Senior Backend Developer

Job Details

- Job Title: Lead Software Engineer - Java, Python, API Development

- Industry: Global digital transformation solutions provider

- Domain - Information technology (IT)

- Experience Required: 8-10 years

- Employment Type: Full Time

- Job Location: Pune & Trivandrum/ Thiruvananthapuram

- CTC Range: Best in Industry

Job Description

Job Summary

We are seeking a Lead Software Engineer with strong hands-on expertise in Java and Python to design, build, and optimize scalable backend applications and APIs. The ideal candidate will bring deep experience in cloud technologies, large-scale data processing, and leading the design of high-performance, reliable backend systems.

Key Responsibilities

• Design, develop, and maintain backend services and APIs using Java and Python
• Build and optimize Java-based APIs for large-scale data processing
• Ensure high performance, scalability, and reliability of backend systems
• Architect and manage backend services on cloud platforms (AWS, GCP, or Azure)
• Collaborate with cross-functional teams to deliver production-ready solutions
• Lead technical design discussions and guide best practices

Requirements

• 8+ years of experience in backend software development
• Strong proficiency in Java and Python
• Proven experience building scalable APIs and data-driven applications
• Hands-on experience with cloud services and distributed systems
• Solid understanding of databases, microservices, and API performance optimization

Nice to Have

• Experience with Spring Boot, Flask, or FastAPI
• Familiarity with Docker, Kubernetes, and CI/CD pipelines
• Exposure to Kafka, Spark, or other big data tools

Skills

Java, Python, API Development, Data Processing, AWS Backend

Skills: Java, API development, Data Processing, AWS backend, Python,

Must-Haves

Java (8+ years), Python (8+ years), API Development (8+ years), Cloud Services (AWS/GCP/Azure), Database & Microservices

8+ years of experience in backend software development

Strong proficiency in Java and Python

Proven experience building scalable APIs and data-driven applications

Hands-on experience with cloud services and distributed systems

Solid understanding of databases, microservices, and API performance optimization

Mandatory Skills: Java API AND AWS

******

Notice period - 0 to 15 days only

Job stability is mandatory

Location: Pune, Trivandrum

Job Title: Python Developer (FastAPI)

Experience Required: 4+ years

Location: Pune, Bangalore, Hyderabad, Mumbai, Panchkula, Mohali 

Shift: Night Shift 6:30 pm to 3:30 AM IST

About the Role

We are seeking an experienced Python Developer with strong expertise in FastAPI to join our engineering team. The ideal candidate should have a solid background in backend development, RESTful API design, and scalable application development.

Required Skills & Qualifications

· 4+ years of professional experience in backend development with Python.

· Strong hands-on experience with FastAPI (or Flask/Django with migration experience).

· Familiarity with asynchronous programming in Python.

· Working knowledge of version control systems (Git).

· Good problem-solving and debugging skills.

· Strong communication and collaboration abilities.

Job Title: Backend Developer - Fintech

Responsibilities:

• Architect and Develop: Design, build, and maintain secure, scalable, and efficient RESTful APIs using Django Rest Framework, ensuring compliance with regulatory requirements.
• Collaborate: Work closely with cross-functional teams to gather requirements and translate them into technical specifications and actionable plans.
• Debug and Resolve: Identify and fix backend issues and bugs, ensuring a seamless user experience for financial applications.
• Optimize Systems: Continuously enhance backend systems for performance, scalability, and resource efficiency.
• Code Quality: Uphold high standards of code quality, organization, and implement automated testing processes to meet industry standards.
• Stay Updated: Keep abreast of fintech industry trends, technological advancements, and regulatory updates to continually improve backend architecture.

Requirements:

• Experience: 5+ years of proven experience in backend development with a strong skill set in Python and Django.
• API Development: Extensive experience in developing secure and compliant RESTful APIs using Django Rest Framework.
• Database Proficiency: In-depth knowledge of MySQL for database design, optimization, and maintenance; experience with MongoDB is a plus.
• DevOps: Proficiency in DevOps practices, including CI/CD pipelines, infrastructure as code, and containerization.
• Cloud Services: Exposure to cloud services (AWS, GCP) with an emphasis on security and regulatory compliance.
• Software Principles: Solid understanding of software development principles, design patterns, and best practices in the fintech domain.
• Agile Environment: Experience working in an Agile/Scrum development environment.
• Problem-Solving: Excellent problem-solving and analytical skills, with keen attention to detail.
• Collaboration: Strong communication and collaboration skills to work effectively in a team-oriented fintech environment.
• Version Control: Proficiency with Git for version control and collaborative development.

Preferred Skills:

• Asynchronous Processing: Familiarity with asynchronous task processing using Celery or similar technologies, especially in financial transaction processing.
• AWS Expertise: Strong knowledge of AWS services and infrastructure, including EC2, S3, RDS, Lambda, with a focus on security and compliance.
• GCP Expertise : VPC, Virtual Machines, SQL, IP whitelisting
• Caching Mechanisms: Experience with caching mechanisms (e.g., Redis) for optimizing real-time data access and processing.
• Continuous Learning: Eagerness to learn and adapt, staying updated with emerging technologies and methodologies in backend development and the fintech industry.

Responsibilities

·       Develop Python-based APIs using FastAPI and Flask frameworks.

·       Develop Python-based Automation scripts and Libraries.

·       Develop Front End Components using VueJS and ReactJS.

·       Writing and modifying Docker files for the Back-End and Front-End Components.

·       Integrate CI/CD pipelines for Automation and Code quality checks.

·       Writing complex ORM mappings using SQLAlchemy.

Required Skills:

·       Strong experience in Python development in a full stack environment is a requirement, including NodeJS, VueJS/Vuex, Flask, etc.

·       Experience with SQLAchemy or similar ORM frameworks.

·       Experience working with Geolocation APIs (e.g., Google Maps, Mapbox).

·       Experience using Elasticsearch and Airflow is a plus.

·       Strong knowledge of SQL, comfortable working with MySQL and/or PostgreSQL databases.

·       Understand concepts of Data Modeling.

·       Experience with REST.

·       Experience with Git, GitFlow, and code review process.

·       Good understanding of basic UI and UX principles.

·       Project excellent problem-solving and communication skills.

BE / B-Tech degree and 2+ years of work experience, or ME / MS degree and 2+  years of work experience, in Computer Science.

• Strong programming skills in Python/Django
• Experience with Angular, JavaScript frameworks/libraries
• Hands on experience with MySQL, PostGreSQL or other RDBMS
• Experience with Web application security and Secure coding practices
• Strong Analytical thinking and problem solving ability
• Familiarity with software collaboration tools – GIT
• Ability to work with a distributed and diverse team of researchers and developers.
• Excellent English language communication skills, both written and verbal.
• High level of innovation and motivation

About The Team

We are striving to create the best productivity tools which will help small businesses to go online and scale their growth consistently with the bleeding edge of technology. Our backend team is looking for a solid Rockstar engineer who can hack around multiple technologies and build highly scalable, low latency, distributed systems. You will work closely with our product team to build new and compelling experiences for our customers!

We place special emphasis on the continuous growth of each team member - and we do this with regular 1-1s and open communication. As Software Engineer - Backend, you will be part of self-starters who thrive on teamwork and constructive feedback.

About The Role

As a Software Engineer - Backend, you will solve real-life complex problems and create compelling experiences for our users. In this role, you will ensure that the solutions and processes that we create are of the highest quality. And in doing so, you will champion a seamless app experience for all our users. You will also collaborate with your fellow engineers to create scalable solutions that are pertinent to Product IO's overall growth.

If you are confident about solving hard, interesting and UNIQUE problems, and creating an impact within an entrepreneurial environment, then you might just be our next Software Engineer - Backend

What You'll Do:

• Lead, build, test, and release mobile application features using cross-platform tools.
• Collaborate with the front-end team to expose weaknesses and problems
• Build out our APIs and tools using Python & Firebase libraries on the backend.
• Experience with NodeJS and deployment in Serverless
• Experience with NoSql(MongoDB) and SQL(PostregSQL)
• Work closely with Product, Design, Platform, and other cross-functional groups to drive product vision.
• Previous experience helping shape API structures and building REST APIs.
• Understanding of accessibility and server compliance (GCP)

Required Qualifications:

• 2+ years professional software development experience, preferably mobile apps with a cloud backend. Example projects in (Python, Firebase)
• 6 months experience in Google Cloud Platform
• Excellent communication skills are a must, and experience with estimating and managing project tasks is important, too
• Highly driven, naturally curious, and comfortable working in a fast-paced environment

Bonus points:

• 1+ years of experience in developing Firebase apps.
• Experience in developing or designing APIs and web applications.
• Deployment in Cloud Environment.
• Familiarity with Flutter.

Why join us:

• 👫 A fast-moving, fun, growth-oriented company made up of skillful team players
• 💬 Transparent, open, and collaborative work environment
• 🌟 An opportunity to work closely with a proven executive team, board, and serial entrepreneurs

We are looking for a Python Web Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application; therefore, a basic understanding of front-end technologies is necessary as well.

• Writing reusable, testable and efficient code.
• Design and implementation of low-latency, high-availability, and performant applications.
• Integration of user-facing elements developed by front-end developers with server side logic.
• Implementation of security and data protection.
• Integration of data storage solutions (may include databases, key-value stores, blob stores, etc.)

Skills And Qualifications:

• Expert in Python, with knowledge of at least one Python web framework (such as Django, Flask, etc depending on your technology stack).
• Familiarity with some ORM (Object Relational Mapper) libraries.
• Able to integrate multiple data sources and databases into one system.
• Understanding of the threading limitations of Python, and multi-process architecture.
• Good understanding of server-side templating languages.
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3.
• Understanding of accessibility and security compliance (depending on the specific project).
• Knowledge of user authentication and authorization between multiple systems, servers and environments.
• Understanding of fundamental design principles behind a scalable application.
• Familiarity with event-driven programming in Python.
• Understanding of the differences between multiple delivery platforms, such as mobile vs desktop, and optimizing output to match the specific platform.
• Able to create database schemas that represent and support business processes.
• Strong unit test and debugging skills.