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138 java python developer jobs at 42 companies in Lancaster, PA

1w
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Senior Lead Software Engineer - Java/AWS/Python
Plano or Wilmington
OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
10+ YOEExpertise in Java, Python, AWS, Terraform and cloud-native development; experience with Kafka and automation; demonstrated software design, delivery, and team leadership with significant industry experience.
Java, Python, AWS, EKS, S3, Lambda, EMR, Terraform, Kafka, Databricks
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2mo
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Lead Software Engineer II – Java & Python
Wilmington, Delaware, United States
$100k-$135k/yr RemoteMultiple Commitments Available
Best Egg
Best Egg: Provides personal loans and credit cards for prime borrowers.
4+ YOE4-6 years professional software engineering; strong backend Java and Python; SQL/data modeling; AWS; DynamoDB, RDS, PostgreSQL; CI/CD; Docker; ECS/EKS; CloudWatch/Datadog; excellent communication and collaboration.
AWS, Docker, Kubernetes, ECS, EKS, CloudWatch, Datadog, DynamoDB, RDS, PostgreSQL, DocumentDB, CI/CD
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2w
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Full Stack Mid-level Java Software Engineer
Wilmington, Delaware, United States
$64k-$106k/yr OnsiteFull Time
WSFS Bank
WSFS BankNASDAQ: WSFS: Provides regional banking, wealth management, and cash logistics services.
3+ YOEBachelor's degree in CS or related, 3+ years Java-focused software development, experience with Spring Boot, microservices, Azure, Kubernetes, CI/CD, monitoring tools, testing frameworks, and security best practices.
Java, Python, JavaScript, C#, Spring Boot, RESTful, Azure, Kubernetes, CI/CD, Prometheus, Grafana, Datadog, JUnit, Mocha, Terraform, CloudFormation, SQL, NoSQL
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2w
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Associate, Financial Platform Engineer (Java) / Wilmington, DE
Wilmington, Delaware, United States
$115k-$145k/yr HybridFull Time
BlackRock
BlackRockNYSE: BLK: Provides investment management and financial technology services globally.
4+ YOEB.S./M.S. in STEM,4+ years enterprise software development; strong Java stack experience; knowledge of databases, cloud, distributed systems, Python and data libraries; agile experience.
Java, Spring, JDBC, Hibernate, JBoss, Maven, Jenkins, JUnit, Python, pandas, numpy, scipy, cvxpy, SQL, NoSQL, Oracle, Sybase, Snowflake, ETL, RESTful Webservices, HTTP-JSON, gRPC, Microsoft Azure, Apache Ignite, Hazelcast, Angular, React, Unix/Linux, Git, JIRA, ADO, Azure Pipelines, BlackRock Aladdin, OCI
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1mo
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IS Developer
Exton or Lexington or Peachtree City or Bridgman or Holland or Detroit or Houston
HybridFull Time
Convergix Automation Solutions
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
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1mo
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Software Developer
Belcamp, Maryland, United States
$83k-$140k/yr OnsiteFull Time
ManTech
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.
Java, Python, C#, JavaScript, Linux, Windows
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1mo
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IS Developer
Exton or Lexington or Peachtree City or Bridgman or Holland or Detroit or Houston
HybridFull Time
Convergix Automation Solutions
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
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1w
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Contract Associate Development Engineer
Hunt Valley, Maryland, United States
$82k/yr OnsiteContract, Full Time
Sinclair
SinclairNASDAQ: SBGI: Operates television stations and produces news and sports programming
0.5+ YOEBachelor's in CS or equivalent experience, ~6 months application/web development, proficiency with JavaScript/Java/Node.js/React/Python/SQL/NoSQL, familiarity with CI/CD and cloud-native architectures.
JavaScript, Java, Express, Node.js, MySQL, MongoDB, Mongoose, Python, ReactJS, jQuery, HTML5, CSS, CI/CD, IAC, AWS, Databricks, Docker, Kubernetes, Terraform
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4d
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Engineer, Site Reliability
Malvern or Charlotte
HybridFull Time
Vanguard
Vanguard: Provides mutual funds, ETFs, and investment management services.
8+ YOE8+ years experience with 2+ years development; expertise in distributed systems, Java/JavaScript, AWS, OpenTelemetry, Python, observability, cloud-native and production reliability.
Java, JavaScript, AWS, OpenTelemetry, Python
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3w
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Software Engineer III
King of Prussia or United States
RemoteFull Time
Vertex
VertexNASDAQ: VERX: Automates global indirect tax calculation and compliance for enterprises.
5+ YOEBachelor's degree in CS/IT, 5+ years development experience across Linux/Windows/IBM i, CI/CD, ERP integrations; proficiency in Python, Java, C/C++, PL/SQL, REXX; experience with cloud, containers, and tax domain.
Linux/Unix, Windows, IBM Power Systems (IBM i), Python, Shell, Git, GitHub, Jenkins, REXX, RPG, COBOL, C/C++, Java, PL/SQL, Oracle, Workday, Microsoft, SAP, AWS, Kubernetes, Selenium, Cypress, Microsoft Copilot
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2mo
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Software Engineer Sr Staff
King of Prussia, Pennsylvania, United States
$134k-$267k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
US citizen able to obtain/maintain Top Secret/SCI; development experience in Java, JavaScript, or Python; containerization (Kubernetes/Helm/Docker); cloud (AWS/Azure/OpenStack/OpenShift); Agile (JIRA/Confluence); CI/CD and automated testing experience.
GitLab, Kubernetes, Docker, Rancher, JavaScript, Java, Python, Helm, AWS, Azure, OpenStack, OpenShift, JIRA, Confluence, Linux, bash, ash, ksh
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4d
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Software Engineer / Electrical Engineer
Chesterbrook, Pennsylvania, United States
OnsiteFull Time
Arcfield
Arcfield: Systems engineering and mission support for defense and space.
0+ YOEBachelor's in engineering, physics, math, CS or similar; 0-2 years experience; ability to obtain TS/SCI w/ Polygraph; strong analysis skills; written and verbal communication; experience with Matlab/Python/Perl/Java/C++/R.
Matlab, Python, Perl, Java, C++, R
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3w
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Senior Software Engineer
Aberdeen, Maryland, United States
$90k-$198k/yr OnsiteFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
10+ YOE10+ years software engineering experience in Defense, BA/BS or equivalent experience, proficiency with C++, Java, Python, C#, secure coding and Defense standards, DoD cybersecurity certification preferred.
C++, Java, Python, C#, Git, SVN, CI/CD, automated testing tools
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1mo
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Technology Consultant 2
Addison or Newark or Pennington or Plano or Delaware or New Jersey or Texas or United States
$76k-$120k/yr OnsiteFull Time
Infosys
InfosysNYSE: INFY: Provides IT consulting, software development, and business outsourcing services.
Bachelor's or equivalent (or progressive experience), strong hands-on Core Java and React, proficiency with Spring Boot, Python, PL/SQL, Agile experience, generative/agentic AI familiarity, SDLC and testing experience, strong communication.
Core Java, React JS, Spring Boot, Python, PL/SQL, Reactive Programming, Generative AI, Agentic AI
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1mo
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Radio Services Software 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 in CS/SE (or equivalent experience), 10+ years software engineering with 3+ years on DoD communications, proficiency in C++, Java, or Python, secure coding and networking protocols knowledge, active DoD Secret clearance.
C++, Java, Python, VENOM, Agile, DevSecOps
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5d
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Journeyman Software Developer
United States or Aberdeen
RemoteFull Time
Eagle Integrated Services
Eagle Integrated Services: EIS provides IT and technical services to government agencies.
1+ YOEBachelor's degree,1+ years application development experience,Palantir Foundry experience preferred,Proficiency in Python,Java,JavaScript,ETL and data integration experience,Secret clearance preferred.
Palantir Foundry, Python, Java, JavaScript
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2mo
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Principal Software Engineer, Field Engineering
Aberdeen Proving Ground, Maryland, United States
$160k-$220k/yr OnsiteFull Time
Raft
Raft: Builds AI and data platforms for U.S. national defense.
5+ YOE5+ years hands-on software engineering; active Secret clearance; backend Go/Java/Rust; DevSecOps; Kubernetes; Bash/Python; Army-domain knowledge; customer-facing; Security+ readiness; willing to relocate to APG.
Go, Java, Rust, Kubernetes, Helm, CI/CD, Infrastructure as Code, Bash, Python, RMF
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2mo
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Application/Agentic AI Engineer
Aberdeen, Maryland, United States
HybridFull Time
NextGen Federal Systems
NextGen Federal Systems: Provides advanced software engineering and mission support to federal agencies.
3+ YOE3+ years in software engineering or AI integration; BS in CS/Software/ Data/IS; proficient in Python/JS/TS/Java; API/microservice experience; LLMs and AI orchestration familiarity; cloud-native with Docker/Kubernetes; SDLC/DevSecOps/CI/CD; Git; strong problem-solving; active security clearance.
Python, JavaScript, TypeScript, Java, APIs, Microservices, Data services, Docker, Kubernetes, Git, CI/CD, SDLC, DevSecOps
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1w
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Lead Data Engineer
Wilmington or McLean
$179k-$225k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor's degree, 4+ years application development, 2+ years big data, 1+ year cloud experience, proficiency in Java/Scala/Python and data engineering tools.
Java, Scala, Python, Redshift, Snowflake, MapReduce, Hadoop, Hive, EMR, Kafka, Spark, Gurobi, MySQL, Mongo, Cassandra, UNIX/Linux, AWS, Microsoft Azure, Google Cloud, SQL
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5d
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Senior Software Engineer – Forward Deployed (Fort Meade)
Fort Meade or Mechanicsburg
$159k-$184k/yr OnsiteFull Time
Cubic
Cubic: Develops defense training systems and public transit fare technology.
5+ YOEActive Secret clearance, Bachelor’s in CS or related (or equivalent), 5+ years software/DevOps experience, proficiency with Python/Node.js/Java/ C++ and Linux, Kubernetes, Git, Docker, GitLab CI/CD, strong troubleshooting and communication skills.
Python, Node.js, JavaScript, Java, C++, Linux, Git, Docker, Kubernetes, GitLab CI/CD, Ansible, PowerShell, Bash, PostgreSQL, REST APIs, GitHub Copilot, ChatGPT, Claude Code, Codex
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