268 developer ii jobs at 130 companies in Middletown, DE

2mo
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Quality Engineer II
Philadelphia, Pennsylvania, United States
$72k-$119k/yr OnsiteFull Time
Elsevier
ElsevierLondon Stock Exchange: REL: Provides scientific, technical, and medical research information and analytics.
Design, develop, and maintain automated test frameworks using Selenium or Playwright; RESTful API testing; CI/CD/AWS; TDD; accessibility and performance testing; JavaScript/TypeScript.
Selenium, Playwright, JavaScript, TypeScript, REST API testing, CI/CD, AWS, Jenkins, GitHub Actions, BrowserStack, Axe, Pa11y, WAVE, K6, Locust, JMeter
2mo
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Quality Engineer II
Philadelphia, Pennsylvania, United States
$72k-$119k/yr OnsiteFull Time
RELX
RELXLondon Stock Exchange: REL: Provides information-based analytics and decision tools for professional customers.
Design, develop, and maintain automated test frameworks; REST API testing; CI/CD/AWS; JavaScript/TypeScript; Selenium or Playwright; TDD; accessibility; performance/load testing.
Selenium, Playwright, JavaScript, TypeScript, RESTful API testing, CI/CD, AWS, Jenkins, GitHub Actions, BrowserStack, Axe, Pa11y, WAVE, K6, Locust, JMeter
1w
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Software Developer II
New Holland or Pennsylvania or Ohio or South Dakota
OnsiteFull Time
Goodville Mutual Casualty Company
Goodville Mutual Casualty Company: Provides property and casualty insurance for homes and businesses.
Develop, implement, and maintain insurance systems; integration, web services, data mapping, automated testing; college degree or comparable experience in web or computer technologies required.
2w
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Software Developer II
New York or Clifton Park or Cincinnati or Philadelphia or Milwaukee or Columbus
OnsiteFull Time
Ultimus Fund Solutions
Ultimus Fund Solutions: Provides fund administration services to the investment management industry.
7+ YOE7+ years developing web applications with C#/.NET, Angular, SQL Server; bachelor’s degree or equivalent; experience with Agile, Azure DevOps, Visual Studio; strong communication and troubleshooting skills.
.NET Framework, .NET Core, Microsoft SQL Server, Angular, MVC, Blazor, Azure DevOps, JAMS Enterprise Scheduler, Visual Studio, Git, Microsoft Office Suite, Adobe Acrobat, C#, jQuery
3mo
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Controls Engineer II
New Freedom, Pennsylvania, United States
$70k-$85k/yr OnsiteFull Time
Johnson Controls
Johnson ControlsNYSE: JCI: Provides integrated building technologies including HVAC, fire, and security systems.
2+ YOEBS in Mechanical, Electrical, Software, or Systems Engineering; MS preferred; 2–3 years in controls/automation; MATLAB/Simulink; basic embedded C/C++ and Python; strong communication and teamwork.
MATLAB/Simulink, C/C++, Python
2mo
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Electrical Engineer II
Towson, Maryland, United States
$90k-$120k/yr HybridFull Time
Bowman Consulting Group
Bowman Consulting GroupNASDAQ: BWMN: Provider of engineering and infrastructure consulting services.
3+ YOEBachelor's degree in electrical engineering; 3+ years in electrical design; knowledge of AutoCAD, REVIT, SKM, and lighting design tools; EIT and LEED preferred; PE license preferred; proficient in Microsoft Office.
AutoCAD, REVIT, SKM, Lighting Design software, AGI, Visual
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
3mo
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Software Engineer II - Data Engineering
King of Prussia, Pennsylvania, United States
HybridFull Time
Universal Health Services
Universal Health ServicesNYSE: UHS: Operates acute care hospitals and behavioral health facilities.
3+ YOEBachelor’s degree in IT or Computer Science; 3+ years SQL and relational DB; BI tools experience; Python; healthcare/insurance experience preferred.
Business Objects, SQL Server, Oracle Analytics Cloud, Snowflake, Parquet, Python
1mo
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Software Engineer II
Exton or Philadelphia
HybridFull Time
Bentley Systems
Bentley SystemsNASDAQ: BSY: Software for designing, building, and operating global infrastructure.
5+ YOE5+ years frontend development with TypeScript and React, experience with 3D/web graphics (Cesium/WebGL/three.js) preferred, testing (Vitest/Jest, Playwright), agile/Scrum, strong communication, graduate degree or equivalent experience.
TypeScript, React, iTwin.js, Cesium, pnpm, Module Federation, Vitest, React Testing Library, Playwright, Jest, Azure DevOps, CI/CD, GitHub, GitHub Copilot, Git, WebGL, three.js
1w
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Application Engineer - II
Malvern or Charlotte
HybridFull Time
Vanguard
Vanguard: Provides mutual funds, ETFs, and investment management services.
3+ YOE3+ years related experience with 1+ year development; undergraduate degree or equivalent; experience with database design, SQL, API integration; proficiency with Java, Spring Boot, Angular, Node JS, AWS, CI/CD and Agile tools.
Java, Spring Boot, Angular, Node JS, AWS, SQL, Github, Bitbucket, Bamboo, CI/CD, TDD/BDD, Python, Confluence, JIRA, Azure, GCP
2mo
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Engineer II (Submarine AC&R)
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Continental Tide Defense Systems
Continental Tide Defense Systems: Provides engineering and industrial services for maritime defense systems.
1+ YOEBachelor’s in mechanical or electrical engineering; 1-2 years Navy/Navy contractor experience with AC&R systems.
Remedy
2mo
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Data Engineer II (AWS, Databricks, SQL, GenAI)
Hartford or St. Paul or Hunt Valley
$127k-$209k/yr HybridFull Time
Travelers
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
8+ YOEEight years of related experience in data engineering; Bachelor's degree in STEM field; strong experience with AWS, Databricks, SQL, GenAI; API development; data governance and security.
AWS, Databricks, SQL, GenAI, DBT, Unity Catalog, Databricks Genie, Ab Initio, Snowflake, Claude Code, Teradata, API development
2mo
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Engineer II - Water and Sewer Asset Management Project Engineer
Towson, Maryland, United States
$64k-$72k/yr OnsiteFull Time
Baltimore County
Baltimore County: Provides essential local government services for Baltimore County residents.
2+ YOEBachelor's degree in engineering with 2 years of field or office engineering experience; or Engineer in Training with 2 years of experience; valid driver's license; proof of licenses/certifications and education required.
GIS, CAD, AutoCAD
2mo
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Product Engineer II – Utility Solutions
Redlands or Denver or Philadelphia or Remote Eligible
$80k-$133k/yr RemoteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years in utilities/infra/telecom with ArcGIS usage; ArcGIS Utility Networks; GIS workflow documentation; degree in geography or related field.
ArcGIS, ArcGIS Pro, Python, Arcade, Web GIS
2mo
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Information Assurance Engineer II
Aberdeen Proving Ground, Maryland, United States
$130k-$180k/yr OnsiteFull Time
People, Technology & Processes
People, Technology & Processes: Provides IT services and mission support for government agencies.
4+ YOEBachelor's degree or higher in computer science, computer security, or relevant field; minimum 4 years of Information Assurance Technical and Management experience.
3w
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Software Engineer, II
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
5+ YOEBachelor's in CS/CE or related, 5+ years' experience, proficiency in object-oriented design, containerization, CI/CD, Windows/Linux, Microsoft Office, strong communication and troubleshooting; SECRET clearance preferred.
Microsoft Office, Windows, Linux
2d
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Software Engineer II, Data Scientist
Oaks, Pennsylvania, United States
HybridFull Time
SEI
SEINASDAQ: SEIC: Provides technology and investment solutions for financial services institutions.
3+ YOE3+ years Python development; experience building and deploying LLM-powered applications; knowledge of RAG, vector databases, embeddings, semantic search, agentic frameworks, prompt engineering, AI governance; bachelor's in CS or equivalent preferred.
Python, LangChain, LangGraph, Semantic Kernel, LlamaIndex, AutoGen, CrewAI, OpenAI, Azure AI Foundry, Anthropic, Azure, AWS
3mo
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Structural Engineer II (Camden, NJ, US)
Camden, New Jersey, United States
$105k-$125k/yr OnsiteFull Time
Holtec International
Holtec International: Provides nuclear fuel storage systems and small modular reactors.
6+ YOEBS in Mechanical/Civil/Structural Engineering; 6+ years experience; familiarity with ASME/ASCE/ACI/AISC; strong solid mechanics; excellent writing and communication; experience with ANSYS, LS-DYNA, STAAD.Pro; nuclear industry experience preferred; seismic and stress analysis experience preferred.
ANSYS, LS-DYNA, STAAD.Pro
2d
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Senior Salesforce Developer
Wilmington or Cincinnati or Worthington
$90k-$143k/yr HybridFull Time
AAA Club Alliance
AAA Club Alliance: Provides roadside assistance, insurance, and travel services for members.
5+ YOE5+ years Salesforce development experience, Platform Developer II certification, Bachelor\u0002s degree preferred, experience with Apex/LWC/Visualforce, integrations, RDBMS and cloud platforms.
Salesforce, Apex, Visualforce, Lightning Web Components (LWC), Aura Components, JSON, XML, JavaScript, SQL, Java, C#, C++, SOAP, AWS, Azure, GCP, GearSet, Oracle
2w
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Salesforce Developer III
Philadelphia, Pennsylvania, United States
$124k/yr HybridFull Time
Intealth
Intealth: Provides global medical credentialing and healthcare education quality services.
7+ YOE7+ years Salesforce development experience with Apex, LWC, Visualforce, APIs; experience with CI/CD, Git/Azure DevOps; Platform Developer I and II required; Bachelor's preferred.
Apex, Lightning Web Components (LWC), Visualforce, JavaScript, REST, SOAP, JSON, XML, Platform Events, Salesforce DX, Git, GitHub, Microsoft Azure DevOps, CI/CD, SOQL, SOSL