
Founding Engineer – RetainSure (Bengaluru)
Full-stack • Python/FastAPI • React • Postgres • AWS • Early-stage.
RetainSure is an AI Customer Success Manager that eliminates the need for CSMs for low-touch accounts and reduces headcount by 80% for high-touch teams. We integrate deeply across product, CRM, support, billing, and external signals to build a unified intelligence layer, and deploy specialized AI agents that behave like a human CSM across backstage, in-meeting, and in-product workflows.
We’re now hiring a Founding Engineer to join our core team and help build the next $100M+ AI infra layer for Customer Success.
What You’ll Own
- Architect and build core product components across backend, frontend, infrastructure, and data pipelines.
- Develop scalable services using Python, FastAPI, Postgres, and AWS-native components.
- Build high-quality user-facing experiences in React.
- Design, optimize, and maintain database schemas and high-throughput workflows.
- Work directly with the founders to define product, ship fast, and iterate with customers.
- Own modules end-to-end, from concept → architecture → implementation → monitoring.
- Set engineering standards, improve dev velocity, and lay the foundation for the engineering culture.
What We’re Looking For
Must-haves
- 2+ years of experience as a Full-Stack Engineer in high-velocity environments.
- Strong backend fundamentals: Python, FastAPI, SQL/Postgres, distributed systems basics.
- Solid frontend engineering with React.
- Strong grasp of DSA, algorithms, and database internals.
- Deep comfort with AWS (EC2, S3, Lambda, RDS, VPC, IAM, etc.).
- Bias toward action, ownership, and solving real customer problems.
- Ability to move fast without compromising code quality.
Cherry on Top
- Ambition to start your own company in the future: we love founders-in-the-making.
- Experience building large-scale SaaS systems, data platforms, or AI-driven workflows.
- Worked in early-stage startups or shipped 0→1 products before.
What You’ll Get
- Founding-level ESOPs with outsized ownership.
- Work with founders experienced in building/scaling SaaS (Rubrik, Mailmodo, ClearTax).
- High trust, zero bureaucracy, rapid execution environment.
- Opportunity to architect systems that will scale globally across enterprise customers.
- First-hand exposure to building and scaling a company from scratch.
Salary Range
15-18 LPA + founding engineer level ESOPs
Location
Bengaluru

About RetainSure
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Experience: 4.1-7 years
Must Have: React, Docker, Cache
REQUIREMENTS:
- Strong technical background with node.js, event loop understanding, unit testing, developing web application & APIs, event & stream, call-back & closures, promise, async/await, accessing file system, Optimization techniques
- understanding of different components such as web server, storages, integrations
- should have worked on designing and building server-side solutions (in any technology), build process of node.js, CI/CD process of node.js, multi-tasking (working on multiple things at same time)
- Good knowledge of functional and Object-Oriented Programming
- Implementing effective security protocols, data protection measures, and storage solutions.
- Running diagnostic tests, repairing defects, and providing technical support.
- Recommending and implementing improvements to processes and technologies.
- Keeping informed of advancements in the field of Node.js development.
- Familiarity with Azure pipeline
- Should have experience in Identifying software application weaknesses and target areas and sketching out ideas for automated software test procedures. Reviewing software bug reports and highlighting problem areas.
- Knowledge of high-quality professional software engineering practices for agile software development cycle, including coding standards, code reviews, source control management, build processes, testing, and deployment.
- Fundamental knowledge of design patterns
- Experience in communicating effectively with users, other technical teams, and management to collect requirements, describe software product features, and technical designs.
- Mentoring the team members to meet the client's needs and holding them accountable for high standards of delivery.
- Being able to understand and relate technology integration scenarios and be able to apply these learnings in complex troubleshooting scenarios.
RESPONSIBILITIES:
- Writing and reviewing great quality code
- Understanding functional requirements thoroughly and analysing the client’s needs in the context of the project
- Envisioning the overall solution for defined functional and non-functional requirements, and being able to define technologies, patterns, and frameworks to realize it.
- Determining and implementing design methodologies and tool sets
- Enabling application development by coordinating requirements, schedules, and activities.
- Being able to lead/support UAT and production roll outs.
- Creating, understanding, and validating WBS and estimated effort for given module/task, and being able to justify it.
- Addressing issues promptly, responding positively to setbacks and challenges with a mindset of continuous improvement
- Giving constructive feedback to the team members and setting clear expectations.
- Helping the team in troubleshooting and resolving of complex bugs
- Coming up with solutions to any issue that is raised during code/design review and being able to justify the decision taken.
- Carrying out POCs to make sure that suggested design/technologies meet the requirements.
Job Description:
We are looking for a skilled and ambitious Senior Full-Stack Developer (React/React-Native, PHP, and NodeJs )to join our development team. In this role, you will be responsible for developing and implementing applications using React.js, NodeJS, PHP, and its libraries such as Redux, Redux-Saga, ExpressJs, Laravel. You will also be responsible for profiling and improving performance and documenting the codebase. To ensure success as a Full Stack developer, you should have in-depth knowledge of Javascript (ES6 or above), NodeJS, PHP 7.x, MySQL and its concepts, excellent coding skills, and a good understanding of progressive web applications.
Full Stack Developer Responsibilities:
- Reviewing application requirements and interface designs.
- Identifying web-based user interactions.
- Understand the past code and improve when needed.
- Develop components in a scalar way so, can be used again.
- Developing and implementing front-end + back-end architecture to support user interface concepts.
- Monitoring and improving application performance.
- Documenting application changes and developing updates.
Full Stack Developer Requirements:
- In-depth knowledge of Javascript, CSS, and HTML.
- In-depth knowledge of REACT libraries like Webpack, Redux, Redux-Saga and React Router.
- In-depth knowledge of NodeJs, ExpressJs, PHP, Laravel Framework
- Experience with User interface design and development.
- Experience with browser-based debugging and performance testing software
- Excellent troubleshooting skills.
- Build high-quality user interfaces from design mockups.
- Good project management skills and communication skills
- Collaborate with Product, Design, and other developers to understand requirements.
- Write tests to ensure high-grade code.
- Adhere to code style and code quality standards.
- Provide code review feedback to teammates.
- Good understanding of AWS infrastructure.
Eximius is a micro-VC fund which invests into early-stage startups. One of our portfolio startup iTribe is looking for "Hustlers", "First Principle Thinkers", "Crazy and trips on creating products out of the box from scratch", "Outspoken", "unafraid of users ripping your product".
About iTribe:
iTribe is on a mission to make discussing finance from being a taboo topic to a dinner table topic, which means making "Bharat" financially literate and independent. iTribe is a social network which allows anyone to discover, discuss, vet ideas and seek advice from like-minded iTribe aims at making Finance simple, witty and fun for everyone
Founded in 2021 by IIT Kharagpur alumni to convert their own journey of becoming investors into a product to help billion users. An emerging startup backed by some of the most respected investors around the world.
Responsibilities
Code Quality and Go live
- Craft clean, manageable code, maintain proper documentation and code integrity
- Maintain quality and ensure responsiveness, cross-platform optimization of applications
- Create, test and deploy the applications on production servers
- Continuously discover, evaluate, and implement new technologies and frameworks to maximize development efficiency
- Responsible for security and data protection.
Communication & Collaboration
- Working alongside Product managers to architect and design new features.
- Collaborate with the rest of the engineering team to launch new features.
- Unblock peers and keep all the internal and external teams informed about the progress of development
Requirements
- 2 - 5 years of experience in designing and developing Server-side components (REST APIs, Microservice Architecture) and frontend applications (React/ Angular)
- Good understanding and strong in data structures and algorithms (Degree in computer science is an added advantage)
- Proficient experience using (Ex: advanced JavaScript libraries and frameworks such as ReactJS, AngularJS, etc.).
- Strong programming expertise in at least one (Python, Java, NodeJS, GoLang) will be an added advantage
- Good understanding of databases such as MongoDB, PostgreSQL, MySQL.
- Well-versed with Software Development Life Cycle
- Demonstrate the ability to be a self-starter, learn and implement new technologies/ frameworks
- Excellent analytical and problem-solving skills
Why you should join iTribe?
- Building a product which is not done in decades.
- Be a part of the founding team and work directly with the founders.
- Competitive Salary
- ESOPs - ownership in the company
- Medical Insurances
- Subscriptions to premium platforms for learning
- Books that you ask for
- Friendly leave policy
Overview
Xcelpros is a Global company, headquartered in Chicago (US) with multiple locations in US and Bengaluru, India. Our focus is Tech Innovation, Product Development and Technology Consulting.
We are hiring for our Product Development team and have an immediate need for a Backend Developer / Fullstack MERN Developer. The position calls for someone with a mindset who can build great products, manage multiple projects and related tasks on deadline. We are looking for high-quality and passionate developers that want to be a part of a great product team.
You need to have at least 2 years of demonstrated experience as a Backend Developer using MERN (NodeJS, MongoDB, PostgreSQL & Express) & GraphQL technologies. The candidate will work closely with our internal teams in the design, development, launch and enhancement of various products.
About XcelPros
XcelPros is a Global company, headquartered in Chicago (US) with multiple locations in US and Bengaluru, India. XcelPros is focused on Tech Innovation, Product Development and Technology Consulting.
XcelPros specializes in technology solutions for Business-to-Business (B2B) and Business-to-Consumer (B2C) areas. We believe technology is the enabler of exponential growth for us and our customers. We are strategists delivering innovative business and technology solutions. We have been well funded and operational since 2011.
XcelPros and affiliated group of companies are proud to foster a high-performance culture, one that's defined by having the best people, with the skills and determination to deliver above and beyond. We look for insightful and astute professionals who are also forward-thinking, confident, self-motivated and globally minded. Our core team consists of professionals with a wide range of skills and backgrounds. XcelPros is continuously looking for talented, highly motivated individuals who believe in excellence and are committed to providing superior service to our customers and stakeholders.
Experience
- Minimum of 2 years of experience in the design and development of Web and Mobile applications using NodeJS, MongoDB, PostgreSQL, Apollo - GraphQL and React
- You are required to have experience with development in Microservices Architecture
- Experience with NestJS framework is a major plus
- Hands on experience with GoLang is not mandatory but a major plus
Start Date - Immediate
Positions - 2 (Immediate Need)
Responsibilities
- Minimum of 2 years of hands-on experience building applications in NodeJS, MongoDB, PostgreSQL, Apollo - GraphQL and React
- Strong and mandatory experience of 2 years of experience in building applications using the Microservices architecture in NodeJS
- Strong and mandatory skills in Automating Components, Perceptibility, Configuration Management, Debugging & Consistency while writing Microservices.
- Experience building applications using NestJS or similar frameworks is a major plus
- Experience building applications and service integrations using Apollo / GraphQL
- Adhere to best practices of engineering by writing high-quality code.
- Hands on experience in Elastic Search and related technologies
- Hands on experience with one or more testing frameworks such as Jest
- You are required to write / conduct unit & integration testing to ensure code meets high-quality standards
- Collaborate with multiple stakeholders, including Production Support, BAs, Architect, Project Managers, and Product Owners to deliver high quality solutions.
- Develop, build, configure and unit test solutions from low level designs
- Ensure that solutions meet requirements outlined in the design documentation
- Perform all work to agreed time, cost and quality constraints
- Ensure that developed solutions are peer reviewed and formally documented
- Design, develop, test and document detailed technical specifications for application components built using MERN (MongoDB, ExpressJS, ReactJS, NodeJS) stack and integrations
- Develop and maintain high traffic / high performance React and Node based e-commerce web applications and web services, including support for mobile
- Participate in support activities to help UI developers integrate with APIs / services
- Create and maintain scalable infrastructure leveraging modern AWS cloud platforms
- Knowledge of all development aspects within an Agile SDLC framework, including; estimation, design, development, unit test, code reviews, and documentation
- Develop solutions that satisfy business requirements as outlined in user stories, and within agreed upon timelines
- Ensure solutions are of high-quality with regards to following standards and best practices, as well as satisfying security and performance requirements
- Collaborate effectively with other Agile team members
- Work with the Production Support team in the research and resolution of production issues.
- Prior hands-on experience with architecture for Web and Mobile technologies, E-commerce, Payment Gateways, Data security and encryption is a major plus
- Experience with CICD, containers and container management platforms(Dockers, Docker Swarm/Kubernetes, etc.)
- Knowledge of GOLANG is a major plus
- Good understanding of the Twelve-factor App methodology is a major plus
- Experience defining new architectures and ability to drive project from an architecture standpoint is a major plus
- Experience with Security configuration is a major plus
- Experience in understanding platforms & key AWS services like Elastic Beanstalk, AWS Lambda, ECS, AWS Fargate, EKS, EC2, S3 etc. is a major plus
- Troubleshoot and resolve complex technical issues in cloud integrations
- Highest levels of code quality
- Needs to conduct weekly code reviews
- Ensure timely and quality release of the product in collaboration with other team members
- Must be a self-starter and able to build up presence in the team.
- Perform other related duties as assigned
Technical Expertise / Hands-On Skills:
- MERN (MongoDB, ExpressJS & Node JS)
- PostGreSQL
- Apollo GraphQL
- JEST
- RESTAPIs
Key Deliverables
- Develop very high sense of ownership, the zeal to build scalable applications
- Develop a deep understanding of product development and start-up ecosystem
- Work with a performance oriented team driven by ownership and open to experiments
- Build customer facing technology product for global customers
- Collaborate with development teams to help identify and develop reusable platforms/libraries.
Key Requirements
- Can do attitude
- Highly motivated to bring fresh thoughts to the table
- Highly creative and most importantly willing to exercise it
- Self-starter and self-learner focused on research and learning
- Ability to play a variety of roles and most importantly take accountability
- Ability to communicate openly and embrace various perspectives without judgment
- Believe in a ”No politics” attitude. Politics can be detrimental to yourself and the organization.
**Logistics:**
- Current Location (city)
- Willingness/Ability to move to NCR post pandemic
- Available From Date
- Notice Period (if any)
- Current CTC/Expected Compensation
**Cover Letter:**
- A short one paragraph summary of your experience, and a few sentences about why you're applying for this role.
**Strong Preference for candidates who can join quickly, and are already in the NCR.**
# Company
Egregore Labs (www.egregorelabs.com) is a financial software company founded in 2017 by Prashant Vijay (ISB, Tulane) & Hari Balaji (IIM Ahmedabad, IIT Madras) both of whom have spent over a decade each in Financial Services, with a majority of their experience at Goldman Sachs across New York, Hong Kong & Singapore in roles across Trading, Quant & Technology.
# Opportunity
We are looking for an expereinced full-stack engineer, with front-end experience to join our team.
We will share our workload as a team and we expect you to work on a broad range of tasks.
Here’s are some of the things you might have to do on any given day:
- Implement responsive and performant UIs with user centered approach with frontend technologies including Angular 2, Javascript(ES 6), Typescript, SCSS, etc
- Build back-end REST APIs on Python 3 based server frameworks for deployment and scaling of our product(s)
- Write meaningful test cases for frontend & backend platforms
- Integrate our products with 3rd party products/tools/services
- Develop Infrastructure for delivering services using a performance driven approach, build databases, schedule automated jobs, etc
# Ideal Background / Experience
- At least 24 months of diverse experience in web development for product or services oriented environment with exposure to working production deployments
- Expertise in programming using Python/Javascript or similar scripting languages
- In-depth exposure to technologies used in web-based SaaS products, including REST APIs
- Sound understanding of Postgres and NoSQL databases such as MongoDB
Nice to have exposure to any of
- AWS
- Azure
- ELK
- Object Relational Models (SQLAlchemy, etc)
- Google APIs
- Microservices Architecture Pattern
- NodeJS / ExpressJS
# Desirables
We are looking for a person who has
**Resourcefulness** - we're looking for versatile developers who are good at figuring out what they need to use, learn, build, re-purpose to get the job done quickly and efficiently.
**Ownership** - We like to be directive and not prescriptive in our management. We’d love for you to take ownership of what you work on, and tell us what to do, rather than the other way round.
**Work Ethic** - We’ve grown up on Wall Street. We work hard, and have aggressive goals. We want our team-mates to be focused, goal-oriented and consistent high achievers.
**Execution Focus** - Our business is about getting things done, and getting things done right. We want outcome focused colleagues who can multi-task, and execute quickly and elegantly.
# What else you need to know
We are an early stage company. Working here is not for the faint-hearted. An intense and unstructured work environment, lots of excitement and a group of motivated colleagues is what we bring to the table. We ask you to bring your undivided attention, strong worth ethic & resourcefulness. We are Delhi based and work 6 days a week. We operate in a Python environment.








