Senior Software Engineer

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

Responsibilities :

• Design and develop user-friendly web interfaces using HTML, CSS, and JavaScript.
• Utilize modern frontend frameworks and libraries such as React, Angular, or Vue.js to build dynamic and responsive web applications.
• Develop and maintain server-side logic using programming languages such as Java, Python, Ruby, Node.js, or PHP.
• Build and manage APIs for seamless communication between the frontend and backend systems.
• Integrate third-party services and APIs to enhance application functionality.
• Implement CI/CD pipelines to automate testing, integration, and deployment processes.
• Monitor and optimize the performance of web applications to ensure a high-quality user experience.
• Stay up-to-date with emerging technologies and industry trends to continuously improve development processes and application performance.

Qualifications :

• Bachelors/master's in computer science or related subjects or hands-on experience demonstrating working understanding of software applications.
• Knowledge of building applications that can be deployed in a cloud environment or are cloud native applications.
• Strong expertise in building backend applications using Java/C#/Python with demonstrable experience in using frameworks such as Spring/Vertx/.Net/FastAPI.
• Deep understanding of enterprise design patterns, API development and integration and Test-Driven Development (TDD)
• Working knowledge in building applications that leverage databases such as PostgreSQL, MySQL, MongoDB, Neo4J or storage technologies such as AWS S3, Azure Blob Storage.
• Hands-on experience in building enterprise applications adhering to their needs of security and reliability.
• Hands-on experience building applications using one of the major cloud providers (AWS, Azure, GCP).
• Working knowledge of CI/CD tools for application integration and deployment.
• Working knowledge of using reliability tools to monitor the performance of the application.

Skill set Requirement
RoR
Any front end frameworks (good to have)
Docker, Aws and Kubernetes
Sidekiq

Note : This position is for Pune location.  Please only apply if you are in pune or willing to relocate to Pune.

We are a product company with headquarter in New York and development centre in Pune.

Key Responsibilities:

1. Be part of the team responsible for the enterprise grade SAAS platform.

2. Own end-to-end design and development of Product Features.

3. Design and implement software for testability, maintainability, scalability, supportability.

4. Troubleshoot and support field issues, microservices monitoring.

5. Hands-on working on SAAS based applications.

6. Experience with working on scalable, highly available distributed systems.

7. Robust understanding of Agile development along with CI/CD pipeline.

8. Solid understanding of software development Life Cycle.

9. Solid understanding of end to end Application Security and incorporating the same during development.

10. Exposure to micro-services architecture and microservices development frameworks, platform based architecture.

11. Experience in AWS/Azure.

12. Experience in Dockers, and Kubernetes. ECS, EKS, AKS etc

13. Experience with RDBMS such as Postgres(Preferred), MySQL and nosql databases(Desired).

14. Experience in languages such as Python(Preferred), Java.

15. Exposure to development of data platforms for analytics, reporting etc.

16. Exposure to the development of IOT applications is a plus.

Other requirements

1. Proficient in JavaScript, TypeScript, Vue.js(preferred), ReactJS

2. Solid understanding of UI/UX principles, responsive design techniques, and front-end performance optimization.

3. Exposure to the development of API-driven Single Page Applications

4. Exposure to AWS Cloudfront, Akamai etc.

5. Experience in Application monitoring and log management tools.

Job Title: Senior Full Stack Engineer

Location: Bangalore

About threedots:

At threedots, we are committed to helping our customers navigate the complex world of secured credit financing. Our mission is to facilitate financial empowerment through innovative, secured credit solutions like Loans Against Property, Securities, FD & More. Founded by early members of Groww, we are a well funded startup with over $4M in funding from India’s top investors.

Role Overview:

The Senior Full Stack Engineer will be responsible for developing and managing our web infrastructure and leading a team of talented engineers. With a solid background in both front and back-end technologies, and a proven track record of developing scalable web applications, the ideal candidate will have a hands-on approach and a leader's mindset.

Key Responsibilities:

• Lead the design, development, and deployment of our Node and ReactJS-based applications.
• Architect scalable and maintainable web applications that can handle the needs of a rapidly growing user base.
• Ensure the technical feasibility and smooth integration of UI/UX designs.
• Optimize applications for maximum speed and scalability.
• Implement comprehensive security and data protection.
• Manage and review code contributed by the team and maintain high standards of software quality.
• Deploy applications on AWS/GCP and manage server infrastructure.
• Work collaboratively with cross-functional teams to define, design, and ship new features.
• Provide technical leadership and mentorship to other team members.
• Keep abreast with the latest technological advancements to leverage new tech and tools.

Minimum Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
• Minimum 3 years of experience as a full-stack developer.
• Proficient in Node.js and ReactJS.
• Experience with cloud services (AWS/GCP).
• Solid understanding of web technologies, including HTML5, CSS3, JavaScript, and responsive design.
• Experience with databases, web servers, and UI/UX design.
• Strong problem-solving skills and the ability to make sound architectural decisions.
• Proven ability to lead and mentor a tech team.

Preferred Qualifications:

• Experience in fintech
• Strong knowledge of software development methodologies and best practices.
• Experience with CI/CD pipelines and automated testing.
• Familiarity with microservices architecture.
• Excellent communication and leadership skills.

What We Offer:

• The opportunity to be part of a founding team and shape the company's future.
• Competitive salary with equity options.
• A creative and collaborative work environment.
• Professional growth opportunities as the company expands.
• Additional Startup Perks

Job description :

Looking for a passionate developer and team player who wants to learn, contribute and bring fun & energy to the team. We are a friendly startup where we provide opportunities to explore and learn a lot of things(new technology/tools etc.,) in building quality products using best-in-class technology.

Responsibilities :

• Design and develop new features using Full-stack development (Java/Spring/React/Angular/Mysql) for a cloud(AWS/others) and mobile product application in SOA/microservices architecture.
• Design awesome features and continuously improve them by exploring alternatives/technologies to make design improvements.
• Performance testing with Gatling (Scala).
• Work with CI/CD pipeline and tools (Docker, Ansible) to improve the build and deployment process.
• Working with QA to ensure the quality and timing of new release deployments.

Skills/Experience :

• Good coding/problem-solving skills and interest in learning new things will be the key.
• Time/Training will be provided to learn new technologies/tools.
• 1 or more years of professional experience in building web/mobile applications using Java or similar technologies (C#, Ruby, Python, Elixir, NodeJS).
• Experience in Spring Framework or similar frameworks.
• Experience in any DB (SQL/noSQL)
• Any experience in front-end development using React/Vue/Angular/similar frameworks.
• Any experience with Java/similar testing frameworks (JUnit/Mocks etc).

We are looking for skilled Full stack Developer to join our team. The successful candidate will be responsible for developing, maintaining, and scaling our server-side application logic using Python and related frameworks. As a full-stack developer, you will work closely with front-end developers, data scientists, and project managers to develop scalable and reliable software solutions.

Responsibilities:

Developing and maintaining server-side application logic using Python and related frameworks

Designing and implementing APIs and web services using RESTful principles

Collaborating with front-end developers to integrate user-facing elements with server-side logic

Designing and implementing efficient database schemas and queries

Developing and maintaining automated testing and deployment pipelines

Ensuring high performance and scalability of software applications

Having knowledge of Node.js will be added advantage

Troubleshooting and debugging software issues

Staying up-to-date with emerging trends and technologies in backend development

Requirements:

Strong experience with Python and related frameworks such as Flask, Django, or Pyramid

Proficient understanding of SQL and NoSQL databases

Experience with AWS or other cloud platforms

Familiarity with version control systems such as Git

Excellent problem-solving and debugging skills

Strong communication and collaboration skills

Ability to work in a fast-paced, collaborative environment

If you are a passionate Backend Python Developer with a strong desire to work on complex, challenging problems, we encourage you to apply.

Looking for folks with a hacker's mindset

We’re seeking a talented developer to help build our platform from the ground up. As a critical member of a dynamic and highly-motivated team, you will have to perform  a full stack developers role. And will be responsible for designing & coding new functionality from scratch and maintaining or enhancing the current functionality.

Must haves

• Clear communication skills and a strong customer first attitude
• PHP expert with live project implementations in Laravel framework with MySQL database
• Write clean and well-designed & scalable code
• Maniacal about creating flawless & defect-free delivery
• Troubleshoot, test and maintain the core product code and databases. Refactor or optimize existing code & database where needed
• Maintain a positive and healthy work environment within the team and have fun while doing it
• Contribute in all phases of the development lifecycle right from requirements through till deployment
• Ability to learn and implement automated test tools