Application Engineer

Posted 9 Days Ago
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Noida, Gautam Buddha Nagar, Uttar Pradesh, IND
Hybrid
Expert/Leader
Information Technology • Database • Consulting
The Role
Develop scalable Python backend applications, REST APIs, microservices, event-driven services, and AWS cloud solutions. Build integrations with enterprise systems and AI platforms, including LLM-powered applications, RAG architectures, vector search, and agentic workflows. Responsibilities include asynchronous processing, testing, code reviews, CI/CD, performance tuning, troubleshooting, monitoring, and collaboration with architecture, QA, and DevOps teams.
Summary Generated by Built In

JOB DESCRIPTION

Python Developer — AWS Cloud

 

 

Role: Python Developer with AWS Cloud Experience

Experience: 8–10 years

 

We are looking for an experienced Python Developer who can build scalable backend services, APIs, and cloud-based applications on AWS. The ideal candidate should have strong Python programming skills, hands-on experience with web frameworks, and working knowledge of AWS services used in modern application development.

  KEY RESPONSIBILITIES

•  Develop, test, and maintain Python-based applications and backend services.

•  Build and integrate REST APIs using frameworks such as FastAPI, Flask, or Django REST Framework.

•  Work with AWS services such as Lambda, ECS, ECR, S3, EventBridge, CloudWatch, and Secrets Manager.

•  Write clean, reusable, and well-tested code following coding standards and review practices.

•  Support performance tuning, troubleshooting, logging, and monitoring of production applications.

•  Collaborate with architects, developers, QA, and DevOps teams to deliver reliable cloud solutions.

  REQUIRED SKILLS

  • Strong hands-on experience in Python programming.
  • Good understanding of object-oriented programming and basic design principles.
  • Experience with API development using FastAPI, Flask, or Django REST Framework.
  • Working knowledge of asynchronous programming, threading, or multiprocessing.
  • Experience with AWS cloud services, especially Lambda, ECS, S3, CloudWatch, EventBridge, and Secrets Manager.
  • Familiarity with Pandas and NumPy is preferred for data processing use cases.
  • Knowledge of code quality tools such as pylint, mypy, pytest, and Git/Bitbucket.
  • Develop scalable backend applications and microservices using Python.
  • Build RESTful APIs and event-driven services for AI platforms.
  • Develop integrations with CRM, CCaaS, IVR, Knowledge Management, and enterprise systems.
  • Implement asynchronous processing, workflow orchestration, and automation services.
  • Ensure high-quality code through unit testing, code reviews, and CI/CD practices.

  Generative AI & Agentic AI

  • Design and implement LLM-powered solutions using OpenAI, Azure OpenAI, Anthropic Claude, Gemini, or similar models.
  • Develop RAG (Retrieval Augmented Generation) architecture and enterprise knowledge assistants.
  • Integrate vector databases and semantic search capabilities.
  • Build AI agents capable of tool usage, workflow execution, and decision-making.
  • Optimize prompts, grounding strategies, and response quality.

 

  NICE TO HAVE

•  Exposure to Amazon Bedrock, Amazon Lex, or GenAI-based application development.

•  Experience with API gateways such as Apigee.

•  Experience working with containerized applications using ECS and ECR.

  HR SCREENING CHECKLIST

•  8–10 years of overall software development experience.

•  Strong Python backend development experience.

•  Hands-on experience with at least one Python web framework such as FastAPI, Flask, or Django REST Framework.

•  Practical AWS experience, preferably with Lambda, ECS, S3, CloudWatch, and Secrets Manager.

•  Good communication skills and ability to work with cross-functional teams.

Responsibilities

JOB DESCRIPTION

Python Developer — AWS Cloud

 

 

Role: Python Developer with AWS Cloud Experience

Experience: 8–10 years

 

ROLE SUMMARY

 

We are looking for an experienced Python Developer who can build scalable backend services, APIs, and cloud-based applications on AWS. The ideal candidate should have strong Python programming skills, hands-on experience with web frameworks, and working knowledge of AWS services used in modern application development.

  KEY RESPONSIBILITIES

•  Develop, test, and maintain Python-based applications and backend services.

•  Build and integrate REST APIs using frameworks such as FastAPI, Flask, or Django REST Framework.

•  Work with AWS services such as Lambda, ECS, ECR, S3, EventBridge, CloudWatch, and Secrets Manager.

•  Write clean, reusable, and well-tested code following coding standards and review practices.

•  Support performance tuning, troubleshooting, logging, and monitoring of production applications.

•  Collaborate with architects, developers, QA, and DevOps teams to deliver reliable cloud solutions.

  REQUIRED SKILLS

  • Strong hands-on experience in Python programming.
  • Good understanding of object-oriented programming and basic design principles.
  • Experience with API development using FastAPI, Flask, or Django REST Framework.
  • Working knowledge of asynchronous programming, threading, or multiprocessing.
  • Experience with AWS cloud services, especially Lambda, ECS, S3, CloudWatch, EventBridge, and Secrets Manager.
  • Familiarity with Pandas and NumPy is preferred for data processing use cases.
  • Knowledge of code quality tools such as pylint, mypy, pytest, and Git/Bitbucket.
  • Develop scalable backend applications and microservices using Python.
  • Build RESTful APIs and event-driven services for AI platforms.
  • Develop integrations with CRM, CCaaS, IVR, Knowledge Management, and enterprise systems.
  • Implement asynchronous processing, workflow orchestration, and automation services.
  • Ensure high-quality code through unit testing, code reviews, and CI/CD practices.

  Generative AI & Agentic AI

  • Design and implement LLM-powered solutions using OpenAI, Azure OpenAI, Anthropic Claude, Gemini, or similar models.
  • Develop RAG (Retrieval Augmented Generation) architecture and enterprise knowledge assistants.
  • Integrate vector databases and semantic search capabilities.
  • Build AI agents capable of tool usage, workflow execution, and decision-making.
  • Optimize prompts, grounding strategies, and response quality.

 

  NICE TO HAVE

•  Exposure to Amazon Bedrock, Amazon Lex, or GenAI-based application development.

•  Experience with API gateways such as Apigee.

•  Experience working with containerized applications using ECS and ECR.

  HR SCREENING CHECKLIST

•  8–10 years of overall software development experience.

•  Strong Python backend development experience.

•  Hands-on experience with at least one Python web framework such as FastAPI, Flask, or Django REST Framework.

•  Practical AWS experience, preferably with Lambda, ECS, S3, CloudWatch, and Secrets Manager.

•  Good communication skills and ability to work with cross-functional teams.

Qualifications

Bachelor's/Master's in Engineering 2-5 years

Skills Required

  • 8-10 years of overall software development experience
  • Strong hands-on Python backend development experience
  • Experience with API development using FastAPI, Flask, or Django REST Framework
  • Practical AWS experience with Lambda, ECS, S3, CloudWatch, and Secrets Manager
  • Knowledge of object-oriented programming and basic design principles
  • Working knowledge of asynchronous programming, threading, or multiprocessing
  • Knowledge of unit testing, code reviews, coding standards, and CI/CD practices
  • Good communication skills and ability to work with cross-functional teams
  • Bachelor's or Master's degree in Engineering
  • Familiarity with Pandas and NumPy
  • Exposure to Amazon Bedrock, Amazon Lex, or generative AI application development
  • Experience with API gateways such as Apigee
  • Experience with containerized applications using ECS and ECR

EXL Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about EXL and has not been reviewed or approved by EXL.

  • Healthcare Strength — Medical plan options include HSA, HRA, and PPO choices, with additional health-related programs such as disability coverage and an employee assistance program. Feedback suggests these options provide meaningful flexibility and coverage breadth for many roles.
  • Leave & Time Off Breadth — Up to 20 days of paid time off, plus federal holidays and paid sick and safe time, are highlighted. Feedback suggests this leave structure is a notable benefit alongside core compensation.
  • Retirement Support — A traditional and Roth 401(k) with up to a 3% company match and full vesting after one year is described. Feedback suggests this match and vesting timeline help bolster long-term savings.

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The Company
HQ: New York, NY
30,246 Employees
Year Founded: 1999

What We Do

Choosing a digital partner is about more than capabilities — it’s about collaboration and character. Unrealistic overhauls and off-the-shelf products ignore what matters most — your unique needs, culture, goals, and your legacy data and technology environments. At EXL, our collaboration is built on ongoing listening and learning to adapt our methodologies. We’re your business evolution partner—tailoring solutions that make the most of data to make better business decisions and drive more intelligence into your increasingly digital operations. Whether your goals are scaling the use of AI and digital, redesign operating models, or driving better and faster decisions, we’re here to partner with you to help you gain—and maintain—competitive advantage with efficient, sustainable models at scale. Our expertise in transformation, data science, and change management helps make your business more efficient and effective, improve customer relationships and enhance revenue growth. Instead of focusing on multi-year, resource- and time-intensive platform designs or migrations, we look deeper at your entire value chain to integrate strategies with impact. We use our specialization in analytics, digital interventions, and operations management—alongside deep industry expertise — to deliver solutions that help you outperform the competition. At EXL, it’s all about outcomes—your outcomes—and delivering success on your terms. Share your goals with us and together, we’ll optimize how you leverage data to drive your business forward. For more information, visit www.exlservice.com.

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