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
2mo
Save
Mark Applied
Hide
OCO Software Developer/Engineer
Annapolis Junction, Maryland, United States
$149k-$201k/yr HybridFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
8+ YOE8+ years of related experience; proficient in C/C++, Python; ability to obtain TS/SCI clearance; develop cyber tools and software.
C, C++, Python, Rust, Go, Git, CI/CD
3mo
Save
Mark Applied
Hide
Software Developer
Welcome, Maryland, United States
$75k-$102k/yr OnsiteFull Time
0+ YOE0-5 years software engineering experience; Linux environment proficiency; Java, Go, JavaScript, C/C++, Python knowledge.
Java, Go, JavaScript, C/C++, Python, Linux, Red Hat Enterprise Linux (RHEL), Docker, Kubernetes, Podman, Git, Bitbucket, Jira, HTML, CSS, React, REST, JSON, WildFly
1mo
Save
Mark Applied
Hide
Principal Software Engineer (AHT)
Hollywood, Maryland, United States
$114k-$171k/yr OnsiteFull Time
5+ YOERequires DoD Secret clearance, Bachelor's in STEM with 5+ years' experience (or Master's with 3+ years), proficiency in C# or Java, Agile/CICD (Bamboo, Jenkins), scripting (yaml, Python, PowerShell), automated testing, and test procedure development.
Bamboo, Jenkins, C#, Java, Microsoft Windows, Windows Presentation Foundation (WPF), .NET Framework, gRPC, REST, yaml, Python, PowerShell, Batch, Typescript, TestComplete 4, BitBucket, git, CVS, Jira, Confluence, Crucible, Fish-eye, SQL, Azure, AWS, Docker, Kubernetes, Ansible, Terraform, Chef, Puppet, DOORS, JMPS Framework (FW)
1mo
Save
Mark Applied
Hide
SOFTWARE ENGINEER II - TESTING
Hollywood, Maryland, United States
$96k-$115k/yr OnsiteFull Time
2+ YOEBachelor's in engineering, 2+ years software development experience, embedded systems experience, proficiency in C/C++ and familiarity with Python, experience with debugging/testing/version control, ability to obtain security clearance, strong communication and problem-solving skills.
C, C++, Python, Linux, Hardware-in-the-loop (HIL)
3mo
Save
Mark Applied
Hide
1655 - Software Developer
Patuxent River, Maryland, United States
$90k-$120k/yr OnsiteFull Time
Sigma Defense: Develops tactical communications and intelligence systems for defense.
2+ YOE2-5 years software development experience; Java; Linux (RHEL); containerized microservices; US citizen; bachelor's degree; active Secret clearance or higher
Linux, RHEL, Java, Python, Atlassian Tools, Docker
1mo
Save
Mark Applied
Hide
Principal Software Engineer
Annapolis Junction, Maryland, United States
$215k-$250k/yr OnsiteFull Time
12+ YOETwelve years SWE experience; BS in CS; frontend React; Node.js/Rust; Python; Shell; Kubernetes; microservices; multi-site apps; cloud migration.
JavaScript, TypeScript, React, Node.js, Rust, Python, Shell, Kubernetes, Microservices, Cloud
2mo
Save
Mark Applied
Hide
Software Engineer 2
Annapolis Junction, Maryland, United States
$152k-$206k/yr OnsiteFull Time
5+ YOE5+ years related experience; TS/SCI with Polygraph; Bachelor’s degree; strong Linux Bash/Python, Docker, Kubernetes, MySQL, REST, CI/CD, Git.
Bash, Python, Docker, Kubernetes, MySQL, GitLab CI, REST, Linux CLI
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
2mo
Save
Mark Applied
Hide
Software/Data Engineer
Laurel, Maryland, United States
$176k-$282k/yr OnsiteFull Time
19+ YOEBachelor's degree in Engineering, Computer Science, Mathematics, or related field with extensive software engineering experience; cloud, Linux, Python; active TS/SCI with poly; ability to work at a customer site.
OpenStack, Linux, Python, PowerShell, Cloud Security
3mo
Save
Mark Applied
Hide
Network Software Developer, Journeyman NGTS
Patuxent River, Maryland, United States
OnsiteFull Time
3+ YOEBS in science/engineering; 3+ years C++; DoD Secret clearance; experience with network programming and software development.
C++, Python, HTML, Sockets, DDS, HLA, DIS
1mo
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
2mo
Save
Mark Applied
Hide
Software Engineer (All Levels)
Annapolis Junction, Maryland, United States
OnsiteFull Time
TS/SCI with polygraph; experience in Python, Java, C++, or similar; large-scale data, distributed systems, or real-time processing; degree in Computer Science or Software Engineering (or equivalent); collaborative mindset; plus AWS, DevOps/CI/CD, Docker/Kubernetes and ML exposure.
Python, Java, C++, Docker, Kubernetes, AWS, CI/CD
1mo
Save
Mark Applied
Hide
Full Stack Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
3+ YOEExperienced software engineer skilled in Python/Java, front-end web tech, data processing, and streaming tools. Top Secret clearance required with polygraph. U.S. work authorization; no visa sponsorship.
Python, Java, Streamlit, TypeScript, HTML, CSS, JavaScript, React, Angular, Vue, Apache Spark, Jupyter Notebook, pandas, NumPy, Parquet, JSON, CSV, XML, Git, Apache Airflow, MySQL, MariaDB, PostgreSQL, Slurm, JIRA, Confluence
2mo
Save
Mark Applied
Hide
Sr Software Developer
Annapolis Junction or Columbia
$174k-$220k/yr OnsiteFull Time
20+ YOEActive security clearance with FS Poly; 20+ years as a software engineer in similar scope, or 4+ years of experience
Java, PostgreSQL, Database design, RESTful API, Docker, Power BI, Python, Power Query M, MariaDB, Elasticsearch
3mo
Save
Mark Applied
Hide
Launch Engineer, Operations
Colorado or California or Texas or Florida or Virginia or Lompoc or Wallops Island or Cape Canaveral or Sweden
FieldFull Time
5+ YOEBachelor's in engineering,5+ years in test/launch or high-consequence operations, on-console experience, automation/procedure development, proficiency with Python or MATLAB, comfortable with field testing and hazardous materials.
Python, MATLAB, Confluence, Jira, SVN, Bitbucket, Git, SCADA
3mo
Save
Mark Applied
Hide
Software Engineer 3 - III
Annapolis Junction, Maryland, United States
RemoteFull Time
12+ YOE12+ years software engineering experience on complex programs; bachelor's in CS; 4 additional years may substitute for degree.
React, JavaScript, node.js, Rust, Python, shell script, Kubernetes, Helm, Micro-Services, Service-mesh, Load Balancing, Cloud Migration, nifi, JEST, Grafana, InfluxDb, Elasticsearch, Redis, mysql, Apache Superset, RabbitMQ, Kafka, Ansible, Salt, Terraform, Web-Sockets, JBLOCKS, CASPORT, Neo4j
2mo
Save
Mark Applied
Hide
Cloud Engineer (2026-0128)
Annapolis Junction, Maryland, United States
$240k-$270k/yr OnsiteFull Time
6+ YOE6+ years in Cloud Engineering/DevOps; AWS expert with certifications; IaC (OpenTofu/Terraform); Kubernetes; Ansible; Git; Python; networking; STE/STN knowledge; Bachelor’s degree or equivalent experience.
OpenTofu, Terraform, Ansible, Kubernetes, Git, Python, AWS, CI/CD tooling
1mo
Save
Mark Applied
Hide
Systems Engineer - Level 2
Edwards AFB or Palmdale or Fort Worth or Las Vegas or Marietta or Patuxent River or California or Georgia or Maryland or Nevada or Texas
$73k-$129k/yr OnsiteFull Time
US citizen with a Bachelor’s degree in a STEM discipline, experience in systems engineering development/decomposition, familiarity with hardware/software integration, test planning, and related tools/processes.
C, C++, Python, MATLAB, DOORS, JIRA, CATIA, Dimension SPAR
1mo
Save
Mark Applied
Hide
Senior Systems Engineer
Annapolis Junction, Maryland, United States
$230k-$262k/yr OnsiteFull Time
20+ YOEActive TS/SCI with polygraph; 20+ years SE experience; BS in a related field; Linux CLI; scripting (Bash/Python); Linux admin in large environments; Delinea product experience; IAM and secrets; IaC (Ansible/SaltStack); containerization knowledge.
Linux, Bash, Python, Ansible, SaltStack, Delinea, Docker, Podman, LDAP, Active Directory, FreeIPA, Git
3mo
Save
Mark Applied
Hide
Operational Technology Data Engineer (Salisbury, MD, US, 21804)
Salisbury, Maryland, United States
$89k-$133k/yr OnsiteFull Time
4+ YOE4+ years OT data engineering; experience with OT systems, data historians; SQL, Python; cloud ingestion; familiarity with industrial protocols.
SQL, Python, REST APIs, Azure, AWS, Databricks, Snowflake, AVEVA PI, FT Historian, Canary, Ignition, OPC UA, EtherNet/IP, Modbus, Power BI
Explore Jobs