42 senior software engineer python jobs at 29 companies in York, PA

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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Senior Software Engineer
New York City or Asbury Park or Boston or Chicago or Baltimore
$160k-$180k/yr HybridFull Time
Solar Landscape
Solar Landscape: Develops and operates commercial rooftop solar energy projects.
5+ YOE5+ years software engineering experience; lead full-stack development with TypeScript, Node.js, Python, Next.js, Tailwind CSS; experience with Microsoft Azure, Azure DevOps, GitHub, Jira, EMU/AI-enabled features, and leading/mentoring engineers.
TypeScript, Node.js, JavaScript, Next.js, Tailwind CSS, Python, Microsoft Azure, Microsoft Azure DevOps, GitHub, Jira, Figma, Microsoft Dynamics, Microsoft Business Central, Microsoft PowerApps, Microsoft Power BI
2w
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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
3mo
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Senior Software Developer
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
Parsons
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.
Python, C++, Java, C#, Go, Docker, Kubernetes, CI/CD
1mo
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SENIOR SOFTWARE DEVELOPER/ENGINEER (CLOUD/CYBER)
Huntsville or Aberdeen or Colorado Springs or Crestview or Tupelo
OnsiteFull Time
Sentry Construction
Sentry Construction: Provides general contracting and comprehensive property maintenance services.
7+ YOEBS in CS/Software Eng or equivalent, 7+ years software development experience, DoD Top Secret/SCI eligibility, experience with Python, containers, AI/LLMs, databases, Linux, AWS, and Agile/Scrum.
LLMs, Ollama, LM Studio, Python, C#, Go Lang, React, JavaScript, HTML, CSS, Git, Docker, Bash, TensorFlow, PyTorch, SQL, MongoDB, PostgreSQL, Redis, Linux, AWS, RESTful API, Agile/Scrum
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
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
1w
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Software Engineer 3 (D26)
Fort Meade or Anne Arundel County or Howard County or Baltimore
OnsiteFull Time
Davis Unlimited Information Technologies
Davis Unlimited Information Technologies: Provides IT consulting and systems engineering for government agencies.
20+ YOE20+ years software engineering experience, active TS/SCI clearance, Bachelor’s in CS or related (or equivalent experience), strong architecture and leadership skills, experience with Java, Python, CI/CD, containers, and agile methods.
Java SE, Python, Git, Shell/bash, Nexus, Maven, JavaScript/HTML5/CSS3, JUnit, IDEs, Docker, Kubernetes, OpenShift, GitLab CI, SonarQube, Spring Framework, Spring Tool Suite, Grit, Jenkins, Hibernate, MySQL, Web Services, Google Web Toolkit, Vaadin
2w
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Principal Software Engineer
United States or Vienna or Baltimore
$220k-$372k/yr OnsiteFull Time
NetApp
NetAppNASDAQ: NTAP: Sells enterprise data storage and cloud management software.
12+ YOE12+ years software development experience with expertise in cloud-native, storage and data management; proficiency in NFS/SMB/iSCSI and programming in C/C++/Golang/Node.js/Python.
C, C++, Golang, Node.js, Python, NFS, SMB, iSCSI, Docker, Kubernetes, GitHub, Jenkins, Ansible
3mo
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1650 - Software Developer
Belcamp, Maryland, United States
$83k-$140k/yr OnsiteFull Time
Sigma Defense: Develops tactical communications and intelligence systems for defense.
10+ YOE10+ years in software development; 5+ years DoD software support; strong requirements analysis, architecture, and coding skills; Java, Python, C#, and JavaScript; ability to document software; U.S. citizen; Secret security clearance or higher; Bachelor's Science degree.
Java, Python, C#, JavaScript
1w
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Senior Software Engineer Applied AI
Harrisburg or United States
RemoteFull Time
AMC Health
AMC Health: Provides remote patient monitoring and virtual care technology.
7+ YOE7+ years building and operating production backend systems, strong Python skills, distributed systems/cloud experience, hands-on LLM/generative AI and traditional ML lifecycle experience, disciplined data handling in regulated environments.
Python, AWS, LLM
1mo
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Software Developer, Intermediate
Chambersburg, Pennsylvania, United States
$110k/yr HybridFull Time
AGE Solutions
AGE Solutions: Technology consulting and IT services for government agencies.
5+ YOEBachelor's degree, 5+ years software development, 2+ years full‑stack (React/Vue/Angular and Node.js/Python/Java), DoD 8140 qualification (DoD 8570 IAT II), and active DoD Secret clearance.
React, Vue, Angular, Node.js, Python, Java, AWS, Azure, Docker, Kubernetes
1w
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Full Stack Senior Software Engineer– Investment Risk Technology
Baltimore or Washington or Maryland or Colorado or Washington or New York or California
$121k-$258k/yr HybridFull Time
T. Rowe Price
T. Rowe PriceNASDAQ: TROW: Provides global investment management and retirement planning services.
5+ YOEBachelor's degree or equivalent,5+ years software engineering experience,proficiency in object-oriented languages (C#/.NET),cloud-native AWS experience,SQL skills,automated testing and CI/CD practices.
C#, .NET, PostgreSQL, React, AWS, SNS, SQS, S3, Lambda, ECS, DynamoDB, Snowflake, Dagster, Python
1mo
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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
1w
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Senior Software Engineer (Technical Lead) BSI - (Claude, GitHub, Python, NET/C#, Angular, AWS)
Hartford or Saint Paul or Hunt Valley
$139k-$230k/yr HybridFull Time
Travelers
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
5+ YOE5+ years software engineering experience,1+ year shipping production LLM/AI systems preferred,Bachelor's in CS or STEM or equivalent,experience leading technical direction and driving GenAI adoption.
Claude, GitHub, Python, NET/C#, Angular, AWS, OCF, Mongo, DocumentDB, SQL Server, Claude Agent SDK, LangGraph, AgentCore, Anthropic, OpenAI
2w
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Principal Software Engineer
Baltimore or Seattle or Vienna or United States or United States
$220k-$372k/yr HybridFull Time
NetApp
NetAppNasdaq: NTAP: Provides intelligent data infrastructure for hybrid cloud environments.
12+ YOE12+ years software development, 5+ years data management/storage experience, 3+ years cloud-native and SOA expertise, proficiency with storage protocols and listed programming tools, strong communication and architectural skills.
C, C++, Golang, Node.js, Python, Docker, Kubernetes, GitHub, Jenkins, Ansible, CI build systems, Automated Testing, NFS, SMB, iSCSI
2mo
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Senior Staff Engineer - Financial Substantiation Platform *Hybrid*
Bethesda or Dallas or Washington or Falls Church or Baltimore or Seattle
$120k-$260k/yr HybridFull Time
GEICO
GEICO: Provides vehicle and property insurance services to consumers.
10+ YOESenior software engineer with 10+ years, architecture leadership, distributed systems, cloud, and data-focused reconciliation platforms. Strong collaboration with Finance, Compliance, and Product.
Java, C#, Go, REST, gRPC, SQL, AWS, Azure, GCP, CI/CD, Containers, IaC, DevOps, Kubernetes, Kafka, Snowflake, Airflow, Python, PySpark, Snowpark
2d
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Embedded Software Engineer (Hybrid- Aberdeen, Maryland)
Aberdeen Proving Ground or United States
$130k-$160k/yr HybridFull Time
Fairwinds Technologies
Fairwinds Technologies: Designing and integrating communication systems for defense agencies
8+ YOE8+ years embedded Linux software experience on Xilinx UltraScale+ with PetaLinux, C/C++ and scripting, PCB bring-up support, device driver development, and DoD Secret clearance eligibility.
Xilinx UltraScale+, PetaLinux, C, C++, Bash, Python, SVN, Git, JTAG, UART, logic analyzer, gdb, strace, perf, dmesg, Vivado, Vitis, Yocto, Buildroot
2mo
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Lead Software Engineer - Facets ITS Claims (Remote)
Baltimore, Maryland, United States
$115k-$229k/yr RemoteFull Time
CareFirst BlueCross BlueShield
CareFirst BlueCross BlueShield: Provides health insurance coverage and administrative healthcare services.
8+ YOELead software teams; 8+ yrs exp; Facets ITS, API/microservices; cloud; BS in IT/CS or 4 yrs additional experience.
Facets, FXI, APIs, Java, JavaScript, Python, IBM MQ, AWS, Azure, Oracle, SQL Server, MongoDB, PostgreSQL, CI/CD, Microservices
1w
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Full Stack Senior Software Engineer– Investment Risk Technology
Baltimore, Maryland, United States
$121k-$206k/yr HybridFull Time
T. Rowe Price
T. Rowe PriceNASDAQ: TROW: Global investment management firm providing funds and retirement services.
5+ YOEBachelor's or equivalent, 5+ years software engineering in object-oriented languages (C#/.NET, Java, etc.), cloud-native AWS experience, SQL proficiency, distributed systems and automated testing experience.
C#, .NET, PostgreSQL, React, AWS, SNS, SQS, S3, Lambda, ECS, DynamoDB, Snowflake, Dagster, Python, SQL, HireVue
3w
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HPC Scientific Software Engineer (IT@JH Research Computing)
Baltimore, Maryland, United States
$86k-$150k/yr RemoteFull Time
Johns Hopkins University
Johns Hopkins University: A private research university providing higher education and clinical healthcare.
5+ YOEMaster's in CS or related, 5+ years HPC user support and software deployment experience, hands-on with SLURM, Python/Perl/C/C++/Shell, Linux, containerization, Spack/EasyBuild/CMake, performance optimization and user support.
SLURM, Ansible, XDMoD, Coldfront, Open OnDemand, CryoSPARC Live, SBGrid, NVIDIA, Intel, MATLAB, CUDA, DNN, TensorRT, Intel Compilers, CMake, Make, EasyBuild, Spack, Lua, Python, Perl, C/C++, Shell