88 senior software testing engineer jobs at 59 companies in Townsend, DE
2mo
Save
Mark Applied
Hide
Senior Software Engineer
Aberdeen Proving Ground, Maryland, United States
$150k-$180k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience; bachelor’s in CS/SE/EE or equivalent experience; active TS/SCI clearance; US citizenship; experience with full-lifecycle development, hardware-software integration, modeling, and testing.
3d
Save
Mark Applied
Hide
Senior Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
5+ YOERequires 5+ years of software engineering experience, TypeScript and Node.js/Deno, REST APIs, Vue or comparable frontend frameworks, distributed systems, PostgreSQL, automated testing, cloud platforms, Docker, Kubernetes, and CI/CD.
TypeScript, Node.js, Deno, PostgreSQL, Vue, Vue.js, React, Angular, Vitest, Playwright, AWS, Azure, Docker, Kubernetes, Git, RabbitMQ, Kafka, AWS SQS, Terraform, CloudFormation
5d
Save
Mark Applied
Hide
Senior Software Engineer- Embedded Linux Platform
Thorofare, New Jersey, United States
$110k-$130k/yr OnsiteFull Time
8+ YOERequires 8+ years of software engineering, 5+ years Linux development, and 3+ years at senior-engineer level. Requires Python, Linux, microservices, REST APIs, testing, Git, and technical leadership.
Linux, Python, Bash, REST, MQTT, Azure, Docker, OCI, systemd, Git, GitHub Actions, Azure Pipelines, RFID, GPIO, React, Rust, Go, Traefik, SAST, DAST, SCA, DevSecOps
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Radnor, Pennsylvania, United States
HybridFull Time
4+ YOE4+ years software engineering experience, strong OAuth 2.0 knowledge, collaborative teamwork, experience with Java/JavaScript/PostgreSQL and unit testing.
Java, JavaScript, PostgreSQL, OAuth 2.0, Keycloak
1w
Save
Mark Applied
Hide
Senior Software Engineer
Portland or North Dakota or Montana or Maine or Ohio or Nebraska or Phoenix or Louisiana or Texas or Nevada or Georgia or Tampa or Mississippi or Colorado or Denver or Wyoming or Wisconsin or West Virginia or Vermont or Richardson or Arkansas or Dallas or South Dakota or Pennsylvania or Michigan or Indiana or Idaho or Arizona or Plano or New Mexico or New Hampshire or Kentucky or Alabama or Philadelphia or South Carolina or Austin or Illinois or Atlanta or Missouri or Iowa or Tennessee or Boulder or North Carolina or Minnesota or Kansas or Houston or Alaska or Chicago or Rhode Island or Washington or Virginia or Utah or Oregon or Florida or Miami or Oklahoma
$139k-$204k/yr RemoteFull Time
5+ YOEBachelor's degree with 5+ years, master's with 3+ years, or PhD with 1+ year; production software development, testing, troubleshooting, code reviews, technical design, scalability, reliability, and security experience.
AI/ML, generative AI, LLMs, AI agents
5d
Save
Mark Applied
Hide
Senior Software Developer
Philadelphia, Pennsylvania, United States
$49k-$68k/yr HybridFull Time
2+ YOEBachelor's degree in computer science, software engineering, information systems, or related field and 2+ years' related experience. Requires cloud development, API integration, testing, documentation, AI applications, Python or JavaScript, and secure data handling.
Python, JavaScript, APIs, source control
3d
Save
Mark Applied
Hide
Senior Lead Software Engineer - Java/AWS
Wilmington, Delaware, United States
OnsiteFull Time
5+ YOE5+ years of applied software engineering experience with Java, microservices, AWS, AI, system design, application development, testing, cloud-native technologies, and secure operational delivery.
Java, Microservices, AWS, AI, Software Development Life Cycle, Test Lifecycle Management (TLM)
1w
Save
Mark Applied
Hide
Senior Software Engineer - Murex
Philadelphia or Denver or Cedar Rapids
$94k-$115k/yr HybridFull Time
3+ YOEBachelor’s degree or equivalent experience, 3+ years of software engineering, Murex development, enterprise integrations, SQL Server or Oracle, ETL, reporting, APIs, testing, deployment, and financial markets knowledge.
Murex, Murex MxML, SQL Server, Oracle, SSIS, SSRS, AWS Glue, Control-M, Excel VBA, Microsoft Excel, Java, .NET, C#, Python, APIs, OOD, OOP, Spring Framework, J2EE, Swagger/OpenAPI, Kafka, REST APIs, Visual Studio, Git, Bitbucket, Maven, Jenkins, Nexus, SQL Management Studio, NUnit, Docker, OpenShift, Kubernetes, Windows Server, Linux/Unix, Kiro
2d
Save
Mark Applied
Hide
Software Engineer
Baltimore or Virginia or Austin or New York City or North America
FieldFull Time
5+ YOERequires 5+ years of software engineering experience, a computer science or related degree, React and JavaScript, backend systems, APIs, testing, SQL, cloud infrastructure, and distributed data systems experience.
React, JavaScript, AWS, Microsoft Azure, Google Cloud Platform (GCP), Django, Node.js, SQL, CI/CD
2w
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
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
2w
Save
Mark Applied
Hide
Java Lead - Senior Software Engineer
Reading or Berwyn
$73k-$174k/yr HybridFull Time
10+ YOERequires 10+ years with Java, RESTful services, Spring MVC, Angular, and software development; experience with databases, Git, Maven, Jenkins, Docker, OpenShift, testing, and Agile projects.
Java, Spring Boot, Angular, TypeScript, Karma, Jasmine, JUnit, Mockito, SQL, Docker, OpenShift, Spring MVC, J2EE, Hibernate, Spring JPA, JavaScript, CSS, HTML, jQuery, Ajax, VueJS, MySQL, PostgreSQL, Oracle, Git, Maven, Jenkins, Spring Cloud, Nginx, NodeJS, Redis
4d
Save
Mark Applied
Hide
Software Developer
Belcamp, Maryland, United States
$83k-$140k/yr OnsiteFull Time
10+ YOEBachelor of Science and 10+ years of software development experience required. Requires programming experience with Java, Python, C#, JavaScript, Linux systems, software architecture, testing, and documentation.
Java, Python, C#, JavaScript, Linux, Windows
2w
Save
Mark Applied
Hide
Senior Software Engineer, Test Automation
Downingtown, Pennsylvania, United States
$110k-$125k/yr OnsiteFull Time
5+ YOEBachelor's in CS or related and 5+ years software development/test automation experience; expertise with Cypress and JavaScript/TypeScript; CI/CD, Git, npm experience; strong problem solving and cross-team collaboration.
Cypress, JavaScript, TypeScript, Git, npm, Angular, Windows
1mo
Save
Mark Applied
Hide
Principal Software Engineer
Baltimore or Seattle or Vienna or United States or United States
$220k-$372k/yr HybridFull Time
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
1mo
Save
Mark Applied
Hide
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
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
2mo
Save
Mark Applied
Hide
Staff Software Developer
Canada or Philadelphia
$170k-$220k/yr RemoteFull Time
7+ YOE7+ years software engineering experience; strong CS fundamentals, distributed systems, PostgreSQL, GraphQL, gRPC, SQL, Kubernetes, observability (DataDog, Bugsnag); comfortable with Elixir, Java, Rust, TypeScript; testing framework experience; mentoring skills.
Elixir, Java, Rust, TypeScript, GraphQL, gRPC, SQL, PostgreSQL, Kubernetes, DataDog, Bugsnag, ExUnit, RSpec, Jest, pytest, AI
1mo
Save
Mark Applied
Hide
M2S2 SETA - Sr Software Engineer
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
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)
1w
Save
Mark Applied
Hide
Lead Software Engineer – AEM & Forms
Wilmington or Barcelona or Mississauga or Colorado Springs
$128k-$200k/yr HybridFull Time
8+ YOE8+ years of software engineering experience with Adobe DA.live, EDS, AEM Cloud Service, Adobe Forms, modern JavaScript, HTML, CSS, design systems, APIs, testing, CI/CD, and globally scaled web applications.
Adobe DA.live, Edge Delivery Services (EDS), Adobe Experience Manager (AEM) Cloud Service, Adobe Forms, JavaScript, HTML, CSS, GitHub Actions, Adobe Experience Platform Web SDK, Adobe Experience Platform Mobile SDK, CI/CD
3w
Save
Mark Applied
Hide
Senior Software Engineer
Wilmington, Delaware, United States
HybridFull Time
Strong C#/.NET Core development skills, front-end framework and JavaScript/TypeScript proficiency, experience with Entity Framework Core, SQL Server, Azure Functions, AI-assisted tools, and test automation.
C#, .NET Core, Blazor Server, Blazor WebAssembly, GitHub Copilot, Cursor, Claude Code, Entity Framework Core, SQL Server, Azure Functions, Bootstrap, Playwright, MediatR, Fluxor, Polly, Docker, Kubernetes, Artillery, JMeter, K6, Locust, Azure AI Foundry, Azure OpenAI Service, Git, React, Angular, Vue, JavaScript, TypeScript
2w
Save
Mark Applied
Hide
Software Engineer
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
5+ YOE5+ years professional software development experience; design, develop, test, and maintain software; collaborate on hardware-software interfaces; active Secret clearance and ability to obtain TS-SCI.