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1,354 junior developer jobs at 582 companies in Lancaster, PA

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Junior Developer
Paradise, Pennsylvania, United States
$28-$34/hr OnsiteFull Time
Paradise Energy Solutions
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.
PHP, Python, JavaScript, GitHub Copilot, Jira, Git, Trello, QuickBase, Zoho, Sage Intacct, REST APIs
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3mo
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Junior Computer Scientist/Engineer
Aberdeen, Maryland, United States
$75k-$131k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
2+ YOEBachelor's in engineering or related field with 2 years software development experience; programming in Python/C++/Java; SECRET clearance required.
Python, C++, Java, Cloud platforms
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1mo
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Junior CRM Data Migration Developer
Middletown, Pennsylvania, United States
OnsiteContract
Data-Core Systems
Data-Core Systems: Provides IT consulting, software development, and business process services.
5+ YOE3+ years KingswaySoft and Dynamics CRM/365 experience, 5+ years SQL Server and SSIS development, ETL/data mapping and validation, experience migrating structured and unstructured data, strong analytical and communication skills.
KingswaySoft, Microsoft SQL Server Integration Services (SSIS), SQL Server, Microsoft Dynamics CRM/365, Azure DevOps
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2d
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Junior Electrical Engineer
Aberdeen Proving Ground, Maryland, United States
$58k-$117k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
Active Top-Secret clearance with ability to obtain TS/SCI, ABET B.S. in electrical/computer engineering, proficiency with schematics, benchtop lab equipment, RF fundamentals, SPI/I2C/UART, and technical report writing.
oscilloscope, spectrum analyzer, signal generator, SPI, I2C, UART
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2d
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Junior Electrical Engineer
Aberdeen Proving Ground, Maryland, United States
$58k-$117k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
ABET B.S. in EE or related, active Top-Secret clearance with ability to obtain TS/SCI, hands-on benchtop experience (oscilloscope, spectrum analyzer, signal generator), RF and protocol (SPI,I2C,UART) familiarity, technical reporting skills.
Oscilloscope, Spectrum Analyzer, Signal Generator, SPI, I2C, UART
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1w
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Junior R&D Ceramics Engineer
York, Pennsylvania, United States
OnsiteFull Time
RHI Magnesita
RHI MagnesitaLondon Stock Exchange: RHIM: Supplies refractory materials for high-temperature industrial processes.
Bachelor's degree in Materials Science/Geology/Chemistry, hands-on lab or manufacturing experience (employment/internship/co-op), familiarity with refractory/ceramics testing, Microsoft 365 skills, strong communication and project management.
Microsoft 365, Microsoft Word, Microsoft PowerPoint, Microsoft Excel
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3mo
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Senior SharePoint Developer (King of Prussia, PA, US, 19406)
King of Prussia, Pennsylvania, United States
$101k-$164k/yr OnsiteFull Time
Day & Zimmermann
Day & Zimmermann: Provides industrial, defense, and workforce solutions to global customers.
8+ YOE8+ years in SharePoint development; BA/BS required; design, develop, deploy SharePoint/M365 solutions; on-prem and cloud; mentor junior staff.
SharePoint 2016, SharePoint Subscription Edition, SharePoint Online, SPFx, C#, NET, JavaScript, TypeScript, React, HTML5, CSS3, PowerShell, Power Platform, Power Automate, Power Apps, Power BI, Microsoft Graph API, REST APIs, CSOM, GitHub
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1w
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Junior Engineer – Defense and Security Assistance
Aberdeen, Maryland, United States
$85k-$110k/yr OnsiteFull Time
Bowhead
Bowhead: Federal government contracting and professional services provider.
2+ YOEBachelor's in engineering, 2+ years engineering experience, strong communication, security clearance at Secret, ability to lift 50 lbs and travel up to 10%.
Microsoft PowerPoint, Microsoft Excel
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4d
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Developer, Applications
Westminster or Crawfordsville
$70k-$85k/yr OnsiteFull Time
Arvato Systems
Arvato Systems: Provides IT consulting, software development, and managed IT services.
2+ YOECollege degree or equivalent with 2+ years IT development/support experience; experience with ERP/WMS/TMS; strong Oracle PL/SQL, Linux, Python, JavaScript, and Git skills; barcode and API knowledge.
Oracle, PL/SQL, Linux, Python, HTML, JavaScript, Perl, C, TCP/IP, API, Git, VS Code
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1mo
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Salesforce Developer (CPQ)
Chesterbrook or Orlando or Tampa or Nashville
$54k-$196k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
2+ YOEMinimum 2 years Salesforce development and CPQ experience; Apex, LWC, REST API integrations, JavaScript proficiency; Bachelor's degree or equivalent experience; strong problem-solving and communication skills.
Apex, LWC, Rest API Integrations, JavaScript, Salesforce CPQ, Sales Cloud, Salesforce Billing
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1mo
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Ground Software Engineer
King of Prussia, Pennsylvania, United States
OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
1+ YOEBS degree and typically 1+ years software development experience; active Top Secret clearance with SCI eligibility required; experience with Scaled Agile, DevSecOps, and modern software development tools.
Java, C#, Rust, Angular, Python, Apache Kafka, Apache ActiveMQ, ELK Stack, OpenSearch, PostgreSQL, Redis, Helm, Kubernetes, Git, DevSecOps, CI/CD
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2w
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Cloud Engineer, Specialist
Malvern or Charlotte
HybridFull Time
Vanguard
Vanguard: Provides mutual funds, ETFs, and investment management services.
Experience with AWS Lambda and serverless development, software development using Python (Node/Java nice), familiarity with CloudFormation, CI/CD, monitoring, and production support; strong collaboration and communication skills.
AWS Lambda, Python, Node, Java, CloudFormation, CI/CD
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5d
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Associate Software Developer
West Chester, Pennsylvania, United States
HybridFull Time
Venerable
Venerable: Manages and optimizes legacy variable annuity business blocks.
1+ YOE1+ years professional experience in AI/ML and micro-service systems; proficiency with AWS services, Python, C#, ML libraries, and enterprise software development practices.
SageMaker, Lambda, EC2, S3, EFS, SNS, SQS, EventBridge, Kinesis, Aurora, DynamoDB, RDS Proxy, Glue, Athena, Redshift, AWS Step Functions, AWS CodePipeline, Python, TensorFlow, PyTorch, scikit-learn, C#, PowerShell, SQL, JavaScript, UML, Docker, Git, GitHub, Jenkins, Bamboo, TeamCity, SpecFlow, Cucumber, Protobufs, Thrift, Avro, JSON, ODBC, Kafka, Angular, React
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1mo
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Head Junior High Girls Basketball Coach (First Assistant)
Manheim, Pennsylvania, United States
$4k-$9k/yr OnsitePart Time
Manheim Central School District
Manheim Central School District: Provides K-12 public education for the Manheim community.
3+ YOEPrefer 1–3 years coaching experience (3 years preferred), knowledge of basketball skills/strategies, ability to develop practices and lead a junior high girls program; college degree preferred; citizenship/residency or work visa required.
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2mo
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Software Engineer - AI Augmented Development
Wayne, Pennsylvania, United States
HybridFull Time
PowerPay
PowerPay: Digital lending platform for home improvement and healthcare loans.
1+ YOEProficient in Python and SQL; strong AWS experience; able to use AI-assisted development tools; effective communicator.
Python, SQL, AWS, Snowflake (nice to have), AI tools (Claude Code, OpenAI Codex, Cursor, Copilot), CloudFormation or CDK, Terraform (nice to have), SQL
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1mo
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API Developer/Programmer
Aberdeen Proving Ground, Maryland, United States
$90k-$150k/yr OnsiteFull Time
SURVICE Engineering
SURVICE Engineering: Engineering services and survivability analysis for defense systems.
2+ YOEBachelor's degree in a technical field and 2+ years experience. Experience with web/API development, MongoDB, PostgreSQL, Microsoft Azure, Keycloak, Java, cloud/containerization, information systems security, and Agile.
MongoDB, PostgreSQL, Microsoft Azure, Keycloak, Java
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1w
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Software Engineer
King of Prussia or Cedar Rapids
HybridFull Time
Hibu
Hibu: Provides digital marketing and advertising services to small businesses.
2+ YOE2+ years web development experience; proficiency with Node.js, Next.js, TypeScript, Postgres/MongoDB, REST APIs, AWS services; experience with CI/CD, CDK, Git; Bachelor's in CS or equivalent experience; strong communication.
Devin, CDK, CircleCI, LaunchDarkly, Node.js, Next.js, Typescript, Postgres, MongoDB, API Gateway, Lambda, SQS, SNS, CloudWatch, CloudFormation, S3, Git
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2w
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2440AS - Software Engineer I
Aberdeen, Maryland, United States
$75k-$98k/yr OnsiteFull Time
Techximius: Provides specialized IT and engineering services for defense missions.
1+ YOEBachelors in computer science or similar, 1-5 years software programming experience, proficiency in Java/C/C++/Python/JavaScript, experience with backend/microservices/web development, strong communication and documentation skills, current DoW clearance required.
Java, C/C++, Python, JavaScript, Node.js, Vue.js, Windows, Linux, Android, UML
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4d
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Mechanical Engineer
Lancaster, Pennsylvania, United States
HybridFull Time
Keenfinity
Keenfinity: Manufacturer of security and professional communication technology systems.
5+ YOEBachelor's in Mechanical Engineering,5+ years electromechanical product development experience,MCAD/ECAD fluency (Creo preferred),GD&T,simulation,design for manufacturability,mentoring junior engineers.
Creo, GD&T
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1w
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Jr. Software Developer
Mechanicsburg, Pennsylvania, United States
$70k-$80k/yr HybridFull Time
Connected Logistics
Connected Logistics: Provides IT and logistics services for government defense agencies.
Bachelor's or equivalent experience; understanding of OOP, web dev, relational databases; exposure to C#, VB.NET, .NET, JavaScript, SQL; Git experience; U.S. citizen with current T3 investigation; ability to work onsite three days/week.
C#, VB.NET, .NET, .NET 8, JavaScript, SQL, Git, React, Angular, jQuery, SQL Server, Entity Framework, APIs
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