4,030,310+ Lead Python Programming Software Engineer Level 4 Jobs in USA — Top Companies Hiring June 2026

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Senior Software Engineer, Level 3

**Description:** Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future.At Lockhee ...

Software Engineer F35 Level 3

**Description:****We Are Lockheed Martin Aeronautics.** _Imagine_ **.**At Lockheed Martin Aeronautics, we're taking innovation to the next level. From designing the most advanced air vehicle to designing aircraft that defies gravity, our engineers live on the cutting edge of technology. Never have ...

Software Engineer Sr Level 3

**Description:** **We are** _Lockheed Martin_By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great ...

Java Software Engineer Level 3

**Description:** Protecting what matters most is the mission that matters most.Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more— we can innovate, invest, inspire and ...

Software Engineer Sr Level 3

**Description:** Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future.At Lockhee ...

Software Quality Engineer (Level 3)

**Description:** What You Will Be DoingAt Lockheed Martin, we are driven by innovation and integrity. We believe that by applying the highest standards of business ethics and visionary thinking, everything is within our reach – and yours as a Lockheed Martin employee. Lockheed Martin values your skills, tr ...

Software Engineer Sr, Level 3

**Description:** Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire, and integrate our capabilities to transform the future.At Lockh ...

Software Engineer Senior Level 3

**Description:** **Who We Are**This exciting position is with the Skunk Works Mission Systems and Software team located in Fort Worth, TX. This position is for an experienced Software Engineer to use and apply technical standards, principles, theories, concepts, and techniques in the software field to deve ...

Software Engineer Sr Level 3

**Description:** Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future.At Lockhee ...

Software Quality Engineer Level 2

**Description:** The AMMM Software Quality Engineering team is seeking a highly motivated self-starting individual who has a passion for aviation software development and a keen eye for detail. This job isn’t for everyone. It requires the ability to apply knowledge of the Software Development Lifecycle with Q ...

Mid Level Backend Software Engineer

**Description** If you’ve been building your skills in **backend development, object‑oriented programming, and mission‑driven engineering** , and you’re ready for work that actually moves the needle, this is the kind of opportunity cleared engineers pursue when they want to grow while making real impac ...

Mid Level Backend Software Engineer

**Description** If you’ve been building your skills in **backend development, object‑oriented programming, and mission‑driven engineering** , and you’re ready for work that actually moves the needle, this is the kind of opportunity cleared engineers pursue when they want to grow while making real impac ...

Mid Level Backend Software Engineer

**Description** If you’ve been building your skills in **backend development, object‑oriented programming, and mission‑driven engineering** , and you’re ready for work that actually moves the needle, this is the kind of opportunity cleared engineers pursue when they want to grow while making real impac ...

Mid Level Backend Software Engineer

**Description** If you’ve been building your skills in **backend development, object‑oriented programming, and mission‑driven engineering** , and you’re ready for work that actually moves the needle, this is the kind of opportunity cleared engineers pursue when they want to grow while making real impac ...

Senior Software Engineer, Level 3

**Description:** Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future.At Lockhee ...

Software Engineer F35 Level 3

**Description:****We Are Lockheed Martin Aeronautics.** _Imagine_ **.**At Lockheed Martin Aeronautics, we're taking innovation to the next level. From designing the most advanced air vehicle to designing aircraft that defies gravity, our engineers live on the cutting edge of technology. Never have ...

Software Quality Engineer Level 2

**Description:** This position is for a Software Quality Engineer (SWQE) within the historic Lockheed Martin Skunk Works Organization. The one and only Skunk Works has a 75-year track record developing aircraft systems that push the boundaries of what’s possible. Trusted to solve critical national needs for ...

Software Engineer Sr (level 3)

**Description:****WHO WE ARE**The Skunk Works (Lockheed Martin Advanced Development Programs) is looking for world-class talent in Software Engineering to be a part of a team that will carry on our 80-year tradition-making history in advanced aircraft development. The vehicle management software te ...

Mid Level .NET Software Engineer

$40 - $60A growing U.S.-based consulting organization is seeking a Mid Level Full Stack .NET Engineer for a hybrid contract?to?hire role based in their Tempe or Tucson, AZ locations. This position supports the development of client?facing software solutions across a variety of industries. With backing from a ...

Software Engineer Sr Level 3

**Description:** Join the F-22 IMIS (Integrated Maintenance Information System) team supporting the operational readiness and sustainment of the F-22 Raptor. IMIS provides mission-critical hardware and software solutions that interface directly with aircraft maintenance systems, automating maintenance proc ...

Mid Level Backend Software Engineer

**Description** If you’ve been building your skills in **backend development, object‑oriented programming, and mission‑driven engineering** , and you’re ready for work that actually moves the needle, this is the kind of opportunity cleared engineers pursue when they want to grow while making real impac ...

Lead Software Engineer, BackEnd (Java, Scala, AWS)

Overview Lead Software Engineer, BackEnd (Java, Scala, AWS)Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big ...

Remote Software Engineer

Job DescriptionInsight Global is seeking a Fully Remote Software Engineer for their end client. This dedicated Senior Software Engineer will help architect, build, and maintain back-end services on AWS. They apply a DevOps mindset to our services and applications, meaning the engineer will own several back-e ...

Senior, Software Engineer – Python, Gen AI Developer

**Position Summary...** **What you'll do...** As part of Walmart's Global Sourcing Backend team, you will be building highly scalable and reliable APIs, services and applications which will drive the next generation purchase order management system. You'll independently handle high impact, crit ...

Senior Software Engineer Python Numerical Computing Libraries

We are looking for an experienced software professional to contribute to design and development of accelerated and distributed implementations of Python APIs for numerical computing. In the last decade, Python has become the de-facto programming language for practitioners in AI, data science and HPC, through pop ...

Software Engineer (Java, Python) in Wilmington, DE

DESCRIPTION:Experience with AWS Infrastructure provisioning technologiesFamiliarity with cloud database technologiesMust have experience with Java and PythonMust have experience with git, unit testing, Dev Ops, CI/CDHave experience ...

Senior Software Engineer, Data Integrations (Java/Python)

**About this role** **About BlackRock SMA Solutions:** At BlackRock SMA Solutions, our strategies are designed to put our clients’ and their clients’ interests at the center of our investment advice; to minimize costs and taxes; and to incorporate each client’s unique values-aligned preferences ...

Senior Software Engineer, Data Integrations (Java/Python)

**About this role** **About BlackRock SMA Solutions:** At BlackRock SMA Solutions, our strategies are designed to put our clients’ and their clients’ interests at the center of our investment advice; to minimize costs and taxes; and to incorporate each client’s unique values-aligned preferences ...

Python Software Engineer TS/SCI with Poly

Job Title: Python Software Engineer-TS/SCI with Poly Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * ...

Software Engineer III Python Fullstack AI/ML

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level.As a Software Engineer III at JPMorgan Chase within Corporate Technology, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in a secu ...

Software Platform Engineer (Python, DevOps, CI/CD)

Job DescriptionJob Description:Insight Global is seeking a Platform Engineer to support a high-impact enterprise AI enablement initiative. This individual will join a fast-moving team responsible for building and maintaining internal tools, backend services, and deployment pipelines that support the roll ...

Software Engineer III AI/ML, Java/Python

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level.As a Software Engineer III at JPMorganChase within the Asset & Wealth Management, Transformative AI Team, you serve as a seasoned member of an agile team to design and deliver trusted market-leadi ...

Software Engineer III Agentic AI, Java/Python

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level.As a Software Engineer III - AI/ML Engineer at JPMorganChase within the AI For Technology group, you serve as a seasoned member of an agile team to design and deliver trusted market-leading techno ...

Senior C++/Python Software Engineer Clearance Required

**Description:****What We’re Doing:**Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens a ...

Senior Software Engineer / AI Product / Python / LLM

$200000 - $225000This employer is hiring an **AI Solutions Engineer** for a **direct hire role based in Kennett Square, PA (2 days onsite per week)** . This position sits at the intersection of software engineering and business consulting, focused on building practical AI solutions that improve real-world ...

Principal Software Engineer Core Infrastructure (Python/C++)

We anticipate the application window for this opening will close on - 6 Jul 2026 At Medtronic you can begin a life-long career of exploration and innovation, while helping champion healthcare access and equity for all. You’ll lead with purpose, breaking down barriers to innovation in a more connected, c ...

Principal Software Engineer Core Infrastructure (Python/C++)

We anticipate the application window for this opening will close on - 6 Jul 2026 At Medtronic you can begin a life-long career of exploration and innovation, while helping champion healthcare access and equity for all. You’ll lead with purpose, breaking down barriers to innovation in a more connected, c ...

Senior Firmware Engineer – Networking Software

NVIDIA has been redefining computer graphics, PC gaming, and accelerated computing for more than 25 years. It’s a unique legacy of innovation that’s fueled by phenomenal technology—and outstanding people. Today, we’re tapping into the unlimited potential of AI to define the next era of computing. An era in which ...

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    Lead Python Programming Software Engineer Level 4 Jobs in United States Job Search Guide, Trends and Insights