Jobs in the United States

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Added 29 mins ago
T
Engineer Signal Image Processing 2
TEKsystems
Cincinnati, OH
- $40 to $50 USD / hour
…across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive…
Added 3 hours ago
Software Engineer II, Fullstack
PathAI
Boston, MA
…for the job. At PathAI, we are constantly evaluating our tech stack and our current tools consist…
Added 4 hours ago
[US] Electronic Engineer
EdgeCortix
Remote, United States
We are seeking a highly skilled Senior Electronic Engineer to lead the design, development, and validation of our next-generation, high-speed PCIe-based hardware products. In this role, you…
Added 5 hours ago
O
Lead Principal Software Engineer, Core Infrastructure
Oracle
Nashville, TN
- $146,300 to $306,400 USD / year
…solver, a distributed systems generalist and/or skilled Linux engineer with Systems triage experience able to dive deep into any part of the stack and low-level systems to design broad…
Added 6 hours ago
CB
Senior Data Engineer
Commercial Bank of California
United States
- $135,000 to $170,000 USD / year
Job Type: Full-Time | Exempt | Hybrid/Remote Eligible
Added 7 hours ago
AI Security Engineer - Mid
Koniag Government Services
Washington, DC
The AI Security Engineer (Mid) will serve as a key technical contributor within the program's AI security engineering function, working under the direction of the AI Security Engineer Lead…
Added 7 hours ago
Senior .Net Full-Stack Developer
Koniag Government Services
Washington, DC
Kadiak, LLC is seeking a Senior .Net Full-Stack Developer with a Top-Secret Clearance in Washington, DC to design, development, testing, and management of application development projects…
Added 7 hours ago
Senior Full-Stack Software Engineer
Koniag Government Services
Washington, DC
Kadiak, LLC, a Koniag Government Services company, is seeking a Senior Full-Stack Software Engineer with a Top-Secret security clearance to support Kadiak and our government customer in…
Added 7 hours ago
Sr. Web & Mobile Developer & DevOps (REMOTE)
Koniag Government Services
Albuquerque, NM
…delivery and modern cloud automation. We are looking for a veteran full-stack developer who can build seamless web and mobile-responsive experiences, while simultaneously managing the…
Added 7 hours ago
Senior Microsoft Infrastructure Administrator (REMOTE)
Koniag Government Services
Washington, DC
This role requires deep, hands-on expertise across the full Microsoft enterprise stack, the ability to independently resolve complex, cross-domain Microsoft infrastructure problems, and the…
Added 7 hours ago
Migration Engineer (REMOTE)
Koniag Government Services
Chantilly, VA
Koniag IT Systems, a Koniag Government Services company, is seeking an experienced Migration Engineer to support a critical Government Identity, Credential, and Access Management (ICAM)…
Added 7 hours ago
Sr Engineering Manager - Core Platform Services
Target Enterprise Inc
Minneapolis, MN
The Sr. Engineering Manager (SEM) is responsible for a managing a team of full stack engineers that is building highly innovative and cutting edge robotics solutions. This role is…
Added 7 hours ago
GTM Engineer
Sendbird
San Mateo, CA
We're looking for a GTM Engineer to help realize Sendbird's vision of connecting businesses and individuals and empowering them to achieve more than ever before. As the Sales Operations…
Added 7 hours ago
Software Engineer I
American Express
Sunrise, FL
We are looking for a motivated and hands-on Full Stack Software Engineer with strong Python programming fundamentals, experience working with Relational and NoSQL databases, and practical…
Added 7 hours ago
Staff Kernel Optimzation Engineer
Cerebras Systems
Sunnyvale, CA
As a Kernel Engineer on our team, you will develop high-performance software solutions at the intersection of hardware and software, developing high-performance software for cutting-edge AI…
Added 7 hours ago
Full-stack Engineer 4
Capital One
Plano, TX
…the entire lifecycle of their auto loan. Leveraging a modern full-stack ecosystem, you will engineer critical infrastructure-from reimagining core payment and ledger systems to developing…
Added 7 hours ago
Data Engineer 5
Capital One
McLean, VA · Richmond, VA · NY · Wilmington, DE
Collaborate with and across Agile teams to design, develop, test, implement, and support technical solutions in full-stack development tools and technologies
Added 7 hours ago
AI Engineer 4 (AI Safety and Multimodal)
Capital One
San Jose, CA · McLean, VA · Cambridge, MA · NY
Leverage a broad stack of Open Source and SaaS AI technologies such as AWS Ultraclusters, Huggingface, VectorDBs, PyTorch, and more.
Added 7 hours ago
AI & Distributed Systems Fullstack Engineer - Senior - Consulting - Location OPEN
EY
Saint Louis, MO
…most have deep expertise in specific areas of the technology stack (front end, back end, data, security etc.), all are comfortable swimming across lanes. This is really important in…
Added 7 hours ago
AI & Distributed Systems Fullstack Engineer - Senior - Consulting - Location OPEN
EY
Kansas City, MO
…most have deep expertise in specific areas of the technology stack (front end, back end, data, security etc.), all are comfortable swimming across lanes. This is really important in…
Added 7 hours ago
AI & Distributed Systems Fullstack Engineer - Senior - Consulting - Location OPEN
EY
Jefferson City, MO
…most have deep expertise in specific areas of the technology stack (front end, back end, data, security etc.), all are comfortable swimming across lanes. This is really important in…
Added 8 hours ago
C
Product Engineer, Foundations Team
Coast
NY
- $160,000 to $215,000 USD / year
…job will get visibility not just across engineering, but the full business, including our risk and underwriting team as well as finance, product, and design. We’ve embraced AI as an…
Added 8 hours ago
AI Portfolio Solution Architect (Sr Stf)
Lockheed Martin
Virtual Three, TX
…and agentic capabilities. You will define architecture, guide full-stack delivery, establish reusable engineering patterns, and ensure solutions are measurable, trustworthy, compliant with…
Added 8 hours ago
Growth Engineer
Krea
San Francisco, CA
- 3+ years of full-stack engineering experience, ideally including time on a growth, monetization, or activation team at a fast-growing consumer or prosumer product
Added 8 hours ago
Senior Software Quality Engineer 1-2
Modernizing Medicine, Inc.
Boca Raton, FL
Full stack QA experience (UI, API, operations/CI/CD pipelines) is a plus.

American Express

Software Engineer I

Sunrise, FL, United States

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Job details

Apply by: Nov 13, 2026
Experience: 1-3 years of enterprise experience in software development using Python.
Posting language: English
Posted: Nov 5, 2026

Original job description

Joining Amex Tech means discovering and shaping your contribution to something big. Here, you can work alongside talented tech teams and build a unique career with the Powerful Backing of American Express. With a range of opportunities to work with the latest technologies, and a commitment to back the broader engineering community through open source, our mission is to power your success. Because Amex Tech is powered by our technology, our culture, and our colleagues. We are looking for a motivated and hands-on Full Stack Software Engineer with strong Python programming fundamentals, experience working with Relational and NoSQL databases, and practical exposure to Generative AI (GenAI) and Agentic AI development. The ideal candidate will be passionate about building scalable applications, integrating Large Language Models (LLMs), implementing Retrieval-Augmented Generation (RAG) solutions, and developing AI-powered workflows using frontier and open-source models. This role offers an opportunity to work on both modern AI technologies and contributing to enterprise-grade software applications.

Key Responsibilities

Python & Backend Development

Design, develop, test, and maintain Python-based applications and backend services.
Build and integrate RESTful APIs using frameworks such as FastAPI or Flask.
Write clean, modular, reusable, and maintainable code.
Implement unit tests, debugging, logging, and error handling.
Collaborate with cross-functional teams to deliver reliable software solutions.

Database Development

Work with relational databases such as PostgreSQL, Oracle
Develop SQL queries, manage schemas, and perform basic query optimization.
Work with NoSQL databases such as Couchbase, Cassandra, MongoDB, DynamoDB
Implement data ingestion, retrieval, and integration workflows.

Generative AI & Vector Databases

Develop GenAI-powered applications using Large Language Models.
Build and integrate Retrieval-Augmented Generation (RAG) pipelines.
Work with vector databases.
Implement document ingestion, chunking, embeddings, semantic search, and retrieval workflows.
Integrate LLM APIs and develop effective prompt engineering strategies.

Agentic AI Development

Develop AI agents capable of executing tasks, invoking tools, and interacting with external systems.
Build agentic workflows using frameworks such as LangChain, LangGraph, or similar technologies.
Integrate frontier LLMs & open-source/open-weight LLMs.
Implement basic agent orchestration, tool calling, state management, and workflow automation.
Evaluate agent performance, reliability, and response quality.

Software Engineering & Collaboration

Use Git for version control and collaborate through code reviews.
Participate in Agile development processes.
Write technical documentation and support application troubleshooting.
Follow secure coding practices and data privacy requirements.
Contribute to continuous improvement of AI-enabled applications.

Required Qualifications

Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related discipline, or equivalent practical experience.
1-3 years of enterprise experience in software development using Python.
Strong understanding of Python programming, object-oriented programming, data structures, and APIs.
Hands-on experience with at least one Relational database and one NoSQL database.
Working knowledge of SQL, database design, and data retrieval.
Practical experience integrating LLMs into Python applications.
Understanding of embeddings, vector databases, semantic search, and RAG architectures.
Familiarity with frontier and open-source LLMs.
Basic understanding of agentic AI concepts, tool calling, and AI workflow orchestration.
Experience using Git and common development tools.
Knowledge of Docker, CI/CD pipelines, and deployment practices.
Strong problem-solving, debugging, and communication skills.

Preferred Qualifications

Experience with LangChain, LangGraph or similar frameworks.
Familiarity with model-serving tools such as Ollama, vLLM.
Experience with cloud platforms such as AWS, Azure, or Google Cloud.
Familiarity with LLM evaluation, observability, prompt optimization, and guardrails.
Understanding of MCP (Model Context Protocol) and AI tool integration.
Exposure to enterprise security, authentication, and access control.

Employment eligibility to work with American Express in the United States is required as the company will not pursue visa sponsorship for these positions.

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