Fastapi Developer Jobs in Saint Peters, MO (NOW HIRING)

At U.S. Bank, we're on a journey to do our best. Helping the customers and businesses we serve to make better and smarter financial decisions and enabling the communities we support to grow and succeed. We believe it takes all of us to bring our shared ambition to life, and each person is unique in their potential. A career with U.S. Bank gives you a wide, ever-growing range of opportunities to discover what makes you thrive at every stage of your career. Try new things, learn new skills and discover what you excel at-all from Day One.

This position will be responsible for the analysis, design, testing, development and maintenance of best in class software experiences. The candidate is a self-motivated individual who can collaborate with a team and across the organization. The candidate takes responsibility of the software artifacts produced adhering to U.S. Bank standards in order to ensure minimal impact to the customer experience. The candidate will be adept with the agile software development lifecycle and DevOps principles.
Essential Responsibilities:
- Responsible for designing, developing, testing, operating and maintaining products
- Takes full stack ownership by consistently writing production-ready and testable code
- Consistently creates optimal design adhering to architectural best practices; considers scalability, reliability and performance of systems/contexts affected when defining technical designs
- Performs analysis on failures, propose design changes, and encourage operational improvements
- Makes sound design/coding decisions keeping customer experience in the forefront
- Takes feedback from code review and apply changes to meet standards
- Conducts code reviews to provide guidance on engineering best practices and compliance with development procedures
- Accountable for ensuring all aspects of product development follow compliance and security best practices
- Exhibits relentless focus in software reliability engineering standards embedded into development standards
- Embraces emerging technology opportunities and contributes to the best practices in support of the bank's technology transformation
- Contributes to a culture of innovation, collaboration and continuous improvement
- Reviews tasks critically and ensures they are appropriately prioritized and sized for incremental delivery; anticipates and communicates blockers and delays before they require escalation

Basic Qualifications
- Bachelor's degree, or equivalent work experience
- Three to five years of relevant experience

*This role is not eligible for visa sponsorship or transfer of visa sponsorship*

Skills/ Qualifications

• Developed and deployed AI/GenAI-powered applications utilizing Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), embedding models, and prompt engineering techniques.

• Designed and implemented intelligent AI workflows using agentic frameworks including LangChain, LangGraph, Semantic Kernel, and related orchestration technologies.

• Integrated Azure OpenAI, Azure AI Services, AWS Bedrock, and other LLM platforms into enterprise-scale applications and business processes.

• Built and consumed REST APIs, GraphQL services, and microservices architectures using Java, Python, Spring Boot, FastAPI, and Node.js.

• Integrated AI capabilities with enterprise systems, data platforms, APIs, business workflows, and cloud-native architectures.

• Leveraged vector databases, SQL Server, PostgreSQL, MongoDB, and related data technologies to support AI-driven solutions and scalable applications.

• Implemented containerization and orchestration solutions using Docker, Kubernetes, CI/CD pipelines, GitHub, and DevOps tooling.

• Applied expertise in distributed systems, scalability, observability, performance tuning, and high-availability cloud environments across Azure and AWS.

• Utilized GitHub Copilot and other AI-assisted development tools to accelerate software delivery, code quality, and engineering productivity.

• Demonstrated strong analytical, problem-solving, and communication skills while collaborating with product, architecture, security, and business teams; championed responsible AI, AI governance, model evaluation, and continuous adoption of emerging AI technologies.

Location expectations
This role requires working from a U.S. Bank location three (3) or more days per week.

Listed locations: Earth City, MO; Denver, CO; Hopkins, MN; Cincinnati, OH; Irving, TX; Brookfield, WI.

If there's anything we can do to accommodate a disability during any portion of the application or hiring process, please refer to ourdisability accommodations for applicants.

Benefits:

Our approach to benefits and total rewards considers our team members' whole selves and what may be needed to thrive in and outside work. That's why our benefits are designed to help you and your family boost your health, protect your financial security and give you peace of mind. Our benefits include the following:

• Healthcare (medical, dental, vision)

• Basic term and optional term life insurance

• Short-term and long-term disability

• Pregnancy disability and parental leave

• 401(k) and employer-funded retirement plan

• Paid vacation (from two to five weeks depending on salary grade and tenure)

• Up to 11 paid holiday opportunities

• Adoption assistance

• Sick and Safe Leave accruals of one hour for every 30 worked, up to 80 hours per calendar year unless otherwise provided by law

Review our full benefits available by employment status here.

U.S. Bank is an equal opportunity employer. We consider all qualified applicants without regard to race, religion, color, sex, national origin, age, sexual orientation, gender identity, disability or veteran status, and other factors protected under applicable law.

E-Verify

U.S. Bank participates in the U.S. Department of Homeland Security E-Verify program in all facilities located in the United States and certain U.S. territories. The E-Verify program is an Internet-based employment eligibility verification system operated by the U.S. Citizenship and Immigration Services. Learn more about theE-Verify program.

U.S. Bank will consider qualified applicants with arrest or conviction records for employment. U.S. Bank conducts background checks consistent with applicable local laws, including the Los Angeles County Fair Chance Ordinance and the California Fair Chance Act as well as the San Francisco Fair Chance Ordinance. U.S. Bank is subject to, and conducts background checks consistent with the requirements of Section 19 of the Federal Deposit Insurance Act (FDIA). In addition, certain positions may also be subject to the requirements of FINRA, NMLS registration, Reg Z, Reg G, OFAC, the NFA, the FCPA, the Bank Secrecy Act, the SAFE Act, and/or federal guidelines applicable to an agreement, such as those related to ethics, safety, or operational procedures.

Applicants must be able to comply with U.S. Bank policies and procedures including the Code of Ethics and Business Conduct and related workplace conduct and safety policies.

Posting may be closed earlier due to high volume of applicants.