PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
3mo
Save
Mark Applied
Hide
Principal Software Engineer
Tampa or Jersey City or Boston or Dallas
HybridFull Time
8+ YOE8+ years software engineering experience; Bachelor's degree preferred or equivalent; strong Java and systems design skills.
Java, Software Architecture, Spring, SQL, REST, DevOps, Cloud
2mo
Save
Mark Applied
Hide
Principal Software Engineer
Atlanta or Boston or Morristown or Plano or St. Louis or St. Petersburg or Hyderabad
HybridFull Time
8+ YOE8+ years backend software engineering; degree or equivalent; cloud, IaC, CI/CD; APIs; strong communication; leadership.
TypeScript, Node.js, PostgreSQL, Angular, AWS, Terraform, Elasticsearch, CI/CD, SASS
2mo
Save
Mark Applied
Hide
Principal Software Engineer
Bethesda or Waltham
$164k-$257k/yr HybridFull Time
8+ YOE8+ years software engineering; production-grade APIs; GraphQL; Node.js; TypeScript; Go; OAuth2/JWT; security; scalable SaaS APIs.
GraphQL, Node.js, TypeScript, Go, Jenkins, ArgoCD, Datadog, OAuth 2.0, JWT
2mo
Save
Mark Applied
Hide
Principal Software Engineer
Waltham or North Bethesda
$200k-$225k/yr HybridFull Time
8+ YOE8–12+ years of software development; expert in Python, React/TypeScript, AWS; strong system architecture and enterprise integration experience; Bachelor's degree in CS/Engineering or related field.
Python, React, TypeScript, AWS
1mo
Save
Mark Applied
Hide
Principal Software Engineer
Merrimack, New Hampshire, United States
$118k-$201k/yr OnsiteFull Time
10+ YOEActive Secret clearance, Bachelor's in CS/CE + 10+ years (or equivalent) experience, embedded C/C++ development on Linux, Python scripting, Agile/DevSecOps and CI/CD, software testing/verification, and strong communication and team leadership skills.
C++, C, Python, Linux, Jira, Confluence, Bitbucket, Git, CI/CD
3mo
Save
Mark Applied
Hide
Principal Software Engineer
Boston, Massachusetts, United States
HybridFull Time
10+ YOE BS in CS; MS preferred; 10+ years backend software development; OO/design patterns; C#, Angular, PostgreSQL, Python; cloud infra and containerization; AWS preferred.
AWS, C#, Angular, Python, PostgreSQL, SQL, Glue, Aurora
2mo
Save
Mark Applied
Hide
Principal Software Engineer
Wellesley, Massachusetts, United States
$144k-$288k/yr HybridFull Time
8+ YOE8+ years software experience; 4+ years as technical leader; strong Python/Java; cloud (GCP); microservices; ML; real-time systems; UI (React/Angular).
Python, Java, GCP, React, Angular, Machine Learning, OCR, LLMs
2mo
Save
Mark Applied
Hide
Principal Software Engineer
Warwick, Rhode Island, United States
$131k-$197k/yr HybridFull Time
6+ YOELead architectural execution; design, scale distributed ecommerce systems; manage engineers; hands-on architecture and production code.
PHP, Python, MySQL, PostgreSQL, Redis, Elasticsearch, AWS, Infrastructure as Code, CI/CD, WordPress
2mo
Save
Mark Applied
Hide
Principal Software Engineer (Cloud)
Boston, Massachusetts, United States
HybridFull Time
15+ YOE15+ years software engineering; cloud-native distributed systems; leadership; backend languages (Rust, Python, TypeScript, Go); cloud platforms (AWS, GCP, Azure); strong communication; AI-assisted tooling familiarity.
Rust, Python, TypeScript, Go, AWS, GCP, Azure, Claude Code, Codex, Cursor
1mo
Save
Mark Applied
Hide
Principal Software Engineer - AI
Boston, Massachusetts, United States
$120k-$180k/yr OnsiteFull Time
New Balance: Designs and manufactures athletic footwear, apparel, and sports equipment.
10+ YOE10+ years software development with 4+ years AI/ML and LLMs; extensive Python, agentic frameworks, and Microsoft AI ecosystem experience.
Python, LangChain, LangGraph, Semantic Kernel, Azure OpenAI Service, Azure AI Search, Microsoft Copilot Studio, React, RESTful APIs, ERPs, CRMs, SQL, NoSQL
1mo
Save
Mark Applied
Hide
Principal Software Engineer, Data
Cambridge or San Francisco
$204k-$348k/yr HybridFull Time
8+ YOE8-15 years of backend-focused engineering; full stack experience; AWS, Kubernetes; API design; data pipelines; Python; collaboration with scientists and engineers.
React, TypeScript, Nx, Tailwind, FastAPI, SQL/NoSQL, Python, Pydantic, SQLAlchemy, SQLModel, Django, Airflow, Prefect, Temporal, Dagster, pandas, numpy, scipy, jax, pytorch, AWS, Kubernetes, Terraform, CloudFormation, GitHub Actions
1mo
Save
Mark Applied
Hide
Principal Software Engineer
Tewksbury, Massachusetts, United States
$108k-$205k/yr OnsiteFull Time
8+ YOEU.S. citizenship and ability to obtain Interim Secret clearance; typically a STEM bachelor’s with 8+ years (or advanced degree with 5+ years); strong C/C++ (or Java) and Unix/Linux experience; embedded/real-time systems, multithreading, and performance optimization skills.
C/C++, Java, Unix/Linux, tcsh, csh, bash, Git, ClearCase, VxWorks, Integrity, Agile, Scrum
1mo
Save
Mark Applied
Hide
Principal Software Engineer
Cambridge, Massachusetts, United States
$300k-$500k/yr OnsiteFull Time
Hands-on, production-focused senior IC with full-stack expertise across backend, frontend, infra, and AI systems; strong Python, cloud, databases, and LLM tooling; ownership of critical systems.
Python, Node.js, REST, gRPC, AWS, GCP, Azure, Kubernetes, Terraform, PostgreSQL, MySQL, MongoDB, Cassandra, DynamoDB, Neo4j, Vector databases, LangSmith, OpenAI, Anthropic, Frontend
1mo
Save
Mark Applied
Hide
Principal Software Engineer
Newburyport, Massachusetts, United States
OnsiteFull Time
Lead architecture of large-scale distributed systems; strong in data modeling, API design; cloud experience; proficient in modern languages; CI/CD and DevOps.
Python, C#, Java, JavaScript, REST, AWS, Azure, GCP, Angular, React, .NET, CI/CD, DevOps, Claude Code, GitHub Copilot
3mo
Save
Mark Applied
Hide
Principal Embedded Software Engineer
Cambridge, Massachusetts, United States
$95k-$245k/yr OnsiteFull Time
10-15 years embedded software experience; Bachelor’s in CS/CE/EE or 7-10 years with a Master’s; strong embedded real-time systems skills; security clearance preferred.
JTAG, in-circuit emulators, lab equipment, embedded OS techniques
1mo
Save
Mark Applied
Hide
Principal Software Developer - SafeTrace
Boston, Massachusetts, United States
$104k-$176k/yr OnsiteFull Time
10+ YOE10+ years software engineering with 5+ years in principal/architect roles; expert C# or Java/Python; experience with REST APIs, microservices, event-driven systems, CI/CD, containerization, SQL/NoSQL, AWS and Terraform; security and compliance (OWASP, OIDC, SAML2, SOC2, ISO27001, HIPAA).
C#, Java, Python, RESTful APIs, Microservices, Domain-driven design, CI/CD, Event-driven architecture, Service-oriented architecture, High-availability, Containerization, SQL, NoSQL, Epic, AWS, ECS, EKS, RDS, Lambda, S3, SQS, CloudFormation, Terraform, OWASP, OIDC, SAML2, SOC2, ISO27001, HIPAA
1mo
Save
Mark Applied
Hide
Principal Reliability Engineer – Software Quality
Boston, Massachusetts, United States
$141k-$198k/yr HybridFull Time
7+ YOEBachelor’s or Master’s in IT/CS/Software Eng with 5–7+ years in software engineering; strong knowledge of SDLC, regulatory standards, and software quality methods.
C, C++, C#, Python, SQL, Minitab
1w
Save
Mark Applied
Hide
Principal Software Engineer
Burlington, Massachusetts, United States
$178k-$230k/yr HybridFull Time
10+ YOE2+ MgmtBachelor's in CS/CE or equivalent, 10 years professional software engineering experience with strong Java, object-oriented design, database and automation skills; 2 years technical leadership; experience with cloud projects and CI/CD tools.
Java, C#, React, SQL, SQL Server, PowerShell, Jenkins, GIT, JavaScript, SOAP, REST, XML, JSON, Azure
4w
Save
Mark Applied
Hide
Principal Software Engineer
Boston, Massachusetts, United States
$193k-$319k/yr HybridFull Time
12+ YOEBachelor's in Software Engineering or related and 12 years' experience; 10+ years with Linux networking, Kubernetes CNI, and Go/Python; 8+ years with OpenShift and image-based installers; 5+ years OVN; 2+ years DPU/SmartNIC experience.
Open Virtual Network (OVN), OpenShift, Cluster Network Operator (CNO), Doca Platform Framework (DPF), Data Processing Unit (DPU), BlueField Boot (BFB), HyperShift, Red Hat Enterprise Linux CoreOS (RHCOS), Assisted Installer, Single Node OpenShift (SNO), Go, Python, Kubernetes, CNI, Linux
17h
Save
Mark Applied
Hide
AI Development & Agent Ops — Senior Principal Software Engineer
Hopkinton or Austin
$196k-$270k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience; deep familiarity with CI/CD, DevOps, developer tooling and agentic/AI development; cross-functional collaboration and strong written/verbal communication.
Windsurf, Codeium, Claude Code, GitHub Copilot, Cursor, Model Context Protocol (MCP)
Explore Jobs