
inai is building the future of payments
inai is Segment for payments. We make the lives of digital/online merchants easier
by enabling them to manage their payments’ stack in a low-touch / no-code
fashion. Merchants can now future proof their payment stack and break out of the
consistent trade-off between a great checkout experience and the flexibility
required to maintain the same.
inai was founded by serial entrepreneurs who have decades of experience in
finance and tech. inai has been backed by marquee investors including Kunal
Shah, Razorpay, the first investors in Square/Twitter, and other stellar investors.
Background
Back-end engineers will build the core of inai’s platform which comprises of 3
broad teams:
• Front-end: handle the checkout experience for our merchants and the
dashboard their product teams would be using daily
• Integrations: that handle our integrations with various payment processors,
wallets, BNPLs, analytics providers, fraud and risk providers and accounting
software.
• Platform: The glue that holds it all together. APIs will be the norm, databases
your core, scalability, reliability, and system design your everyday concern.
You will
• Develop APIs to integrate with 3rd party systems — primarily in the payments
domain
• Work closely with our front end and integrations engineering teams and also
with our colleagues across the globe.
• Take ownership for the modules you develop and key technology decisions,
and customer issues.
• Contribute towards documentation (internal and customer-facing), code
reviews, tooling, and processes.
You will have
• 2 to 8 years experience as a full stack engineer. Atleast 1+ years in handling
payments recently.
• Experience in working with 3rd party APIs. You should be able to peruse 3rd
party API documentation and retro-fit the APIs with the platform team.
• Experience writing APIs in Python, relational databases
• Can communicate and interact with a larger team
• Experience in working with multiple payment gateways or integrating them
• Experience with handling payment tokens.
Good-to-have
• Experience with OpenAPI, JSON API specs
Benefits
• Health insurance for you and your loved ones - on us.
• Work-life balance: Our success will not come at the expense of your work-life
balance
• Grow with us: Working in the intersection of fintech and SaaS, you will have
all the opportunities to grow in this thriving sector.
• Work from Home: We will help set up your home in your residence in India.
Inai will continue to operate remotely till the situation returns back to normal.

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About the Role
We are looking for a passionate AI Engineer Intern (B.Tech, M.Tech / M.S. or equivalent) with strong foundations in Artificial Intelligence, Computer Vision, and Deep Learning to join our R&D team.
You will help us build and train realistic face-swap and deepfake video models, powering the next generation of AI-driven video synthesis technology.
This is a remote, individual-contributor role offering exposure to cutting-edge AI model development in a startup-like environment.
Key Responsibilities
- Research, implement, and fine-tune face-swap / deepfake architectures (e.g., FaceSwap, SimSwap, DeepFaceLab, LatentSync, Wav2Lip).
- Train and optimize models for realistic facial reenactment and temporal consistency.
- Work with GANs, VAEs, and diffusion models for video synthesis.
- Handle dataset creation, cleaning, and augmentation for face-video tasks.
- Collaborate with the AI core team to deploy trained models in production environments.
- Maintain clean, modular, and reproducible pipelines using Git and experiment-tracking tools.
Required Qualifications
- B.Tech, M.Tech / M.S. (or equivalent) in AI / ML / Computer Vision / Deep Learning.
- Certifications in AI or Deep Learning (DeepLearning.AI, NVIDIA DLI, Coursera, etc.).
- Proficiency in PyTorch or TensorFlow, OpenCV, FFmpeg.
- Understanding of CNNs, Autoencoders, GANs, Diffusion Models.
- Familiarity with datasets like CelebA, VoxCeleb, FFHQ, DFDC, etc.
- Good grasp of data preprocessing, model evaluation, and performance tuning.
Preferred Skills
- Prior hands-on experience with face-swap or lip-sync frameworks.
- Exposure to 3D morphable models, NeRF, motion transfer, or facial landmark tracking.
- Knowledge of multi-GPU training and model optimization.
- Familiarity with Rust / Python backend integration for inference pipelines.
What We Offer
- Work directly on production-grade AI video synthesis systems.
- Remote-first, flexible working hours.
- Mentorship from senior AI researchers and engineers.
- Opportunity to transition into a full-time role upon outstanding performance.
Location: Remote | Stipend: ₹10,000/month | Duration: 3–6 months
● 5+ years of experience as a Data engineer or related role.
● 5+ years of experience in application development using Python
● Strong experience with SQL and good to have NoSQL.
● Experience with Agile engineering practices.
● Preferred experience in writing queries for RDBMS, cloud-based data warehousing solutions like
Snowflake.
● Ability to work independently or as part of a team.
● Experience with cloud platforms, preferably AWS, is good to have
● Experience with ETL/LT tools and methodologies.
● Experience working on real-time Data Streaming and Data Streaming platforms
JioTesseract, a digital arm of Reliance Industries, is India's leading and largest AR/VR organization with the mission to democratize mixed reality for India and the world. We make products at the cross of hardware, software, content and services with focus on making India the leader in spatial computing. We specialize in creating solutions in AR, VR and AI, with some of our notable products such as JioGlass, JioDive, 360 Streaming, Metaverse, AR/VR headsets for consumers and enterprise space.
Mon-Fri, In office role with excellent perks and benefits!
Key Responsibilities:
1. Design, develop, and maintain backend services and APIs using Node.js or Python, or Java.
2. Build and implement scalable and robust microservices and integrate API gateways.
3. Develop and optimize NoSQL database structures and queries (e.g., MongoDB, DynamoDB).
4. Implement real-time data pipelines using Kafka.
5. Collaborate with front-end developers to ensure seamless integration of backend services.
6. Write clean, reusable, and efficient code following best practices, including design patterns.
7. Troubleshoot, debug, and enhance existing systems for improved performance.
Mandatory Skills:
1. Proficiency in at least one backend technology: Node.js or Python, or Java.
2. Strong experience in:
i. Microservices architecture,
ii. API gateways,
iii. NoSQL databases (e.g., MongoDB, DynamoDB),
iv. Kafka
v. Data structures (e.g., arrays, linked lists, trees).
3. Frameworks:
i. If Java : Spring framework for backend development.
ii. If Python: FastAPI/Django frameworks for AI applications.
iii. If Node: Express.js for Node.js development.
Good to Have Skills:
1. Experience with Kubernetes for container orchestration.
2. Familiarity with in-memory databases like Redis or Memcached.
3. Frontend skills: Basic knowledge of HTML, CSS, JavaScript, or frameworks like React.js.
💥 What will you do?
As a Backend Engineer, you will
- Create and maintain server-side code
- Designing database schemas to support business requirements
- Building reusable code and libraries for future use
- Troubleshoot and debug applications
- Write unit tests
- Stay up to date with current best practices
- Collaborate with front end engineers
- Optimization of the application for maximum speed and scalability
- Work with stakeholders including the Executive, Product, Data, and Design teams to assist with web-application-related technical issues and support their requirements.
🙋 What are we looking for?
While we do not have a strict list of requirements for candidates interested in this role, some indicators that you would fit this role and our engineering culture are
- 2+ years of relevant work experience as a Backend engineer using Python frameworks like Django, Flask, etc
- Experience with relational databases like MySQL, PostgreSQL
- Good understanding of OOP concepts
- Understanding of code versioning tools, such as Git
- Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3.
- Experience writing unit tests for the application is a plus
- Experience with building REST APIs
- Superior analytical, conceptual, and problem-solving skills.
- Strong verbal and written communication skills in English.
- Bachelor's Degree or equivalent experience.
- 5-8 years of experience with software development, preferably in Agile environment.
- Advanced knowledge of in software development tools, programming languages, databases, and environments, including but not limited to:
- Python 3.x, Django, functional Python, procedural Python, object oriented Python, Asynchronous Design, Micro Services, memcache, REDIS, Celery, ElastiSearch, RESTful web services, Relational (Oracle & MySQL) and Non-Relational (NOSQL & DynamoDB) databases, AWS.
Esper is looking for a software engineer to transform the customer experience
for developers and engineering teams using the platform of services to deploy
and build out their device fleets. You and your team will own services that will
enable customers to develop and customize their development process, along
with easing their use of Continuous Integration techniques for their software. We
need a leader that is experienced in delivering scalable multi-region fault tolerant
systems, is passionate about the developer tools space, is excited to have
software developers as their customers, and is obsessed about creating
compelling customer experiences.
In this role you will contribute to a critical and highly-visible function within the
Esper business. You will be given the opportunity to autonomously deliver the
technical direction of the service, and the feature roadmap. You will work with
extraordinary talent and have the opportunity to hire and shape the team to best
execute on the product. If you’re excited to have a large impact on Esper and the
device industry, you’ll find this role to be engaging, challenging, and full of
opportunities to learn and grow.
Key Responsibilities
Help drive business decisions with your technical input
Design, implement, test, deploy and maintain innovative software
solutions to transform service performance, durability, cost, and
security.
Use software engineering best practices to ensure a high standard of
quality for all of the team deliverables
Write high quality distributed system software
Work in an agile, startup-like development environment, where you are always working on the most important stuff.
Basic Qualifications
2 -4 years of professional software development experience
You’ve designed, built, scaled and maintained production services, and know how to compose a service oriented architecture.
Degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field.
You write high quality, well tested code to meet the needs of your customers
You are comfortable with programming languages like Go, Python, Java
You’ve good understanding of databases system like Postgres. Extensive Knowledge about Postgres is a big plus.
You’ve have worked with Docker, Kubernetes and have fundamental understanding of distributed systems like Kafka, Elasticsearch
Preferred Qualifications
Experience taking a lead role developing complex software systems that have successfully been delivered to customers.
Experience in communicating with users, other technical teams and senior management to collect requirements, describe software product features, technical designs and product strategy.
Knowledge of professional software engineering practices & best practices for full software development life cycle, including coding standards, code reviews, source control management, continuous deployments, testing and operations
Demonstrated ability to mentor junior software engineers in all aspects of their engineering skill-sets.
What we think makes us special
Esper is a fast-growing, well-funded company where everyone matters and you can see your impact daily. We trust our teammates and offer intense ownership and therefore accountability. We’re inventing the future and building something special. The team really enjoys what we do and cares about your input. We don’t hire just to fill a spot, we want you to make a difference.
As you help us build this special company, Esper will take care of you. We offer flexible vacation, regular hack-days, competitive pay and benefits, and room for advancement. We hire capable veterans so we avoid the drama and trust in each other’s work. Our worldwide footprint mixes different cultures for a unique experience. We also like to have fun because we play just as hard as we work.
• Should have 5+ years of work experience in design, develop, Code and Unit Test web and desktop-based applications written in .Net framework starting from 4.x and above.
• Strong analytical skills to understand a given requirement and provide work estimates.
• Strong Object-Oriented Programming knowledge.
• Strong experience with Static Code Analyzers like Fortify.
• Should have good understanding of web servers such as IIS and Front-end such as HTML’s and Razor based engines.
• Strong debugging skills using .net front end and backend.
• Strong coding experience and thorough understanding of programming languages such as C#, VB.NET, ASP.Net, ADO.Net, JQuery, JavaScript, Traditional Web Services, WCF, Web API and other Scripting languages such as pythons.
• Strong working knowledge on various design patterns such as MVC, MVVM, DDD, Repository Pattern and any custom/hybrid framework as designed by the Architects.
• Should have a strong working knowledge of Azure DevOps.
• Strong knowledge and understanding of data sharing medium using JSON, XML and other media types.
• Strong knowledge on Entity Framework (6 and above) and other ORM such as Dapper.
• Strong knowledge and programming skills in Database such SQL SERVER, Oracle, My SQL and SQL Express. Additionally, nice to know-how knowledge in MS ACCESS.
• Strong knowledge and coding experience in REST based web services and service-oriented design patterns using WCF and other API’s.
• Should have used IDE such as Visual Studio and Visual Studio Code for Front-end development.
• 1+ years of building SPA web solutions using Angular 6/7/8 , BackBone, Bootstrap
• 5+ years building HTML5 complaint pages
• 3+ years of experience using TypeScript
• 3+ years of writing automated testing using Jamine or others
Day to Day job Duties: (what this person will do on a daily/weekly basis)
• Co-ordinate/mentor other Junior developers on a day to day basis.
• Understand the use cases/User Story, code and develop on a designed platform/pattern.
• Strict adherence to coding standards.
• Participate self-code review/peer reviews and correct errors wherever applicable before checking in the final code into the Branch/code repo.
• Create code documentations wherever applicable and as set guidelines by the team.
• Create and perform Unit Tests wherever applicable as set guidelines by the team.
• Provide feedback and assist in estimation planning.
• Merge code branches as and when required.
• Create and publish release documentations and application deployments as and when requested.
• Report out statuses to the leads onshore daily during the Stand-up calls.
• Additionally, update efforts on a given work item on everyday basis.
• Provide true estimates on work assigned prior development. Also ask questions/provide comments on User Stories/work items assigned.
• Be a team player and flexible towards availability in case of any urgent issues that need immediate attention.
• Plan out vacations in advance (min. 2 weeks of adv. Notice).
Nice to have(not a must) experience, skills
• Good understanding of Service Workers.
• Prior coding experience using FORTRAN.
• Experience on 3rd party tools like Spire.Pdf, PDF.Js.
• Knowledge of Rapid application development framework like DevExpress, Code on Time, HighCharts.
• Knowledge of code clean up tools like CodeMaid.
• Knowledge of Power BI and O365 Suites of applications.
• knowledge of SQL Data tools like SSIS and SSRS.
Strong understanding of software development cycle
-Hands on experience in Python and familiarity with at least one framework, preferably Django
-Experience in third party integrations.
-Strong understanding of relational databases (MySql, Postgresql etc.)
-Comfortable with search engines like ElasticSearch.
-Hands on experience of AWS services.
-Knowledge of version control tools like Git/SVN.
-Strong unit testing and debugging skills.
-Good understanding of data structures, algorithms and design patterns.
-Good analytical and problem-solving skills.
Fluency or understanding of specific languages such Java, PHP, HTML or Python .and Operating System.
Good to have:
-Hands on experience of AWS services.
-Good exposure in writing and optimising SQL(such as PostgreSQL) for high-performance systems with large databases.
-Exposure at handling server side issues and quick resolution.
-Experience working on scalable, high availability applications/services.











