122 applications development engineer jobs at 73 companies in Elsmere, DE

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Systems & Applications Engineer
Aberdeen Proving Ground, Maryland, United States
$150k-$174k/yr OnsiteFull Time
Sigmatech
Sigmatech: Provides specialized engineering, technical, and programmatic support for government agencies.
10+ YOEBachelor's or Master's in computer science/engineering; 10+ years related experience; Secret clearance with ability to obtain Top Secret; cloud, data engineering, and software development expertise.
Python, Java, Cloud Platforms, ETL Tools, Message Brokers, API Gateways, Power BI, Kibana, Data Warehouses, Data Mesh, Data Lakes
2mo
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Software Applications Engineer
Aberdeen Proving Ground, Maryland, United States
$115k-$130k/yr HybridFull Time
Entarian
Entarian: Provides mission-critical engineering and technology solutions for government agencies.
5+ YOEDoD Secret clearance; BS in computer science or related field; 5+ years in software applications engineering; strong .NET/C#, MudBlazor, HTML/CSS/JavaScript; API development; Azure/DevOps; security+; hybrid role near Aberdeen Proving Ground, MD.
C#, .NET, MudBlazor, HTML, CSS, JavaScript, OpenXml, ASP.NET Core, Entity Framework Core, SQL, Azure, DevOps, OpenID Connect, OAuth 2.0, Microsoft Entra ID
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Chemist/Applications & Process Development Engineer, Adsorbents
Glasgow, Delaware, United States
OnsiteFull Time
Marmon
Marmon: Global industrial organization providing manufacturing and services across sectors.
5+ YOEBachelor's degree in chemistry, chemical engineering, materials science, environmental science or related field; 5+ years lab/technical experience in water treatment, materials science, or related industry; experience with process scale-up, product development, and analytical methods.
titration, wet chemistry, particle size, ICP, XRF
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Applications Engineering Manager
Vineland, New Jersey, United States
$100k-$110k/yr OnsiteFull Time
Cleanwater1
Cleanwater1: Manufacturer of water and wastewater treatment and disinfection systems.
3+ YOE2+ MgmtLead applications engineering team; develop proposals; manage workload and resources.
Microsoft Office Suite, 2D CAD (AutoCAD or SolidWorks)
5d
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Cloud Development Engineer
Aberdeen Proving Ground, Maryland, United States
$90k-$190k/yr HybridFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
Experience developing Java enterprise applications, Azure cloud deployment and sustainment, containerization, RHEL/Ubuntu/Windows deployment, CompTIA Security+, active DoD Secret clearance, and ability to perform technical presentations.
Azure, RHEL, Ubuntu, Windows, Java, Quarkus, Jakarta EE, Spring, Docker, Kubernetes, AWS
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Senior Android Developer – Banking Applications
Wilmington, Delaware, United States
$107k-$178k/yr HybridFull Time
M&T Bank
M&T BankNYSE: MTB: Provides retail, commercial, and wealth management banking services.
3+ YOE5+ years Android development with Java/Kotlin; banking/fintech experience; secure mobile development; testing frameworks; collaborative team player.
Java, Kotlin, Android, Jetpack Compose, Espresso, JUnit, Mockito, CI/CD, DevOps, Secure coding
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Manager, R&D Engineering Applications
Palm Beach Gardens or Raynham or Warsaw or West Chester
$117k-$234k/yr HybridFull Time
Johnson & Johnson
Johnson & JohnsonNYSE: JNJ: Global healthcare providing pharmaceuticals and medical technologies.
6+ YOE6+ years in engineering applications or R&D technology, experience with CAD/simulation/PLM, Agile delivery, team management, regulated environments, stakeholder management, and a bachelor’s degree in a relevant field.
CAD, simulation, PLM, SAP Product Lifecycle Management, Scrum, Kanban
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Associate Software Engineer-Applications & Automation
Philadelphia, Pennsylvania, United States
$55k-$60k/yr OnsiteFull Time
City of Philadelphia
City of Philadelphia: Provides municipal services and governance to the city of Philadelphia.
Entry-level software engineering role requiring basic programming skills, a IT/CS degree or certificate, on-site collaboration, and ability to work with production systems.
Python, C#, JavaScript, PowerShell
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Software Development Manager
New Holland, Pennsylvania, United States
OnsiteFull Time
Goodville Mutual Casualty Company
Goodville Mutual Casualty Company: Provides property and casualty insurance for homes and businesses.
8+ YOE3+ MgmtLeads and evolves application development with focus on people leadership, engineering practices, and lifecycle excellence; drives AI integration and Agile alignment.
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Software Developer | PTS Development | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
Susquehanna International Group: Global quantitative trading firm specializing in proprietary financial markets.
3+ YOEBS in CS or related, 3+ years developing production applications, proficiency in Python, C#, and/or Java, TypeScript/web experience preferred, strong collaboration and communication skills.
Python, C#, Java, TypeScript
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Software Developer | PTS Development | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
Susquehanna International Group: Global quantitative trading and market making firm.
3+ YOEBS in CS or related, 3+ years developing and supporting production applications, strong proficiency in Python, C#, and/or Java; TypeScript and web experience preferred; strong collaboration and communication skills.
Python, C#, Java, TypeScript
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Software Developer | PTS Development | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
Susquehanna International Group: Global quantitative trading firm providing proprietary financial market liquidity.
3+ YOEBachelors in a technical major, 3+ years developing and supporting production applications, strong proficiency in Python, C#, and/or Java; Typescript and web experience preferred; strong communication and cross-functional collaboration skills.
Python, C#, Java, Typescript
1w
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Senior Platform Engineer - CRM Applications
Wilmington, Delaware, United States
HybridFull Time
AstraZeneca
AstraZenecaLondon Stock Exchange: AZN: Researches and develops medicines to treat major diseases globally.
5+ YOEBachelor's in CS or related plus 5+ years pharma experience; 5+ years with Veeva CRM/OCE/Salesforce, Veeva Vault, Snowflake, Databricks, Apex, React, APIs, MuleSoft/SnapLogic; Veeva certifications required.
Veeva CRM, OCE CRM, Salesforce, Veeva Vault, Salesforce Marketing Cloud, Snowflake, Databricks, Apex, Visualforce, Lightning, React.js, React Native, REST/SOAP APIs, MuleSoft, SnapLogic, Power BI, Generative AI
1mo
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Senior Software Engineer (C++ Development, Radar Signal Processing)
Moorestown, New Jersey, United States
$91k-$181k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
5+ YOEBachelor's in CS or equivalent, minimum 5 years C++ development with object-oriented C++, experience with embedded applications and static code analysis, automated test techniques, ability to obtain/maintain U.S. DoD SECRET clearance (U.S. citizenship required).
C++, UML, Linux, Unix, bash, Python, Git, JIRA, Confluence, Docker, Podman, CI/CD, Static Code Analysis
5d
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Software Engineer III
Mount Laurel or Bala Cynwyd or United States
$100k-$115k/yr HybridFull Time
Philadelphia Insurance Companies
Philadelphia Insurance Companies: Commercial property and casualty insurance underwriting and services provider.
Hands-on software engineering across SDLC; experience with application development, APIs, integrations, databases, CI/CD, troubleshooting, and collaborating with technical and business stakeholders.
2mo
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AI Engineer, Forward Deployed
Philadelphia, Pennsylvania, United States
RemoteFull Time
IntegriChain
IntegriChain: Provides data and applications for pharmaceutical therapy commercialization.
5+ YOE5+ years of software engineering or data application development; embedded, consultative role with non-engineering teams; strong Python, AI/LLM, and agent-loop experience.
Python, LLM APIs, Tooling for agent loops, Cursor, Claude, Codex, GitHub Copilot
2mo
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Aerospace Engineer III
Aberdeen Proving Ground, Maryland, United States
$180k-$230k/yr OnsiteFull Time
People, Technology & Processes
People, Technology & Processes: Provides IT services and mission support for government agencies.
10+ YOEBachelor's degree in statistical analysis, engineering, or related field; Master's preferred; 10+ years in hardware design/development/documentation; knowledge of probability, reliability, statistics, testing, and applicable standards.
1mo
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AI-Application Developer B
Philadelphia, Pennsylvania, United States
$62k-$75k/yr OnsiteFull Time
University of Pennsylvania
University of Pennsylvania: Provides Ivy League higher education and conducts advanced scientific research.
1+ YOEBachelor's degree and 1–2 years experience (or equivalent), develops and maintains application software and interfaces, provides application support, ensures data integrity and security, may manage small projects.
1mo
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AI-Application Developer B
Philadelphia, Pennsylvania, United States
$62k-$75k/yr OnsiteFull Time
University of Pennsylvania
University of Pennsylvania: Research university offering higher education and healthcare services.
1+ YOEBachelor's degree and 1–2 years experience; develops and maintains application software, translates requirements into technical solutions, administers applications, ensures data integrity/security, and may manage small projects.
2w
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Senior Engineer
New Castle, Delaware, United States
$100k-$105k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
8+ YOE8+ years application development experience with Python, machine learning, NLP and familiarity with banking LLMs; consult with users and analyze complex problems.
Python, Machine Learning, NLP, LLM