You will collaborate in a highly cross functional team, providing engineering perspective to non technical members of the team
- You will help develop a robust roadmap for ensuring engineering operational excellence
- You will establish clean and optimised coding standards that are well documented
- You will author efficient, reliable and performant systems
- You will design systems, frameworks and libraries that work at scale, are easy to maintain and provide a great developer experience
- You will be agile and curious about customer problems and business objectives
- You will actively mentor and participate in knowledge sharing forums
- You will work in an exciting startup environment where you can be ambitious and try new things :)
You should apply if
- You have a strong foundation in Computer Science concepts and programming fundamentals
- You have been working on backend web technologies since 8+ years
- You have built and maintained reliable systems that operate at high scale
- You’re experienced in building and running cloud-native platforms & distributed systems
- Extensive experience in any web stack (we use Typescript / AWS / DynamoDB / PostgreSQL)
- You understand the hustle of a startup and are good with handling ambiguity
- You are data driven, have customer empathy and enjoy building delightful applications
- You are curious, a quick learner and someone who loves to experiment
- You insist on highest standards of quality, maintainability and performance
- You work well in a team to enhance your impact




















