3mo
Save
Mark Applied
Hide
Principal Software Engineer
Dresher or Philadelphia
OnsiteFull Time
Bachelor's degree in computer science or engineering; strong technical leadership; AI tooling experience; hands-on software development; Agile experience; excellent problem-solving and communication skills.
C, C++, Python, Apache, Nginx, Redis, jQuery, PowerShell, React, Docker, Kubernetes, CI/CD, TDD, Agile
3mo
Save
Mark Applied
Hide
Principal Engineer, Software
Horsham, Pennsylvania, United States
$97k-$189k/yr OnsiteFull Time
8+ YOEBachelor's degree; 8+ years embedded software; 5+ years optical networking; strong C/C++ in embedded systems; Python, Go; CI/CD; Open-Source exposure; networking protocols knowledge; English communication.
C, C++, Go, Python, Embedded Linux, CI/CD, Open-Source software, Networking protocols, Yang models, Netconf, Open Config
1mo
Save
Mark Applied
Hide
Principal Software Engineer, Field Engineering
Aberdeen Proving Ground, Maryland, United States
$160k-$220k/yr OnsiteFull Time
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
4d
Save
Mark Applied
Hide
Principal Software Engineer
Downers Grove or Willingboro
$140k-$180k/yr OnsiteFull Time
15+ YOE15+ years software engineering with enterprise architecture, cloud (Azure) modernization, microservices, eCommerce, AI/LLM production experience, and strong people mentoring and technical leadership.
React.js, Next.js, TypeScript, C#, .NET Core, Java, Python, Go, Kafka, Azure Service Bus, Event Hub, Cloudflare, Akamai, Azure Front Door, SQL Server, PostgreSQL, Redis, Cosmos DB, MongoDB, AKS, Azure App Service, Azure Functions, Azure SQL, Key Vault, Azure AD/Entra ID, Azure Monitor, Terraform, Bicep, Azure DevOps, GitHub Actions, Helm, Open Telemetry, Application Insights, Jaeger, Grafana, Prometheus, k6, JMeter, Azure Load Testing, Pinecone, Weaviate, pgvector, OpenAI, Anthropic, Gemini, LangChain, LangGraph, CrewAI, Playwright, Cypress, Pact, OAuth 2.0, OpenID Connect, Azure Data Factory, Azure Databricks
1w
Save
Mark Applied
Hide
Principal Software Engineer
Pennsylvania or New Jersey or Delaware or West Chester
RemoteFull Time
8+ YOE8+ years software engineering experience; deep expertise in architecture, system design, SDLC, testing, DevOps, strong communication; Bachelor's degree or equivalent experience preferred.
2d
Save
Mark Applied
Hide
Principal Software Engineer
Lititz or United States
OnsiteFull Time
12+ YOE12+ years software engineering experience; expert in scalable distributed systems, full-stack development, front-end frameworks, cloud-native apps, and technical leadership.
Vue.js, TypeScript, JavaScript, HTML, CSS, C#, .NET, Java, AWS, Kafka, Spark, Hadoop, Presto, GitHub Copilot, Claude Code, Codex
2mo
Save
Mark Applied
Hide
Sr. Principal Software Engineer
Wilmington or Columbus
OnsiteFull Time
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
3w
Save
Mark Applied
Hide
Principal Software Engineer
Moorestown, New Jersey, United States
$128k-$218k/yr OnsiteFull Time
8+ YOEBachelor's in engineering/computer science or equivalent, U.S. citizenship, ability to obtain Secret clearance, 8+ years software development experience in real-time/mission systems, experience with Java, C++, or Python, Linux/UNIX, and IDEs.
Java, C++, Python, Linux, UNIX, Eclipse, UML, Clearcase, JIRA, xUnit, Junit, CPPUnitLite, Assemblers
2w
Save
Mark Applied
Hide
Principal Software Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
12+ YOE12+ years in 3D runtime or game engine development, expert C++ (C++17/20/23), graphics APIs (Vulkan, DirectX 12, Metal), engine integrations, profiling/optimization, and strong communication.
C++17, C++20, C++23, Vulkan, DirectX 12, Metal, Unreal Engine, Unity, NVIDIA Omniverse, glTF, 3D Tiles
2mo
Save
Mark Applied
Hide
Principal Software Engineer
Philadelphia, Pennsylvania, United States
$115k-$124k/yr OnsiteFull Time
3+ YOEBachelor’s degree or equivalent; 3+ years in .NET/C# web development; SQL and database experience; public sector/government experience a plus.
C#, SQL, SQL Server, Oracle, PostgreSQL, MySQL, .NET, FAST/GenTax
1mo
Save
Mark Applied
Hide
Principal Embedded Software Engineer
Newark or Marlborough
$139k-$232k/yr HybridFull Time
12+ YOEExtensive embedded systems experience (RTOS, low-level firmware, device drivers), expert C/C++ and assembly skills, hardware/software integration, leadership and mentoring experience, familiarity with communication protocols (SPI, I2C, UART, CAN) and regulated medical device environments.
FreeRTOS, QNX, Zephyr, C, C++, Assembly, SPI, I2C, UART, CAN, Git, Perforce, Microsoft Azure DevOps, SVN, DICOM, HL7
2mo
Save
Mark Applied
Hide
Principal Transmission Engineer
Lansdale, Pennsylvania, United States
OnsiteFull Time
10+ YOESupervisor of technical staff with 10+ years in power transmission design; ABET-accredited degree in Civil/Structural or Electrical Engineering; PE licensure; proficient in industry software.
PLS-CADD, MFAD, AutoCAD, Microsoft Office
1mo
Save
Mark Applied
Hide
Senior Principal Mechanical Engineer
Reading, Pennsylvania, United States
OnsiteFull Time
Extensive mechanical engineering experience with project leadership, cost estimating and proposal writing; competent with engineering software and MS Office; bachelor’s in mechanical engineering required; PE preferred.
Microsoft Office
1mo
Save
Mark Applied
Hide
Senior Principal Electrical Engineer
Reading or Charlotte or Kansas City
OnsiteFull Time
Extensive electrical engineering experience with project leadership, cost estimating, technical consulting, knowledge of standards, competency with electrical engineering software and Microsoft Office; BS/MS in engineering required; PE preferred.
Microsoft Office Suite
2mo
Save
Mark Applied
Hide
Principal AI Engineer
Malvern, Pennsylvania, United States
HybridFull Time
7+ YOE7+ years AI engineering; 5+ years programming (Java/Python/Shell); 5+ years IaC (Terraform/Crossplane); 5+ years AWS/Azure; 5+ years automation tools; 2+ years AI/Gen AI.
Java, Python, Shell scripting, Terraform, Crossplane, AWS, Azure, Ansible, Harness CD, GitHub Actions, Playwright, LLMs, embeddings, RAG pipelines, fine-tuning
1d
Save
Mark Applied
Hide
Software Engineer Principal - Angular/Java/Kafka
Pittsburgh or Philadelphia or Cleveland or Dallas or Birmingham or Denver or Phoenix
$91k-$186k/yr OnsiteFull Time
5+ YOE5+ years industry experience, strong Java and Angular development, Kafka and event-driven experience, CI/CD (Jenkins), bachelor\u000b's degree typically required, strong design and architecture skills.
Java, Angular, Kafka, Jenkins, Flowable
1mo
Save
Mark Applied
Hide
Principal Software Development Engineer (IC4) - Network Region Build (NRB)
United States or Abilene or Austin or Nashville or Chicago or Pittsburgh or Philadelphia or Saline
$115k-$235k/yr OnsiteFull Time
6+ YOEStrong software engineering in Python/Java/Go/Rust, networking fundamentals (BGP, TCP/IP, IPv6), experience with distributed systems, Git and CI/CD, Linux production environments; 6+ years experience.
Python, Java, Go, Rust, Git, GitHub Copilot, ChatGPT Enterprise, Oracle AI, Codex, YANG, OpenConfig, NETCONF, gNMI, OCI - DNS, TCP/IP
3w
Save
Mark Applied
Hide
Principal Data Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
10+ YOE3+ Mgmt10+ years in data or software engineering, 7+ years building production data pipelines, strong Databricks/Spark/PySpark/SQL experience, Azure and streaming expertise, plus leadership and production operations experience.
Databricks, PySpark, Spark SQL, Spark, Python, SQL, Delta Lake, Databricks Workflows, CI/CD, Azure, Azure Event Hubs, Azure Stream Analytics, Azure Service Bus, Azure Data Factory, Azure Functions, ADLS, Azure Cosmos DB, Event Grid
2mo
Save
Mark Applied
Hide
Principal Engineer – Network Evolution Architecture
Philadelphia, Pennsylvania, United States
HybridFull Time
10+ YOE Lead strategic architecture and system design for next-generation access and transport technologies; evaluate hardware/software architectures; design RF/optical networks; develop PoCs; collaborate with partners.
FPGA, ASIC, Python, RF, Optical networking, WiFi, O-RAN
3mo
Save
Mark Applied
Hide
Forward Deployed Principal Engineer
Atlanta or Columbus or Dallas or Los Angeles or New York City or Philadelphia or Richardson or Seattle
$235k-$255k/yr OnsiteFull Time
10+ YOE10+ years in software or data engineering, 3+ years embedded/forward-deployed experience, track record shipping production software, product partnership experience, AI/ML and data platform expertise.
React, TypeScript, Python, Node.js, AWS, Azure, GCP, SQL, Snowflake, Databricks, GraphQL, RESTful, CI/CD
Explore Jobs