Python Developer at Startup Fintech · Mumbai, Bengaluru (Bangalore) · 3 - 8 years · ₹7L - ₹15L / yr (ESOP available) · Posted 26 Nov 2021
Job Location : Mumbai / Bangalore
Expereince : 3 to 8 Years
JD :
Hands on experience in Python in 2.x and 3.x versions
- Developed and deployed services in AWS serverless Architecture
- Developed REST API’s using serverless framework, AWS Lambda, API Gateway
- Developed queue and notification services using AWS components - SQS, SNS
- Implemented authorization and authentication using AWS Cognito pool
- Developed Facial recognition systems using AWS Rekognition
- Hands on experience in Flask, Tornado, Quartz framework
- Hands on experience in designing and working on MicroService & Monolithic architecture
- Basic understanding of front-end technologies HTML, CSS, JavaScript, jQuery
Mongo dB experience is must

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Strong Python Developer profile with robust AWS exposure
2
Mandatory (Experience 1): Must have 7+ years of hands-on software development experience with at least the recent 4+ years in Python and strong hands on knowledge of AWS
3
Mandatory (Tech skill 1): Must have strong working knowledge of Python.
4
Mandatory (Tech skill 2): Must have good understanding of AWS services including EC2, S3, Lambda, IAM, CloudWatch, and ECS or ECR
5
Mandatory (Tech skill 3): Must be able to write and understand REST APIs
6
Mandatory (Tech skill 4): Experience designing and architecting scalable backend applications/services on AWS, including making decisions around application architecture, APIs, databases, and AWS services
7
Mandatory (Tech skill 5): Must be comfortable with version control tools such as Git, GitHub, Bitbucket, or GitLab
8
Mandatory (Tech skill 6): Must have good understanding of databases such as PostgreSQL, MySQL, or DynamoDB
9
Mandatory (Tech skill 7): Must have familiarity with Linux commands and shell scripting
10
Mandatory (Skill 1): Must have good debugging and problem-solving skills, with the ability to read existing code and make changes independently with light guidance
11
Mandatory (Skill 2): Must have strong communication skills
12
Preferred (Tech skill 2): Experience with AWS CodeCommit, and exposure to AWS CodeBuild, CodeDeploy, CodePipeline, GitHub Actions, Jenkins, or similar CI/CD tools
13
Preferred (Tech skill 3): Basic understanding of CI/CD pipelines
14
Preferred (Tech skill 4): Experience with Docker or container-based applications
15
Preferred (Tech skill 5): Basic knowledge of infrastructure-as-code tools such as Terraform or AWS CloudFormation
We are looking for a skilled Python Developer to design, develop, and maintain robust backend systems. You will be responsible for building scalable web applications using the Flask micro-framework and managing high-performance NoSQL data storage with MongoDB. Your role involves creating RESTful APIs, optimizing database queries, and ensuring seamless integration between the backend logic and frontend components.
Key Responsibilities
- API Development: Design and implement scalable, secure RESTful APIs using Flask.
- Database Management: Architect and maintain MongoDB schemas; develop complex aggregation pipelines and optimize query performance.
- Backend Logic: Write clean, efficient, and testable Python code to handle server-side logic and data processing.
- Integration: Integrate third-party services and internal data sources using libraries like Requests or Flask-PyMongo.
- Performance Optimization: Identify and resolve bottlenecks in the application and database layers to ensure low latency.
- Testing & Security: Implement unit tests (using pytest or unittest) and follow security best practices (OAuth2, JWT, data encryption).
- Collaboration: Work closely with frontend developers to integrate user-facing elements and with DevOps to support deployment.
Required Technical Skills
CategoryRequirementsLanguageExpert-level Python (OOP, decorators, generators, and async programming).Frameworks Strong experience with Flask (routing, blueprints, middleware).DatabaseProficiency in MongoDB (BSON, indexing, sharding, and aggregation framework).ODMs/DriversExperience with PyMongo or MongoEngine.ArchitectureSolid understanding of RESTful API design and Microservices.Tools/DevOpsVersion control with Git; familiarity with Docker and CI/CD pipelines
Strong Python Developer profile with robust AWS exposure
2
Mandatory (Experience 1): Must have 7+ years of hands-on software development experience with at least the recent 4+ years in Python and strong hands on knowledge of AWS
3
Mandatory (Tech skill 1): Must have strong working knowledge of Python.
4
Mandatory (Tech skill 2): Must have good understanding of AWS services including EC2, S3, Lambda, IAM, CloudWatch, and ECS or ECR
5
Mandatory (Tech skill 3): Must be able to write and understand REST APIs
6
Mandatory (Tech skill 4): Must be comfortable with version control tools such as Git, GitHub, Bitbucket, or GitLab
7
Mandatory (Tech skill 5): Must have good understanding of databases such as PostgreSQL, MySQL, or DynamoDB
8
Mandatory (Tech skill 6): Must have familiarity with Linux commands and shell scripting
9
Mandatory (Skill): Must have good debugging and problem-solving skills, with the ability to read existing code and make changes independently with light guidance
10
Mandatory (Skill 2): Must have strong communication skills
11
Preferred (Tech skill 1): Experience with AWS CodeCommit, and exposure to AWS CodeBuild, CodeDeploy, CodePipeline, GitHub Actions, Jenkins, or similar CI/CD tools
12
Preferred (Tech skill 2): Basic understanding of CI/CD pipelines
13
Preferred (Tech skill 3): Experience with Docker or container-based applications
14
Preferred (Tech skill 4): Basic knowledge of infrastructure-as-code tools such as Terraform or AWS CloudFormation
Job Summary
We are seeking a skilled Python Developer with experience in building scalable applications using Python frameworks such as Flask and Django. The ideal candidate should have hands-on experience with PySpark for big data processing and strong SQL skills for data analysis and database management.
Key Responsibilities
- Design, develop, test, and maintain Python-based applications.
- Develop RESTful APIs using Flask and/or Django.
- Build scalable data processing pipelines using PySpark.
- Write efficient SQL queries, stored procedures, and optimize database performance.
- Integrate applications with databases and third-party services.
- Collaborate with cross-functional teams to gather and implement business requirements.
- Troubleshoot, debug, and enhance application performance.
- Follow coding standards, perform code reviews, and maintain technical documentation.
Required Skills
- Strong proficiency in Python.
- Hands-on experience with Flask and/or Django.
- Experience with PySpark for large-scale data processing.
- Strong knowledge of SQL (writing complex queries, joins, indexing, optimization).
- Understanding of REST APIs and microservices architecture.
- Experience with Git/version control.
- Knowledge of relational databases such as PostgreSQL, MySQL, SQL Server, or Oracle.
- Good problem-solving and analytical skills.
Preferred Skills
- Experience with cloud platforms (AWS, Azure, or GCP).
- Familiarity with Docker and Kubernetes.
- Knowledge of CI/CD pipelines.
- Experience with Airflow or other workflow orchestration tools.
- Understanding of Agile/Scrum methodologies.
Euphoric Thought Technologies is a technology-driven firm focused on building scalable software solutions that streamline complex business processes. Operating at the intersection of data engineering and cloud infrastructure, the company serves a diverse portfolio of clients across the fintech and enterprise SaaS sectors. With a culture rooted in technical excellence and agile problem-solving, Euphoric Thought Technologies empowers its engineers to own their modules from conception to deployment, fostering an environment where high-impact code is the primary driver of growth.
Role Overview:
As a Python Developer specializing in Flask, you will be responsible for architecting and maintaining robust backend services that power our core platforms. Must have hands on experience in React.js ,You will work closely with cross-functional teams, including product managers and frontend engineers, to translate business requirements into high-performance API endpoints. Your daily contributions will directly influence the scalability and reliability of our applications, ensuring that our users experience seamless performance even as our data volume and traffic continue to grow.
Key Responsibilities:
- Design and implement scalable RESTful APIs using the Flask framework to support high-traffic web applications.
- Optimize database queries and schema designs in SQL to ensure low-latency data retrieval for complex reporting modules.
- Deploy and manage backend services on AWS infrastructure, ensuring high availability and efficient resource utilization.
- Collaborate with the engineering team to conduct rigorous code reviews, maintaining high standards for code quality and maintainability.
- Troubleshoot and resolve production-level bottlenecks to improve the overall stability of the application ecosystem.
- Integrate third-party services and internal microservices to expand the functionality of our existing product suite.
Required Skillset:
- Demonstrated expertise in building production-grade applications using Python and the Flask framework with 5 years of professional experience.
- Strong proficiency in React.js.
- Hands-on experience with AWS cloud services, including EC2, RDS, and S3, for deploying and scaling backend infrastructure.
- Ability to communicate technical concepts clearly to non-technical stakeholders and work effectively in a collaborative, team-oriented environment.
- Strong analytical mindset with the ability to debug complex issues and provide long-term architectural solutions.
- Comfortable working in a hybrid office environment in Bangalore, demonstrating the ability to manage tasks independently while staying aligned with team goals.
- A degree in Computer Science, Engineering, or a related field is preferred, though equivalent professional experience is highly valued.
Experience:
- Python: 5 years (Preferred)
- AWS: 3 years (Preferred)
- Flask: 3 years (Preferred)
- React.js 4 years (Preferred)
We are looking for a Python Backend Developer to design, build, and maintain scalable backend services and APIs. The role involves working with modern Python frameworks, databases (SQL and NoSQL), and building well-tested, production-grade systems.
You will collaborate closely with frontend developers, AI/ML engineers, and system architects to deliver reliable and high-performance backend solutions.
Key Responsibilities
- Design, develop, and maintain backend services using Python
- Build and maintain RESTful APIs using FastAPI
- Design efficient data models and queries using MongoDB and SQL databases (PostgreSQL/MySQL)
- Ensure high performance, security, and scalability of backend systems
- Write unit tests, integration tests, and API tests to ensure code reliability
- Debug, troubleshoot, and resolve production issues
- Follow clean code practices, documentation, and version control workflows
- Participate in code reviews and contribute to technical discussions
- Work closely with cross-functional teams to translate requirements into technical solutions
Required Skills & Qualifications
Technical Skills
- Strong proficiency in Python
- Hands-on experience with FastAPI
- Experience with MongoDB (schema design, indexing, aggregation)
- Solid understanding of SQL databases and relational data modelling
- Experience writing and maintaining automated tests
- Unit testing (e.g., pytest)
- API testing
- Understanding of REST API design principles
- Familiarity with Git and collaborative development workflows
Good to Have
- Experience with async programming in Python (async/await)
- Knowledge of ORMs/ODMs (SQLAlchemy, Tortoise, Motor, etc.)
- Basic understanding of authentication & authorisation (JWT, OAuth)
- Exposure to Docker / containerised environments
- Experience working in Agile/Scrum teams
What We Value
- Strong problem-solving and debugging skills
- Attention to detail and commitment to quality
- Ability to write testable, maintainable, and well-documented code
- Ownership mindset and willingness to learn
- Teamwork
What We Offer
- Opportunity to work on real-world, production systems
- Technically challenging problems and ownership of components
- Collaborative engineering culture
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:
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.
Contract Management: An AI-powered platform for businesses to quickly review, negotiate and take action on contracts
Signstation: A simple platform for businesses to digitally sign simple documents like invoices, policies and letters in a cost effective manner
Consent Infrastructure:
Consentin: An end-to-end DPDP and Privacy compliance platform for Indian businesses
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 Brief
As Backend Engineer, you will develop solutions to interesting technical problems, explore exciting growth opportunities and have a real impact on our product.
For this, you need to be strong in development processes and methods and deep knowledge of application, database, and security are required. A basic understanding of front-end technologies is good to have.
Key Responsibilities:
Your core objectives are to take conceptual ideas and design and deliver highly scalable, multi-tiered web services while constantly working to better your craft.
We truly value people who are self-directed and can work independently as well as across teams to solve technical roadblocks for our customers.
You should apply if you can write clean and highly maintainable code. The ability to leave code in a better position than you found is always good to have.
You will be working with an agile and cross-functional team that is constantly pushing each other to solve production issues and improve the operational efficiency of the platform.
You need excellent communication skills to discuss and explain technical concepts internally with engineering, operation teams.
Basic understanding of front-end technologies is good to have.
Assess and prioritize feature requests
Coordinate with internal teams to understand user requirements and provide technical solutions.
Desired Skills and Experience:
Programming Language: Python
Framework: Django, Flask
Database: MySQL, MongoDB
Cloud: AWS
Must: TDD (Test Driven Development), exposure to CI/CD, exposure to microservices.
Experience with end-to-end solution development, deployment, and maintenance
1-6 years of hands-on experience with Python web services and an understanding of SAAS, and REST/OAuth/JSON architectures and services.
Experience in developing extensible APIs and highly maintainable services.
Good communication skills
Start-up experience is must
Willing to join immediately ideally.
Female candidates are preferred
We value strong communication, a collaborative and positive attitude, and a professional presence - especially when working with team members and contributing to a healthy and productive internal culture.
Recruitment Process:
Our hiring process combines AI-powered evaluations with structured interviews to ensure a fair and seamless experience.
You will be contacted via email with the next steps upon being shortlisted.
The process may include Assessments, AI-enabled interviews, and In-Person Interviews with our team.
Final selection and CTC will be based on your overall performance and experience.
Apply directly through our career page: https://careers.leegality.com/jobs/Careers
For more information about us please visit our:
Our Company and Culture: https://bit.ly/3Iqm5SB
Our Website: www.leegality.com/
Our LinkedIn Page: www.linkedin.com/company/leegality/
- Leegality's Privacy Notice: https://www.leegality.com/employee-privacy-notice
Position: Python Developer – Flask
Experience: 3+ Years
Location: Bangalore
Joining: Immediate Joiner Preferred
Employment Type: Full-Time
About the Role
We are looking for a skilled and passionate Python Developer with strong experience in Flask framework to join our growing development team. The ideal candidate should have hands-on experience in developing scalable backend applications, REST APIs, and integrating databases/services in a fast-paced environment.
Key Responsibilities
Develop, test, and maintain backend applications using Python and Flask.
Design and build RESTful APIs for web and mobile applications.
Collaborate with frontend developers, QA teams, and product stakeholders.
Write reusable, scalable, and efficient code.
Integrate third-party APIs and services.
Optimize application performance and troubleshoot issues.
Work with databases and ensure data security and integrity.
Participate in code reviews and technical discussions.
Maintain proper documentation for development activities.
Required Skills
3+ years of experience in Python development.
Strong hands-on experience with Flask framework.
Good understanding of REST API development.
Experience with MySQL/PostgreSQL/MongoDB databases.
Familiarity with ORM libraries such as SQLAlchemy.
Knowledge of Git/version control systems.
Understanding of software development lifecycle and agile methodologies.
Basic understanding of Docker and deployment processes is an added advantage.
Good debugging and problem-solving skills.
Preferred Skills
Experience with AWS/Azure or cloud platforms.
Exposure to microservices architecture.
Familiarity with CI/CD pipelines.
Knowledge of frontend technologies like React or Angular is a plus.
Educational Qualification
Bachelor’s degree in Computer Science, Information Technology, or related field.
What We’re Looking For
Immediate joiner or candidates with short notice period.
Strong communication and teamwork skills.
Self-driven and proactive mindset
About the Role
We are looking for an experienced Python Full-Stack Developer with 5+ years of experience to develop and maintain scalable web applications and SaaS products. The role involves working with Python, FastAPI/Flask/Django, ReactJS, REST APIs, databases, AWS, and Docker, while focusing on performance, scalability, and reliable solutions. The ideal candidate should have strong problem-solving skills and the ability to collaborate effectively with cross-functional teams.
Requirements
- 5+ years of hands-on experience in Python Full-Stack Development.
- Strong experience with Python, FastAPI/Flask/Django, ReactJS, JavaScript, HTML5, CSS3
- Good knowledge of REST APIs, Celery, and Redis.
- Experience with MySQL/PostgreSQL and MongoDB.
- Hands-on experience with AWS (EC2, Secrets Manager, ECR) and Docker.
- Proficiency in Git, NumPy, Pandas, and Matplotlib.
- Strong understanding of Data Structures, Algorithms, debugging, and performance optimisation.
- Knowledge of Machine Learning is an added advantage.
- Strong analytical, problem-solving, and communication skills.
Key Responsibilities
- Develop and maintain scalable full-stack applications using Python, FastAPI/Flask/Django, ReactJS, and JavaScript.
- Build and integrate REST APIs, responsive UI components, and third-party services.
- Implement asynchronous processing using Celery and Redis.
- Work with SQL and NoSQL databases including MySQL, PostgreSQL, MongoDB, and Redis.
- Develop data-driven solutions using NumPy, Pandas, and Matplotlib.
- Deploy and manage applications using AWS (EC2, Secrets Manager, ECR) and Docker.
- Use Git for version control and collaborative development.
- Debug, optimize, and ensure application performance, scalability, and reliability.
- Collaborate with cross-functional teams to deliver high-quality solutions and contribute to technical improvements.
Good to Have
- Experience working on SaaS products or large-scale web applications.
- Experience with AWS deployment and CI/CD pipelines.
- Knowledge of cloud architecture and microservices.
- Experience with machine learning or data-intensive applications.
- Experience with frontend state-management solutions such as Redux or Context API.
- Experience mentoring junior developers or leading technical initiatives.







