2w
Save
Mark Applied
Hide
CEUI Assisted Tools Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
2+ YOE2+ years full-stack experience building React.js UIs and backend services (Node.js/Java), strong JavaScript/TypeScript, HTML/CSS, REST APIs, state management, databases, Git, CI/CD, troubleshooting, Agile experience.
React.js, Node.js, Java, JavaScript (ES6+), TypeScript, HTML/CSS, REST APIs, Redux, Context API, Git, CI/CD, Github Copilot, OpenSpec
1mo
Save
Mark Applied
Hide
Software Developer | Market Data | Libraries & Tools
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
BS/MS in CS or Computer Engineering, strong C++ high-performance computing skills, performance optimization/latency reduction experience, attention to detail, collaboration with developers, traders, quants, and infrastructure teams.
C++, Python, RESTful services, Linux, Windows
1mo
Save
Mark Applied
Hide
Software Developer | Market Data | Libraries & Tools
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
BS/MS in CS or CE (or similar). Strong C++ high-performance computing skills, familiarity with Python, experience with performance optimization/latency reduction, ability to collaborate with developers, traders, quants, and infrastructure teams.
C++, Python, RESTful services, Linux, Windows
1mo
Save
Mark Applied
Hide
Software Developer | Market Data | Libraries & Tools
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
BS/MS in CS or related, strong C++ high-performance computing skills, performance optimization/latency reduction experience, familiarity with Python, RESTful services, Linux/Windows, and ability to collaborate with traders and quants.
C++, Python, RESTful services, Linux, Windows
3w
Save
Mark Applied
Hide
Junior Developer
Paradise, Pennsylvania, United States
$28-$34/hr OnsiteFull Time
Experience with API integration, databases, and coding in multiple languages (preferably PHP, Python, JavaScript). Familiarity with Jira, Git, Trello, QuickBase/Zoho, and comfortable using AI-assisted development tools.
PHP, Python, JavaScript, GitHub Copilot, Jira, Git, Trello, QuickBase, Zoho, Sage Intacct, REST APIs
5d
Save
Mark Applied
Hide
Software Developer
Exton or Philadelphia
RemoteFull Time
5+ YOE5+ years professional software development experience with C# and .NET; experience with React, TypeScript, SQL Server, PostgreSQL, Docker, testing tools, and CI/CD; bachelor's degree or equivalent experience preferred.
C#, .NET, React, SQL Server, PostgreSQL, ASP.NET Core, Entity Framework Core, TypeScript, Testcontainers, Playwright, Docker, Docker Compose, GitHub Actions, xUnit, Bicep, Azure Container Apps, Kubernetes
2mo
Save
Mark Applied
Hide
Software Engineer - AI Augmented Development
Wayne, Pennsylvania, United States
HybridFull Time
1+ YOEProficient in Python and SQL; strong AWS experience; able to use AI-assisted development tools; effective communicator.
Python, SQL, AWS, Snowflake (nice to have), AI tools (Claude Code, OpenAI Codex, Cursor, Copilot), CloudFormation or CDK, Terraform (nice to have), SQL
1mo
Save
Mark Applied
Hide
Application Developer C
Philadelphia, Pennsylvania, United States
$72k/yr OnsiteFull Time
2+ YOEBachelor's degree + 2–3 years experience (Master's preferred). Experience with Python, Next.js, Electron, software development, data pipelines, AI tools for image analysis; strong analytical and communication skills.
Python, Next.js, Electron
1mo
Save
Mark Applied
Hide
Application Developer C
Philadelphia, Pennsylvania, United States
$72k/yr OnsiteFull Time
2+ YOEBachelor's and 2+ years' experience required. Develop, deploy, and maintain pathology software, data pipelines, and AI-enabled tools; experience with Python, Next.JS, electron, web apps, databases, APIs, and version control; strong analytical and communication skills.
Python, Next.JS, electron
2mo
Save
Mark Applied
Hide
Mid Level Software Engineer
Baltimore, Maryland, United States
$125k-$150k/yr HybridFull Time
3+ YOE3-7 years software engineering, strong C++, distributed systems, robotics/autonomy, AI-assisted development tools; APIs and networking experience.
C++, MAVLink, Protobuf, DDS, CAN, TCP/IP, serial, OpenAI Codex, Claude Code
2mo
Save
Mark Applied
Hide
Software Engineer 2
Annapolis Junction, Maryland, United States
HybridFull Time
14+ YOESenior backend developer with TS/SCI CI Poly clearance; Java/Spring/Maven; 14+ years experience; BS in CS or related field; NoSQL/Big Data and CI tools
Java, Spring Framework, Maven, MongoDB, ElasticSearch, Jenkins, Git, PostgreSQL, Python, Hadoop, Hive, Pig, MapReduce, NoSQL
1mo
Save
Mark Applied
Hide
Full Stack Developer
United States or Philadelphia
$160k-$180k/yr RemoteFull Time
6+ YOE6+ years full-stack development experience; must show portfolio; autonomous; current on AI tooling; proficiency in JavaScript/TypeScript (React, Node.js), RESTful APIs, GraphQL, cloud (AWS/GCP/Azure), serverless; experience with AI APIs and Git.
JavaScript, TypeScript, React, Node.js, RESTful APIs, GraphQL, AWS, GCP, Azure, Serverless, OpenAI, Anthropic, Git, GitHub, CI/CD, HubSpot, Asana, PandaDoc, Slack, Google Workspace
2w
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
2mo
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
3d
Save
Mark Applied
Hide
Application Engineer - II
Malvern or Charlotte
HybridFull Time
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
1mo
Save
Mark Applied
Hide
Lead Software Engineer
Wilmington, Delaware, United States
OnsiteFull Time
5+ YOE5+ years software engineering experience; building high-volume, low-latency transactional systems; microservices with Java/Spring Boot and Python (FastAPI/Flask); AWS services experience; SQL/RDBMS proficiency; agile/SCRUM and experience with AI-assisted development tools.
Java, Python, Spring Boot, FastAPI, Flask, S3, DynamoDB, ECS, EKS, RDS, Lambda, ALB, NLB, GitHub Copilot, Claude, Splunk, Dynatrace, Grafana, RDBMS, SQL, JDBC, Databricks
1mo
Save
Mark Applied
Hide
Full-Stack Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
6+ YOE6+ years designing and developing applications on the Microsoft Stack or Java; RESTful API design with Swagger/OpenAPI; SQL Server and NoSQL experience; front-end using JavaScript/TypeScript and modern frameworks; AI tool and agent experience; strong communication.
Microsoft Stack, Java, RESTful APIs, Swagger, OpenAPI, SQL Server, NoSQL, Azure, AWS, GCP, JavaScript, TypeScript, HTML, CSS, Angular, React, Vue, Bootstrap, Agentic AI, Claude code, CodeX, Opencode, OpenClaude, Git
1mo
Save
Mark Applied
Hide
Client Engineer
Philadelphia or New York City
$150k-$250k/yr OnsiteFull Time
Experience shipping software, customer-facing technical skills, strong tooling expertise (Python, Postgres, Unix, React.js, TypeScript), and customer empathy.
Python, Postgres, Unix, React.js, TypeScript
1mo
Save
Mark Applied
Hide
Sr. AI Developer
Boston or New York City or Santa Monica or Washington or California or Los Angeles or San Francisco or Philadelphia or Orange County or San Diego
$134k-$237k/yr OnsiteFull Time
Bachelor's degree required; experience with Microsoft Azure tools (Power Automate, Power Desktop, Forms, Azure AI Studio), Microsoft Azure Machine Learning, Microsoft Dynamics CRM, and Microsoft Excel; strong attention to detail and data management skills.
Microsoft Power Automate, Microsoft Power Desktop, Microsoft Forms, Microsoft Azure AI Studio, Microsoft Azure Machine Learning, Microsoft Azure, Generative AI (GenAI), Microsoft Dynamics CRM, Microsoft Excel
1mo
Save
Mark Applied
Hide
Sr. Principal Cyber Software Engineer
Annapolis Junction or San Antonio or Aurora or Carey
$149k-$235k/yr OnsiteFull Time
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