1,445 Results for

Security Engineer Jobs in McLean, VA

Jobs

Senior Software Developer American Heritage Credit Union (Inc)

Philadelphia, PA

Organize project requirements in programming sequence by analyzing requirements; using knowledge of computer capabilities, subject matter, programming languages, and logic. This position will analyze business and system requirement needs/documentation to design develop, implement and support custom and third-party software solutions; responsible for large complex AMHCU initiatives.

30+ days ago

Freelance Senior Product Developer, Men & Woman's Denim, Wholesale Apparel Premier Brands Group Holdings

Bristol, Pennsylvania

Driven by excellence and innovative talent, Premier Brands Group is a leading, global apparel group of iconic brands, offering a diverse portfolio in denim, women’s apparel, and jewelry. An apparel industry leader for 30+ years, The Kasper Group has remained committed to excellence in offering iconic brands and relevant womenswear designs.

30+ days ago

Quant Developer | Trading Strategies | Experienced Hire Susquehanna International Group LLP

Bala Cynwyd, PA

To meet the unique challenges of global markets, Susquehanna applies machine learning and advanced quantitative research to vast datasets in order to uncover actionable insights and build effective strategies. Collaboration: You will partner closely with our Strategy Developers and Quantitative Researchers to translate complex trading problems into scalable and highly performant hardware solutions.

30+ days ago

Quantitative Developer | Options Pricing | Experienced Hire Susquehanna International Group LLP

Bala Cynwyd, PA

To meet the unique challenges of global markets, Susquehanna applies machine learning and advanced quantitative research to vast datasets in order to uncover actionable insights and build effective strategies. In this role, you will work alongside our quantitative researchers and help with the development, implementation, and optimization of our options pricing models and pricing systems.

30+ days ago

Software Developer Productivity Engineer | HPC | Experienced Hire Susquehanna International Group LLP

Bala Cynwyd, PA

To meet the unique challenges of global markets, Susquehanna applies machine learning and advanced quantitative research to vast datasets in order to uncover actionable insights and build effective strategies. Our culture is intellectually driven and highly collaborative, bringing together researchers, engineers, and traders to design and deploy impactful strategies in our systematic trading environment.

30+ days ago

Senior C++ Developer | Trading Infrastructure | Experienced Hire Susquehanna International Group LLP

Bala Cynwyd, PA

To meet the unique challenges of global markets, Susquehanna applies machine learning and advanced quantitative research to vast datasets in order to uncover actionable insights and build effective strategies. Susquehanna International Group is seeking an experienced Software Developer to join a Front Office team responsible for designing and developing low-latency trading systems.

30+ days ago

Sr. Solution Developer Lumbermens Merchandising Corp

Wayne, PA

As LMC continues to modernize its technology landscape, the Technology team is leveraging Microsoft technologies, low-code platforms and AI-assisted software development, to rapidly deliver secure, scalable, and maintainable business applications. Software Development: Design and support solutions using coding languages like C#, python, JavaScript, etc that work with applications within the Microsoft Power Platform (Power Apps, Power Automate, Dynamics 365, and SharePoint).

30+ days ago

Software Engineer| Tactical Python Developer | Experienced Hire Susquehanna International Group LLP

Bala Cynwyd, PA

To meet the unique challenges of global markets, Susquehanna applies machine learning and advanced quantitative research to vast datasets in order to uncover actionable insights and build effective strategies. This role combines data engineering, application development, and quantitative tooling, with a focus on delivering systems used in backtesting, analytics, and real-time trading workflows.

30+ days ago

Principal Product Developer | UniBasic Epicor Software Corp

Bensalem, PA

This is a hands-on technical leadership role for someone who enjoys solving complex problems, modernizing established systems, mentoring developers, and shaping better engineering practices. You'll work across application development, integrations, APIs, databases, and release processes while helping ensure Epicor's distribution solutions remain reliable, scalable, and ready for what's next.

30+ days ago

Mainframe Application Modernization Developer - New York, NY or Pittsburgh, PA - DP Compu-Vision - Northeast

Pennington, NJ

$60–$65 / hour

We are seeking experienced Mainframe Application Modernization Developers to support application development and modernization initiatives in the financial services and cash management domain. Three positions are available, with candidates required to work onsite four days per week.

Today

Full Stack Developer - C#/.NET, Vue/Nuxt & SQL (Azure Cloud Migration) Motion Recruitment

Philadelphia, PA

Full Stack Developer | C#/.NET, Vue/Nuxt, SQL and Azure Cloud Migration Based in the Philadelphia area with an organization modernizing its technology platform and migrating business-critical applications to Microsoft Azure . The role will work across C#/.NET APIs and middleware, Vue/Nuxt front ends, SQL databases, and cloud-native Azure services , with a stronger emphasis on back-end engineering.

1 day ago

Senior Java / Angular Developer / Fintech / Hybrid Princeton, NJ Motion Recruitment

Princeton, NJ

This role is ideal for a senior engineer with deep Java backend experience and strong Angular skills who has worked in a trading, exchange, brokerage, or capital markets environment. The organization is looking for an experienced Full Stack Developer to build and enhance high-performance trading applications in a fast-paced, technology-driven environment.

1 day ago

.NET Developer/Contract to hire/Philadelphia Motion Recruitment

Philadelphia, PA

A leading enterprise organization is undergoing a large-scale digital transformation, migrating from a legacy data center environment to Microsoft Azure while rebuilding its API ecosystem, web applications, and mobile applications from the ground up. NET Developers to join a high-visibility modernization initiative and help drive development efforts through a multi-year transformation program scheduled for major delivery milestones through Spring 2027.

1 day ago

Senior .NET Developer/Hybrid/Philadelphia/$140k Motion Recruitment

Philadelphia, PA

Operating within a highly secure, enterprise-scale environment, you'll help build innovative payment, security, identity, and data analytics solutions that support omnichannel commerce experiences across web, mobile, and in-store platforms. The role provides significant exposure to modern web architectures, API ecosystems, cloud-connected commerce technologies, and large-scale enterprise software development.

1 day ago

Flutter Developer Sarnova

Philadelphia, PA

The ideal candidate will have hands-on experience building Flutter applications for iOS and Android, a strong understanding of software engineering principles, and experience working within Agile development teams. The Flutter Developer will collaborate with product managers, UI/UX designers, QA engineers, and backend developers to deliver scalable, secure, and user-friendly applications that support business objectives.

23 days ago

C++ Developer | Trading Infrastructure | Experienced Hire Susquehanna International Group LLP

Bala Cynwyd, PA

To meet the unique challenges of global markets, Susquehanna applies machine learning and advanced quantitative research to vast datasets in order to uncover actionable insights and build effective strategies. Susquehanna is seeking an experienced Software Developer to join a front office team responsible for designing and building low-latency trading systems that power our trading strategies.

26 days ago

Senior Full Stack IoT Software Developer Sarnova

Philadelphia, PA

Remote

By driving the development of intelligent, connected devices, the Senior Full Stack IoT Developer directly supports strategic initiatives in product innovation, operational efficiency, and customer experience. Customers’ emergency preparedness needs are met via Cardio Partners’ nationwide CPR training courses and state-of-the-art program management services.

24 days ago

Software Engineer - PTC Windchill Developer Lockheed Martin Corp

Moorestown, NJ

$101,400–$188,200 / year

This Lockheed Martin (LM) Enterprise Business and Digital Transformation (EBDT) Software Engineer position is for a Java / COTS developer for the Engineering Enablement Team supporting engineering applications for the RMS business area engineering applications, specifically RMS EPDM or PTC Windchill. This position is expected to join an experienced software development team which provides support for the RMS EPDM PLM system and key 1LMX initiatives such as MPMLink Capital project and 1LMX integrations (Enterprise Part Registry, S/4 HANA and Common MES systems).

17 days ago

Software Engineer Sr - PTC Windchill Developer Lockheed Martin Corp

King of Prussia, PA

$122,600–$227,600 / year

This position is expected to join an experienced software development team which provides support for the RMS EPDM PLM system based on PTC Windchill and key 1LMX initiatives such as MPMLink Capital project and 1LMX integrations (Enterprise Part Registry, S/4 HANA and Common MES systems). This Lockheed Martin (LM) Enterprise Business and Digital Transformation (EBDT) Software Engineer position is for a Java / COTS developer for the EBDT Engineering Enablement team supporting the Rotary & Mission Systems (RMS) EPDM system based on PTC Windchill.

17 days ago

Software Developer EMR Metal Recycling

Camden, NJ

$80,000–$100,000 / year

The ideal candidate has professional software development experience, strong problem-solving and critical-thinking skills, and hands-on experience with C# and SQL. In this role, you will apply sound software development principles to design and deliver solutions that solve real business problems.

10 days ago

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Security Engineer Jobs in McLean, VA

Senior Software Developer American Heritage Credit Union (Inc)

Freelance Senior Product Developer, Men & Woman's Denim, Wholesale Apparel Premier Brands Group Holdings

Quant Developer | Trading Strategies | Experienced Hire Susquehanna International Group LLP

Quantitative Developer | Options Pricing | Experienced Hire Susquehanna International Group LLP

Software Developer Productivity Engineer | HPC | Experienced Hire Susquehanna International Group LLP

Senior C++ Developer | Trading Infrastructure | Experienced Hire Susquehanna International Group LLP

Sr. Solution Developer Lumbermens Merchandising Corp

Software Engineer| Tactical Python Developer | Experienced Hire Susquehanna International Group LLP

Principal Product Developer | UniBasic Epicor Software Corp

Mainframe Application Modernization Developer - New York, NY or Pittsburgh, PA - DP Compu-Vision - Northeast

Full Stack Developer - C#/.NET, Vue/Nuxt & SQL (Azure Cloud Migration) Motion Recruitment

Senior Java / Angular Developer / Fintech / Hybrid Princeton, NJ Motion Recruitment

.NET Developer/Contract to hire/Philadelphia Motion Recruitment

Senior .NET Developer/Hybrid/Philadelphia/$140k Motion Recruitment

Flutter Developer Sarnova

C++ Developer | Trading Infrastructure | Experienced Hire Susquehanna International Group LLP

Senior Full Stack IoT Software Developer Sarnova

Software Engineer - PTC Windchill Developer Lockheed Martin Corp

Software Engineer Sr - PTC Windchill Developer Lockheed Martin Corp

Software Developer EMR Metal Recycling

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