Senior Fastapi Developer Jobs in Claymont, DE (NOW HIRING)

Summary

We're looking for a mid-level Software Engineer who enjoys building the connective tissue between systems, APIs, cloud services, data pipelines, and customer-facing experiences. This role sits at the intersection of IT and Marketing, supporting platforms like Adobe Campaign, ERG, and CRM, and loyalty systems while helping shape our modern cloud architecture on AWS. If you're the type of engineer who likes designing clean APIs and integrations, tightening CI/CD pipelines, optimizing SQL queries, and occasionally sprinkling some React magic on the front end, you'll fit right in.

Primary Responsibilities

• Provides leadership and mentoring to Software Engineers, supporting a work environment that strives for production excellence and product improvement.
• Evaluates programming project requests, determining feasibility by applying knowledge of systems and identifying opportunities to enhance current capabilities.
• Provides leadership in the planning, development, documentation, testing, and deployment of applications that are identified as opportunities to enhance current capabilities.
• Interviews business stakeholders to define current operating procedures and clarify program objectives.
• Employs structured analysis and design to build application specification documentation that includes flowcharts and diagrams to describe logical operations involved.
• Provides knowledge and insight of the application and business of their respective area to other application and infrastructure teams.
• Provides 24/7 production support.
• Own integrations between internal systems and external Martech and other I.T. integrated platforms (Adobe Campaign, ERG and CRM systems, 3rd party SaaS providers).
• Migrates legacy middleware workflows into modern, secure AWS-based architectures.
• Builds and maintains cloud resources using AWS (EC2, S3, Lambda, RDS, VPC, IAM, CloudFormation/CDK).
• Implements CI/CD pipelines with GitHub Actions (build, test, deploy).
• Contributes to front-end features using JavaScript frameworks (React).

Additional Responsibilities

• Performs modifications to code to correct errors.
• Analyzes programs to increase operating efficiency or adapt to new requirements.
• Creates and maintains documentation describing program development, logic, coding, and modifications to correct errors.
• Performs business analysis and participates in the facilitation of training.

Qualifications

• Bachelor's Degree BA/BS in Computer Science or equivalent experience required
• At least 4-6 years of professional software engineering experience required
• Capability to work independently; a self-starter who performs initiatives that provide solutions for business requirements with a logical approach to problem resolution.
• Technical skills and experience to participate in the development and maintenance of business applications.
• Strong project management and leadership skills to guide efforts of junior programmers.
• Outstanding organizational, communication, and presentation skills.
• Adaptable to ongoing changes in technology.
• At least mid-level skills in the following technologies: 
  • Scripting Languages: Bash, Powershell. 
  • Strong understanding of SQL (PostgreSQL, MySQL, SQL Server) and NoSQL (MongoDB, DynamoDB, Redis). 
  • Familiarity with customer data platforms, ETL/ELT pipelines, or event-driven architectures. 
  • Hands-on experience with AWS cloud services (C2, S3, Lambda, RDS, VPC, IAM, CloudFormation/CDK). 
  • Strong experience building APIs with modern languages (REST APIs, Java and Spring Frameworks).
  • Graph QL, SOAP/XML, Webhooks, and Authentication Protocols (OAuth2, JWT, API keys, Basic Auth, SAML). 
  • Knowledge of Data Formats (JSON, XML, CSV and Flat files). 
  • Understanding of tools such as Postman, Swagger / OpenAPI, Python + Flask / FastAPI / Django REST. 
  • Understanding of Messaging Queues (Kafka, RabbitMQ, SQS). 
  • Middleware tools (Mulesoft, Apigee, Zapier, n8n, Workato).
• AWS Certified Developer Preferred Or
• AWS Certified DevOps Engineer Preferred

Compensation: The recruiting base salary range for this full-time position is $110,400 - $125,000 per year, depending on skills, experience, and qualifications.

Subaru offers a comprehensive benefits package including:
Medical, Dental, and Vision coverage
Pension, Profit Sharing, and 401(k) match
Paid time off, company holidays, floating holidays, and sick time
Tuition Reimbursement Program
Vehicle Discount Programs
Visit our Careers site to learn more about Subaru's total rewards and benefits.

About Subaru
LOVE. It's what makes Subaru, Subaru. As a leading auto brand in the U.S., we strive to be More Than a Car Company. Subaru believes in being a positive force in the communities in which we live and work-not just with donations, but through actions that set an example for others to follow. That's what we call our Subaru Love Promise.
Subaru is a globally renowned automobile manufacturer known for its commitment to innovation, safety, and sustainability. With a rich history dating back to 1953, Subaru continues to push the boundaries of automotive engineering to deliver vehicles that blend performance, utility, and adventure.
Our culture is built on collaboration, diversity, and a shared passion for our product. We foster an inclusive environment where team members are encouraged to bring their unique perspectives and expertise together to create exceptional experiences for our customers.