AI Research Intern (NLP/LLM Focus)

About the Role

We are looking for an experienced Senior Backend Developer to design and build scalable, secure, and high-performance backend systems. The ideal candidate will have deep expertise in Python/Django, microservices architecture, and cloud technologies, along with strong problem-solving skills and leadership capabilities.

Key Responsibilities

•Design and develop backend services using Django and Python.

•Architect and implement microservices-based solutions for scalability and maintainability.

•Work with PostgreSQL and Redis for efficient data storage and caching.

•Build and maintain RESTful APIs and ensure robust API design principles.

•Implement system design best practices for high availability and fault tolerance.

•Containerize applications using Docker and manage deployments with Kubernetes.

•Integrate with cloud platforms (AWS/Azure) for hosting and infrastructure management.

•Apply security best practices to protect data and application integrity.

•Collaborate with frontend, QA, and DevOps teams for seamless delivery.

•Mentor junior developers and conduct code reviews to maintain quality standards.

Required Skills & Expertise

•Django/Python – Advanced proficiency in backend development.

•Microservices Architecture – Strong understanding of distributed systems.

•PostgreSQL & Redis – Expertise in relational and in-memory databases.

•Docker/Kubernetes – Hands-on experience with containerization and orchestration.

•API Design & System Design – Ability to design scalable and secure systems.

•Cloud (AWS/Azure) – Practical experience with cloud services and deployments.

•Security Best Practices – Knowledge of authentication, authorization, and data protection.

Preferred Qualifications

•Experience with CI/CD pipelines and DevOps practices.

•Familiarity with message queues (e.g., RabbitMQ, Kafka).

•Exposure to monitoring tools (Prometheus, Grafana).

What We Offer

•Competitive salary and benefits.

•Opportunity to work on cutting-edge backend technologies.

•Collaborative and growth-oriented work environment.

Sal: Upto 30LPA+ESOPs

Location: Bangalore and Mumbai

Hybrid work mode

EXP: 3-6y

Roles & Responsibilities

Cashflo, true to its name, is on a mission to unlock $100+ billion of trapped working capital in

the economy by creating India’s largest marketplace for invoice discounting to solve the

day-to-day cashflow problems faced by businesses. Founded by ex-BCG and ISB / IIM

alumni, and backed by General Catalysts and Elevation Capital, Cashflo helps democratize

access to credit in a fair and transparent manner.

Awarded Supply Chain Finance solution of the year in 2019, Cashflo creates a win-win

ecosystem for Buyers, suppliers and financiers through its unique platform model. Cashflo

shares its parentage with HCS Ltd., a 25 year old, highly reputed financial services company

has raised over Rs. 15,000 Crores in the market till date, for over 200 corporate clients.

Our leadership team consists of ex-BCG, ISB / IIM alumni with a team of industry veterans

serving as the advisory board. We bring to the table deep insights in the SME lending space,

based on 100+ years of combined experience in Financial Services. We are a team of

passionate problem solvers and big thinkers and are looking for like-minded people to join

our team.

We are looking for someone who loves a challenge, is ambitious, super tenacious and

persistent. S/he is a self-starter, thrives in a dynamic, small start-up environment, has a

knack for understanding customer needs, and loves to get sh*t done! If you check these

boxes - we want to talk to you!

The opportunity:

-Solve a complex $300+ billion problem at the cutting edge of Fintech innovation, and make

a tangible difference to the small business landscape in India

-Join a high performance, dynamic and collaborative work environment that throws new

challenges on a daily basis

-Be part of the early founding team and be directly responsible for driving the company's

success

Key Responsibilities

-As an early team member, you will get a chance to set the foundations of our engineering

culture. You will help articulate our engineering principles and help set the long-term

roadmap.

-Making decisions on the evolution of Cashflo's technical architecture

-Building new features end to end, from talking to customers to writing code

Our Ideal Candidate Will Have

● 3+ years of full-time software engineering experience

● Experience building scalable backend platforms (you've owned & built features from start

to

finish before)

● Thorough knowledge of SDLC

● Extensive knowledge of any of Python, Go, NodeJS

● Expertise on any RDBMS or NoSQL databases

● Understanding of messaging systems like RabbitMQ, Kafka and protocols

● Understands CI/CD pipelines

● Exposure to cloud providers like AWS, GCP or Azure

● Seen extensive scale and understands the evolutionary technical challenges

About You

-Product-minded. You have a sense for great user experience and feel for when something

is off. You love understanding customer pain points and solving for them.

-Get a lot done. You enjoy all aspects of building a product and are comfortable moving

across the stack when necessary. You problem solve independently and enjoy figuring stuff

out.

-High conviction. When you commit to something, you're in all the way. You're opinionated,

but you know when to disagree and commit. Mediocrity is the worst of all possible outcomes.

What’s in it for you

● Gain exposure to the Fintech space - one of the largest and fastest growing markets in

India

and globally

● Shape India’s B2B Payments landscape through cutting edge technology innovation

● Be directly responsible for driving company’s success

● Join a high performance, dynamic and collaborative work environment that throws new

challenges on a daily basis

● Fast track your career with trainings, mentoring, growth opportunities on both IC and

management track

● Work-life balance and fun team events

Job Title: Python Developer (FastAPI)

Experience Required: 4+ years

Location: Pune, Bangalore, Hyderabad, Mumbai, Panchkula, Mohali 

Shift: Night Shift 6:30 pm to 3:30 AM IST

About the Role

We are seeking an experienced Python Developer with strong expertise in FastAPI to join our engineering team. The ideal candidate should have a solid background in backend development, RESTful API design, and scalable application development.

Required Skills & Qualifications

· 4+ years of professional experience in backend development with Python.

· Strong hands-on experience with FastAPI (or Flask/Django with migration experience).

· Familiarity with asynchronous programming in Python.

· Working knowledge of version control systems (Git).

· Good problem-solving and debugging skills.

· Strong communication and collaboration abilities.

Role Overview:

We are seeking skilled Backend Developers to design, build, and maintain efficient, scalable, and secure server-side logic and services. The ideal candidate will have strong expertise in Python, Flask, and Google Cloud Platform (GCP), with experience building APIs, handling databases, and integrating cloud services in production environments.

Required Experience: 4+ Years

Location: Chennai, Open for remote for strong candidates

Key Responsibilities:

• Collaborate with project teams to understand business requirements and develop efficient, high-quality code.
• Design and implement low-latency, high-availability, and performant applications using frameworks such as Flask, or FastAPI.
• Integrate multiple data sources and databases into a unified system while ensuring seamless data storage and third-party library/package integration.
• Create scalable and optimized database schemas to support complex business logic and manage large volumes of data.
• Conduct thorough testing using pytest and unittest, debugging applications to ensure they run smoothly.

Required Skills & Qualifications:

• 3+ years of experience as a Python developer with strong communication skills.
• Bachelor's degree in Computer Science, Software Engineering or a related field.
• In-depth knowledge of Python frameworks such as Flask, or FastAPI.
• Strong expertise in cloud technologies, GCP preferred.
• Deep understanding of microservices architecture, multi-tenant architecture, and best practices in Python development.
• Familiarity with serverless architecture and frameworks like GCP Cloud Functions.
• Experience with deployment using Docker, Nginx, Gunicorn.
• Hands-on experience with SQL and NoSQL databases such as MySQL and Firebase.
• Proficiency with Object Relational Mappers (ORMs) like SQLAlchemy.
• Demonstrated ability to handle multiple API integrations and write modular, reusable code.
• Strong knowledge of user authentication and authorization mechanisms across multiple systems and environments.
• Familiarity with scalable application design principles and event-driven programming in Python.
• Solid experience in unit testing, debugging, and code optimization.
• Hands-on experience with modern software development methodologies, including Agile and Scrum.
• Experience with CI/CD pipelines and automation tools like Jenkins, GitLab CI, or CircleCI.
• Experience with version control system.

Driving Results:

• A good single contributor and a good team player.
• Flexible attitude towards work, as per the needs.
• Proactively identify & communicate issues and risks.

Other Personal Characteristics:

• Dynamic, engaging, self-reliant developer 
• Ability to deal with ambiguity
• Manage a collaborative and analytical approach
• Self-confident and humble
• Open to continuous learning 
• Intelligent, rigorous thinker who can operate successfully amongst bright people

We are looking for someone who: ● Has 3+ years of experience working as a Backend Developer in high-growth consumer internet companies ● Is proficient in building RESTful APIs, has a strong understanding of relational and non-relational databases ● Prior working knowledge of Python/Django is a big plus ● Familiarity with modern CI/CD tools ● Knowledge of AWS or any other Cloud Platform services ● Ability to analyze and convert business requirements into technical requirements ● Has a high sense of ownership and a bias for action ● Is a people’s person and can lead without authority What will they be responsible for ● They will work on one or more of the tracks mentioned above ● Own the end-to-end delivery - design, execute, test and deploy ● Work as an individual contributor, champion code quality ● Build and train a team of rockstar engineers as the organization grows Why should this role excite you We are just getting started and people who join us at this juncture will: ● Do fulfilling, high-impact work ● Work directly with the founders and engineering leads ● Own and deliver, get complete ownership of whatever you do ● Work with colleagues from strong diverse backgrounds ● Solve a problem that millions of Indians are emotionally attached to but hasn’t seen any innovation ● Learn and grow at an unprecedented pace Tactical details ● Current stack: Python/Django, React, Kafka, Docker, AWS ● Location: Bengaluru (Work from office) ● Compensation: Structured as Fixed + ESOPs

• System engineering and implementation in Python and Golang.
• Working on performance issues using creative experiments and internally developed product features.
• Research, propose, and integrate relevant open-source projects based on product objectives.
• Write organized, efficient, and well documented Python/Golang code as an example for junior engineers.
• Participation in all levels of product definition, design, implementation, testing, and deployment.
• Must include the ability to discuss abstract system architectures from ideas through implementation and
• creatively apply domain experience to solve technical challenges.
• Mentoring software engineers, fostering an environment of trust and accountability.

• A strong sense of ownership, urgency, and drive. As an integral part of the development team, you will need the
• following skills to succeed.
• Strong Python skills to develop framework(s).
• Hands-on to design & develop re-usable framework components.
• Hands-On experience on developing framework, designing re-usable framework components.
• Experience in engineering practices such as code refactoring, design patterns, design driven
• development, Continuous Integration, building highly scalable applications, application security and functional programming.

• Knowledge of Cloud native would be an advantage.
• Understanding of Kubernetes from Architecture side and also understand the Standard API.
• Code contributed to CNCF or similar community will be plus.
•  Performance benchmarking of K8’s or any cloud will be added     advantage. 

• Deep understanding of technology and passionate about what you do.
• Background in designing high performant scalable software systems with strong focus to optimize
• hardware cost.
• Solid collaborative and interpersonal skills, specifically a proven ability to effectively guide and influence within a dynamic environment.
• Strong commitment to get the most performance out of a system being worked on.
• Prior development of a large software project using service-oriented architecture operating with real time constraints.

• You will get a chance to work on cloud-native and hyper-scale products
• You will be working with industry leaders in cloud.
• You can expect a steep learning curve.
• You will get the experience of solving real time problems, eventually you become a problem solver.

• Competitive Salary
• Health Insurance
• Open Learning - 100% Reimbursement for online technical courses.
• Fast Growth - opportunities to grow quickly and surely
• Creative Freedom + Flat hierarchy
• Sponsorship to all those employees who represent company in events and meet ups.
• Flexible working hours
• 5 days week
• Hybrid Working model (Office and WFH)

• Candidates for this position can expect the hiring process as follows (subject to successful clearing of every round)
• Initial Resume screening call with our Recruiting team
• Next, candidates will be invited to solve coding exercises.
• Next, candidates will be invited for first technical interview
• Next, candidates will be invited for final technical interview
• Finally, candidates will be invited for Culture Plus interview with HR
• Candidates may be asked to interview with the Leadership team
• Successful candidates will subsequently be made an offer via email
• As always, the interviews and screening call will be conducted via a mix of telephonic and video call.