525 sr software engineer jobs at 216 companies in Townsend, DE

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
2mo
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Sr. Software Engineer
Philadelphia or New Jersey or Delaware or New York or Maryland or Florida or South Carolina or Texas or Virginia or Georgia
HybridFull Time
FreedomPay: A fast-growing payments and commerce technology delivering secure solutions globally.
7+ YOE7+ years in application development and testing; strong web, SPA, and backend skills; security-focused; Agile experience; strong English communication.
.NET, SQL Server, MVC, jQuery, React, Angular, Redux, TypeScript, JWT, Git, HTML, CSS, Websockets
2mo
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Sr Software Developer
Annapolis Junction or Columbia
$174k-$220k/yr OnsiteFull Time
ELEVI Associates
ELEVI Associates: Provides cyber security and IT engineering for federal agencies.
20+ YOEActive security clearance with FS Poly; 20+ years as a software engineer in similar scope, or 4+ years of experience
Java, PostgreSQL, Database design, RESTful API, Docker, Power BI, Python, Power Query M, MariaDB, Elasticsearch
1mo
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Sr. Principal Cyber Software Engineer
Annapolis Junction or San Antonio or Aurora or Carey
$149k-$235k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
8+ YOEBachelor's degree in computer science, information systems, or network engineering with 8+ years experience; strong C/C++, Java, Python; CNO tools; Windows/.NET and Unix/Linux development.
C, C++, Java, Perl, Python, Visual Studio, NET, Unix/Linux, Makefiles
1w
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M2S2 SETA - Sr Software Engineer
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
Semper Valens Solutions
Semper Valens Solutions: Provides systems engineering, software development, and technical support services.
10+ YOE10+ years software engineering experience, Bachelor’s in CS or related, Secret clearance required, experience with DoD SDLC, radar/signal processing, Agile/DevSecOps, MOSA, testing and QA.
software development lifecycle (SDLC), Agile, DevSecOps, Modular Open Systems Approach (MOSA)
3w
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Sr. Software Engineer - AI Agentic
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
7+ YOE7+ years building production agentic AI systems or equivalent software experience; hands-on with Agent Development Kit (ADK) and Python; experience with Gemini Enterprise; strong prompt engineering and AI-integrated SDLC skills.
Agent Development Kit (ADK), Gemini Enterprise, Python, AgentOps, MLOps
1mo
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Sr. Software Engineer
Wayne or Naperville
$120k-$135k/yr HybridFull Time
Frontline Education
Frontline EducationNYSE: ROP: Provides administrative and management software for K-12 school districts.
5+ YOE5–7 years backend engineering or intelligent systems with production impact; strong Python, CI/CD, and system design; experience with ML model APIs and cloud inference; familiarity with vector databases and retrieval systems.
Python, CI/CD, AWS Bedrock, Azure OpenAI, Google Vertex AI, PyTorch, Hugging Face Transformers, vLLM, FAISS, Pinecone, OpenSearch/KNN, LangChain, LlamaIndex, MLflow, Weights & Biases, Prometheus
2mo
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Sr. Software Engineer
Camden, New Jersey, United States
$116k-$127k/yr HybridFull Time
Subaru of America
Subaru of America: Distributes automobiles and services in the United States.
6+ YOE6+ years full stack development with .NET/C#, REST APIs; Dynamics 365/Dataverse; Azure; Power Platform; SDLC/DevOps; Bachelor's degree.
.NET, C#, SQL Server, REST APIs, Azure, Microsoft Dynamics 365, Dataverse, Power Apps, Power Automate, Azure DevOps, Git, CI/CD
3w
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Sr Principal Embedded Software Engineer
Baltimore, Maryland, United States
$136k-$204k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
8+ YOEBachelor's in CS/Engineering +8 years related experience, US citizenship, active Secret clearance and SAP eligibility, 6+ years C/C++ and real-time embedded software, full software lifecycle experience, EM/DevSecOps familiarity.
C, C++, VxWorks, Linux, Microsoft Visual Studio, MATLAB, Coverity, SonarQube, Clockwork, Atlassian, Kubernetes, Model Based Engineering, DevSecOps
1mo
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Sr. Software Engineer -Identity & Access Mgt
Annapolis Junction, Maryland, United States
OnsiteFull Time
Entegra Systems
Entegra Systems: Provides engineering and intelligence analysis for government missions.
8+ YOEBachelor's degree; 8 years software engineering experience (12 with degree substitution); 3 years in SIGINT/IA/IT; TS/SCI with Poly clearance.
Linux, Java, Eclipse, REST, Tomcat, WebLogic, LDAP, PKI, RedHat Directory Server, XML/HTML
2mo
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Sr. Embedded Software Engineer I
Philadelphia, Pennsylvania, United States
OnsiteFull Time
FORT Robotics
FORT Robotics: Wireless safety systems for autonomous machines and industrial robotics.
6+ YOE6+ years embedded software development; 2+ years in safety-critical or regulated products; strong C/C++ skills; deep Linux/RTOS experience; hardware Bring-Up and debugging expertise; safety standards knowledge; BS in a related field.
C, C++, Embedded Linux, RTOS (Zephyr, FreeRTOS), Python, GitLab, JTAG, GDB, Oscilloscopes, Logic analyzers, BSP, Device drivers, Networking (IP), UART, SPI, I2C, USB, CAN
4d
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Software Engineer
Baltimore, Maryland, United States
$100k/yr HybridFull Time
Internet Testing Systems
Internet Testing Systems: Provides secure software for managing and delivering online assessments.
5+ YOEBachelor's in computer science or related,5+ years software engineering experience,proficiency in C# and SQL Server,experience with CI/CD and Agile,security best practices,pass background and credit check.
C#, SQL Server, CI/CD, Agile
2mo
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Sr. Principal Software Engineer
Wilmington or Columbus
OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
Extensive experience in system design, application development, testing, and operations; expert in one or more programming languages; cloud-native, scalable systems; strong leadership and communication.
Java, Python, C++, Cloud, Kubernetes, CI/CD
1mo
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Software Engineer - PM C2T
Aberdeen, Maryland, United States
$130k-$170k/yr OnsiteFull Time
JANUS Research Group
JANUS Research Group: Provides specialized engineering and technical services for defense organizations.
10+ YOE10+ years software engineering experience, active Secret clearance, bachelor’s in CS/Software Engineering or equivalent, proficiency in C++, Java, or Python, secure coding and networking knowledge, strong communication skills.
C++, Java, Python, VENOM
4w
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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
2d
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Senior Software Engineer
Baltimore, Maryland, United States
$140k-$160k/yr RemoteFull Time
Impruvon Health
Impruvon Health: Automated medication management and clinical workflow platform for providers.
5+ YOE5+ years software engineering experience, ownership of features from design to production, deep Ruby on Rails backend expertise, relational DB design, strong communication; React and Flutter experience preferred.
Ruby on Rails, React, Flutter, AWS, ECS, RDS, S3
3w
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Distinguished Software Engineer
McLean or New York or Wilmington or Philadelphia
$269k-$307k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
7+ YOEBachelor's degree and 7+ years software engineering experience, 7+ years cloud (AWS), 5+ years across multiple domains or professional services; strong architecture, mentoring, and stakeholder communication skills.
AWS, Java, Python, Go, JavaScript, TypeScript, Fargate, Lambda
2d
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Senior Software Engineer
Baltimore, Maryland, United States
$140k-$160k/yr RemoteFull Time
Impruvon Health
Impruvon Health: Software and hardware for medication management in care settings.
5+ YOE5+ years software engineering experience; strong Ruby on Rails backend skills; product-minded; experience with React and Flutter, relational databases, security and reliability (HIPAA/SOC 2); strong communication.
Ruby on Rails, React, Flutter, AWS, ECS, RDS, S3
1mo
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Lead Software Engineer
Newark, Delaware, United States
$128k-$201k/yr OnsiteFull Time
Hologic
HologicNASDAQ: HOLX: Develops medical technology for women's healthcare and diagnostics.
6+ YOE6+ years software engineering experience building cloud and edge systems; experience in regulated environments, secure development practices, QMS familiarity, AI integration, Agile and version control proficiency; degree in CS/SE/STEM.
Microsoft Azure, Google Cloud Platform (GCP), Agile
3mo
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Software Engineer 3 - III
Annapolis Junction, Maryland, United States
RemoteFull Time
InterImage
InterImage: Provides IT modernization and cybersecurity services to federal government agencies.
12+ YOE12+ years software engineering experience on complex programs; bachelor's in CS; 4 additional years may substitute for degree.
React, JavaScript, node.js, Rust, Python, shell script, Kubernetes, Helm, Micro-Services, Service-mesh, Load Balancing, Cloud Migration, nifi, JEST, Grafana, InfluxDb, Elasticsearch, Redis, mysql, Apache Superset, RabbitMQ, Kafka, Ansible, Salt, Terraform, Web-Sockets, JBLOCKS, CASPORT, Neo4j
3d
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Sr. Backend Software Engineer (NodeJS)
United States or Minneapolis or Philadelphia or New Hartford or Austin or Champaign or Chicago
$140k-$160k/yr RemoteFull Time
PAR Technology
PAR TechnologyNYSE: PAR: Provides unified software and hardware for restaurant operations.
8+ YOEExpertise in Node.js/Typescript and PostgreSQL, 8+ years backend experience with distributed systems, GraphQL, TypeORM, Nest.js; familiarity with Kubernetes, message brokers, AWS, Terraform.
Typescript, NodeJS, Ruby, Rails, PostgreSQL, GraphQL, TypeORM, Nest.js, RabbitMQ, RMQ, React, AWS, Terraform, Helm, Kubernetes, EKS, Microsoft Teams

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