Jobs in the United States

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Staff Software Engineer - Card Technology
Capital One
McLean, VA
As a Staff Engineer at Capital One, you will be part of a community of technical experts working to define the future of banking in the cloud. You will work alongside our talented team of…
Added 1 min ago
Forward Deployed Engineer, AWS Forward Deployed Engineering, US Government
Amazon
Arlington, VA
…agentic workflows - retrieval pipelines, workflow automation, API orchestration layers, data integration. Solve difficult problems with visible risks or roadblocks, bringing clarity and…
Added 1 min ago
Lead Software Engineer - NBA
Humana
Richmond, VA
The Lead Full Stack Engineer owns the NBA platform's orchestration and state machine - the system that carries a decision from the moment it is made to the moment it is activated,…
Added 1 min ago
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Frontier Engineer (AI/Agentic)
Cognizant
Richmond, VA
- $100,000 USD / year
As a Frontier Engineer (AI/Agentic), you will make an impact by helping build scalable, cost-optimized, and secure AI-enabled solutions that reimagine business processes and deliver…
Added 1 min ago
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SDET / QA Automation Engineer – Playwright, Selenium, Java & Functional Testing
Cognizant
Richmond, VA
- $53,000 to $92,500 USD / year
We are seeking a highly skilled SDET / QA Automation Engineer – Playwright, Selenium, Java & Functional Testing to join our Quality Engineering team supporting enterprise healthcare…
Added 1 min ago
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Senior Quality Engineering Automation Engineer
Cognizant
Richmond, VA
- $53,477 to $92,500 USD / year
As a Senior Quality Engineering Automation Engineer, you will make an impact by designing and maintaining scalable automated testing solutions for web-based applications. You will be a…
Added 1 min ago
Sr. API Gateway Engineer
Arena Technical Resources, LLC
Springfield, VA
Senior API Management Engineer on our team, you will play a pivotal role
Added 3 mins ago
Software Engineer
WWEX Group
Dallas, TX
…platform serving customers and internal users. The Software Engineer (Java) is responsible for building and maintaining Java microservices and event-driven backend applications that support…
Added 4 mins ago
SQM Infrastructure Product Development AI Engineer
The Northern Trust Company
Chicago, IL
The engineer will work across the full product lifecycle, from architecture and prototyping through API development, deployment, evaluation, monitoring, and production support.
Added 5 mins ago
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Software Engineer
UnitedHealth Group
Eden Prairie, MN
- $72,800 to $130,000 USD / year
The Software Engineer – AI & Security Technology is responsible for designing, developing, implementing, and supporting technology solutions that enable and enhance Physical Corporate…
Added 15 mins ago
Principal Programmer Analyst
NextEra Energy
Palm Beach Gardens, FL
NextEra Energy Resources is seeking a Principal IIoT Platform Engineer to provide technical leadership for the Industrial IoT infrastructure supporting one of the industry's largest…
Added 15 mins ago
Software Engineer - Global Investment Research - Vice President
Campus
NY · Dallas, TX
Cloud & Data Integration: Deploy and connect AI components with enterprise services on AWS, configuring Lambda, ECS/Fargate, EventBridge, S3, IAM policies, and API Gateway endpoints.
Added 30 mins ago
Senior SCADA/HMI Platform Engineer
Insight Global
Durham, NC
Support FATs, SATs, commissioning, and startup activities
Added 32 mins ago
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Senior Power Platform Engineer
Randstad USA
Bridgewater, NJ
- $60 to $75 USD / hour
Our enterprise client has a contract hybrid opportunity for a Senior Power Platform Engineer to support, administer, secure, govern and enhance enterprise Power Apps, Power Automate, Power…
Added 34 mins ago
Senior Storage Engineer
Verisign
Reston, VA
Support VMware vSphere/ESXi infrastructure and its integration with enterprise storage and networking
Added 35 mins ago
Staff Software Engineer
Intuit
Mountain View, CA · New York, NY
Experience designing agentic systems: multi-step agent workflows, tool and API integration (MCP or similar), orchestration, and guardrails.
Added 41 mins ago
SalesOps Engineer
Air
Arlington, VA
This is a hands-on, systems-first role for a scrappy, self-starting engineer who owns the GTM operations tech stack end-to-end. You are equal parts architect and builder - as comfortable…
Added 41 mins ago
RevOps Engineer
Air
Arlington, VA
This is a hands-on, systems-first role for a scrappy, self-starting engineer who owns the GTM operations tech stack end-to-end. You are equal parts architect and builder - as comfortable…
Added 42 mins ago
Staff SW Systems Engineer
Extreme Networks, Inc.
Remote, United States
…networking solutions. They rely on our top-rated services and support to accelerate their digital transformation efforts and deliver unprecedented progress. With double-digit growth year…
Added 49 mins ago
Cloud Platform and Data Engineer [U.S. Citizenship Required, Public Trust Eligibility]
Via Logic LLC
Remote, United States
Welcome to Via Logic, where innovation meets collaboration. We are seeking a Cloud Platform and Data Engineer with 3–5 years of relevant professional experience to support our federal…
Added 52 mins ago
Software Development Engineer - Operational Analytics
CVS Health
Hartford, CT
…frontend interfaces and backend services, ensuring seamless integration across systems. Collaborates with cross-functional teams to deliver scalable solutions. Develops responsive…
Added 58 mins ago
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Senior Field Application Engineer
Boston Dynamics, Inc.
United States
- $101,545.95 to $126,932.44 USD / year
As a Field Application Engineer, you will play a pivotal role in delivering Boston Dynamics robotic solutions to our customers, ensuring their seamless integration and operational success.…
Added 1 hour ago
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Java Engineer
Unissant
Washington, DC
- $99,000 to $164,000 USD / year
Unissant is seeking a Java Engineer to join our team and support our client.
Added 1 hour ago
CS
Cisco Catalyst NMS Engineer – Network Automation (w/ active Secret)
Critical Solutions
Norfolk, VA
- $87,000 to $112,000 USD / year
The Network Management System (NMS) Engineer is responsible for designing, deploying, and optimizing enterprise network management and orchestration platforms, focusing primarily on the…
Added 1 hour ago
Senior Software Engineer
Walmart
BENTONVILLE, AR
…teams. Manages implementation, iteration, testing, and ongoing support for assigned services, APIs, user interfaces, or ML model components. Operates with a product-driven mindset and…

MSys Inc.

Senior .Net Developer - Onsite

West LA, CA, United States

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Job details

Experience: 13-15+ years of experience
Posting language: English
Posted: Oct 28, 2026

Original job description

**** In-person interview; *** Long term project Linkedin Must Onsite **** Due to security reasons only USC/GC ****

Job Summary

Principal Engineer: Banking as a Service (BaaS) platform for the future using cloud native techniques.

Build the next generation banking and payments platform.
Contribute towards moving the team forward in continuous integration, continuous delivery, cloud migration, and test-driven development practices.
Design highly scalable distributed solutions to handle large amounts of data.
Work on complex integration projects by working out API contracts, identifying gaps, and working out optimal solutions.
Document and demonstrate solutions by developing flowcharts, sequence diagrams and business process flow diagrams.
Organize and run working sessions by setting up agendas, driving discussions towards resolutions, and delegating actions to participants.
Own a component or capability during a project delivery stage and be on point for fulfilling the responsibility.
Ensure software is designed and built with quality, maintainability, scalability, availability, extensibility, security, portability, and testability.
Partner with product teams to shape the future state of products.
Actively identify technical debt and work with internal stakeholders to address debt on an ongoing basis.
Understand evolving industry trends and identify new technologies and patterns which should be adopted, and old technologies which should be deprecated.
Participate in code reviews, coach team members, and learn from receiving feedback.

Key Responsibilities

Lead the design and development of APIs and microservices that support BaaS onboarding and partner integration.
Collaborate with product managers, architects, and other engineering teams to define technical requirements and deliver robust solutions.
Drive engineering excellence through code reviews, mentoring, and best practices in CI/CD, testing, and observability.
Ensure compliance with SLA standards and contribute to the development of monitoring and alerting systems.
Lead incident response and root cause analysis to improve system reliability.
Drive architectural decisions and long-term technical strategy for BaaS platform, including generating documentation around architectural and design options analysis and decisions.
Champion emerging technologies evaluation and adoption.
Refactor and extend the existing codebase to fix defects and add features/functionality.
Create systems that are durable and flexible by developing for change favor configurability over customization.

Required Qualifications

Education and Experience

Bachelor's degree or foreign equivalent in Computer Science, Accounting, Accounting Information Systems, or a related field, plus six (6) years of experience as a Principal Engineer, Software Engineer, or related occupation.
A strong portfolio showing secure, standards-compliant code across multiple platforms, including the Microsoft stack and open-source technologies.
13-15+ years of experience

Languages and Frameworks

C#, .NET, ASP.NET, and SQL Server.

Cloud

Designing, developing, and hosting cloud-native applications in Azure or AWS.
This includes Azure native services such as APIM, Azure SQL, Cosmos DB, and Key Vault, plus container technologies and caching frameworks.

APIs and Web Services

RESTful API design, OAuth2, and OpenAPI specifications.
Also, SOAP and XML/JSON business object representations.

Architecture

Designing and building microservices frameworks, event-driven patterns (Service Bus, Event Hubs), and software design patterns and anti-patterns.
Writing code for scalable, reliable systems.

DevOps and Delivery

Git and GitHub, CI/CD processes, build tools (TeamCity), pipelines, and blue-green deployments.

Observability

Implementing and using observability dashboards and platforms (Datadog, Grafana).

Methodology

Agile development, including Scrum and Extreme Programming.

Security and Compliance

Security best practices in financial services and compliance standards (PCI DSS, SOC 2).

Work Environment

Ability to thrive in a fast-paced environment with iterative project turnarounds on mission- and revenue-critical, customer-facing applications.

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