Senior API Developer (Python)

Job Details:

• Role: Python Developer
• Location: Bangalore
• Experience: 7+ Years
• Required Skills:
• Python Development
• MySQL
• REST API Development
• Django Framework
• PySpark

INTERESTED CANDIDATE SEND YOUR RESUME IN MAIL OR WHATSAPP :

Email: revathi.r @vysystems. com

WhatsApp / Call: 6 3 8 5 0 7 6 1 4 2

Python Software Engineer (3–5 Years Experience)

Location: [Pune]

Role Overview

We are seeking skilled Python engineers to join our core product team. You will work on backend services, API development, and system integrations, contributing to a codebase of over 250,000 Python lines and collaborating with frontend, DevOps, and native code teams.

Key Responsibilities

·    Design, develop, and maintain scalable Python backend services and APIs

·    Optimize performance and reliability of large, distributed systems

·    Collaborate with frontend (JS/HTML/CSS) and native (C/C++/C#) teams

·    Write unit/integration tests and participate in code reviews

·    Troubleshoot production issues and implement robust solutions

Required Skills

·    3–5 years of professional Python development experience

·    Strong understanding of OOP, design patterns, and modular code structure

·    Experience with MongoDB (PyMongo), Mako, RESTful APIs, and asynchronous programming

·    Familiarity with code quality tools (flake8, pylint) and test frameworks (pytest, unittest)

·    Experience with Git and collaborative development workflows

·    Ability to read and refactor large, multi-module codebases

Nice to Have

·    Experience with web frameworks (web.py, Flask, Django)

·    Knowledge of C/C++ or C# for cross-platform integrations

·    Familiarity with CI/CD, Docker, and cloud deployment

·    Exposure to security, encryption, or enterprise SaaS products

What We Offer

·    Opportunity to work on a mission-critical, enterprise-scale product

·    Collaborative, growth-oriented engineering culture

·    Flexible work arrangements (remote/hybrid)

·    Competitive compensation and benefits

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!

Role Overview:

We are seeking a backend-focused Software Engineer with deep expertise in REST APIs,

real-time integrations, and cloud-based application services. The ideal candidate will build

scalable backend systems, integrate real-time data flows, and contribute to system design

and documentation. This is a hands-on role working with global teams in a fast-paced, Agile

environment.

Key Responsibilities:

• Design, develop, and maintain REST APIs and backend services using Python, FastAPI,

and SQLAlchemy.

• Build and support real-time integrations using AWS Lambda, API Gateway, and

EventBridge.

• Develop and maintain Operational Data Stores (ODS) for real-time data access.

• Write performant SQL queries and work with dimensional data models in PostgreSQL.

• Contribute to cloud-based application logic and data orchestration.

• Containerize services using Docker and deploy via CI/CD pipelines.

• Implement automated testing using pytest, pydantic, and related tools.

• Collaborate with cross-functional Agile teams using tools like Jira.

• Document technical workflows, APIs, and system integrations with clarity and

consistency.

• Should have experience in team management

Required Skills & Experience:

• 8+ years of backend or integrations engineering experience.

• Expert-level knowledge of REST API development and real-time system design.

• Strong experience with: Python (FastAPI preferred), SQLAlchemy.

• PostgreSQL and advanced SQL.

• AWS Lambda, API Gateway, EventBridge.

• Operational Data Stores (ODS) and distributed system integration.

• Experience with Docker, Git, CI/CD tools, and automated testing frameworks.

• Experience working in Agile environments and collaborating with cross-functional

teams.

• Comfortable producing and maintaining clear technical documentation.

• Working knowledge of React is acceptable but not a focus.

• Hands-on experience working with Databricks or similar data platforms.

Education & Certifications:

• Bachelor’s degree in Computer Science, Engineering, or a related field (required).

• Master’s degree is a plus.

• Certifications in AWS (e.g., Developer Associate, Solutions Architect) or Python

frameworks are highly preferred.

SENIOR PYTHON DEVELOPER

Designation: Senior Python Django Developer 

Position: Senior Python Developer

Job Types: Full-time, Permanent

Schedule: Day shift (On-site)

Supplemental Pay: Performance bonus, Yearly bonus

Ability to commute/relocate:  JP Nagar, Bangalore: Reliably commute or willing to relocate with an employer-provided relocation package (Preferred)

Experience: Back-end development: 5 years (Required)

Job Description:

We are looking for a highly skilled Senior Python Django Developer with extensive experience in building and scaling financial or payments-based applications. The ideal candidate has a deep understanding of system design, architecture patterns, and testing best practices, along with a strong grasp of the startup environment.

This role requires a balance of hands-on coding, architectural design, and collaboration across teams to deliver robust and scalable financial products.

Responsibilities:

• Design and develop scalable, secure, and high-performance applications using Python (Django framework).
• Architect system components, define database schemas, and optimize backend services for speed and efficiency.
• Lead and implement design patterns and software architecture best practices.
• Ensure code quality through comprehensive unit testing, integration testing, and participation in code reviews.
• Collaborate closely with Product, DevOps, QA, and Frontend teams to build seamless end-to-end solutions.
• Drive performance improvements, monitor system health, and troubleshoot production issues.
• Apply domain knowledge in payments and finance, including transaction processing, reconciliation, settlements, wallets, UPI, etc.
• Contribute to technical decision-making and mentor junior developers.

Requirements:

• 5 to 10 years of professional backend development experience with Python and Django.
• Strong background in payments/financial systems or FinTech applications.
• Proven experience in designing software architecture in a microservices or modular monolith environment.
• Experience working in fast-paced startup environments with agile practices.
• Proficiency in RESTful APIs, SQL (PostgreSQL/MySQL), NoSQL (MongoDB/Redis).
• Solid understanding of Docker, CI/CD pipelines, and cloud platforms (AWS/GCP/Azure).
• Hands-on experience with test-driven development (TDD) and frameworks like pytest, unit test, or factory boy.
• Familiarity with security best practices in financial applications (PCI compliance, data encryption, etc.).

Preferred Skills:

• Exposure to event-driven architecture ( 
• Experience integrating with third-party payment gateways, banking APIs, or financial instruments.
• Understanding of DevOps and monitoring tools (Prometheus, ELK, Grafana).
• Contributions to open-source or personal finance-related projects.
•  

Senior Software Engineer I (Full Stack) – OKRs

Team: OKRs, Product Development

About the Role

Join Planview's Product Development team as a Senior Software Engineer I on the OKRs team. You will design, build, and evolve web applications using Python on the backend and React on the frontend, with a primary focus on backend (roughly 70% backend / 30% frontend).

You will own features from concept through deployment, contribute to technical strategy, and help build secure, scalable, and maintainable products. Working closely with Product, Design, and QA, you will also raise engineering quality through thoughtful code reviews, strong development practices, and mentorship.

What You'll Do

• Design and develop modern web applications using Python and React.
• Build RESTful and/or GraphQL APIs using Django, Flask, or FastAPI.
• Lead technical design discussions, create architecture documents, and drive decisions on scalability, security, performance, and maintainability.
• Own features end to end, from discovery and technical design through development, testing, deployment, and ongoing support.
• Collaborate with Product, Design, QA, and other engineering teams to deliver high-quality customer outcomes.
• Conduct code reviews, promote engineering best practices, and mentor mid-level and junior engineers.
• Optimize performance across the stack, including frontend rendering, API latency, and database queries.
• Build and maintain CI/CD pipelines and contribute to cloud infrastructure, deployment automation, and observability.
• Identify and reduce technical debt, including leading modernization, refactoring, and migration initiatives.
• Participate in on-call rotations and incident response, and lead root-cause analysis for production issues.

What You'll Bring

Required

• 9–11 years of experience building and maintaining production-grade web applications, with strong expertise in Python (backend) and hands-on experience with React (frontend).
• Strong proficiency in Python and experience with Django, Flask, or FastAPI.
• Solid understanding of async programming, background job processing (e.g., Celery, RQ), API design, database design, and scalable backend architecture.
• Strong system design skills: ability to design scalable, reliable, and maintainable systems, make sound technical trade-offs, and translate business requirements into robust designs.
• Experience with React, including Hooks, Context, and state/data management using Redux, Zustand, or React Query.
• Proficiency in JavaScript (ES6+), TypeScript, HTML5, and CSS3.
• Strong database fundamentals, including schema design, indexing, and query optimization with PostgreSQL and/or MySQL; experience with NoSQL technologies such as MongoDB and Redis.
• Hands-on experience with CI/CD, Git workflows, and automated testing (Jest and React Testing Library on the frontend, PyTest on the backend).
• Practical knowledge of application security, including OAuth, JWT, and OWASP principles.
• Strong debugging, performance optimization, and code quality skills, with the ability to independently own technical problems.
• Clear communication skills, with the ability to influence design decisions and work effectively across teams.

Nice to Have

• Experience with AWS.
• Experience with Next.js, server-side rendering, or micro-frontend architectures.
• Exposure to message queues and event streaming (Kafka, RabbitMQ, Amazon SQS).
• Knowledge of GraphQL.
• Experience with Infrastructure as Code (Terraform, CloudFormation).
• Familiarity with monitoring and observability tools (Datadog, Grafana, Sentry, ELK).
• Knowledge of AI/ML integration or Python data pipelines.
• Experience in SaaS, fintech, or enterprise product environments.
• Open-source contributions, technical blog posts, or conference talks.

What Success Looks Like

• You deliver secure, reliable, and maintainable features that create measurable value for the OKRs product.
• You own both the frontend and backend of the OKRs product and make sound technical decisions, documenting the architecture and trade-offs behind them.
• You improve application performance, developer productivity, and operational reliability over time.
• You contribute to a culture of quality, collaboration, mentoring, and continuous improvement.
• You help the team respond effectively to production issues and prevent recurring problems through strong root-cause analysis.

Why Join Us

• Freedom to modernize and innovate
• A flexible, learning-oriented team culture
• A clear growth path toward Senior Software Engineer II

Join Planview

If you are a hands-on full-stack engineer who enjoys solving complex problems, shaping technical direction, and helping teams build better software, we encourage you to apply.

Job Description:

We are looking for a skilled Python Developer with 2+ years of hands-on experience in backend development and data processing. The ideal candidate should be proficient in Python and have working experience with web frameworks like Flask and FastAPI, along with exposure to data engineering and machine learning workflows.

Key Responsibilities:

Design, develop, and maintain scalable Python applications and APIs using Flask and FastAPI

Work with PySpark and Kafka for real-time data processing

Perform data manipulation and analysis using Pandas and NumPy

Develop and maintain modular, reusable, and testable code following OOP principles

Collaborate with data scientists to integrate ML models (TensorFlow, PyTorch, Scikit-learn) into production

Participate in code reviews, design discussions, and contribute to best practices

Write and maintain documentation for developed modules and workflows

Required Skills:

Strong proficiency in Python programming

Hands-on experience with Flask and/or FastAPI

Experience working with PySpark and Kafka

Solid understanding of Pandas, NumPy, and data handling in Python

Familiarity with TensorFlow, PyTorch, and scikit-learn

Good grasp of Object-Oriented Programming (OOP) concepts

Ability to write modular and maintainable code

Nice to Have:

Understanding of Machine Learning concepts and pipelines

Exposure to Generative AI (GenAI) technologies and tools

Experience with CI/CD tools, Docker, or cloud environments (AWS, GCP, etc.)

Qualifications:

Bachelor's degree in Computer Science, Engineering, or a related field

Job Summary

We are looking for an experienced Python Developer for the position of Delivery Module Lead. The ideal candidate should have strong hands-on experience in Python programming, front-end technologies, and back-end development. The candidate will be responsible for developing scalable web applications, integrating APIs, and collaborating with cross-functional teams to deliver high-quality software solutions.

Key Responsibilities

• Design, develop, and maintain scalable web applications using Python and front-end technologies.
• Collaborate with product managers, designers, and developers to understand business requirements and implement solutions.
• Develop responsive user interfaces and optimize application performance across different browsers and devices.
• Write clean, reusable, and maintainable code following development best practices.
• Conduct code reviews and ensure code quality and standards.
• Debug, troubleshoot, and resolve application issues.
• Develop and integrate RESTful APIs and web services.
• Participate in Agile development activities, including sprint planning, daily stand-ups, and retrospectives.
• Continuously improve development processes and stay updated with emerging technologies.

Mandatory Skills

• Strong proficiency in Python programming.
• Hands-on experience with HTML, CSS, and JavaScript.
• Experience with front-end frameworks such as React, Angular, or Vue.js.
• Experience with back-end frameworks such as Django or Flask.
• Good understanding of RESTful APIs and web services.
• Experience with Git and version control systems.
• Strong problem-solving and analytical skills.

Preferred Skills

• Knowledge of databases such as PostgreSQL, MySQL, or MongoDB.
• Experience with cloud platforms such as AWS, Azure, or Google Cloud.
• Familiarity with Docker and containerization technologies.
• Understanding of CI/CD pipelines and DevOps practices.
• Experience with Agile methodologies and project management tools.

This is a remote position.

About Leegality:

Leegality works with large Indian businesses to digitally transform critical compliance processes in a fast, easy and secure way.

We have multiple products across 2 categories:

Document Infrastructure:

Products that help businesses build paperless processes at scale:

1. Document Execution Workflow: A unified platform for businesses to digitally execute (eSign, eStamp, Template Pre-fill, Document Fraud Prevention etc.) agreements, forms and other documents in a compliant way. Currently in use by 2000+ Indian businesses from giants like HDFC and SBI Cards to high-growth disruptors like goDigit and Cars24.
2. Contract Management: An AI-powered platform for businesses to quickly review, negotiate and take action on contracts
3. Signstation: A simple platform for businesses to digitally sign simple documents like invoices, policies and letters in a cost effective manner

Consent Infrastructure:

1. Consentin: An end-to-end DPDP and Privacy compliance platform for Indian businesses
2. Consentin Lens: A data discovery platform for businesses to identify the personal data they collect and store.

If you’re interested in building mission critical software that operates at population scale (75 million + Indians have signed at least one document through Leegality) then join Leegality.

Curious about our impact? Explore our customer success stories: leegality.com/case-studies

Our Culture

At Leegality, trust, ownership, transparency, and having fun while doing meaningful work are core to how we operate — not just values on paper. Our team rated us an incredible 97 eNPS for FY 2023–24 — the highest among 175+ startups surveyed.

We focus deeply on helping our people grow and stay motivated. Some of the perks you’ll enjoy:

• Flexible working hours
• Hybrid work setup
• Bi-annual performance appraisals
• A culture that rewards initiative, curiosity, and impact

If you're looking for a place where you can make a real difference while working with smart, driven, and genuinely nice people, welcome to Leegality.

Location: Hybrid

Role Overview

We are looking for a Technical Lead – Python to lead the design, development, and evolution of scalable backend systems that power Leegality's products. This role combines hands-on backend development with technical leadership, enabling you to influence architecture, mentor engineers, and drive engineering excellence across the team.

You will work closely with Product, Design, QA, DevOps, and other engineering teams to build reliable, secure, and high-performance applications while fostering a culture of ownership, collaboration, and continuous improvement.

Key Responsibilities

• Lead the design, development, and maintenance of scalable backend applications using Python.
• Own the technical architecture of backend systems, ensuring scalability, reliability, maintainability, and security.
• Design, develop, and optimize RESTful APIs and microservices for high-performance applications.
• Drive architectural decisions, establish engineering best practices, and promote clean, maintainable code.
• Conduct code reviews and mentor engineers through technical guidance, pair programming, and knowledge sharing.
• Lead technical estimation, sprint planning, solution design, and execution for engineering initiatives.
• Optimize application performance through database tuning, caching, asynchronous processing, and efficient system design.
• Ensure high code quality through unit testing, integration testing, CI/CD pipelines, and automated deployment practices.
• Troubleshoot and resolve complex production issues while driving root cause analysis and long-term improvements.
• Evaluate and adopt new technologies, frameworks, and engineering practices to continuously improve the platform.
• Build and foster a high-performing engineering culture focused on collaboration, accountability, innovation, and continuous learning.

Desired Skills

• 7–11 years of experience in backend software development, with at least 2–4 years in a technical leadership role.
• Strong proficiency in Python and object-oriented programming concepts.
• Hands-on experience with Python frameworks such as Django, Flask, or FastAPI.
• Strong understanding of RESTful API design and development, authentication mechanisms (JWT/OAuth), and API security best practices.
• Experience designing scalable backend architectures, distributed systems, and microservices.
• Strong knowledge of relational databases such as MySQL or PostgreSQL, with experience in query optimization, indexing, and schema design.
• Exposure to NoSQL databases such as MongoDB and caching technologies like Redis.
• Experience with cloud platforms such as AWS, containerization using Docker, orchestration using Kubernetes, and CI/CD pipelines.
• Strong understanding of software engineering best practices, including design patterns, SOLID principles, code reviews, testing, and documentation.
• Experience with version control systems such as Git and modern development workflows.
• Excellent analytical, problem-solving, communication, and stakeholder management skills.
• Ability to balance hands-on development with technical leadership and delivery ownership in a fast-paced product environment.
• Experience working in SaaS or product-based organizations is preferred.
• Exposure to AI-assisted development tools such as GitHub Copilot, Cursor, or ChatGPT is an added advantage.

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.