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
3w
Save
Mark Applied
Hide
Backend Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
12+ YOESenior backend developer with Java Spring Boot microservice experience, familiarity with SQL/NoSQL databases, containerization (Docker, Kubernetes, Rancher), CI/CD (GitLab CI, Jenkins), Git, Atlassian tools, automated testing, and TS/SCI clearance with polygraph.
Java, Spring Boot, PostGres, MySQL, Elasticsearch, MongoDB, GitLab CI, Jenkins, Git, Jira, Confluence, Docker, Kubernetes, Rancher
2mo
Save
Mark Applied
Hide
Backend Software Engineer
Gaithersburg, Maryland, United States
$108k-$195k/yr OnsiteFull Time
6+ YOEActive Top Secret/SCI clearance with CI poly eligibility; bachelor’s (required) or master’s in CS or related; 6+ years experience (varies by degree); strong Java or Python, SQL, REST API, Linux skills.
Java, Python, SQL, Linux, RESTful APIs, Apache Airflow, PostGIS, Spring Boot, Django, GitLab, Jenkins, Docker, OpenShift, Kubernetes, AWS, Azure
2w
Save
Mark Applied
Hide
Back End Developer
Annapolis Junction, Maryland, United States
$129k-$206k/yr OnsiteFull Time
7+ YOEActive TS/SCI with Polygraph, 7+ years technical experience, Bachelor's in Computer Science or related (or +4 years experience in lieu), strong Python/Java/C++, PostgreSQL/SQL, Git, AWS, and Agile experience.
Python, Java, C++, PostgreSQL, SQL, Git, Amazon Web Services, API Gateway, Lambda, Jira, Confluence
2mo
Save
Mark Applied
Hide
Junior Backend Software Developer
Columbia, Maryland, United States
$115k-$160k/yr OnsiteFull Time
3+ YOETop Secret/SCI clearance with polygraph; bachelor's degree; 3 years software development; Java, REST, Spring Boot; MongoDB; automated testing.
Java, Spring Boot, MongoDB, REST, Automated Testing
3mo
Save
Mark Applied
Hide
Mid-Level Back End Developer
Lackland AFB or Fort Meade
OnsiteFull Time
7+ YOESeven years of software development experience; DoD TS/SCI preferred; 5+ years with multiple tech including Python, Java, Docker, OpenStack, Ansible, Terraform, Kubernetes; backend/REST API focus; CI/CD and DevSecOps.
Python, Java, Docker, OpenStack, Ansible, Packer, Terraform, Kubernetes, Red Hat Enterprise Linux, PostgreSQL, REST, GitLab, Jenkins, Maven, Puppet, Chef, AWS, Jira
1mo
Save
Mark Applied
Hide
Software Engineer III - Front End/ Back End
Columbia, Maryland, United States
$110k-$130k/yr RemoteFull Time
8+ YOE8+ years software engineering experience (or equivalent), strong Java and Spring Boot backend skills, RESTful API and microservices experience, relational DB experience, Git and CI/CD familiarity, US citizenship and DHS Public Trust eligibility.
Java, Spring Boot, RESTful APIs, Oracle, PostgreSQL, Microsoft SQL Server, Git, Docker, Kubernetes, EKS, Jenkins, GitHub, SonarQube, Splunk, Kafka, New Relic, Angular, React, C#, .NET, VB.NET, C++, Tomcat, Oracle SQL Developer, AWS
6d
Save
Mark Applied
Hide
Junior Software Developer (Backend Focused)
Annapolis Junction, Maryland, United States
OnsiteFull Time
3+ YOE3+ years software engineering with a technical Bachelor's (or 7+ years experience), strong Java and Spring Boot skills, MongoDB or similar DB experience, and automated testing experience; active TS/SCI with poly required.
Java, Spring Boot, MongoDB, Apache Kafka, Linux, Vue.js
2mo
Save
Mark Applied
Hide
SOFTWARE ENGINEER - Back End/AWS - 7+ yrs of Experience (PARTIAL TELEWORK) - TS/SCI w/Poly clearance is required - BT
Annapolis Junction, Maryland, United States
$160k-$165k/yr HybridFull Time
7+ YOE7+ years of software engineering experience with back-end/AWS, Agile, QA, and documentation credentials.
AWS, Git, Java, C++, Python, PostgreSQL, SQL, Jira, Confluence
1mo
Save
Mark Applied
Hide
Senior Java Developer (Active TS/SCI with Poly Required - (SIGN-ON BONUS UP TO $30,000)
Annapolis Junction, Maryland, United States
$164k-$207k/yr OnsiteFull Time
5+ YOEActive TS/SCI with poly; Bachelor's in a technical field; 5+ years software development; 4+ years Java; microservices, Spring, Docker, Kubernetes; strong backend architecture.
Java, Kotlin, Spring Boot, Spring Cloud, Spring Data, AWS, Docker, Kubernetes, Linux, Kafka, Cassandra, DynamoDB, GitLab CI/CD, Maven, Node.js, SonarQube, IntelliJ, VSCode, ReactJS
6d
Save
Mark Applied
Hide
Forward Deployed Engineer
Columbia or Orlando
HybridFull Time
5+ YOE5+ years backend/platform software engineering, Kubernetes production experience, GitOps (ArgoCD/Flux), Terraform/Helm/Kustomize, troubleshooting distributed systems, cloud (AWS) and scripting (Bash/Python); active DoD Secret clearance required.
TypeScript, Java, Go, Python, Kubernetes, ArgoCD, Flux, Terraform, Helm, Kustomize, Calico, Cilium, Multus, GitOps, AWS, Bash, Shell, Prometheus, Grafana, EFK, Istio, Linkerd, eBPF, EKS, IAM, VPC
2mo
Save
Mark Applied
Hide
Software Engineer | Secure AI
Columbia, Maryland, United States
OnsiteFull Time
Strong Java backend experience (Spring/Guava), API and microservice design, applied AI familiarity (prompt engineering, RAG), Git/Maven/Linux workflows, and eligibility for U.S. government security clearance.
Java, Spring, Guava, Model Context Protocol (MCP), Retrieval-Augmented Generation, LangChain4j, LangChain, LlamaIndex, Git, Nexus, Maven, Linux, Spring AI, vector databases, NiFi, Kafka, AWS, Kubernetes, SQL, NoSQL, Python, Big Data
1w
Save
Mark Applied
Hide
Cleared Hybrid Data Engineer (5418)
Hanover, Maryland, United States
$103k-$172k/yr HybridFull Time
4+ YOEBachelor's degree, 4+ years data engineering/backend experience, Secret clearance, proficiency in Python, SQL, Java, cloud data warehouses, distributed computing and data integration platforms.
Python, SQL, Java, Snowflake, AWS Redshift, Spark, Databricks, Kafka, Azure Data Factory, AWS Glue, Apache Airflow, AWS, GCP, Azure, MuleSoft
2w
Save
Mark Applied
Hide
Software Engineer Level 1
Fort Meade, Maryland, United States
$160k-$180k/yr OnsiteFull Time
7+ YOEActive TS/SCI with polygraph, Bachelor’s degree, 7+ years software engineering experience, Java and backend development, RESTful APIs, Agile, Git, Jira, Confluence, IntelliJ or Eclipse, strong troubleshooting and communication skills.
Java, Git, Jira, Confluence, IntelliJ IDEA, Eclipse IDE
1w
Save
Mark Applied
Hide
Software Engineer 2
Annapolis Junction, Maryland, United States
$200k-$230k/yr OnsiteFull Time
14+ YOE14 years software engineering experience (or BS + experience substitution), bachelor’s in computer science or related (or 4 years extra SWE experience), active security clearance with polygraph, experience with Java, web frameworks, containers, Linux, Git, and backend/frontend development.
Java, React JS, Node JS, AWS, Docker, MongoDB, Git, Kira, Confluence, Atlassian Products, Linux Command Line, Spring Boot, JavaScript, ReactJS, Apache Kafka, Apache Nifi, Docker Compose, Maven, SQL
2mo
Save
Mark Applied
Hide
Software Engineer 3 (Data Dictionary) (TS/SCI with Poly)
Fort Meade, Maryland, United States
$185k-$195k/yr HybridFull Time
3+ YOE3+ years Java/Spring, REST APIs, Postgres, Linux, Docker/Kubernetes; TS/SCI with poly; ability to design backend and APIs; mentor engineers.
Java, Spring, Spring Boot, REST, PostgreSQL, Linux, Docker, Kubernetes, JIRA, Redmine
1w
Save
Mark Applied
Hide
Software Engineer
Annapolis Junction, Maryland, United States
$115k-$251k/yr OnsiteFull Time
Experience with backend or cloud-native development (Java, Python, C++, Go), containerization (Kubernetes, Docker), AWS, CI/CD, and distributed systems; active TS/SCI with polygraph and U.S. citizenship required.
Java, Python, C++, Go, Spring Boot, REST APIs, AWS, Kubernetes, Docker, Terraform, SQL, NoSQL, Elasticsearch/OpenSearch, Git, Linux, CI/CD, AI/ML, Big data frameworks
2mo
Save
Mark Applied
Hide
Software Engineer
Baltimore or Annapolis
HybridFull Time
5+ YOE5+ years enterprise software development; BS in Computer Science or related field; backend languages Java/C/C++/Rust/Python; experience with scalable systems; strong documentation; cryptography or cloud knowledge preferred.
Java, C/C++, Rust, Python, Cryptol, Haskell, Docker, Kubernetes, AWS, Azure
2w
Save
Mark Applied
Hide
Quality Assurance Specialist/Engineer
Arlington or Baltimore or United States
RemoteFull Time
4+ YOEU.S.-based QA engineer with 3–5+ years testing enterprise applications, automation experience (Playwright/Selenium/Cypress), API and frontend/backend testing, Java/Spring, SQL, AWS knowledge, and ability to obtain Public Trust clearance.
Playwright, Selenium, Cypress, Angular, React, REST, Java, Spring Framework, Spring Boot, SQL, PostgreSQL, MySQL, AWS Aurora, XML, JSON, EC2, EKS, ECS, RDS, S3, Lambda, Secrets Manager, CloudWatch, Git, GitHub, GitHub Actions, Harness, Jenkins, ArgoCD, SonarQube, Checkmarx, Twistlock, Docker, Kubernetes, Splunk, New Relic, Apache ActiveMQ, Apache Kafka, Jira, Confluence
1w
Save
Mark Applied
Hide
Software Engineer 3 (FST - 121)
Annapolis Junction, Maryland, United States
OnsiteFull Time
20+ YOEActive TS/SCI with polygraph, 20 years SWE experience, Bachelor's in Computer Science (or 4 years additional experience), strong backend/full-stack development with Java, JavaScript, cloud and distributed systems.
AWS, Docker, Kubernetes, EKS, Rancher, Tomcat, Spring, JMS, Java, JavaScript, mongo DB, Elasticsearch, Postgres, Mysql, SpringBoot, REST, Cockroach DB, Kibana, Alfresco, Node, Svelt, React, Angular, Confluence, Jira, Maven, Git
2w
Save
Mark Applied
Hide
Sr Software Engineer
Annapolis Junction or Columbia
$179k-$225k/yr OnsiteFull Time
12+ YOEMust hold current Poly clearance, 12 years SWE experience required, Bachelor\u0000s in Computer Science or related (or +4 years SWE), backend big data with Python/Java, front-end JavaScript (Vue.js/PrimeVue), Linux/Ubuntu, AWS experience preferred.
Python, Java, Linux, Ubuntu, AWS, JavaScript, Vue.js, PrimeVue
Explore Jobs