Python Developer

Who are we :

Trendlyne is a funded, profitable products startup in the financial markets space. We have cutting-edge analytics products built for Indian and US customers, for stock markets and mutual funds.

Our founders are IIT + IIM graduates, with strong tech and marketing experience. We have top finance and management experts on the Board of Directors.

What do we do :

We build powerful analytics in the US and Indian stock market space that are best-in-class. Organic growth in B2B and B2C products has already made the company profitable. We deliver 1 billion+ APIs every month to B2B customers, and have a B2C website and app.

Experience: 3-6 years | Location: Bangalore (On-site)

Why This Role?

• Real scale, real problems - billions of rows of financial data, millions of API requests per hour, live market feeds.
• Cutting-edge product work - AI products, online backtesting engines, data visualization, and machine learning integrations.
• High ownership, low bureaucracy - small, senior team means your decisions matter and your work ships fast.
• Direct visibility - work closely with founders and product leads on features that reach hundreds of thousands of users.

Tech Stack:

Language: Python

Frameworks: Django / FastAPI / Flask

Databases: PostgreSQL / MySQL

What You'll Do:

• Design, develop, and maintain scalable backend systems capable of handling billions of rows of data and serving millions of API requests per hour
• Translate product requirements into robust system architecture - owning the full development lifecycle from requirement to release
• Collaborate closely with product managers and cross-functional teams to scope and deliver high-quality features that address real user needs
• Write clean, well-documented code and maintain technical documentation that enables other engineers to contribute efficiently
• Drive and participate in design and code reviews, ensuring engineering standards are upheld across the team
• Mentor junior developers, helping build a strong engineering culture within the team
• Contribute to and evolve best practices for backend development as the team and product scale.

What We're Looking For:

• 3-6 years of hands-on experience with Python and at least one of Django / FastAPI / Flask.
• Strong command of relational databases - PostgreSQL or MySQL - and experience optimising queries at scale.
• Solid understanding of Redis and caching strategies in high-throughput environments.
• Experience designing and building REST APIs that are performant, reliable, and maintainable.
• Ownership mindset - you build it, ship it, and take responsibility for it in production.
• Strong communication skills - ability to articulate technical decisions clearly to both engineers and non-technical stakeholders.
• Bonus: Familiarity with JavaScript, HTML, or CSS is a plus but not required.

Job Title: Backend Engineer – Python (AI Backend)

Location: Bangalore, India

Experience: 1–2 Years

Job Description

We are looking for a Backend Engineer with strong Python skills and hands-on exposure to AI-based applications. The candidate will be responsible for developing scalable backend services and supporting AI-powered systems such as LLM integrations, AI agents, and RAG pipelines.

Key Responsibilities

• Develop and maintain backend services using Python (FastAPI preferred)
• Build and manage RESTful APIs for frontend and AI integrations
• Support development of AI-driven features (LLMs, RAG systems, AI agents)
• Design and maintain both monolithic and microservices architectures
• Optimize database performance and backend scalability
• Work with DevOps for Docker-based deployments

Required Skills

• Strong experience in Python backend development
• Hands-on experience with FastAPI / Django / Flask
• Knowledge of REST APIs and microservices
• Experience with AI applications (LLM usage, prompt engineering basics)
• Database knowledge: MongoDB, PostgreSQL or MySQL
• Experience with Docker and basic cloud platforms (AWS/GCP/Azure)
• Hands-on experience with Redis for caching and in-memory storage

Good to Have

• Experience integrating payment gateways (Razorpay, Stripe, PayU, etc.)
• Exposure to event-driven architectures using RabbitMQ, Kafka, or Redis Streams
• Kubernetes
• Understanding of model fine-tuning concepts

About the Role

We are actively seeking talented Senior Python Developers to join our ambitious team dedicated to pushing the frontiers of AI technology. This opportunity is tailored for professionals who thrive on developing innovative solutions and who aspire to be at the forefront of AI advancements. You will work with different companies in the US who are looking to develop both commercial and research AI solutions.

Required Skills:

• Write effective Python code to tackle complex issues
• Use business sense and analytical abilities to glean valuable insights from public databases 
• Clearly express the reasoning and logic when writing code in Jupyter notebooks or other suitable mediums
• Extensive experience working with Python 
• Proficiency with the language's syntax and conventions
• Previous experience tackling algorithmic problems
• Nice to have some prior Software Quality Assurance and Test Planning experience
• Excellent spoken and written English communication skills

The ideal candidates should be able to

• Clearly explain their strategies for problem-solving.
• Design practical solutions in code.
• Develop test cases to validate their solutions.
• Debug and refine their solutions for improvement.

About us:

Strata is a commercial real estate investment platform that offers investors the opportunity to invest in pre-leased commercial assets such as offices, warehouses, and retail spaces across India.

We are one of the fastest-growing PropTech platforms in India and are backed by Elevation Capital, Mayfield, Kotak Investment Advisors, Gruhas (a venture by Nikhil Kamath of Zerodha) and DLF Family Office.

Our headquarter is in Bangalore, India.

We are a small yet close-knit team of 35+ people.

About you:

You have a knack for product and strongly equipped with engineering skills to make it a reality. You don’t jump into implementation unless you have clearly understood the problem/requirements and have a written design. You don’t hesitate asking questions and giving critical reviews while respecting others’ opinions. You are a fearless engineer, and not afraid to fail, not on production though ;) You have a strong sense of ownership. You have a startup experience. You don’t feel annoyed if required to work on off days in case of production incidents (no development).

Your responsibilities:

You will primarily work on the backend maintaining the existing platform and writing new enhancements and features. Apart from your own features, as a senior member of the team you will be expected to be actively involved in overall design discussions and peer code reviews. You will factor in extensibility, maintainability, scalability and security in designs and code. You will ensure that best engineering practices are followed. You will support your team members when they are facing challenges, and mentor them when appropriate. You will strive for overall engineering excellence.

Must-have Skills:

• 4-8 years of total experience
• 2+ years of experience in Django and DRF. You must be pro at it. The team will be looking up to you for making most out of DRF.
• Designing and building  scalable web applications
• Good understanding of REST principles
• SQL database design and queries
• Working knowledge of AWS

Good-To-Have Skills:

• Angular or any other JavaScript frontend framework
• Designing microservices
• DevOps experience

FAQ's.

1. Your technology ingredients?

Programming languages:
Our backend is written in Python using Django framework. And the frontend is in AngularJS. Currently there is no mobile app.

Infrastructure:
We are an AWS shop and use their services for most needs, Docker for containerization and ECS as orchestrator, RDS as database, S3 for storage and SQS as messaging backend.

Other tools:
BitBucket for Git and CI/CD pipeline, Trello for project management; and Google Meets and Slack for communication.

2. Your hiring plan?

Currently the engineering team comprises of 3 engineers, and we plan to grow it to 8 by the end of 2021.

3. Your Interview process?

We will try to finish the process within two weeks. In case we can’t go ahead with  your candidature, we will clearly and immediately let you know. But in case of competing applications, we may request you to wait for a week or two.

1. 15 minutes introductory call to discuss requirements and expectations
2. 30 minutes online coding assignment on a screen sharing session
3. 1 hour technical interview covering problem solving, code review and aptitude
4. 15 minutes call with co-founder for final discussion

In case of inability to come to a conclusion from either side, we may go for an additional round.

4. Your WFH and WFO policy?

Due to Covid-19 the team is working from home and will continue till March-2022. After that we will work from the Bangalore or Pune office (yet to be finalised). You should be open to relocate to any of the cities.

5. Your funding status?

In March 2020, Strata raised $1.5 million in seed funding; and $6 million in Series-A in July 2021.

Good knowledge and experience of working with backend systems; 

designing server-side architecture, including production maintenance experience are must-haves.

At least 1-2 years of experience in any programming languages like Java, Ruby, PHP, Python and Node.js(Node.js preferred).

Understanding of micro-services oriented architecture.

Experience with Databases design (SQL, NoSQL) and analytics

Experience in driving and delivering complex features/software modules from technical design to launch.

Expertise with unit testing & Test Driven Development (TDD)

• At least 2-5 years of working experience in web services, preferably in Python
• Should have built and released APIs in production
• Experience working with RDBMS and NoSQL databases
• Designing thoughtful, extensible data models
• Knowledge of identifying, defining and building micro-services
• Working knowledge of GCS, AWS, Azure or any other cloud provider
• Aggressive problem diagnosis and creative problem-solving skills
• Good communication skills - written and spoken