
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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Employment Type : Permanent
Job Title: Software Developer - Java
Experience required: 1.6+ years
Job Location: My Home Hub, Hitech City (WFO)
Company name: Posidex Technologies
Website: http://www.posidex.com/">www.posidex.com
Job Summary
- Full stack Java Developer with working knowledge in Angular, Spring Boot and Web Services.
- Able to develop front end web applications.
Responsibilities and Duties:
- Developing front end web applications in Angular.
- Develop Webservices in SOAP and Rest.
- Develop MVC based application using Spring FrameWork
- Able to Multitask and work under tight deadlines
- Must be an effective problem solver
- Excellent communication skills.
Required Experience and Qualification:
- Qualification can be B.Tech/M.C.A
- 2+ years of experience working with Core Java, J2EE,Angular, Spring framework and Spring Boot
- Experience in creating modules ,components and integrating in Angular
- Experience in Building MVC based Web Application Using JSP/ spring framework.
- Experience in Apache Tomcat and Web Services(Rest/Soap)
- Good knowledge of OOPS concepts, Spring version 4.x, Spring Dependency Injection (IOC, MVC, JDBC, JMS, etc)
- Good knowledge of Restful services , SQL and relational databases like Oracle
- Good knowledge of XML Parsers, XML Schema, JAXB,
- Experience in Git.
We are a forward-thinking company Hookux seeking a skilled Full Stack Developer to join our team. You will work on a variety of exciting projects that require problem-solving, innovation, and scalability. One such project is, a stock market and crypto investing simulation platform that teaches children financial skills through gamified competition.
Key Responsibilities:
- Develop and maintain robust, scalable, and efficient front-end and back-end systems.
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- Design and implement API endpoints and server-side logic.
- Work closely with the design and product teams to ensure the technical feasibility of UI/UX designs.
- Optimize the application for maximum speed and scalability.
- Write well-documented, clean code.
- Troubleshoot and debug applications.
- Stay up-to-date with emerging technologies and industry trends.
Technical Skills & Experience:
- Proficient in JavaScript/TypeScript, with expertise in React.js for front-end development.
- Strong experience with Node.js, Express.js, or other backend technologies.
- Familiarity with database technologies such as MongoDB, PostgreSQL, or MySQL.
- Experience with RESTful APIs and third-party integrations.
- Knowledge of cloud platforms like AWS, Azure, or Google Cloud.
- Proficient in version control (e.g., Git) and collaboration tools.
- Experience with agile methodologies and continuous integration/deployment (CI/CD).
Bonus Skills:
- Experience with React Native for mobile app development.
- Familiarity with blockchain technology or cryptocurrency-related platforms.
- Experience with containerization (e.g., Docker, Kubernetes).
- Knowledge of testing frameworks and tools.
Qualifications:
- Bachelor's degree in Computer Science, Engineering, or related field (or equivalent practical experience).
- years of experience in full stack development.
- Ability to manage multiple priorities and work independently as well as in a team environment.
Benefits:
- Competitive salary and performance bonuses.
- Opportunities for career growth and learning.
- Flexible working hours and remote working options.
We are a B2B SaaS company that is re-imagining how companies use sales incentives to motivate their employees. We believe great results are only achieved when people are motivated - and our product is nothing but an extension of that philosophy.
On a more day-to-day level, our product takes away the ambiguity and grunt-work behind manual sales incentive calculation, and allows companies to experiment with incentive plans that actually work for every employee - and not just top performers. We are a team of experienced founders who between them have built and sold software products pretty much all across the globe. We are backed by some of the best angels and institutional investors in India - and are growing at breakneck speed.
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- AWS
Persistence: design it, build it, if it breaks, fix it, but make it work, and make it shine
Bonus Skills
- Free and/or Open Source project work
- Amazon Web Services, DevOps experience
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Perks
- Competitive salary and equity package
- Great culture and team camaraderie
- Work from Anywhere
- Health Insurance
- Flexible vacation and sick policy
- Macbook Pro or similar Linux laptop
- 6 to 9 yrs You can write backend code using primarily Java
- You can contribute to frontend code stack in ReactJS or other Javascript framework
- front-end technologies (ReactJS /AngularJS) experience
- 3+years of experience with web application development
- 3+ years of database experience
- 3+ years of Webservices or API Development experience
- 3+ years of experience with Java development
- Web Framework experience with Spring MVC
- Strong work experience with Java, Spring Boot, Microservices, MongoDB
- Web UI experience with CSS, AJAX, JavaScript, Bootstrap, AngularJS / ReactJS
- Familiarity and working knowledge Docker, Jenkins
- Database and caching experience, SQL and NoSQL (SQL, Postgres)
ABOUT THE STARTUP:
Lamamia is founded by IIM alumni and mentored by seasoned professionals from Flipkart.com, CommonFloor.com, Adani Group, TATA Group, Suzlon, and professors from IIT, IIM and XLRI.
Lamamia is incubated by IAMAI, (chaired by Mr Amit Agarwal, Amazon India Head) in association with Govt. of Haryana. It is also incubated by FIED IIM Kashiur for mentoring and funding support.
Lamamia is an Uber for Vernacular skilling and Education, wherein educators can create and share their micro-lessons and micro-tests with the learners spread across the remote and rural part of India. Students can choose the educators, courses and assessment tests to enhance their knowledge, skill, aptitude and employability.
DESIRED SKILLS:
- AWS (EC2/S3/Lambda)
- DynamoDB
- Node.Js
- HTML5, Javascript, React.Js
- Android Native (Java/Kotlin)
- Socket.io / WebRTC (LiveStreaming)
- Firebase
- Prior experience in developing/integration livestreaming feature is essential.
JOB DESCRITION
- Enhancing the existing features and developing the new features
- Being able to develop the product independently and also with the team .
- Being able to work under pressure and think out of the box.
- Being a good leader with decent professional communication skills.
- Knowledge and experience of Android Development is an added advantage
OUR PRODUCT
Understand The Product Features:
https://play.google.com/store/apps/developer?id=Lamamia&hl=en_IN
- Our product offers on-demand video lessons and quizzes in local languages.
- Teachers can independently create and share their content.
WHAT WE OFFER:
- Opportunity to work as a core team member
- Direct Reporting to Founders
- Exponential and 360 degree learning
- Working with an experienced team from IIM
- 4.2 - 7.8 LPA (INR) CTC + ESOPs*
Position Vacant: 2
Job Location: Ahmedabad
Experience: 1 to 3 years
Qualification:Graduate (Preferable BE/ BTech/ ME/ MTech/ MCA/ BCA/ MSc)
Requirement :
- Candidates can apply who worked on any technologies such as Angular, Node.js,
MongoDB & React.js
Responsibilities and Duties :
- Proficiency in server-side programming with Node.js and working with NoSQL databases.
- Experience in building and consuming REST API.
- Worked as Full stack developer with NodeJS, React or Angular JS, NoSQL DB
- Enthusiasm in writing scalable code.
- Good knowledge of Javascript, JSON, GIT
- Sound knowledge of data structures, algorithms, and system design
- Unit Testing experience
- Knowledge of caching levels and memory DBs
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We are looking for a Senior Full Stack Developer / Team Lead who is highly
motivated and wants to be part of a dynamic and fast-paced team. In this role, you
will join our Product R&D Team, the technical engine of EOX Vantage.
Job Responsibilities:
• Design, architect, and develop micro services in a cutting-edge product based
on LAMP, Elastic, and several latest frameworks, libraries, languages like
ReactJS, NodeJS, Go Lang, Ruby, Swift, React Native, etc.,
• Provide scalable and secure solutions to large customer problems worldwide.
• Understand business requirements and translate them into scalable solutions.
• Document the proposed architecture and standard components (low level
design)
• Troubleshooting and resolving issues with coding or design
• Be part of product development team and contribute as developer along with
mentoring talented juniors
Skill Requirement – Mandatory
• 5-10 years of total experience and minimum 2 years of architecture
experience
• Strong knowledge of Core PHP along with strong object-oriented programming
concepts
• Knowledge of developing web services / APIs (REST)
• Experience in PHP web development with ReactJS
• Extensive experience working on SQL / MySQL database
• Experience working on cloud infrastructure services (AWS)
• Hands on experience working as PHP full stack developer in previous roles
Good to Have:
• Hands on experience working on Camunda framework
• Exposure to third party tool/app integrations
• Hands on experience in using ZEND framework
• Exposure to mobile application development
Who we are:
EOX Vantage is the recognized global leader in providing digital transformation
solutions. EOX Vantage delivers premier solutions through our Enterprise Operating
System and Managed Services. Clients choose EOX Vantage products and services to
improve their operational efficiencies. Our proprietary software, the Enterprise
Operating System (EOX), and back-office support allow clients to focus on what they
do best by reducing the time it takes to manage the essential, non-core aspects of
their operations and improve their effectiveness with data and insights. Through the
actionable dashboards and data analytics of EOX Vantage’s secure, all-in-one
platform, businesses gain the visibility they need to make better informed decisions,
resulting in increased productivity, enhanced collaboration and reduced time and cost.
Equal Employment Opportunity Policy
EOX Vantage provides equal employment opportunities to all employees and
applicants for employment and prohibits discrimination and harassment of any type
without regard to race, color, religion, age, sex, national origin, disability status,
genetics, protected veteran status, sexual orientation, gender identity or expression,
or any other characteristic protected by federal, state, or local laws. This policy applies
to all terms and conditions of employment, including recruiting, hiring, placement,
promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and
training
We are a highly innovative Fashion tech startup, looking for a senior developer to develop the platform and drive the technology initiatives of the company
Key focus areas: Product Architecture, Full-Stack development, Product Deployment and innovation in technology
Roles & Responsibilities:
- Work as a Sr. Software Developer with strong coding capabilities and cloud capabilities
- Design, architect and implement the product platform from the scratch
- Ownership of end to end design, implementation, and development
- Foster the development of highly scalable and performance-driven product
- Work closely with the business team to understand the business requirement and vision of the product
- Collaborate with the Founder to create an effective product road map and release plans
- To build, lead and mentor the development team
- Excellent team management and interpersonal skills
Must-have skills
- Extensive and deep knowledge of building highly scalable and performance-centric web platform
- Proficient in designing the monolithic or microservices architecture
- Understanding the nitty-gritty of data and its useful presentation
- Deep insight into search and analytics systems
- Basic understanding of building a graphical representation of data
- Strong understanding of the data and its usage
Tools and Platform
- Strong experience in designing and implementing web-based solutions based on any full-stack
- Excellent understanding and strong working exposure to the AWS platform and it’s a tool like cloud front S3 etc.
- Proficient and good knowledge of working with databases
- Hands-on experiences on at least one DBMS
- Exposure to web scrapping tools and framework
- Search and indexing tools like elastic search
- Exposure to HTML is a must
- Prior experience of designing, developing and deploying platforms
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