9,285 developer jobs at 2,333 companies in Downingtown, PA
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Senior Developer
Allentown or Louisville or Rhode Island
RemoteFull Time
PPL CorporationNYSE: PPL: Provides electricity transmission, distribution, and utility services.
5+ YOEBachelor's degree and 5+ years of related software development experience; familiarity with C#, Java, Python, Azure and MQ Series; strong problem solving, collaboration, and utilities experience preferred.
Paradise Energy Solutions: Full-service solar energy installation and maintenance provider.
Experience with API integration, databases, and coding in multiple languages (preferably PHP, Python, JavaScript). Familiarity with Jira, Git, Trello, QuickBase/Zoho, and comfortable using AI-assisted development tools.
Exton or Lexington or Peachtree City or Bridgman or Holland or Detroit or Houston
HybridFull Time
Convergix Automation Solutions: Designs and integrates custom industrial automation and control systems.
Experience with industrial/ manufacturing software (MES/IIoT), industrial controls and PLC platforms; development using Python, Java, JavaScript, or Microsoft .NET; database familiarity (Microsoft SQL Server, PostgreSQL, MySQL, Oracle, InfluxDB); practical use of GitHub Copilot/Claude and LLM concepts.
GitHub Copilot, Claude, Python, Java, JavaScript, Microsoft .NET, MES, IIoT, PLC, Rockwell, Siemens, Aveva/Wonderware, GE, MQTT, Microsoft Azure DevOps, AWS, Node-Red, Docker, Microsoft SQL Server, PostgreSQL, MySQL, Oracle, InfluxDB, Inductive Ignition, Sepasoft, Cirrus Link Solutions
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
10+ YOE10+ years software development, 5+ years solution architecture; expertise with Java/Spring Boot/Angular, cloud-native platforms, CI/CD, containers, and AI-assisted development.
Intealth: Provides global medical credentialing and healthcare education quality services.
7+ YOE7+ years Salesforce development experience with Apex, LWC, Visualforce, APIs; experience with CI/CD, Git/Azure DevOps; Platform Developer I and II required; Bachelor's preferred.
Bridgeway Software: Provides legal management and corporate governance software solutions.
3+ YOE3-5 years software development; proficiency in multiple languages; SQL; multi-tier applications; experience with databases; plus knowledge of reporting tools.
VB, VBScript, C++, C#, ASP.Net, Java, JavaScript, Delphi, SQL, Crystal Reports, Business Objects, COM, XML
AVEVA: Industrial software for engineering and operational performance management.
3+ YOE3+ years software/product development; degree in engineering, computer science, math, or physics; experience with C#/.NET, C++, JavaScript; strong debugging, communication, and design skills.
Exton or Lexington or Peachtree City or Bridgman or Holland or Detroit or Houston
HybridFull Time
Convergix Automation Solutions: Designs and integrates custom industrial automation and robotics.
Experience in manufacturing software (Information/MES/IIoT), industrial controls and PLCs, network design and virtualization; advanced development with Python/Java/JavaScript/Microsoft .NET; DB familiarity and use of GitHub Copilot/Claude.
GitHub Copilot, Claude, Python, Java, JavaScript, Microsoft .NET, Microsoft SQL Server, PostgreSQL, MySQL, Oracle, InfluxDB, MQTT, Azure DevOps, AWS, Node-Red, Docker, Ignition, Sepasoft, Cirrus Link Solutions, Rockwell, Siemens, Aveva/Wonderware, GE
Noblis: Nonprofit science, technology, and strategy firm supporting government missions.
3+ YOEBachelor's in a relevant technical discipline, 3+ years Java development, experience with large codebases, Git/GitLab and Jira familiarity, Linux proficiency, U.S. citizenship, ability to obtain Secret clearance.
Syms Strategic Group: Provides IT and professional services to federal government agencies.
8+ YOE8+ years backend-focused software development experience with Java and/or NodeJS, Angular, AWS, RESTful API design, healthcare EDI knowledge, U.S. citizenship, and ability to obtain Public Trust clearance.
Java, NodeJS, Angular, C#, .Net, AWS, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JUnit, Jest, JIRA, Docker, ECS, EKS, Microsoft Teams, TypeScript, XML, JSON
CAP Index: Provides data-driven crime risk forecasting and security management solutions.
5+ YOE5+ years professional software development experience with C# and .NET; experience with React, TypeScript, SQL Server, PostgreSQL, Docker, testing tools, and CI/CD; bachelor's degree or equivalent experience preferred.
CapTech: Provides technology and management consulting services to large enterprises.
Experience with dotCMS and web development (Java, HTML, CSS, JavaScript); familiarity with RESTful APIs, integrations, and deployment processes; strong problem-solving and communication skills. Bachelor's degree and cloud/DevOps experience preferred.
ManTech: Provides technology solutions for defense and intelligence agencies.
10+ YOEBSc and 10+ years software development experience, U.S. citizenship with active Secret clearance, proficiency with Java/Python/C#/JavaScript, Linux/Windows experience, testing and documentation skills, DoD experience preferred.
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
5+ YOEDesign, develop, and implement software across multiple languages; lead components; troubleshoot; mentor and guide developers; ensure secure, maintainable results. Must be a US citizen with SECRET clearance.
Colorado Springs or King of Prussia or California or Massachusetts or New York or Colorado or Hawaii or Illinois or Maryland or Minnesota or New Jersey or Vermont or Washington or District of Columbia
$114k-$227k/yrHybridFull Time
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
5+ YOEFrontend development with Angular, JavaScript, CSS, HTML; REST and Docker experience; UI/UX tools and test frameworks; 5+ years relevant experience; Secret clearance and U.S. citizenship required/preferred candidates in CO or PA.
3+ YOE5+ years Android development with Java/Kotlin; banking/fintech experience; secure mobile development; testing frameworks; collaborative team player.
Seattle or St. Louis or Arlington or Ridley Park or Charleston or Mesa
$183k-$265k/yrHybridFull Time
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
10+ YOEBachelor's in a technical field,10+ years developing software,data pipelines and cloud products; experience with scalable distributed systems; strong design, testing and collaboration skills.
New Holland or Pennsylvania or Ohio or South Dakota
OnsiteFull Time
Goodville Mutual Casualty Company: Provides property and casualty insurance for homes and businesses.
Develop, implement, and maintain insurance systems; integration, web services, data mapping, automated testing; college degree or comparable experience in web or computer technologies required.
PENN EntertainmentNASDAQ: PENN: Operates integrated casino gaming and online sports wagering platforms.
3+ YOE3+ years web development with JavaScript/TypeScript and React; strong CS fundamentals, HTML/CSS, REST/GraphQL, Git, automated testing, observability, and collaborative agile practices.