UNKNOWN

FEED

About BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. The M&S Software Developer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems) based upon documented requirements.

YEAR

BAE Systems Plc

Modeling and Simulations Software Developer

Working alongside software engineers, architects, DevSecOps engineers, cybersecurity professionals, and mission stakeholders, you'll develop next-generation applications that deliver mission-critical capabilities in a fast-paced Agile environment. August 6, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business.

Leidos

Sr. Software Developer

Our deep technical expertise in Geospatial Information Systems, Enterprise Data Management, User-Centered Design, Cloud & Platform Services, and a wide range of Acquisition Support Services will provide your career the boost you have been looking for. As a developer on our team, you will build software leveraging Esri’s products and APIs to build core backend services that solve complex problems at a global scale.

INCATech

Backend Software Developer

Thales provides an extensive benefits program for all full-time employees working 30 or more hours per week and their eligible dependents, including the following: Elective Health, Dental, Vision, FSA/HSA, Voluntary Life and AD&D, Whole Group Life w/LTC, Critical Illness, Hospital Indemnity, Accident Insurance, Legal Plan, Identity Theft, and Pet Insurance. If you're excited about working with Thales, but not meeting the requirements for this position, we encourage you to join our Talent Community! https://careers.thalesgroup.com/global/en/jointalentcommunity .

Thales SA

Senior Software Developer

X reaches more than 500 million active users who produce billions of posts every week, and that activity generates signals and capabilities that go far beyond a conversation to listen to: real-time knowledge of what is happening in the world, rich media, commerce, communities, and the connective tissue between people, businesses, and now agents. We do this by making X data and functionality available through a consistent and reliable API suite, so that developers and the emerging world of agents can realize its full potential.

SpaceXAI

Software Engineer - X Developer Platform

GreenHouseAPI

FULL_TIME

Work closely with modeling and simulation engineers, embedded developers, hardware engineers, and systems engineers to translate complex technical workflows into usable software. The actual salary offered may vary based on various factors including but not limited to relevant experience, knowledge, skills and abilities, education, geographic location, as well as internal equity, and alignment to market data.

Darkblade Systems, LLC

Front-End Software Developer – Modeling & Simulation / HITL

[AW]-iCims

SAIC has immediate need for a Software Developer to join our Precision Fires team supporting the Aviation and Missile Center located in Huntsville, AL onsite at Redstone Arsenal. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services.

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.

We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.

Science Applications International Corp

Software Developer - Precision Fires

Benefit options include medical, dental, vision, Health Savings Account, Flexible Spending Accounts, retirement savings plan, sickness and accident benefits, life insurance, paid vacation & holidays, tuition assistance programs, employee assistance program, GM vehicle discounts and more. As a Senior Software Developer - Test Framework at GM, you will help to lead a team developing automation solutions that will enable test automation of software across various stages of development and integration.

Senior Software Developer - Test Framework

The Software Developer will work closely with engineers, project managers, and cross-disciplinary teams to design, build, and maintain applications that enhance operational workflows and support engineering functions across diverse projects. As pioneers in integrating cutting-edge technology with practical engineering, we aim to surpass our clients' expectations on every project from modest designs to large-scale, multifaceted developments.

Orvixengr

Software Developer

ABOUT CINTEL, INC: Cintel Inc. is a Small Business providing strategies and services to support an array of Government clients in Software Development, Operational/Tactical and Installation/Facilities Energy, Cyber Security, Modeling and Simulation, Data Science, and Programmatic support. Position Summary:We are seeking a Software Developer Subject Matter Expert (SME) to provide technical leadership in the design, development, testing, and implementation of software solutions supporting complex technical and mission requirements.

Cintel Inc

Software Developer- SME

Employees in this job function are responsible for designing building and deploying cloud-based infrastructure and managed services to achieve scalability flexibility and cost efficiencies for private and public cloud systems that support the business. This role will work within a cross-functional Agile team to build cloud-native services data integrations user-facing capabilities and platform observability.

HOUR

<p><span dir="ltr">Epitec is a leading staffing and recruiting services company with a mission to make staffing personal. We go beyond traditional hiring by truly understanding our candidates and matching them with the perfect opportunities. We offer competitive compensation, career growth, and support throughout the entire process. Working with top Fortune 500 companies, we are recognized for our excellence with numerous awards, including Best & Brightest and diversity recognitions. At Epitec, we're redefining the future of employment. </span></p>

Epitec Inc

Full Stack Software Developer

Apply broad knowledge of leading-edge information technologies, data engineering, machine learning, cloud platforms, and software development practices to analyze complex datasets, integrate AI models and third-party services, and develop secure, maintainable, and scalable digital solutions. Under direction, works collaboratively with industry experts, software developers, data specialists, project managers, and client stakeholders to design, build, and deliver AI-enabled software, data, and analytics solutions that solve important and impactful real-world problems.

AtkinsRealis Group Inc

AI Solutions Software Developer

Strong demonstrated experience automating complex numerical, thermodynamic, and software development workflows at scale - for example, building tools/scripts/pipelines for property package calculations, phase equilibrium workflows, automated testing & validation, batch processing of characterization or electrolyte models, or streamlining customer-facing simulation workflows. You will work in an agile, multi-disciplinary team and take ownership of key thermodynamic capabilities, including equations of state, activity coefficient models, property estimation methods, oil characterization, electrolyte systems, and algorithms supporting distillation and phase equilibrium calculations.

Slb NV

Thermodynamics Software Developer

The ideal candidate will have strong full-stack development experience and a deep technical understanding of geospatial software, ESRI/ArcGIS data structures, databases, APIs, and cloud deployment. This role will focus on taking scientific code, including MATLAB and Python, and optimizing it for computational efficiency while preserving scientific validity and producing outputs suitable for GIS applications.

Core4ce Inc

This role involves developing and maintaining robust, scalable software; integrating simulation systems across distributed architectures; and collaborating with developers, systems engineers, and subject matter experts to meet Navy training objectives. As part of the Navy Continuous Training Environment (NCTE) Software Engineering team, this engineer contributes to the design, implementation, testing, and sustainment of modeling and simulation systems that enable Live, Virtual, and Constructive (LVC) Fleet training.

Huntington Ingalls Industries is America’s largest military shipbuilding company and a provider of professional services to partners in government and industry. For more than a century, HII’s Newport News and Ingalls shipbuilding divisions in Virginia and Mississippi have built more ships in more ship classes than any other U.S. naval shipbuilder. HII’s Technical Solutions division provides a wide range of professional services through its Fleet Support, Integrated Missions Solutions, Nuclear & Environmental, and Oil & Gas groups. Headquartered in Newport News, Virginia, HII employs nearly 37,000 people operating both domestically and internationally.

Huntington Ingalls Industries Inc

Navy Training Baseline Developer (Engineer Software 3) - 29994

Has built developer experience as an explicit goal for example SDKs, API reference docs, quickstarts, sandbox or test environments, error messages and debugging surfaces, or self-serve onboarding flows and can speak to how it changed time-to-first-successful-integration for real external developers. Experience building developer-facing platforms such as developer portals, API platforms, authentication platforms, cloud platforms, payments platforms, or other self-service developer experiences.

ID.me

Software Engineer III - Developer Portal

ea_via_bold

OTHER

We value a diverse workforce – people who identify as women, non-binary or gender non-conforming, LGBTQIA+, American Indian or Native Alaskan, Black or African American, Hispanic or Latinx, Native Hawaiian or Other Pacific Islander, differently-abled, caretakers and parents, and veterans are strongly encouraged to apply. Beware of recruitment scams: DoorDash, Deliveroo, and Wolt will never ask you to pay money or share sensitive financial information during hiring — learn more about our legitimate recruiting process at Recruitment Scam Awareness - DoorDash .

DoorDash USA

Software Engineer, Full Stack - Developer Insights

greenhouse_via_bold

Recognized by Fast Company as one of the World's Most Innovative Companies (Top 10, 2025), by CNBC's Disruptor 50, Bloomberg's AI Startups to Watch (2026), Forbes AI 50, and Gartner's Tech Innovators in Agentic AI, Glean continues to accelerate its global impact. With over 100 enterprise SaaS connectors, flexible LLM choice, and robust APIs, Glean gives organizations the infrastructure to govern, scale, and customize AI across their entire business - without vendor lock-in or costly implementation cycles.

Glean Technologies, Inc.

Software Engineer, Developer Productivity

Software Engineer III — Developer Portal

We value a diverse workforce - people who identify as women, non-binary or gender non-conforming, LGBTQIA+, American Indian or Native Alaskan, Black or African American, Hispanic or Latinx, Native Hawaiian or Other Pacific Islander, differently-abled, caretakers and parents, and veterans are strongly encouraged to apply. Beware of recruitment scams: DASH Brands will never ask you to pay money or share sensitive financial information during hiring - learn more about DASH Brands'' legitimate recruiting process at careersatdoordash.com/recruitment-scam-awareness.

Software Developer Jobs in the United States

Modeling and Simulations Software Developer BAE Systems Plc

Sr. Software Developer Leidos

Backend Software Developer INCATech

Senior Software Developer Thales SA

Software Engineer - X Developer Platform SpaceXAI

Front-End Software Developer – Modeling & Simulation / HITL Darkblade Systems, LLC

Software Developer - Precision Fires Science Applications International Corp

Senior Software Developer - Test Framework GM

Software Developer Orvixengr

Software Developer- SME Cintel Inc

Full Stack Software Developer Epitec Inc

AI Solutions Software Developer AtkinsRealis Group Inc

Thermodynamics Software Developer Slb NV

Software Developer Core4ce Inc

Navy Training Baseline Developer (Engineer Software 3) - 29994 Huntington Ingalls Industries Inc

Software Engineer III - Developer Portal ID.me

Software Engineer, Full Stack - Developer Insights DoorDash USA

Software Engineer, Developer Productivity Glean Technologies, Inc.

Software Engineer III — Developer Portal ID.me

Software Engineer, Full Stack - Developer Insights DoorDash Inc

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