Python Developer

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.

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

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).

We are looking for a skilled Python & PySpark Developer with strong expertise in Big Data technologies, Spark, SQL/PL-SQL, and REST API development using Flask or Django. The ideal candidate should have experience building scalable data pipelines, processing large datasets, developing APIs, and working with distributed computing frameworks.

Key Responsibilities

• Develop, optimize, and maintain scalable data pipelines using PySpark and Apache Spark.
• Design, develop, and optimize complex SQL and PL/SQL queries, stored procedures, functions, and database objects.
• Build and maintain RESTful APIs using Flask or Django.
• Develop robust Python applications for data engineering and backend services.
• Process and analyze large-scale datasets using Big Data technologies.
• Optimize Spark jobs for performance, scalability, and reliability.
• Integrate APIs with internal and external systems.
• Collaborate with cross-functional teams including Data Engineers, Data Scientists, and Application Developers.
• Troubleshoot production issues and implement performance improvements.
• Follow coding standards, version control, and CI/CD best practices.

Mandatory Skills

• Strong proficiency in Python programming.
• Hands-on experience with PySpark and Apache Spark.
• Strong SQL coding skills.
• Experience with PL/SQL development.
• Experience in Big Data ecosystem.
• REST API development using Flask or Django.
• Experience in developing and consuming Python APIs.
• Knowledge of data processing, ETL, and distributed computing.
• Experience with Git/version control.

Preferred Skills

• Experience with Hadoop ecosystem (Hive, HDFS, YARN).
• Exposure to cloud platforms such as AWS, Azure, or GCP.
• Knowledge of Airflow or other workflow orchestration tools.
• Experience with Docker and Kubernetes.
• Familiarity with Kafka or other streaming technologies.
• Understanding of CI/CD pipelines.

Qualifications

• Bachelor's or Master's degree in Computer Science, Information Technology, or a related field.
• 4–8+ years of experience in Python and Big Data development (can be adjusted based on the role).

Required Experience

• Strong hands-on experience in Python, PySpark, and Apache Spark.
• Extensive experience writing optimized SQL and PL/SQL code.
• Experience developing REST APIs using Flask or Django.
• Experience working with large-scale data processing and ETL pipelines.
• Strong analytical, debugging, and problem-solving skills.

Mandatory Skills: Python, PySpark, SQL Coding, Apache Spark, Big Data, Flask/Django (REST API), PL/SQL, Python APIs.

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

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.

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 Internship

SkillSecure X is looking for enthusiastic Python Developer Interns who are passionate about software development and programming. This internship provides hands-on experience in Python development through real-world projects, coding assignments, and mentor-guided learning.

Responsibilities

• Develop and maintain Python-based applications.
• Write clean, efficient, and well-documented code.
• Debug, test, and optimize Python programs.
• Work with APIs and databases for application development.
• Collaborate with mentors on project development.
• Complete weekly coding tasks and project assignments.

Required Skills

• Basic knowledge of Python programming.
• Understanding of Object-Oriented Programming (OOP).
• Familiarity with SQL or databases is a plus.
• Basic knowledge of Git is an advantage.
• Strong analytical and problem-solving skills.

Eligibility

• Undergraduate or postgraduate students.
• Recent graduates.
• Students pursuing Computer Science, Information Technology, Software Engineering, Artificial Intelligence, Data Science, or related disciplines.

Benefits

• Hands-on Python development experience.
• Mentor-guided practical training.
• Internship Completion Certificate.
• Letter of Recommendation (based on performance).
• Opportunity to build a strong development portfolio.
• Flexible remote internship.

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.

About NonStop io Technologies

NonStop io Technologies is a value-driven company with a strong focus on process-oriented software engineering. We specialize in Product Development and have a decade's worth of experience in building web and mobile applications across various domains. NonStop io Technologies follows core principles that guide its operations and believes in staying invested in a product's vision for the long term. We are a small but proud group of individuals who believe in the 'givers gain' philosophy and strive to provide value in order to seek value. We are committed to and specialize in building cutting-edge technology products and serving as trusted technology partners for startups and enterprises. We pride ourselves on fostering innovation, learning, and community engagement. Join us to work on impactful projects in a collaborative and vibrant environment.

Brief Description

We are looking for a passionate and experienced Backend Engineer (Python) to join our engineering team. The ideal candidate will have strong expertise in backend development, API design, scalable application architecture, and SaaS applications, along with exposure to data processing, ETL workflows, and data integration. Familiarity with React and frontend technologies is an added advantage.

You will collaborate with cross-functional teams to build, enhance, and maintain robust, secure, and high-performance applications while contributing to backend services, data workflows, and cloud-based systems.

Roles and Responsibilities

• Design, develop, and maintain scalable and high-performance web applications and backend services.
• Develop secure, efficient, and reliable backend services and RESTful APIs using Python.(Django/Flask)
• Design and implement scalable microservices and distributed application components.
• Collaborate with frontend engineers and contribute to React-based features or integrations when required.
• Develop, maintain, and support ETL/data processing workflows for extracting, transforming, and loading data across systems.
• Build Python-based data processing scripts, services, and integrations to support application and business requirements.
• Work with relational databases to support data extraction, transformation, validation, and loading processes.
• Collaborate with data and engineering teams to improve data quality, reliability, and processing efficiency.
• Work closely with product managers, designers, QA engineers, DevOps, data engineers, and other stakeholders to deliver high-quality features.
• Write clean, maintainable, reusable, and testable code following software engineering best practices.
• Participate in code reviews and contribute to coding standards, engineering practices, and technical improvements.
• Optimize applications, APIs, databases, ETL processes, and backend services for performance, reliability, and scalability.
• Troubleshoot, diagnose, and resolve application, data processing, and production issues.
• Contribute to system architecture, technical design decisions, and continuous improvement initiatives.
• Develop and maintain automated tests to ensure application quality and reliability.
• Collaborate with DevOps teams to support CI/CD pipelines, containerized deployments, cloud-based applications, and deployment automation.
• Monitor and support backend services and data workflows in development, staging, and production environments

Requirements

• 3 to 6 years of professional experience in Backend Development using Python.
• Strong hands-on experience with Python backend frameworks such as Django and Flask.
• Experience building and supporting SaaS applications, with exposure to microservices, caching, pub-sub, messaging technologies, RESTful APIs, and distributed systems.
• Exposure to ETL processes, data pipelines, data integration, or data processing using Python. (Preferred)
• Understanding of ETL concepts such as data extraction, transformation, validation, loading, and data quality.(Preferred)
• Experience working with relational databases, preferably PostgreSQL, for application development and/or data processing workflows.
• Strong understanding of databases such as PostgreSQL, MySQL, MongoDB, or SQL Server.
• Familiarity with frontend technologies, particularly React, is an advantage.
• Experience with version control systems such as Git.
• Exposure to technologies such as Kafka, Redis, Elasticsearch, Redshift, Nginx, and GraphQL is a plus.
• Exposure to data technologies or tools such as Airflow, Pandas, SQLAlchemy, Spark, or similar data processing frameworks is a plus.
• Strong foundation in computer science, including data structures, algorithms, object-oriented programming, and software design principles.
• Familiarity with CI/CD pipelines and tools such as Jenkins.
• Good understanding of cloud platforms such as AWS, Azure, or GCP.
• Strong understanding of software design principles, scalable application architecture, and data structures.
• Experience with containerization technologies such as Docker.
• Knowledge of automated testing frameworks and best practices.
• Experience working in Agile/Scrum environments.
• Strong problem-solving, analytical, communication, and collaboration skills.

Why Join Us?

• Opportunity to work on a cutting-edge healthcare product
• A collaborative and learning-driven environment
• Exposure to AI and software engineering innovations
• Excellent work ethic and culture

If you're passionate about technology and want to work on impactful projects, we'd love to hear from you!