1mo
Save
Mark Applied
Hide
Backend Software Engineer
Waltham or Boston
$127k-$171k/yr HybridFull Time
8+ YOE8+ years backend development experience with Java/Kotlin or similar; BSc in Computer Science required; strong OOP, SQL, cloud (AWS) and CI/CD experience; excellent communication skills.
Kotlin, Java, Python, .NET, AWS, SQL, CI/CD, Zoom
1mo
Save
Mark Applied
Hide
Backend Software Engineer
Waltham or Boston or United States
$127k-$171k/yr HybridFull Time
8+ YOE8+ years backend development with Java/Kotlin or similar, B.Sc. in Computer Science, strong OOP, distributed/cloud experience (AWS preferred), relational DB/SQL skills, and strong communication.
Kotlin, Java, Python, .NET, AWS, Relational Databases, SQL, CI / CD
7h
Save
Mark Applied
Hide
Backend Software Engineer (Agents Channel)
Waltham, Massachusetts, United States
$163k-$220k/yr HybridFull Time
6+ YOE6+ years backend development experience, BSc in Computer Science required, strong OOP, Java/Kotlin or similar, cloud and SQL experience, strong communication skills.
Kotlin, Java, Python, .NET, AWS, SQL, CI / CD, LLM, AI
1mo
Save
Mark Applied
Hide
Senior Backend Developer/ DevSecOps Engineer
Louisville or Charlotte or Dallas or Tampa or Fort Lauderdale or Washington or Nashville or Miami or Boston or New York City or Chicago or Atlanta
$118k-$162k/yr RemoteFull Time
4+ YOE4+ years in software engineering/DevOps; strong .NET (C#), Microsoft Azure, Terraform, Python, CI/CD (GitHub Actions, Azure DevOps), PostgreSQL, MongoDB, Docker, API design, and security/tooling experience.
.NET (C#), Microsoft Azure, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure Service Bus, Microsoft Azure DevOps (ADO), GitHub Actions, Terraform, Python, MongoDB, PostgreSQL, Databricks, ADLS Gen2, JFrog Artifactory, HashiCorp Vault, LaunchDarkly, Splunk, Docker Desktop, Postman, Checkmarx, AppScan, Cycode, GLAPI
7h
Save
Mark Applied
Hide
Backend Software Engineer (Agents Channel)
Waltham, Massachusetts, United States
$163k-$220k/yr HybridFull Time
6+ YOE6+ years backend development experience (Java/Kotlin or Python/.NET), BSc in Computer Science, strong OOP, cloud and SQL experience preferred, excellent communication.
Kotlin, Java, Python, .NET, AWS, SQL, CI / CD, LLM
2w
Save
Mark Applied
Hide
Backend C2 Systems Full Stack Developer
Hanscom AFB or Hampton
$113k-$257k/yr OnsiteFull Time
8+ YOE8+ years software development experience including backend/services, microservices, relational and NoSQL datastores, message/streaming platforms, containerization, frontend (React), CI/CD, and eligibility for Secret clearance.
Java, .NET, C#, Python, Go, Kafka, React, AWS, Kubernetes, Prometheus, Grafana, OpenTelemetry
2w
Save
Mark Applied
Hide
Backend C2 Systems Full Stack Developer
Hanscom Air Force Base, Massachusetts, United States
$113k-$257k/yr HybridFull Time
8+ YOE8+ years software development experience with backend services and microservices; experience with server-side languages, data stores, messaging, containerization, CI/CD, and secure service design; ability to obtain Secret clearance.
Java, .NET, C#, Python, Go, Kafka, React, CI/CD, AWS, Kubernetes, Prometheus, Grafana, OpenTelemetry, mTLS, OAuth2, OIDC, API gateway, service mesh
1w
Save
Mark Applied
Hide
Senior Software Engineer (Full Stack)
Pittsburgh or Boston or Montreal or Toronto or United States
HybridFull Time
Experienced full-stack developer with C#/.NET backend, React frontend, SQL Server, Python familiarity, modern architecture, CI/CD familiarity, debugging skills, and Agile experience.
React, .NET, Python, SQL Server, C#, SQL
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Burlington, Massachusetts, United States
$140k-$165k/yr HybridFull Time
5+ YOEBachelor's in CS or related, 5+ years professional C#/.NET experience, Windows app (WinForms/WPF) and cloud (Azure/AWS) experience, multithreading and backend/API development, ability to work onsite in Burlington, MA 3+ days/week.
C#, .NET, WinForms, WPF, WinUI, .NET MAUI, Azure, AWS, CI/CD
1mo
Save
Mark Applied
Hide
Vice President, Full-Stack Engineer
Boston, Massachusetts, United States
$83k-$199k/yr OnsiteFull Time
10+ YOE10+ years software engineering; strong full stack in C#.Net, ASP.Net, .Net Core, SQL, Angular; strong SQL (DB2/Oracle/SQL Server); experience across frontend, backend, and data; CI/CD; mentoring; AI-assisted development.
C#, .NET Framework, ASP.NET, .NET Core, SQL, Angular, HTML/CSS, DB2, Oracle, SQL Server, CI/CD
2w
Save
Mark Applied
Hide
Senior Software Engineer
Boston, Massachusetts, United States
$150k/yr HybridFull Time
5+ YOE5+ years engineering experience; strong backend (.NET/C#) and full‑stack skills; experience with web application architecture, integrations, and modern front-end tools; strong communication and problem-solving.
React, C#, ASP.NET MVC, T-SQL, Jira, Smartsheet, Salesforce, HubSpot, QuickBooks Online, Sage Intacct, HTML, CSS, JavaScript, Typescript, Svelte, Solid
4d
Save
Mark Applied
Hide
Senior Software Engineer Trading Systems
Boston, Massachusetts, United States
$135k-$325k/yr OnsiteFull Time
Experienced software engineer with backend and frontend skills for trading systems; strong Python or .NET, AWS, SQL, React, APIs, and production support; prior trading/front-office experience preferred.
Python, C#, React, JavaScript, TypeScript, HTML, CSS, AWS, EKS, Lambda, EC2, S3, RDS, OMS, EMS, REST APIs, microservices, Kubernetes, CI/CD, SQL, Generative AI, LLMs
2mo
Save
Mark Applied
Hide
Senior Full Stack Software Developer
Milford, Massachusetts, United States
HybridFull Time
5+ YOE5+ years software engineering experience, Bachelor\u0002s preferred, strong frontend (Angular 16+) and backend (C#, Microsoft .NET Core) skills, AWS, Docker, testing frameworks, and excellent communication.
Angular 16, Jasmine, Karma, C#, Microsoft .NET Core, AWS, Docker, Containers, Microservices, Microsoft Visual Studio, GitHub, Spinnaker, YAML, Jenkins, Python, D3, Confluence, Jira