214 senior software developer jobs at 87 companies in Delaware

1d
Save
Mark Applied
Hide
Senior Lead Software Engineer
Jersey City or Wilmington
$176k-$260k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services and investment banking firm.
5+ YOERequires formal software engineering training or certification, 5+ years of applied experience, advanced programming skills, cloud-native experience, and expertise using AI-assisted development tools securely and responsibly.
Go, Python, Kubeflow, MLflow, PyTorch, TensorFlow, Hugging Face, scikit-learn
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Richmond or Lynchburg or Alabama or Arkansas or Connecticut or Delaware or Florida or Georgia or Illinois or Indiana or Iowa or Kansas or Kentucky or Louisiana or Maine or Maryland or Massachusetts or Michigan or Minnesota or Mississippi or Missouri or Nebraska or New Hampshire or New Jersey or New York or North Carolina or North Dakota or Ohio or Oklahoma or Pennsylvania or Rhode Island or South Carolina or South Dakota or Tennessee or Texas or Vermont or Virginia or West Virginia or Wisconsin or Nebraska or Missouri or Maryland or District of Columbia
$97k-$145k/yr HybridFull Time
Genworth Financial
Genworth FinancialNYSE: GNW: Public U.S. insurance holding helping families fund long-term care and providing private mortgage insurance.
8+ YOE8+ years IT experience, 5+ years full SDLC web development using JavaScript/HTML, experience with Java, AngularJS v1, OpenText Exstream, MySQL, ability to lead offshore teams and supervise third-party suppliers.
AngularJS v1, HTML5, CSS3, JavaScript, Java, OpenText Exstream, MySQL
2mo
Save
Mark Applied
Hide
Senior Software Engineer
Connecticut or West Virginia or South Carolina or Pennsylvania or New Hampshire or Hawaii or California or Michigan or Kentucky or Arizona or New Mexico or Nevada or Florida or Alaska or Washington or Oregon or Texas or Alabama or Mississippi or Tennessee or Illinois or Wisconsin or Louisiana or Arkansas or Missouri or Iowa or Minnesota or Oklahoma or Kansas or Nebraska or South Dakota or North Dakota or Colorado or Wyoming or Idaho or Montana or Utah or Vermont or North Carolina or Massachusetts or Georgia or Rhode Island or New York or Maryland or Delaware or Virginia or Ohio or New Jersey or Maine
$110k-$140k/yr RemoteFull Time
Worksoft
Worksoft: Private enterprise test-automation software serving global businesses with codeless business-process testing.
10+ YOE10+ years web development experience (C#, .NET, ASP.NET Core) and production AI/ML experience (LLMs, PyTorch/TensorFlow, LangChain, etc.); Bachelor’s in CS/Engineering or 15+ years experience; strong problem solving and customer-facing troubleshooting skills.
OpenAI, Azure OpenAI, Anthropic Claude, Gemini, PyTorch, TensorFlow, scikit-learn, ML.Net, LangChain, Semantic Kernel, RAG, vector databases, LLMs, ASP.Net Core, Web APIs, REST, JWT, OAuth, Azure AD/Entra ID, Blazor, Angular, MS Sql Server, EF Core, WinForms, WPF, .Net MAUI, Service Bus, Kafka, MSBuild, Git
4d
Save
Mark Applied
Hide
Senior Software Engineer, Platform Experience
United States or Wyoming or Wisconsin or West Virginia or Washington, D.C. or Washington or Virginia or Vermont or Utah or Texas or Tennessee or South Dakota or South Carolina or Rhode Island or Pennsylvania or Oregon or Oklahoma or Ohio or North Dakota or North Carolina or New York or New Mexico or New Jersey or New Hampshire or Nevada or Nebraska or Montana or Missouri or Mississippi or Minnesota or Michigan or Massachusetts or Maryland or Maine or Louisiana or Kentucky or Kansas or Iowa or Indiana or Illinois or Idaho or Hawaii or Georgia or Florida or Delaware or Connecticut or Colorado or California or Arkansas or Arizona or Alaska or Alabama
$165k-$215k/yr RemoteFull Time
Prescryptive Health
Prescryptive Health: Healthcare technology helping consumers, employers, pharmacies, pharma, and health systems manage prescription costs and access.
8+ YOE8+ years of software engineering experience; deep React and TypeScript expertise; MUI or comparable design system experience; accessibility, multi-tenant architecture, AI-assisted development, regulated data, and strongly typed API experience.
React, TypeScript, MUI, Material UI, Ant Design, Chakra, ARIA, Claude Code
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Pennsylvania or Maryland or Washington or North Carolina or Louisiana or Kentucky or Kansas or Indiana or Illinois or Georgia or Iowa or Florida or Colorado or California or Delaware or Connecticut or Arkansas or Arizona or Alabama or Alaska or Nevada or Vermont or Tennessee or Idaho or Oklahoma or Hawaii or Mississippi or Utah or New Hampshire or New Mexico or Wyoming or North Dakota or South Dakota or Rhode Island or West Virginia or Montana or Texas or District of Columbia or Ohio or New Jersey or Oregon or South Carolina or Missouri or Virginia or Massachusetts or Nebraska or Minnesota or Michigan or Wisconsin or New York or Maine
$103k-$165k/yr RemoteFull Time
Highmark Health
Highmark Health: To create a remarkable health experience, freeing people to be their best.
5+ YOE5+ years building scalable, highly available systems; proficiency with modern languages, web services, and cloud platforms; bachelor's in CS or related; strong agile and mentoring experience.
C#, .NET, Azure, React, Angular, NodeJS, NoSQL, HTML5, CSS, Google Cloud Platform, Amazon Web Services, Java, Python, JavaScript, ACE, IIB/ITX, Informatica, Django, Flask, RTC, Jira
1mo
Save
Mark Applied
Hide
Senior Software Development Engineer
Illinois or Mississippi or Montana or North Carolina or Louisiana or Maryland or Maine or Minnesota or Nebraska or Missouri or North Dakota or New York or New Jersey or New Mexico or Nevada or Ohio or South Carolina or Texas or Rhode Island or South Dakota or Vermont or Tennessee or Virginia or Washington or Utah or Wisconsin or West Virginia or Oregon or Wyoming or Oklahoma or Pennsylvania or Colorado or Alabama or Arizona or California or Connecticut or District of Columbia or Florida or Iowa or Arkansas or Idaho or Kansas or Delaware or Georgia or Indiana or Kentucky or Michigan or Massachusetts or New Hampshire
$83k-$222k/yr RemoteFull Time
CVS Health
CVS HealthNYSE: CVS: Diversified healthcare integrating retail, pharmacy, and insurance services.
5+ YOE5+ years software engineering with Java/JEE and Spring Boot, 3+ years Kafka, CI/CD, Docker/Kubernetes, 2+ years cloud experience (GCP preferred); strong data migration, ETL, security and healthcare integration experience.
Java, JEE, Spring Boot, Spring Cloud, Apache Kafka, Python, Spring Batch, GCP, GKE, Cloud Run, Cloud Build, Cloud SQL, Pub/Sub, IAM, Secret Manager, OpenTelemetry, Docker, Kubernetes, SQL, NoSQL, OAuth 2.0, OIDC, TLS, Dataflow, Git
6d
Save
Mark Applied
Hide
Senior Software Engineer, Core Experience
United States or San Francisco or California or New York or Connecticut or New Jersey or Washington or Oregon or Delaware or Maine or Massachusetts or Maryland or New Hampshire or Rhode Island or Vermont or District of Columbia or Pennsylvania or Virginia or Colorado or Texas or Illinois or Hawaii
$214k-$221k/yr RemoteFull Time
Instacart
InstacartNasdaq Global Select Market: CART: Public grocery technology serving retailers, shoppers, consumers, and brands through marketplace, enterprise, advertising, and delivery platforms.
5+ YOEBachelor's degree in a related field and 5+ years of software engineering experience with Java, Ruby, Python, databases, API query technologies, and large codebases; 2+ years in machine learning and application architectures.
Java, Ruby, Python, MySQL, PostgreSQL, NoSQL, GraphQL
2w
Save
Mark Applied
Hide
Senior Salesforce Software Engineer
Wilmington or Philadelphia
$77k-$127k/yr HybridFull Time
WSFS Bank
WSFS BankNASDAQ: WSFS: Delaware-headquartered federal savings bank serving consumers and businesses through banking and wealth-management services.
5+ YOEBachelor's degree or equivalent experience, 5+ years of Salesforce development, JSON/XML/JavaScript/SOQL, integrations, Agile, Copado, Jira, and relevant Salesforce certifications.
Salesforce, MuleSoft, JSON, XML, JavaScript, SOQL, Copado, Jira, Salesforce Financial Services Cloud
2mo
Save
Mark Applied
Hide
Senior Software Engineer, Medical Device
Newark, Delaware, United States
$107k-$167k/yr HybridFull Time
Hologic
HologicNasdaq: HOLX: Developing medical technology focused on women's health.
5+ YOEExpert in .NET/C# and object-oriented design with strong CS fundamentals, multithreading, debugging, CI/CD and software architecture; 5+ years (Bachelors) or 4+ years (Masters) experience; mentoring and technical leadership skills; medical device experience a plus.
.NET, C#, WPF, Java, Android, C++, C, DICOM, HL7, CICD
3w
Save
Mark Applied
Hide
Sr. Software Engineer
Arizona or California or Colorado or Delaware or Florida or Georgia or Idaho or Maryland or Massachusetts or New York or North Carolina or Oregon or Pennsylvania or Texas or Utah
$170k-$200k/yr RemoteFull Time
Renew Financial
Renew Financial: Private residential PACE lender helping homeowners, contractors, and governments finance energy, efficiency, water, and resiliency upgrades.
5+ YOEBachelor’s degree, 5+ years of software development experience, Ruby on Rails, React, microservices, and independent remote collaboration; Docker, AWS, and Terraform preferred.
Ruby on Rails, Postgres, React, Docker, AWS, Terraform
1w
Save
Mark Applied
Hide
Senior Software Engineer - Wealth Technology
Wilmington, Delaware, United States
$107k-$178k/yr HybridFull Time
M&T Bank
M&T BankNYSE: MTB: A diversified financial services providing banking and wealth management.
3+ YOEAssociate degree plus 5 years or bachelor's degree plus 3 years of systems analysis/application development; 7 years combined education/experience without a degree; advanced programming proficiency required.
C#, .NET 8, .NET Core, SQL Server, Angular, REST API, Azure, Git, GitLab, Azure Data Factory, Azure Databricks, Snowflake, Microsoft Fabric, Kubernetes
2mo
Save
Mark Applied
Hide
Software Engineer, AI
United States or Alabama or Alaska or Arkansas or Arizona or California or Colorado or Connecticut or Delaware or Florida or Georgia or Hawaii or Iowa or Idaho or Illinois or Indiana or Kansas or Kentucky or Louisiana or Maine or Michigan or Minnesota or Missouri or Mississippi or Montana or North Carolina or North Dakota or Nebraska or New Hampshire or New Jersey or New Mexico or Nevada or Ohio or Oklahoma or Pennsylvania or Rhode Island or South Carolina or South Dakota or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or West Virginia or Wyoming
$125k-$145k/yr RemoteFull Time
Patch My PC
Patch My PC: Private software providing endpoint management and third-party application patching for IT and security teams.
5+ YOEBachelor's (or equivalent) and 5+ years professional software development with C#/.NET; experience with AI agent frameworks, LLMs, Transformers/OpenAI/Hugging Face, REST APIs, cloud (Azure/AWS/GCP), MongoDB, and Git.
C#, .NET, LangChain, CrewAI, AutoGPT, MetaGPT, GPT, Claude, Mistral, Transformers, OpenAI API, Hugging Face, REST APIs, Azure, AWS, GCP, MongoDB, Git, Docker, CI/CD, Azure AI Foundry, Microsoft ConfigMgr, Microsoft Intune, Microsoft WSUS
1w
Save
Mark Applied
Hide
Flight Software Engineer
San Jose or Palo Alto or Houston or United States or Colorado or New Jersey or Delaware or California
$117k-$195k/yr HybridFull Time
Lanteris Space Systems
Lanteris Space Systems: Satellite manufacturer building spacecraft and space systems for commercial, civil, and national-security customers.
5+ YOEBachelor's degree in software engineering, computer science, or related field, or four additional years' experience; 5+ years software development, embedded C++, U.S. citizenship or permanent residency required.
Real-time Operating Systems (RTOS), Embedded C++, GitLab, FreeRTOS, NASA cFS/cFE, SPI, Python, Jira, Jama, Git
3w
Save
Mark Applied
Hide
Senior Software Engineer, (Senior Consultant, Engineering & Technical Services)
Baltimore or Alabama or California or Delaware or Florida or Georgia or Maryland or New Jersey or New York or North Carolina or Pennsylvania or South Carolina or Tennessee or Texas or Virginia or West Virginia or District of Columbia
$121k-$196k/yr RemoteFull Time
Fearless
Fearless: Employee-owned digital services integrator building software, data, and cybersecurity solutions for government agencies.
8+ YOERequires 8+ years in software, platform engineering, or enterprise integration; degree or 4 additional years; RESTful APIs, cloud-native systems, CI/CD, DevSecOps, testing, Agile, and Public Trust eligibility.
GitLab, Jira, Datadog, Databricks, Figma, Confluence, Slack
5d
Save
Mark Applied
Hide
Staff Software Engineer: Growth Engineering
United States or Hawaii or California or New York City or Seattle or Washington or Texas or Connecticut or Illinois or Massachusetts or New Hampshire or New Jersey or Oregon or Rhode Island or Vermont or Alabama or Alaska or Arizona or Arkansas or Colorado or Delaware or Florida or Georgia or Idaho or Indiana or Iowa or Kansas or Kentucky or Louisiana or Maine or Maryland or Michigan or Minnesota or Mississippi or Missouri or Montana or Nebraska or Nevada or New Mexico or North Carolina or North Dakota or Ohio or Oklahoma or Pennsylvania or South Carolina or South Dakota or Tennessee or Utah or Virginia or West Virginia or Wisconsin or Wyoming
$137k-$203k/yr RemoteFull Time
ModernHEALTH
ModernHEALTH: Private workforce mental health platform providing employers’ employees and families with coaching, therapy, group support, and digital care.
8+ YOERequires 8+ years of software development experience, 2+ years of full-stack web development, and expertise with Python, JavaScript/TypeScript, React, React Native, APIs, databases, technical leadership, and mentoring.
Python, Django, Flask, FastAPI, aiohttp, GraphQL, REST, React, React Native, TypeScript, Redux, Vite, PostgreSQL, Redis, Docker, Amazon Web Services (AWS), ECS, RDS, CloudFront, SQL, bash, SSO SAML, OIDC, JWT, AI, LLM
1d
Save
Mark Applied
Hide
Embedded Software Engineer
Marlborough or Philadelphia or Fairview or Delmar or Frederick
$135k-$165k/yr HybridFull Time
Spectrum Control
Spectrum Control: Private RF, microwave, microelectronics, and electromagnetic-interference protection manufacturer serving aerospace, defense, government, medical, and commercial customers.
5+ YOEBachelor's degree in computer science, electrical engineering, or computer engineering; 5+ years of embedded software development; expert Linux and Yocto expertise; strong C/C++, Python, Bash, networking, and ARM skills.
Linux, Yocto Build Flow, GIT, Docker, C, C++, C#, .NET, Python, Bash, ARM, SPI, I2C, UART, JTAG, GDB, Altera, AMD FPGA SoCs, SCPI, VISA, GPIB, LXI/Ethernet, USBTMC, U-Boot
4w
Save
Mark Applied
Hide
Senior Java Software Engineer – Legacy Modernization
Missouri or South Carolina or Georgia or Florida or South Dakota or Minnesota or Tennessee or Illinois or Ohio or Texas or Montana or Iowa or New York or North Carolina or Idaho or Virginia or North Dakota or Alaska or Alabama or Arkansas or Colorado or Michigan or Oklahoma or Oregon or Pennsylvania or Utah or Indiana or Arizona or Kentucky or Washington or Mississippi or Puerto Rico or Massachusetts or Maryland or Delaware or Kansas or Louisiana or Vermont or Nebraska or Wisconsin or New Mexico or Nevada or California or New Jersey or Connecticut or West Virginia or Guam or District of Columbia or Rhode Island or Maine or New Hampshire or Wyoming
$117k-$219k/yr HybridFull Time
IBM Consulting
IBM Consulting: IBM's consulting division provides strategy, technology, operations and AI transformation services to businesses and governments worldwide.
7+ YOE7+ years Java development experience; familiarity with Spring Framework, Guava, Apache Commons, Guice, JPA, EMF; SQL/ORM/relational databases; CI/CD tools (Git,Maven,Gradle,Docker,Jenkins,Jira); test-driven development; bachelor’s preferred; must be authorized to work in the U.S.
Java, Spring Framework, Guava, Apache Commons, Guice, JPA, EMF, SQL, Git, Maven, Gradle, Docker, Jenkins, Jira, ANTLR, XText, Kubernetes, MVS, COBOL, JCL
1w
Save
Mark Applied
Hide
Staff Software Engineer (Platform Team)
United States or American Fork or Delaware or Hawaii or North Dakota or Rhode Island or Vermont or Puerto Rico
$140k-$170k/yr RemoteFull Time
Henry Schein One
Henry Schein One: Private dental technology providing practice-management software and services to dental practices worldwide.
10+ YOE10+ years of software development experience; expertise in architecture, testing, AI technologies, infrastructure, technical leadership, and mentoring. Bachelor's degree and AWS, Kubernetes, or Terraform certifications preferred.
Python, Node.js, Terraform, Docker, Kubernetes, Dynatrace, AWS, GitLab, Confluence, Jira, LLMs, RAG, Cursor, Claude
1mo
Save
Mark Applied
Hide
Sr Software Engineer
Pennsylvania or New Jersey or Delaware
RemoteFull Time
QVC Group, Inc.
QVC Group, Inc.NASDAQ: QVCG: A live social shopping and multi-platform retail.
7+ YOE7+ years software engineering experience, hands-on Java/Spring Boot, React/TypeScript, cloud-native on Microsoft Azure, OAuth2/identity platforms, API and data-store experience; BS in CS or equivalent preferred.
Java, Spring Boot, React, TypeScript, HTML, CSS, OAuth2, ForgeRock, Ping Identity, Microsoft Azure, Kubernetes, Microsoft Azure API Management, NGINX, SQL, NoSQL, CI/CD, Git, GitHub, Stash, Adobe Experience Manager (AEM)
1mo
Save
Mark Applied
Hide
Senior Lead Software Engineer, Full Stack (Bank Tech)
McLean or Wilmington or Philadelphia
$209k-$262k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: A technology-driven bank providing diverse financial services.
6+ YOEBachelor's degree and 6+ years of software engineering experience required; 1+ year cloud experience. Preferred: 9+ years coding, AWS, frameworks, Agile, and professional services experience.
AWS, Microsoft Azure, Google Cloud, JavaScript, Java, TypeScript, Python, Go, Fargate, Lambda