Python Developer

Python Developer with AWS

Reston VA 3 days onsite in a week

Need to go for F2F interview

Description:

Position Summary

The Senior Python Developer will design develop test and implement cloud native applications data pipelines and backend services within AWS. The role requires strong Python engineering skills AWS service expertise foundational data engineering capabilities and a disciplined approach to software quality and automation. The ideal candidate will be able to work collaboratively across teams follow established engineering practices and deliver secure scalable and maintainable solutions.

Required Technical Qualifications

Python Development

Strong proficiency in Python for backend service development

Experience with relevant Python libraries such as Pandas Boto3 and data processing packages

Proficiency with automated testing using PyTest including fixtures mocking and parameterization

Understanding of clean code principles error handling type hints and maintainable design

API Engineering

Hands-on experience building RESTful APIs using Flask Django or FastAPI

Knowledge of authentication and authorization mechanisms (JWT OAuth2)

Experience implementing API versioning request validation and structured error handling

Understanding of performance considerations such as throughput latency and caching

AWS Cloud Services

Practical experience with key AWS services including:

Lambda S3 Step Functions Glue EC2 ECS/Fargate RDS Redshift CloudWatch

Ability to design event driven serverless and containerized architectures

Familiarity with distributed systems patterns such as retries dead letter queues and idempotent operations

Experience monitoring applications via CloudWatch metrics logs and alarms

Infrastructure DevOps & Tooling

Hands-on experience with GitLab for version control and CI/CD pipeline development

Experience using Terraform (or similar) for infrastructure as code

Proficiency with Docker for containerized application development

Ability to use shell scripting and AWS CLI for operational automation

Familiarity with Agile development workflows (Jira Confluence)

AI Assisted Development Tools (Required Competency)

To support modern engineering productivity and code quality standards candidates must:

Demonstrate familiarity with GitHub Copilot or comparable AI assisted development tools

Use AI tools responsibly to:

o Accelerate development while maintaining code correctness

o Generate and refine unit tests and integration test scaffolding

o Improve readability documentation and boilerplate reduction

o Assist with refactoring code reviews and exploratory coding

Understand organizational expectations around responsible AI usage including validation security and compliance

This is a mandatory requirement not a bonus skill.

Data Engineering Skills (Required)

Candidates are expected to have practical exposure to foundational data engineering concepts including:

Experience building or maintaining data pipelines using AWS Glue PySpark or Lambda based ETL flows

Working knowledge of SQL and relational databases (e.g. Postgres Aurora or MySQL)

Ability to optimize SQL queries (joins aggregations window functions)

Understanding of data modeling data validation and schema evolution

Familiarity with Redshift ingestion patterns (e.g. COPY operations) and performance optimization

Experience working with data stored in S3 including partitioning data lifecycle considerations and file formats (Parquet/JSON)

Front-End Exposure (Preferred Not Required)

Basic familiarity with Angular particularly for integrating backend APIs

Ability to read and modify UI components when needed

Soft Skills & Engineering Mindset

Ability to communicate effectively with technical and non technical stakeholders

Strong analytical and problem solving capability

Demonstrated ability to navigate understand and improve existing codebases

Understanding of design patterns and architectural principles

Focus on reliability scalability automation and long term maintainability

Ability to collaborate in Agile teams and provide high quality documentation

Enable Skills-Based Hiring No

Qualification Assessment

Must Have

FNMACompany Default Category

5-7 years software development experience

5 years

Bachelor degree in Computer Science Information Systems or related field

Yes

Post-graduate degree desired

Yes

Professional certification(s) desired

Yes