Integration Engineer at OneFin · Bengaluru (Bangalore) · 0 - 2 years · ₹4L - ₹5L / yr · Profitable · Posted 23 Oct 2026

We are looking for an integration engineer to assist our rapidly growing customer base. As part of our integration team, you will be the primary point of contact for all integrations. You would be responsible for helping our clients integrate with OneFin APIs, configuring our system for clients, and providing ongoing help to them to resolve any issues.
Application form: https://forms.gle/KbbeXxqhwpwnCzcDA
Responsibilities
- Understand and explain APIs to clients. Help clients integrate OneFin APIs. Research and identify solutions to issues during integration.
- Escalate unresolved issues to appropriate internal teams (e.g., software developers).
- Become a product expert for clients.
- Configure the OneFin system for customized usage by clients. Identify and write internal and external technical articles or knowledge-base entries, like typical troubleshooting steps, workarounds, or best practices, how-to guides, etc.
- Automate the solution of common issues using Python.
- Help live clients resolve issues and coordinate with the development team for issue resolution.
Requirements and Qualifications:
- BS/B.Tech. in Computer Science, Engineering, or an equivalent.
- Strong verbal and written communication skills.
- Experience in writing code in Python.
- Understanding web-based systems.
- Proficient in understanding and writing JSON.
- Experience in SQL databases.
- Experience working with REST APIs.
- Excellent analytical skills, passion for pinning down technical issues, and solving problems.
- Enjoys a fast-paced startup environment.

About OneFin
About
OneFin is a technology credit platform - we are building the operating system for financial services. We have built modular, plug-and-play APIs to help our partners (like NBFCs, financial institutions, fintech's, startups etc.) underwrite and collect loans from end customers. In a highly credit underserved country with rapidly increasing smartphone adoption, we are enabling any company to become a fintech company through our suite of APIs and regulatory layer, and helping build customised financial products for "Middle India" and its 360 million customers - for consumption based use cases, upskilling / education financing, medical financing, etc.
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● Developer-centric culture - No bureaucracy or red tape.
● Chance to work on 200+ security platforms.
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About the role
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- Expertise in at least one or two Object-Oriented Programming language (Python, typescript, Java,Node.js,Angular, react.js C#, C++) .
- Good knowledge of Data Structure and its correct usage.
- Oversee code reviews, ensuring adherence to best practices and maintaining high code quality standards.
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- Alignment and utilisation of the core enterprise technology stacks and integration capabilities throughout the transition states.
- Participate in planning, definition, and high-level design of the solution and exploration of solution alternatives.
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- Good knowledge of the implications of Cyber Security on production.
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- Manage the customer to ensure we have a continuous flow of work from them so that the team has enough work for at least a month.
- Mentor and coach team members, providing technical guidance and fostering professional development.
Added advantage:
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- Experience in developing software using web technologies.
- Experience in handling a project from start to end.
- Hands-on experience in an Agile Development project and in writing and estimating User Stories.
- Contribution to open source - Please share your link in the application/resume if any.
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Stay hands-on. You'll still write code, build integrations, and work with APIs every day.
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Direct access to clients and leadership. Your decisions ship the same week.
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A step into technical leadership without giving up the hands-on work.












