Lead Software Developer

quantiphi; United States; On-site; USD 120,000 - 180,000; Full time

Job summary

Quantiphi in the United States is seeking a Senior Software Developer to design, build, and deploy robust distributed applications powering our AI-driven solutions. You will use Python (FastAPI) for backend services, ReactJS for front-end interfaces, and PostgreSQL for data management, with deployments mainly on GCP and some AWS exposure.

Collaborating with data scientists, you will implement tests with Pytest and Vitest, contribute to cloud-native architectures, and drive quality through CI/CD

Qualifications

• 5+ years of hands-on backend or full-stack development experience.
• Strong Python expertise with APIs using FastAPI.
• Proficiency with ReactJS for modern front-end interfaces.
• Deep PostgreSQL knowledge including design and queries.
• Experience with unit testing frameworks (Pytest).

Responsibilities

• Lead design and development of scalable backend services with Python/FastAPI.
• Build responsive front-end interfaces using ReactJS.
• Design and optimize PostgreSQL schemas and queries.
• Implement tests with Pytest and Vitest, emphasize TDD principles.
• Participate in architectural discussions and cloud-native decisions.
• Deploy and monitor apps on GCP with AWS exposure.
• Collaborate with data scientists to integrate ML/analytics.
• Mentor junior developers and participate in code reviews.

Skills

Python (FastAPI)

ReactJS

PostgreSQL

Unit testing (Pytest)

API design

Tools

Git

CI/CD

GCP

AWS

Job description

While technology is the heart of our business, a global and diverse culture is the heart of our success. We love our people and we take pride in catering them to a culture built on transparency, diversity, integrity, learning and growth.

If working in an environment that encourages you to innovate and excel, not just in professional but personal life, interests you- you would enjoy your career with Quantiphi!

About Quantiphi:

Quantiphi is an award-winning, AI-First digital engineering and consulting company focused on delivering high-impact Services and Solutions that help organizations solve what truly matters. We partner with enterprises to reimagine their businesses through intelligent, scalable, and transformative AI driving measurable outcomes at the very core of their operations.

Since our founding in 2013, Quantiphi has tackled some of the world's most complex business challenges by combining deep industry expertise, disciplined cloud and data engineering practices, and cutting-edge applied AI research. Our work is rooted in delivering accelerated, quantifiable business value, not just technology for technology's sake.

Headquartered in Boston, Quantiphi is a global organization with 4,000+ professionals serving clients across key industry verticals, including BFSI, Healthcare & Life Sciences, CPG, MFG, TME etc.

As an Elite and Premier partner to leading cloud and AI platforms such as NVIDIA, Google Cloud, AWS, and Snowflake, we build and deliver enterprise-grade AI services and solutions that create real-world impact.

Our industry recognition includes:

• 21x Google Cloud Partner of the Year awards in the last 8 years.
• 3x AWS AI/ML award wins.
• 3x NVIDIA Partner of the Year titles.
• 2x Snowflake Partner of the Year awards.
• Top analyst recognitions from Gartner, ISG, and Everest Group.
• Consecutive certifications as a Great Place to Work.

Be part of a trailblazing team that's shaping the future of AI, ML, and cloud innovation.

Your next big opportunity starts here!

Role Summary:

We are seeking a highly skilled and experienced Senior Software Developer to join our dynamic team. This role is pivotal in designing, developing, and deploying robust, scalable, and distributed applications and web services that power our mission-critical, AI-driven solutions. The ideal candidate will possess deep expertise in Python (FastAPI) for backend development, ReactJS for intuitive user interfaces, and a strong understanding of PostgreSQL for data management. You will be instrumental in building high-performance systems, contributing to machine learning and data analytics initiatives, and collaborating with cross-functional teams to deliver enterprise-grade software solutions primarily hosted on GCP (with exposure to AWS).

Roles & Responsibilities:

• Lead the design and development of highly scalable, distributed backend services using Python with FastAPI, ensuring optimal performance and reliability.
• Develop responsive and engaging user interfaces using ReactJS, translating complex requirements into intuitive and efficient front-end experiences.
• Design, implement, and optimize database schemas and queries for PostgreSQL, ensuring data integrity, performance, and scalability.
• Implement robust unit and integration tests for both backend and frontend components using Pytest (for Python) and Vitest (for ReactJS), emphasizing test-driven development (TDD) principles.
• Actively participate in architectural discussions, evaluating trade-offs for synchronous and asynchronous design patterns, and contributing to technical design decisions for cloud-native applications.
• Deploy, monitor, and troubleshoot applications within GCP environments (e.g., Cloud Run, GKE, App Engine, Cloud SQL, Secret Manager), with an understanding of multi-cloud principles including AWS.
• Contribute to the entire Software Development Life Cycle (SDLC), from requirements gathering and design to deployment, maintenance, and performance optimization, including load testing strategies.
• Collaborate closely with data scientists and machine learning engineers to integrate AI/ML models and data analytics capabilities into our applications.
• Mentor junior developers, conduct thorough code reviews, and contribute to fostering a culture of technical excellence and continuous improvement.
• Work effectively within agile methodologies, utilizing CI/CD pipelines and version control systems (e.g., Git) to ensure efficient and high-quality software delivery.

Required Skills & Qualifications:

• 5+ years of hands-on experience in full-stack or backend software development, with a strong focus on building distributed, scalable systems.
• Expert proficiency in Python, with extensive experience developing high-performance APIs using FastAPI.
• Strong experience with ReactJS for building modern, component-based user interfaces.
• Deep expertise in PostgreSQL, including database design, optimization, and advanced querying.
• Proven experience with unit testing framewo