PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
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
Software Engineer
Chantilly, Virginia, United States
$69k-$158k/yr OnsiteFull Time
2+ YOE2+ years in software development; Java, Python, Rust, or Go; microservices; TS/SCI clearance; Bachelor's degree.
Java, Python, Rust, Go, Docker, Kubernetes, Linux, AWS, Azure, Google Cloud, C, C++, C#, JavaScript, React, Node.js
2mo
Save
Mark Applied
Hide
Software Engineer
Chantilly, Virginia, United States
$69k-$158k/yr OnsiteFull Time
2+ YOE2+ years software development; Java, Python, Rust or Go; experience modernizing legacy apps and microservices; TS clearance; Bachelor's degree.
Java, Python, Rust, Go, Docker, Kubernetes, Linux
3w
Save
Mark Applied
Hide
Cyber Engineer
Herndon, Virginia, United States
$118k-$151k/yr OnsiteFull Time
6+ YOEActive TS/SCI clearance, BS in CS/CE/InfoSec (or equivalent), 6+ years software engineering experience, Linux development, Java/Python/Go/C/C++/bash, TCP/IP protocols, Git, and familiarity with Red Hat/Fedora/Ubuntu.
Linux, Java, Python, Go, C/C++, bash, TCP/IP, HTTP, SSH, IPSEC, TLS/SSL, Git, Red Hat Enterprise, Fedora, Ubuntu, RDP, Citrix Receiver, VMware Horizon View, Microsoft Azure, AWS
1mo
Save
Mark Applied
Hide
Lead Software Engineer
Reston, Virginia, United States
$90k-$150k/yr HybridFull Time
8+ YOE8+ years software development, 5+ years OOP, experience with cloud-native microservices, RESTful APIs, RDBMS and NoSQL, proficiency in Java/Python/C++/Go, Spring Framework, CI/CD, and Agile/DevOps practices.
Java, Python, C++, Go, Spring Framework, Spring Boot, Spring Data, Spring Batch, MongoDB, Cassandra, JSON, YAML, AWS, Azure, Google Cloud, Docker, Kubernetes, Ansible, Kafka, Prometheus, Grafana, Splunk, Git, JIRA, Slack, CI/CD, SIP, DNS, HTTP, SSL, OAuth2, STIR/SHAKEN, Angular, React
2mo
Save
Mark Applied
Hide
Sr Software Engineer II
Sterling, Virginia, United States
HybridFull Time
8+ YOE8+ years software development; experience designing highly available cloud-based systems; backend experience with Java/Scala/Go/C#; SQL/NoSQL data stores; bachelor's in CS/Engineering.
Java, Scala, Go, C#, SQL, NoSQL, cloud services
2mo
Save
Mark Applied
Hide
Full Stack Engineer
Reston, Virginia, United States
OnsiteFull Time
Concept Plus: Delivers enterprise IT services for federal government agencies.
US citizen with TS/SCI clearance; cloud, DevOps, and full stack development; Terraform, Docker/Kubernetes; CI/CD; Oracle DB; Python/JavaScript/Java/Go; Linux; BS in Computer Science; CompTIA Security+ (preferred).
Terraform, Docker, Kubernetes, CI/CD, Jenkins, GitLab, Oracle DB, Python, JavaScript, Java, Go, Linux, AWS, OCI, Azure
4d
Save
Mark Applied
Hide
Lead Software Engineer (Data)-4555
Reston, Virginia, United States
HybridFull Time
7+ YOE7 years developing data products with Go and Python; 5 years writing SQL for Clickhouse; experience with Snowflake, AWS (EKS, EMR, RDS, S3), Airflow, Looker, GitHub, Jenkins, Grafana; Bachelor's in CS/Engineering.
Go, Python, Clickhouse, Snowflake, AWS EKS, AWS EMR, AWS RDS, AWS S3, Airflow, Looker, GitHub, Jenkins, Grafana
1mo
Save
Mark Applied
Hide
Staff Software Engineer, Command and Control
Seattle or Herndon or United States
$150k-$180k/yr HybridFull Time
8+ YOEBachelor’s or Master’s in a computational field or equivalent experience, 8+ years software development, fluency in Python and strong Go skills, expertise in scalable software design and data structures, strong communication and problem-solving.
Python, Go
1mo
Save
Mark Applied
Hide
Principal Solutions Developer , Prototyping and Customer Engineering (PACE)
Boston or Austin or Arlington or Seattle or New York or Herndon or Chicago or San Francisco or Dallas
$183k-$284k/yr OnsiteFull Time
15+ YOE15+ years technical experience, bachelor's in CS/engineering/math (or equivalent), expertise in cloud architecture and CXO engagement, experience developing end-to-end solutions, programming with Python/JavaScript/Go/.Net/Java, EMR of distributed systems.
Python, JavaScript, Go, .Net, Java, AWS
1mo
Save
Mark Applied
Hide
Software Developer II (Kubernetes and Integration Specialist)
Manassas or Chantilly or Virginia
$69k-$166k/yr OnsiteFull Time
2+ YOEActive DoD Secret clearance, 2+ years software development experience (Bachelor's) or 0–2 with Master's; Kubernetes/Docker, Python/C++/Java/Go, REST APIs, CDI familiarity, local to Northern Virginia with ~10% travel, ability to integrate software into naval systems.
Kubernetes, Docker, Python, C++, Java, Go, REST APIs, microservices, composable and disaggregated infrastructure (CDI)
2mo
Save
Mark Applied
Hide
Software Engineer
Reston, Virginia, United States
OnsiteFull Time
3+ YOEStrong engineering background; 3+ years with Java, Python, C++, Rust, Go, JavaScript; data processing experience; navigate complex systems; travel up to 25%; eligible for U.S. Secret clearance.
Java, Python, C++, Rust, Go, JavaScript
3w
Save
Mark Applied
Hide
AI/ML Engineer
Herndon or Annapolis Junction
$135k-$216k/yr OnsiteFull Time
3+ YOEDegree with relevant years of experience (BSc+8, MSc+6, PhD+3), strong Python development, experience with additional languages (C/C++/JavaScript/Go/Java), LLM/API integration, AI/ML engineering, US citizenship and ability to obtain FAA Public Trust, local to Herndon, VA.
Python, C, C++, JavaScript, Go, Java, PyTorch, TensorFlow, Anthropic Model Context Protocol (MCP), Docker, Kubernetes, Terraform, LLMs, AI APIs
2w
Save
Mark Applied
Hide
Cyber Engineer
Herndon, Virginia, United States
$85k-$114k/yr OnsiteFull Time
3+ YOEActive TS/SCI clearance, BS in CS/CE/InfoSec or equivalent, 3+ years software engineering, Linux and networking expertise, familiarity with Java/Python/Go/C/C++/Bash, Git, and certificate/key concepts.
Java, Python, Go, C/C++, Bash, TCP/IP, HTTP, SSH, IPsec, TLS/SSL, Git, Red Hat Enterprise Linux, Fedora, Ubuntu Linux, Microsoft Azure, AWS, RDP, Citrix Receiver, VMware Horizon View
2mo
Save
Mark Applied
Hide
Blockchain Developer
Manassas, Virginia, United States
$122k-$226k/yr OnsiteFull Time
10+ YOE10-12 years in systems development; strong blockchain, smart contracts, and distributed systems skills.
Hardhat, Truffle, Foundry, Solidity, Rust, JavaScript, TypeScript, Go, Python
1mo
Save
Mark Applied
Hide
AI Engineer
Herndon, Virginia, United States
OnsiteFull Time
Bachelor's degree in CS or related field, proficiency in Go and Python, plus another modern language; experience with AI/ML frameworks, OpenAI, containerization (Kubernetes, Docker), DevOps/CI/CD, databases (SQL/NoSQL), and automation tools.
Go, Python, Java, C#, Rust, IBM UFT, Microsoft Power Automate, Kubernetes, Docker, OpenAI, Terraform, Ansible, SQL, NoSQL, CI/CD
2w
Save
Mark Applied
Hide
Full Stack Software Development Engineer
Herndon, Virginia, United States
$140k-$160k/yr OnsiteFull Time
2+ YOEU.S. citizenship with active TS/SCI clearance, bachelor's in CS/software engineering or equivalent, 2+ years software development, experience with modern languages (Python/Java/Go/Rust), Linux, cloud (AWS/AWS C2S), containers, Git, CI/CD.
Python, Java, Go, Rust, Linux, AWS, AWS C2S, Docker, Kubernetes, Elasticsearch, MongoDB, Git, CI/CD
2mo
Save
Mark Applied
Hide
Principal Software Development Engineer
Reston, Virginia, United States
$185k-$277k/yr HybridFull Time
9+ YOE9+ years in software engineering; Python/Go/Java; SDLC mastery; architecture and data modeling; security risk automation; leading roadmaps and mentoring.
Python, Go, Java, Git, APIs, Data pipelines, ETL/ELT, SRS, PoCs
1mo
Save
Mark Applied
Hide
Custom Software Engineer
Warrenton or Tampa or Cleveland or California or Colorado or Hawaii or Illinois or Maryland or Massachusetts or Minnesota or New Jersey or New York or Washington or Vermont or District of Columbia
$112k-$150k/yr OnsiteFull Time
3+ YOE3+ years with modern languages (Python, Kotlin, Java, Go, TypeScript, JavaScript); experience with MySQL/Postgres/MongoDB; front-end framework experience (Vue, React, Angular); ability to operate in classified programs and adhere to cybersecurity/data governance.
Python, Kotlin, Java, Go, TypeScript, JavaScript, MySQL, Postgres, MongoDB, Vue, React, Angular, AWS, Azure, Docker, Kubernetes, Gitlab, Harbor, Nexus, Argo CD
1mo
Save
Mark Applied
Hide
Junior Software Engineer Internship
Herndon, Virginia, United States
OnsiteInternship
Pursuing a BS in CS/CE or related field, US citizenship required to obtain Top Secret clearance, experience with Go or Python, understanding of networking and data structures, familiarity with Docker/Kubernetes and CI/CD.
Go, Python, Docker, Kubernetes
2w
Save
Mark Applied
Hide
Software Engineer, 3rd-Party Integrations
Reston, Virginia, United States
$166k-$220k/yr OnsiteFull Time
Active U.S. Top Secret/SCI clearance, strong software background in Go/Rust/Python, distributed-systems fundamentals, GCP/cloud architecture experience, edge/on-prem comfort, and willingness to travel.
Go, Rust, Python, Keycloak, LDAP, GCP, VPC, IdP, NixOS, DNS, DSB, NCC, CoTv2
Explore Jobs