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
2mo
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Senior Backend Engineer (Ruby on Rails/Python) - Content Foundations
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Miami or New York City or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Washington, D.C. or Ottawa or Toronto or Vancouver or Mexico City
$120k-$217k/yr HybridFull Time
7+ YOE7+ years software engineering; experience with ingestion pipelines, ETL, and content processing; proficient in Ruby, Python, or Go; AWS and distributed workflows; strong DB design; effective communicator.
Ruby, Python, Go, AWS, SQL, NoSQL, ETL, LLM
2d
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Engineer I - Test Systems
Westminster, Colorado, United States
OnsiteFull Time
BS in engineering or related field, electronics test and troubleshooting experience, Python or Ruby scripting, circuit and board-level test knowledge, and willingness to obtain Top Secret/SCI clearance.
Python, Ruby, MATLAB, LabVIEW, DOORS
3mo
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Staff Engineer, Core Services Platform
San Francisco or Denver
$225k-$278k/yr HybridFull Time
10+ YOE10+ years backend engineering; tech lead experience; distributed systems design; proficient in Ruby/Scala/Go/Java; AWS; Kafka/Kubernetes; MySQL/Redis/Cassandra.
Ruby, Scala, Go, Java, AWS, Kafka, Kubernetes, MySQL, Redis, Cassandra
1mo
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Senior ML Engineer
Denver or United States
$180k-$200k/yr HybridFull Time
6+ YOE6+ years engineering experience with 3+ years in ML platform/ML Ops or applied ML; strong LLM and Python skills; Ruby on Rails familiarity; cloud-native (AWS), containers, IaC expertise; on-call experience and strong communication.
Claude Code, Python, Ruby on Rails, AWS, Containers, Infrastructure as Code (IaC), LLM
3w
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Spacecraft Operations Engineer I/II
Littleton, Colorado, United States
$82k-$118k/yr OnsiteFull Time
2+ YOEBachelor's in engineering, spacecraft/ground-systems experience, software development (Python/Ruby/C/C++), understanding of spacecraft subsystems and orbital mechanics, U.S. citizenship required; Engineer II prefers 2+ years experience.
Python, Ruby, C, C++, GIT, CI/CD, cloud infrastructure, flatsat, HITL, HIL
1mo
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DAF Support Engineer
Longmont, Colorado, United States
$71k-$105k/yr OnsiteFull Time
U.S. citizen with active Secret clearance, ability to support 24/7 rotational shifts, bachelor’s in engineering/CS or 4 yrs experience, background in Windows/Unix/Linux, scripting (Python or Ruby), and strong communication skills.
Windows, Unix/Linux, Python, Ruby, XML, JSON
2mo
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Engineer Principal - Software - Payload Test
Broomfield, Colorado, United States
$118k-$201k/yr HybridFull Time
6+ YOEBachelor's in engineering or related plus 6+ years experience, active TS/SCI clearance, strong software engineering skills (Windows, OOP), coding and test experience; Ruby, Python, RDBMS, LabVIEW desirable; agile, CI, unit testing, MS Office proficiency.
Ruby, Python, RDBMS, LabVIEW, Microsoft Office, Windows
1mo
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IC Design Engineer
Fort Collins or San Jose
$101k-$162k/yr OnsiteFull Time
3+ YOEExperience in design automation for ASICs; proficiency with Perl, Python, Ruby, Tcl, C++, Verilog HDL, UNIX/Linux; understanding of digital logic and scan test architecture; bachelor's/master's in related engineering with 3–5+ years' experience.
Bash, Perl, Ruby, Python, Tcl, C++, Verilog HDL, UNIX, Linux
1w
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Space Vehicle Test Engineer Sr
Littleton, Colorado, United States
$89k-$158k/yr OnsiteFull Time
Bachelor's in engineering or related experience, prior test experience, proficiency with scripting (Python/PHP/Ruby), TS/SCI clearance, strong technical writing and communication skills.
Python, PHP, Ruby
1mo
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System Dev Engineer II, Analytics ADC
Denver, Colorado, United States
$99k-$160k/yr OnsiteFull Time
2+ YOEActive TS/SCI with polygraph required; 2+ years professional software development; experience with systems engineering, networking, Linux, coding (Java/Python/Ruby), and system design/automation.
Amazon EMR, Amazon Athena, Amazon Redshift, Linux, CI/CD, Scrum, PowerShell, Python, Ruby, Java
1mo
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CPU Cores Validation Senior Staff Engineer
Fort Collins, Colorado, United States
$178k-$268k/yr HybridFull Time
Experienced silicon validation engineer with strong programming (x86 assembly, C/C++, Perl, Ruby, Python), HDL knowledge (Verilog/System Verilog), DFT/JTAG familiarity, lab validation experience, and BS/MS in EE/CS/CSE.
x86 assembly, C, C++, Perl, Ruby, Python, Verilog HDL, System Verilog, JTAG -1149.x, BIST, LSSD/MuxD, RTL, DFT
2w
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Principal Guidance Navigation and Control Engineer
Boulder, Colorado, United States
$170k-$260k/yr OnsiteFull Time
13+ YOEBS in engineering required; ~13+ years related experience preferred. Experience with GN&C, orbital mechanics, MATLAB/Simulink, 6-DOF simulation, C and Ruby, model-based design, and configuration/issue tracking.
MATLAB, Simulink, C, Ruby
1w
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Senior DevOps Engineer, Security
United States or San Francisco or Portland or Seattle or Denver or New York City
$150k-$195k/yr RemoteFull Time
3+ YOE3+ years container production experience, 5 years AWS with IaC and security, proficiency with Docker and container orchestration, familiarity with NGINX, at least one language (Python, Go, Ruby), monitoring tools, CI/CD and security/compliance experience.
AWS, Docker, Kubernetes, ECS, NGINX, Python, Go, Ruby, Datadog, NewRelic, CloudWatch
4d
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Senior System Test Engineer - Mechanisms and Test Scripts - $10K Sign on Bonus
Boulder, Colorado, United States
$97k-$165k/yr OnsiteFull Time
4+ YOEBS in engineering plus 4+ years experience, Top Secret/SCI clearance, experience testing mechanisms/electro-mechanical systems, scripting (Python/Ruby), Git/SVN, MATLAB, EM/EGSE familiarity, strong communication and attention to detail.
Python, Ruby, Git, SVN, MATLAB, Microsoft Office, EGSE
2mo
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Staff Software Engineer, Developer Productivity Async
Denver or San Francisco or New York or Los Angeles or Seattle or Toronto
$189k-$250k/yr HybridFull Time
10+ YOE10+ years software development; strong Ruby on Rails; experience with asynchronous processing (Sidekiq/Kafka); tooling for large engineering teams; AI-enabled productivity improvements.
Ruby, Rails, Sidekiq, Kafka, LLMs, AI tools
3mo
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Senior Software Engineer
Charlotte or Denver or Minneapolis
$118k-$155k/yr HybridFull Time
5+ YOE5+ years in software development with TypeScript; Node.js, Golang or Ruby; 3+ years with Express or Ruby on Rails; SQL/PostgreSQL; ORM; CI/CD; IaC; BS in CS or related (or equivalent experience).
TypeScript, Node.js, Golang, Ruby, Express, Ruby on Rails, PostgreSQL, SQL, Prisma, Sequelize, TypeORM, CI/CD, Infrastructure as Code, NoSQL
2w
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Staff Software Engineer
Broomfield, Colorado, United States
$145k-$185k/yr HybridFull Time
10+ YOE10+ years full‑stack software engineering experience; deep Ruby on Rails and Vue.js expertise; API and MySQL proficiency; proven technical leadership and mentoring; experience with AI-assisted development tools.
Ruby on Rails, ActiveRecord, Vue.js, MySQL, GitHub Copilot, Cursor, Claude Code, Go (Golang), Node.js, Anthropic, OpenAI, AWS, OpenSearch, Redis, Kafka, Docker, CI/CD
1mo
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Staff Security Engineer
New York City or Denver or Dallas or Miami or United States
$169k-$210k/yr RemoteFull Time
8+ YOE8+ years security engineering experience across application and cloud security, strong AWS security and IaC knowledge, experience in regulated environments (healthcare), ability to read backend code (Ruby, Node.js, Java), and experience with AI/LLM security guidance.
AWS, Terraform, CI/CD, SAML 2.0, OAuth, OIDC, Ruby, Node.js, Java, OWASP Top 10 for LLM Applications, OWASP GenAI Security Project
2mo
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Principal Engineer
Denver, Colorado, United States
$180k-$200k/yr HybridFull Time
10+ YOE10+ years in technical leadership; BA/BS in Computer Science; Ruby/Rails, TypeScript/React, Go, Python; AI-native workflow experience; agentic apps; scaling complex products.
Ruby, Rails, TypeScript, React, Go, Python, AI tooling
2mo
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Sr Systems Engineer (Clearance Required)
Centennial or United States
$144k-$198k/yr HybridFull Time
12+ YOERequires TS U.S. security clearance; bachelor’s in a related field with 10+ years experience; strong systems engineering, lifecycle, and programmatic skills; executable in government/space domains.
C, C++, Python, JavaScript, Ruby, OpenShift, Kubernetes, Cloudera, GovCloud, NASA/space domain tools