Python Developer

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.

About the Company

Mellow Vault is building a next-generation technology and talent ecosystem focused on scalable software solutions and high-performance code. The team works across web development, cloud technologies, and modern software engineering stacks to create reliable digital products. This opportunity is intended for early-career developers and fresh graduates who want to strengthen their engineering capabilities while contributing to meaningful digital products in a collaborative environment.

Responsibilities

• Write clean, maintainable, efficient code using Python, Java, JavaScript, TypeScript, C++, or related technologies.
• Support the design, development, testing, and deployment of APIs, web applications, and data services.
• Assist with debugging, defect resolution, application performance improvements, and technical troubleshooting.
• Participate in daily standups, code reviews, sprint planning, and agile development practices.
• Collaborate with senior developers and cross-functional teammates to understand requirements and follow sound implementation standards.

Requirements

• Strong foundational knowledge of data structures, algorithms, and object-oriented programming principles.
• Familiarity with at least one modern programming language, such as Python, Java, JavaScript, TypeScript, or C++.
• Basic understanding of HTML, CSS, REST APIs, and SQL or NoSQL database concepts.
• Working familiarity with Git or GitHub and standard software development workflows.
• Good problem-solving ability, communication skills, curiosity, and a strong willingness to learn new technologies.
• This role is suitable for fresh graduates and early-career candidates with 0 years of experience.

About the Role

We are looking for a motivated Software Developer to join our team and help design, develop, test, and maintain reliable software applications. The ideal candidate should have strong programming fundamentals, problem-solving skills, and a willingness to learn new technologies.

Key Responsibilities

• Develop, test, and maintain web and software applications.
• Write clean, scalable, and well-documented code.
• Work with frontend and backend technologies to build new features.
• Identify and fix bugs, performance issues, and technical problems.
• Integrate APIs and third-party services when required.
• Work with databases and maintain data integrity.
• Collaborate with designers, developers, and other team members.
• Participate in code reviews and follow software development best practices.
• Stay updated with emerging technologies and development tools.

Required Skills

• Strong knowledge of HTML, CSS, and JavaScript.
• Knowledge of at least one programming language such as Python, Java, PHP, C++, or JavaScript/Node.js.
• Basic understanding of databases such as MySQL, PostgreSQL, or MongoDB.
• Familiarity with REST APIs and Git/GitHub.
• Good understanding of software development and debugging.
• Strong logical thinking and problem-solving abilities.

Preferred Skills

• Experience with React, Angular, or Vue.js.
• Experience with Node.js, Django, Flask, Laravel, or similar frameworks.
• Knowledge of cloud platforms such as AWS, Azure, or Google Cloud.
• Familiarity with AI/ML integration or automation is a plus.

Qualifications

• B.Tech/B.E., BCA, MCA, or a related degree.
• Freshers with strong programming skills are welcome to apply.

What We Offer

• Opportunity to work on real-world software projects.
• Learning and professional development opportunities.
• Collaborative and growth-oriented work environment.
• Exposure to modern technologies and development practices.
• Competitive salary based on skills and experience.

Job Summary: We are seeking a highly skilled Full-stack Developer to join our dynamic team as a Delivery Module Lead. The ideal candidate will possess strong expertise in Python and front-end technologies, enabling them to design, develop, and maintain robust web applications. This role requires a proactive individual who can collaborate effectively with cross-functional teams to deliver high-quality software solutions that meet business needs.

• Proficient in Python programming language.
• Strong knowledge of front-end technologies such as HTML, CSS, and JavaScript.
• Experience with front-end frameworks like React, Angular, or Vue.js.
• Familiarity with back-end frameworks such as Django or Flask.
• Understanding of RESTful APIs and web services.
• Experience with version control systems, preferably Git.

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

• 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.

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.

Mandatory (Experience 1) – Must have 3+ years of experience in Full Stack Development with hands-on experience building and deploying production-grade web applications.

2

Mandatory (Skills 1) – Must have strong hands-on experience in Python or Node.js for backend development.

3

Mandatory (Skills 2) – Must have experience developing REST APIs using frameworks such as FastAPI, Flask, Express.js or similar.

4

Mandatory (Skills 3) – Must have hands-on experience with at least one modern frontend framework such as React.js or Angular, along with JavaScript/TypeScript.

5

Mandatory (Skills 4) – Must have hands-on experience with SQL databases such as PostgreSQL, MySQL or similar.

6

Mandatory (Skills 5) – Must have experience integrating frontend applications with backend APIs and third-party services.

7

Mandatory (Skills 6) – Must have good understanding of OOP, data structures, software engineering practices and clean/testable code.

8

Mandatory (Skills 7) – Must have experience with Git/GitHub and standard development practices including code reviews and version control.

9

Mandatory (Skills 8) – Must have experience with cloud platforms such as Azure or AWS and exposure to application deployment.

10

Mandatory (Skills 9) – Must have hands-on experience with Docker/containerized applications and understanding of scalable application development.

11

Preferred (Experience 1) – Experience with Kubernetes, CI/CD pipelines and cloud-native deployments.

12

Preferred (Experience 2) – Experience with Redis/caching, asynchronous programming, microservices or distributed systems.

13

Preferred (Experience 3) – Exposure to AI/ML, Generative AI, LLM applications or RAG-based applications.

14

Mandatory (Age) - Candidate's Age should be below 28

15

Mandatory ( Location ) - Candidates Only From Pune & Mumbai.

16

Mandatory (Education) - Must be a B.E / B.Tech from Tier 1 Colleges (IIT, NIT, IIIT, BITS, DTU, NSUT)

We are looking for a skilled Full Stack Developer with 3+ years of experience in Python and React.js to join our engineering team. The ideal candidate should have strong experience building scalable web applications, developing backend APIs, and creating responsive frontend interfaces.

Key Responsibilities

• Develop and maintain full-stack web applications using Python and React.js.
• Build scalable and secure RESTful APIs using Django, Flask, or FastAPI.
• Develop responsive and user-friendly interfaces using React.js.
• Integrate frontend applications with backend APIs and third-party services.
• Work with databases such as PostgreSQL, MySQL, or MongoDB.
• Write clean, reusable, and maintainable code.
• Troubleshoot, debug, and optimize application performance.
• Participate in code reviews and follow software development best practices.
• Collaborate with UI/UX designers, QA engineers, DevOps, and other developers.
• Write unit and integration tests to ensure application reliability.
• Use Git/GitHub/GitLab for version control.
• Contribute to system design, documentation, deployment, and continuous improvement.

Required Skills

• 3+ years of professional experience in Full Stack Development
• Strong hands-on experience with Python
• Strong experience with React.js
• Experience with Django / Flask / FastAPI
• Good understanding of JavaScript, HTML5, and CSS3
• Strong knowledge of REST APIs
• Experience with PostgreSQL / MySQL / MongoDB
• Good understanding of Git and version control
• Strong knowledge of OOP, data structures, and software development concepts
• Experience with debugging and performance optimization
• Good problem-solving and communication skills

Good to Have

• Experience with TypeScript
• Knowledge of Next.js
• Experience with AWS / Azure / GCP
• Knowledge of Docker and Kubernetes
• Understanding of CI/CD pipelines
• Experience with microservices architecture
• Exposure to AI/ML or GenAI applications is a plus

Education

Bachelor’s degree in Computer Science, IT, Engineering, or a related field.

We’re looking for a hands-on builder who can thrive in a fast-paced startup environment. You’ll own features end-to-end, from designing architecture to writing clean, reusable code, testing, deploying, and iterating fast.

What you’ll do

• Build and scale web + mobile applications using Python (Django) and React Native/React.
• Design, develop, and deploy cloud-native solutions using AWS services.
• Work with both SQL and NoSQL databases (PostgreSQL, DynamoDB).
• Ensure applications are secure, scalable, and performance-optimized.
• Collaborate closely with product, design, and business teams to ship features at lightning speed.
• Take ownership of problems - from brainstorming and architecture to debugging in production.
• Bring startup energy: move fast, learn fast, and don’t be afraid to get your hands dirty.

What we’re looking for

• 1-3 years of experience in full-stack development.
• Strong experience in Python (Django).
• Proficiency in React Native/React, with solid knowledge of JavaScript.
• Experience with AWS services (serverless, EC2, S3, etc.).
• Experience with docker or kubernetes.
• Hands-on with databases: PostgreSQL, DynamoDB.
• Strong understanding of data structures, design patterns, and microservices architecture.
• Proficiency with Git and version control workflows.
• A product-first mindset, balancing code quality with speed of execution.
• Great communication skills, detail-oriented, and a true team player.
• Bonus - If you are an AI native developer and try to solve problems using AI