Mid-Level Backend, Data & ML Developer at Quixta · Remote only · 3 - 7 years · ₹15L - ₹19L / yr · Remote only · Posted 30 Oct 2026

About the role
You'll work alongside a Senior Backend, Data & ML Developer and our existing backend team to build backend systems, process data, and integrate ML and data science models into our platform.
What you'll do
- Build and maintain backend services and APIs.
- Develop data processing workflows and pipelines.
- Implement, integrate and maintain ML models and data science algorithms in production.
- Optimise database queries, data models and system performance.
- Work with the frontend and mobile teams on API integrations.
- Write tests and documentation, and take part in code reviews.
What we're looking for
- 3–5 years of backend development experience.
- Strong skills in Django and working knowledge of SQL databases.
- Practical experience with ML models and data science algorithms, from training or integration through to deployment.
- Experience handling and transforming data at scale.
- Experience with cloud platforms, Git and CI/CD.
- Clear communication with backend, web and mobile teammates.
- Experience working with AI tools for development such as Claude and Cursor
Note: Full-stack experience isn't required. Strong backend and data skills plus good cross-team communication matter most.
Nice to have
- Python data and ML tools (for example pandas, scikit-learn or PyTorch).
- Experience with model serving or MLOps tools.

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We are seeking talented software developers who are passionate about coding and building & scaling
products. If you love taking on new challenges and have a problem solving mindset to solve problems through
code, you will be a perfect fit for our rockstar engineering team.
Roles and Responsibilities:
● Design and develop backend architectures to support robust, scalable, and secure web applications and
systems with a focus on backend development using Django.
● Design, implement and maintain high quality RESTful APIs to support seamless communication between
frontend, backend and other services.
● Design, implement, and maintain database schemas. Ensure the integrity, performance, and security of
data.
● Ensure the scalability and reliability of our backend infrastructure on AWS. Ensure reliable management of
infrastructure on cloud aiming for 0 downtime of systems.
● Write clean, maintainable, and efficient code, while adhering to best practices and industry standards.
Develop and maintain documentation for our backend systems, APIs, and data models.
● Conduct high quality code reviews and provide feedback to other team members to ensure best practices
are adhered to.
● Take ownership of the development, testing, and deployment of web applications. Break down high-level
business problems into smaller chunks and build systems.
● Work closely with the frontend development team, product managers, and designers to plan new features
and optimize existing ones.
● Constantly aim to improve performance and optimize systems by identifying bottlenecks and resolving
them for increased efficiency.
● Stay up-to-date with the latest technologies such as LLMs, and implement them as and when required
Skills and Qualifications:
● Bachelor's degree in Computer Science, Computer Engineering or a related field.
● 4+ years of experience in full-stack web development, with a focus on backend development.
● Strong proficiency in Python and Django, including experience with Django Rest Framework.
● Experience working with SQL/PostgreSQL databases, including schema design, querying, and
optimization.
● Proficiency in AWS services such as EC2, RDS, S3, and Lambda.
● Familiarity of integrations with third party services and open source frameworks
● Strong understanding of data structures, algorithms, and software design patterns.
● Experience with containerization and orchestration technologies such as Docker and Kubernetes is a plus.
● Familiarity with LLM frameworks such as Langchain, OpenAI, Anthropic, LLaMa is a plus.
● Strong problem-solving skills and ability to work in a fast-paced environment.
● Excellent communication and collaboration skills.
Responsibilities
● Architect and build end-to-end backend services and APIs.
● Integrate with external systems such as insurers, payment gateways, and other
partners.
● Ensure high observability, performance, and reliability across systems.
● Write clean, reusable, and maintainable code with a focus on scalability.
● Implement comprehensive test coverage and maintain code quality.
● Manage database design, migrations, scripting, and administration.
Experience & Skills
● 2-8 years of experience in backend development.
● Hands-on experience with low-level & high-level system design.
● Proven experience building scalable, secure backend systems (APIs, middleware, caching).
● Proficiency in Python, Django, Django REST Framework (DRF), PostgreSQL, Redis,
Celery, and basic HTML/CSS.
● Experience developing RESTful APIs.
● Familiarity with AWS or other major cloud platforms is a plus.
● Strong sense of ownership, problem-solving ability, and leadership qualities.
Key Responsibilities
- Design, develop, and maintain scalable applications using Python.
- Build and integrate AI-powered solutions into existing applications.
- Develop REST APIs and backend services.
- Work with AI/ML models, LLMs, and Generative AI technologies where applicable.
- Integrate AI services and APIs into business applications.
- Write clean, maintainable, and efficient code.
- Collaborate with cross-functional teams to deliver high-quality solutions.
- Troubleshoot issues and optimize application performance.
Must-Have Skills
- Strong hands-on experience in Python development.
- Good understanding of Python frameworks such as FastAPI, Flask, or Django.
- Experience in REST API development and backend services.
- Knowledge or experience in AI/ML concepts.
- Understanding of application development, debugging, and problem-solving.
- Good understanding of databases and data handling.
Good-to-Have Skills
- Hands-on experience with Generative AI and Large Language Models (LLMs).
- Experience with AI APIs and frameworks such as LangChain or LlamaIndex.
- Knowledge of Retrieval-Augmented Generation (RAG), embeddings, and vector databases.
- Familiarity with cloud platforms such as AWS, Azure, or GCP.
- Experience with Docker, Kubernetes, or CI/CD pipelines.
• Python Scripting: Proficient in writing clean, efficient scripts using Python for automation and problem-solving.
• Web Frameworks: Skilled in Django/Flask/FastAPI for backend and REST API development, with frontend knowledge (React/Angular/Vue).
• Testing: Experienced in unit and integration testing with pytest and ensuring code quality using linting tools.
• Data Analytics: Capable of processing and analysing data using Pandas, NumPy, and visualization libraries like Matplotlib.
• Version Control: Proficient in using Git for source code management and collaboration through branching and merge strategies.
• Databases: Strong in SQL and NoSQL database design, query optimization, and management.
• Tools: Familiarity with additional build tools and CI/CD systems (e.g., Jenkins, GitLab CI/CD).
• Cloud technologies: Familiarity with AWS/Azure or GCP.
• Problem-Solving: Excellent analytical and problem-solving skills related to build systems and processes.
• Communication: Strong verbal and written communication abilities.
About the role
You'll take technical ownership of our Backend, Data & ML team and lead the backend development team. You'll design and scale our backend services, APIs and data systems, and bring data science and ML models into production. You'll also be the main technical link to the React Native and Next.js teams.
What you'll do
- Own backend architecture, API design, databases and data infrastructure.
- Design and build data pipelines and data models for analytics and ML.
- Lead the implementation, deployment and monitoring of ML models and data science algorithms in production.
- Work closely with the React Native and Next.js teams on API contracts, data flows and ML/DS integrations.
- Mentor the backend and data team, review code, and set engineering standards along with the TPM.
- Ensure system reliability, security, scalability and observability.
- Take part in the senior on-call rotation, including international paging.
What we're looking for
- 6+ years of backend development, with significant experience in data engineering.
- Strong expertise in Django, relational databases, and API design (REST/GraphQL).
- Hands-on experience building data pipelines.
- Some practical experience deploying ML models to production, including serving, versioning, monitoring and retraining (MLOps).
- Some understanding of common data science algorithms and ML techniques.
- Experience with cloud infrastructure (AWS, GCP or Azure), containers and CI/CD.
- Experience leading or mentoring engineers.
- Excellent communication skills. You should be able to explain backend and data decisions clearly to mobile and web teams.
Note: Full-stack experience is valuable but not mandatory. A strong backend and data specialist who works well with the frontend and mobile teams is a great fit.
Nice to have
- Python ML ecosystem experience (for example scikit-learn, PyTorch, TensorFlow or pandas).
- Experience with LLMs, recommendation systems or real-time data processing.
- Experience with unstructured data
- Familiarity with Next.js or React Native.
- Familiarity with US data protection requirements and compliance laws, such as FERPA or COPPA

About the company
The company delivers the power of technology and intelligence to investors and companies and enables growth and value creation in the private unlisted markets. We make it easier for investors to know everything about a company, and a company to know everything about an investor. Our intelligence is used by more than 400+ customers across Venture Capital, Private Equity, Investment Bankers, and Corporates. Our intelligence covers the entire universe of Indian private companies and investors. We are gearing to power growth and transactions in private markets in India and around the world. We want our solutions to be reliable, timely and trustworthy to make investment and business decisions.
Founded in 2015 by IIT Madras Alumni Mr. Krishna Saraswati and Mr. Avinash Loganathan, as a fintech startup we have 3 products in the market. 1. PrivateCircle Research: Private Market Intelligence product. 2. PrivateCircle Connect: Intelligent Prospecting tool for Sales teams. 3. PrivateCircle Markets: Investment opportunities discovery platform.
About the role
We are looking for a Senior backend engineer with 4+ years of experience building large scale web applications. A highly skilled Python Developer with advanced coding abilities in Python.
Responsibilities:
- Design, Develop and maintain products using bleeding-edge technologies on Python
- Collaborating with the rest of the engineering team to design and deploy the code to test/production and implement new features.
- Debug, validate, review and test new and existing code.
- Act as a mentor to junior developers, providing guidance and support on technical issues.
- Write clean, efficient and well documented code
- As a Senior, you are required to regularly interact with their peers, managers and PMs (product/program managers).
Requirements:
- Advanced knowledge of Python (4+ years) with strong OOPs fundamentals.
- Version Control using git.
- Experience with web frameworks and MVC/ MVT architecture.
- Experience with Django framework and its ORM.
- Experience with REST API's and microservices architecture.
- In-depth knowledge of relational databases (e.g. MySQL, PostgreSQL) and NoSQL databases (e.g. MongoDB).
- Knowledge of distributed systems is a plus.
- Experience with Elasticsearch is a plus.
- Experience with Docker, Kubernetes or any other container technologies is a plus.
- Experience with Celery or other asynchronous task queues.
- Experience using system monitoring tools, automated testing frameworks and implementing server-side security.
We offer a dynamic and fast-paced work environment with ample opportunities for growth and advancement. If you're a highly motivated individual with a passion for coding and a desire to work with cutting-edge technologies, please apply today!
Company Overview:
Euphoric Thought Technologies is a technology-driven organization specializing in delivering scalable software solutions and digital transformation services. Operating at the intersection of cloud innovation and enterprise application development, the company empowers businesses to modernize their infrastructure and streamline operations. With a focus on high-performance engineering, Euphoric Thought Technologies serves a diverse global clientele, helping them navigate complex technical landscapes through robust, cloud-native architectures.
Role Overview:
As a Python Developer with Azure expertise, you will be responsible for designing, developing, and deploying high-impact backend services that drive our core product offerings. You will work closely with cross-functional teams, including product managers and cloud architects, to translate business requirements into efficient, scalable code. Your contributions will directly influence the reliability and performance of our cloud-based platforms, ensuring seamless user experiences and optimized infrastructure utilization for our clients.
Key Responsibilities:
- Architect and maintain scalable backend applications using Python and Django to support high-traffic enterprise platforms.
- Design and implement serverless computing solutions using Azure Functions to optimize resource consumption and application responsiveness.
- Manage and optimize relational database schemas within Azure SQL to ensure high data integrity and query performance.
- Integrate CI/CD pipelines to automate testing and deployment processes, reducing time-to-market for new feature releases.
- Collaborate with infrastructure teams to migrate and manage application workloads within the Azure cloud ecosystem.
- Troubleshoot and resolve complex technical bottlenecks to maintain high availability and system stability for end-users.
Required Skillset:
- Demonstrated proficiency in building production-grade applications using Python and the Django framework.
- Strong hands-on experience in architecting and managing cloud-native solutions within the Microsoft Azure environment.
- Proven ability to design, query, and maintain Azure SQL databases for complex data-driven applications.
- Experience in implementing CI/CD workflows to streamline development cycles and improve code quality.
- Ability to translate technical requirements into clean, maintainable code while adhering to industry best practices.
- Strong communication skills with the ability to articulate technical challenges and solutions to both technical and non-technical stakeholders.
- Capability to work effectively in a hybrid or on-site environment in Noida/Greater Noida, demonstrating self-motivation and collaborative spirit.
- 3 to 5 years of professional experience in software development with a focus on cloud-based architectures.
Job Summary
We are looking for a skilled Python Backend Developer with strong hands-on programming experience and a good understanding of SQL, databases, REST APIs, and backend development. The ideal candidate should have experience developing, maintaining, and optimizing backend applications, along with strong debugging and problem-solving skills.
Key Responsibilities
- Develop, maintain, and enhance backend applications using Python.
- Write, optimize, and manage SQL queries, including joins, subqueries, and complex queries.
- Work with relational databases such as PostgreSQL, MySQL, or SQL Server.
- Develop and integrate RESTful APIs for backend services.
- Perform debugging, troubleshooting, and performance optimization.
- Write unit tests and ensure code quality and application reliability.
- Use Git for version control and collaborative development.
- Collaborate with frontend developers, QA teams, and other stakeholders.
- Support data processing and ETL-related activities.
Required Skills
- Strong hands-on experience in Python programming.
- Good knowledge of SQL, joins, subqueries, and query optimization.
- Experience working with PostgreSQL, MySQL, or SQL Server.
- Knowledge of REST APIs and backend development concepts.
- Understanding of debugging, testing, and troubleshooting.
- Hands-on experience with Git and version control.
- Strong analytical and problem-solving skills.
Preferred Skills
- Experience with Python frameworks such as Django, Flask, or FastAPI.
- Knowledge of data processing and ETL pipelines.
- Familiarity with cloud platforms such as AWS or Microsoft Azure.
- Understanding of application deployment and backend architecture.
Kindly fill the Details :-
The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
We are looking for an exceptional Python Backend Developer to join our engineering team. You will be responsible for managing the interchange of data between the server and the users, developing server-side logic, and ensuring high performance and responsiveness to requests from the front end. The ideal candidate must have a rock-solid foundation in core computer science concepts, specifically Object-Oriented Programming (OOP) and Data Structures and Algorithms (DSA), to design and implement highly scalable and optimised backend systems.
Responsibilities:
- Design, build, and maintain efficient, reusable, and reliable Python code.
- Develop robust, highly scalable, and low-latency backend architectures and APIs.
- Apply strong OOPS principles to build modular and maintainable software systems.
- Utilise advanced Data Structures and Algorithms (DSA) to solve complex computational problems and optimise application performance.
- Integrate user-facing elements developed by front-end developers with server-side logic.
- Implement security and data protection measures.
- Identify bottlenecks, troubleshoot bugs, and devise elegant solutions to mitigate these issues.
- Collaborate cross-functionally with product managers, front-end developers, and QA engineers to deliver high-quality features.
Requirements:
- Core Python: Strong proficiency in Python programming with a deep understanding of its quirks, ecosystem, and best practices.
- OOPs Expertise: Excellent command over Object-Oriented Programming concepts (Inheritance, Polymorphism, Encapsulation, Abstraction) and design patterns.
- DSA Proficiency: Strong problem-solving skills with a deep understanding of Data Structures (Arrays, Trees, Graphs, Hash Tables, etc. ) and Algorithms (Sorting, Searching, Dynamic Programming, etc. ).
- Frameworks: Hands-on experience with popular Python web frameworks such as Django, FastAPI, or Flask.
- Database Management: Solid understanding of relational databases (e. g., PostgreSQL, MySQL) and ORM (Object-Relational Mapper) libraries.
- API Development: Experience in designing and developing RESTful APIs.
- Version Control: Proficient understanding of code versioning tools, such as Git.
- Clean Code: A strong commitment to writing clean, readable, and properly documented code.
Good to Have (Optional):
- Experience with NoSQL databases (e. g., MongoDB, Redis).
- Familiarity with cloud platforms (AWS, GCP, or Azure) and containerization tools (Docker, Kubernetes).
- Knowledge of asynchronous programming in Python (asyncio).
Proficient
Python Backend Development
Python, REST APIs, Microservices, FastAPI, Flask, Django, API Design, Authentication, Error Handling
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Gen AI / Agentic AI
LLMs, Agentic AI, LangChain, LangGraph, Google ADK, Semantic Kernel, Prompt Engineering, Tool Calling, RAG, Embeddings, Vector Search, Memory, Planning, Reasoning, Multi-Agent Systems, Guardrails, Azure OpenAI, Vertex AI, AWS Bedrock
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AWS, Azure, GCP, Cloud Deployment, Containers, CI/CD, Application Hosting, Monitoring
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