Quantiphi

Senior Application Developer

Quantiphi$120K — $150K *
US-AnywhereRemote in United States
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 8+ years of experience in application development
  • Strong proficiency in JavaScript and TypeScript
  • Hands-on experience with Next.js and React.js
  • Extensive experience in Python and serverless applications on AWS
  • Familiarity with microservices architecture and scalable APIs
  • Ability to implement multi-tenancy logic in applications
  • Strong debugging and troubleshooting abilities

Responsibilities

  • Develop and maintain frontend applications using Next.js and TypeScript
  • Build backend services and AWS Lambda functions using Python
  • Implement scalable workflows with AWS Step Functions
  • Design GraphQL schemas and resolvers with Amazon AppSync
  • Participate in architecture discussions and engineering design reviews
  • Debug production issues to ensure timely resolutions
  • Collaborate with cross-functional teams throughout the software development lifecycle

Benefits

  • Opportunity to impact one of the fastest-growing AI-first engineering companies
  • Collaborate with a talented and driven team
  • Work with Fortune 500 companies in a research-focused environment
  • Gain experience with cutting-edge AI, ML, and cloud technologies
  • Continuous opportunities for upskilling and professional growth
Full Job Description
Role: Application Developer

Experience Level: 8+ years of experience

Employment type: Full time

Location: Remote USA

What you will do:

We are looking for an experienced Application Developer to contribute to the design, development, enhancement, and maintenance of cloud-native applications built on AWS. The ideal candidate should have strong experience in modern frontend development with Next.js and TypeScript, backend development using Python, and serverless application development on AWS.

The role involves developing new application features, enhancing existing functionality, implementing scalable backend services, and collaborating closely with architects, DevOps engineers, data engineers, QA teams, and business stakeholders to deliver high-quality solutions. You will:
  • Develop and maintain frontend applications using Next.js, React, and TypeScript.
  • Develop backend services using Python and serverless AWS technologies.
  • Design and implement AWS Lambda functions to support application business logic.
  • Develop and orchestrate workflows using AWS Step Functions.
  • Design, develop, and maintain Amazon AppSync GraphQL schemas and resolvers.
  • Implement and enhance multi-tenancy logic across application services.
  • Build reusable, scalable, and responsive frontend components.
  • Integrate frontend applications with backend APIs and cloud services.
  • Participate in application architecture discussions and technical design reviews.
  • Debug production issues and provide timely resolutions.
  • Optimize application performance, scalability, and maintainability.
  • Collaborate with cross-functional teams throughout the software development lifecycle.
  • Follow coding standards, security best practices, and cloud-native development principles.
  • Contribute to technical documentation, code reviews, and knowledge sharing.

Basic Qualifications (BQs):

Frontend Development
  • Strong experience in JavaScript/TypeScript
  • Hands-on experience with Next.js
  • Strong proficiency in React.js
  • Experience with Redux (or equivalent state management libraries)
  • Good knowledge of HTML5, CSS3, and Material UI
  • Experience building reusable and responsive frontend components


Backend Development
  • Strong Python development experience
  • Experience with Python web frameworks such as:
    • FastAPI
    • Flask
    • Django
  • Experience developing RESTful APIs and backend services


AWS & Cloud Development
  • Hands-on experience developing serverless applications using AWS services including:
    • AWS Lambda
    • AWS Step Functions
    • Amazon API Gateway
    • Amazon AppSync
    • Amazon SQS
    • Amazon SNS
    • Amazon S3
    • Amazon Aurora PostgreSQL
    • AWS Glue (Python Shell)
  • Experience deploying and maintaining cloud-native applications on AWS

Platform & Architecture
  • Experience working with AWS Amplify Gen 2 (or willingness to quickly adapt)
  • Understanding of Next.js + AWS CDK based application architecture
  • Experience designing scalable APIs and microservices

Application Development
  • Experience implementing multi-tenant application logic
  • Experience developing and maintaining frontend application components
  • Strong debugging and troubleshooting skills
  • Ability to enhance existing applications while developing new features


Collaboration
  • Ability to work effectively with:
    • Solution Architects
    • DevOps Engineers
    • Data Engineers
    • QA Teams
    • Product Owners
    • Clients and Business Stakeholders


Other Qualifications (OQs):
  • Experience with AWS CDK
  • Understanding of GraphQL and Amazon AppSync schema design
  • Exposure to microservices architecture
  • Knowledge of caching, queuing, and application performance optimization
  • Exposure to application security best practices and AWS Well-Architected Framework
  • Experience working on data-intensive applications
  • Exposure to reporting platforms such as Amazon QuickSight or Power BI
  • Experience in effort estimation, documentation, and sprint planning
  • Experience building highly scalable and high-performance cloud applications

What is in it for you:
  • Join one of the world's fastest-growing AI-first digital engineering companies and make a real impact at scale.
  • Lead and collaborate with a high-energy team of talented, driven individuals solving complex, meaningful challenges.
  • Work with Fortune 500 companies and disruptive innovators in a research-driven environment with 60+ patents.
  • Stay ahead of the curve by gaining hands-on experience with cutting-edge AI, ML, data, and cloud technologies while continuously upskilling.


If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!

About Quantiphi

Quantiphi is an artificial intelligence and machine learning services company that helps businesses transform their operations through the use of AI. The company provides a range of services, including data engineering, machine learning, computer vision, natural language processing, and predictive analytics. Quantiphi was founded in 2013 and is headquartered in King of Prussia, Pennsylvania.
Learn more about Quantiphi
Size
500 employees
Industry
Founded
2013

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