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
3mo
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Systems Engineer (Computing Environment)
Herndon, Virginia, United States
$104k-$166k/yr OnsiteFull Time
8+ YOETS/SCI with poly; 8+ years experience with Bachelor’s (or 6 years with Master’s; 3 with PhD); Linux engineering; virtualization; cloud; security; CI/CD; NoSQL/SQL; REST APIs; Microservices; Docker/Kubernetes; ELK/Big data tools.
Linux, Linux Scripting, Load Balancing, Firewalls, Servers, Switches, CI/CD (GitLab, Jenkins), Docker, Kubernetes, REST APIs, NoSQL, SQL, Java, Spring, Spring Boot, Microservices, Elasticsearch, Splunk, NiFi, Kafka, AWS, Big Data, ETL, AI/ML
3d
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Full Stack Developer (Expert)
Sterling, Virginia, United States
$150k-$254k/yr OnsiteFull Time
11+ YOEBachelor's degree in CS/Engineering, 11+ years full-stack experience, front-end (HTML5, JavaScript, TypeScript, CSS), back-end (Java Spring, APIs, microservices), RDBMS/NoSQL, AWS, testing, strong problem-solving and communication.
HTML5, JavaScript, TypeScript, CSS, Java Spring, APIs, microservices, RDBMS, NoSQL, AWS, Ruby on Rails, Infrastructure as Code (IOC)
2mo
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Full Stack Software Engineer
King of Prussia or Chantilly
$82k-$172k/yr OnsiteFull Time
5+ YOEBachelor's in CS or related field; 5+ years OO language experience (Python focus); 2+ years JS/TS; SDLC; TS/SCI with Poly; full-time onsite; cloud, APIs, microservices; Agile.
Python, JavaScript, TypeScript, React, Angular, AWS, Azure, Kubernetes, Git, Jira, Confluence, REST APIs, Microservices
6d
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Principal Software Developer Engineer
Reston or Austin or Seattle
$115k-$235k/yr OnsiteFull Time
6+ YOEU.S. citizenship and active TS/SCI with Poly required. Senior software engineer with multi-year experience designing, building, testing, and operating distributed application services; experience with databases, programming/scripting, secure development, code review, and mentorship.
Oracle Cloud Infrastructure, AWS, Azure, Google Cloud, RESTful APIs, microservices, CI/CD, containers, Kubernetes, Linux, observability
2mo
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Software Developer / Engineer
Sterling or Denver
$82k-$172k/yr OnsiteFull Time
3+ YOETS/SCI clearance, Bachelor’s in STEM or equivalent, 3+ years software development experience, Java or web/front-end experience, Linux, containers/microservices, Agile, willing to obtain Security+ and polygraph.
Java 17, Spring Boot, Spring Framework, REST, JavaScript, TypeScript, Vue, Bootstrap, Mockito, JUnit, Cypress, PostGres, MySQL, Redis, AWS EC2, AWS RDS, AWS S3, AWS SNS, AWS SQS, Lamda, Git, Jira, Confluence, Gitlab CI/CD, SonarQube, Fortify, Docker, Kubernetes, GitLab
2w
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Systems Engineer (Digital Engineering Course Development)
Chantilly, Virginia, United States
$82k-$102k/yr OnsiteFull Time
0+ YOEBachelor's in STEM required, 0 years experience; foundational systems engineering and MBSE familiarity; understanding of SysML/UAF and data concepts; strong communication; must obtain and maintain TS/SCI with polygraph.
MBSE, Systems Modeling Language (SysML), UAF, relational databases, Cloud/IaC, Data Analytics, DevSecOps, AWS, Azure, Containerization, micro-services
3w
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Systems Integration Engineer
Chantilly, Virginia, United States
$78k-$176k/yr OnsiteFull Time
5+ YOEBachelor's degree, 5+ years integrating software solutions with requirements gathering and project management experience; knowledge of cloud (AWS), microservice orchestration, and stakeholder communication; active TS/SCI clearance required.
Amazon Web Services (AWS), Microservice Orchestrations, Cloud Native Technologies, Agile
2w
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Senior Software Engineer
Sterling, Virginia, United States
$185k-$225k/yr OnsiteFull Time
Design and develop front-end applications and back-end microservices in an agile environment; experience with cloud, containers, Kubernetes, REST, microservices, CI/CD; mentor junior teammates; active TS/SCI required.
REST, microservices, AWS, GCP, Azure, Kubernetes, containers, HTML5, CSS, SASS, Less, Stylus, Browserify, WebPack, Closure, Angular, Ember, React, Redux, Reactive, VueJS, Node.js, NPM, Linux, Subversion, Git, JIRA, Confluence, WebSockets, Svelte, Cesium, OpenLayers, Spring, Docker
1w
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Senior Systems Integration Engineer
Reston, Virginia, United States
$177k-$332k/yr OnsiteFull Time
8+ YOE8+ years software/systems integration experience with Java microservices, API/event-driven messaging, AWS production deployments, and integration of peripherals; Top Secret SCI required.
Java, REST, RabbitMQ, Kafka, JMS, AMQP, MongoDB, Elasticsearch, OpenSearch, AWS, Consul, Nomad, Vault, ELK, Grafana, Kibana, Logstash
1mo
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Dev/Ops Engineer
Herndon or Springfield
OnsiteFull Time
Requires current TS/SCI with Polygraph. Experience building ECS-based Python microservices, AWS architectures (ECS, Fargate, Lambda), OpenSearch, Docker, AWS CDK IaC, CI/CD, observability (CloudWatch, synthetics, tracing), and TypeScript.
ECS, Python, OpenSearch, Docker, Fargate, AWS CDK, CI/CD, CloudWatch, CloudWatch Synthetics, Lambda, TypeScript, GeoAxis, OGC-Compliant APIs, mTLS
3mo
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Senior Software Engineer (Big Data)
Chantilly, Virginia, United States
OnsiteFull Time
TS/SCI clearance with polygraph preferred; BS in CS/Engineering or related field; strong full stack, big data tech, APIs/microservices, and problem-solving skills.
Hadoop, Apache Spark, Kafka, Java, Python, C#, REST APIs, Microservices, Cloud (AWS)
1mo
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Software Engineer (SME)
Huntsville or Tysons or Chantilly or Quantico
OnsiteFull Time
10+ YOEActive Top Secret/SCI clearance (SCI-eligible) with ability to obtain CI poly; 10+ years software engineering experience; expertise in Java, Spring Boot, Microservices, Python, cloud-native development, AWS, Docker, Terraform, GitLab CI/CD, Databricks; Bachelor's degree or 4 additional years of experience.
Java, Spring Boot, Microservices, Python, AWS, Docker, Terraform, GitLab CI/CD, Databricks, Terragrunt, Maven, Agile, DevOps
3w
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Principal Quality Engineer II
Germantown, Maryland, United States
$162k/yr OnsiteFull Time
10+ YOEBachelor's in CS or Electrical/Electronics Engineering plus 10 years OSS/BSS experience; 5 years each in OSS/BSS test management, JIRA, Confluence, Qtest, Selenium, LoadRunner, Java/JSP/JavaScript, Oracle, microservices, Google Cloud Platform, Salesforce, Drupal, Kafka, Pub/Sub, agile, and automated API testing.
JIRA, Confluence, Qtest, Selenium, LoadRunner, Java, JSP, Oracle, JavaScript, Microservices, Google Cloud Platform, Salesforce, Drupal, Kafka, Pub/Sub
3mo
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Mobile Developer Senior
Ashburn, Virginia, United States
OnsiteFull Time
9+ YOEBachelor's in CS or related field; 9+ years mobile development; React Native and native iOS/Android; Typescript; CI/CD for mobile; REST and microservices; unit and end-to-end testing.
React Native, Typescript, Detox, CI/CD, REST, Microservices, RTK Query, VS Code, Gitlab, Atlassian, CI/CD pipelines
3mo
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Software Engineer - .NET / SES
Reston, Virginia, United States
OnsiteFull Time
3+ YOE3–5 years backend software engineering with C#/.NET, APIs/microservices, relational DBs, cloud, CI/CD, and DevOps practices.
.NET, C#, SQL Server, MySQL, GitHub, Azure, AWS, Docker, Kubernetes, Kafka, RabbitMQ, IBM MQ, REST, gRPC, CI/CD, Azure DevOps, Jenkins
1mo
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Back End Software Engineer
Chantilly, Virginia, United States
$87k-$198k/yr OnsiteFull Time
5+ YOE5+ years in software development with Python; AWS (serverless), RESTful APIs, microservices; SQL/NoSQL; TS/SCI with polygraph; HS diploma or GED.
Python, AWS, AWS Lambda, RESTful APIs, Microservices, SQL, NoSQL, Docker, Kubernetes, FastAPI, React
3mo
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AI Engineer
Reston, Virginia, United States
$75k-$190k/yr OnsiteFull Time
5+ YOE5+ years software/ML engineering; 2+ years Generative AI; Python proficiency; experience with vector databases and RAG; GenAI frameworks; US citizenship; Public Trust clearance preferred.
Python, LangChain, LlamaIndex, Haystack, OpenSearch, Bedrock, AWS, Docker, Kubernetes, APIs, Microservices, MLOps
1mo
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Enterprise Account Software Systems Engineer - TS/SCI with Polygraph
Herndon, Virginia, United States
HybridFull Time
Active TS/SCI with Poly; strong software engineering/DevOps; experience with Kubernetes, Docker, Helm, Terraform, AWS GovCloud, Python, LangChain; data pipelines (NIFI, Airflow, Kafka); API/microservices; DoD/IC experience.
Kubernetes, Docker, Helm, Terraform, AWS GovCloud, Python, LangChain, Apache NIFI, Airflow, Kafka, REST, APIs, microservices
3mo
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Full Stack Developer
Ashburn, Virginia, United States
OnsiteFull Time
5+ YOEBachelor's degree and 5-8 years experience; HTML, JavaScript, CSS, XML, JSON; AWS; JQuery, Angular, React; SQL; JEE Web Tier technologies; EJBS; Web services (SOAP/REST); Unix/Linux; JEE Server experience; JMS; JDBC/JPA/Hibernate; microservices experience.
Java/JEE, Web technologies, Cloud AWS, Frontend frameworks (Angular/React/JQuery), Databases JDBC/JPA/Hibernate, Web services (SOAP/REST), Unix/Linux, Server runtimes (Tomcat/WebLogic/WebSphere), Microservices, Eclipse, Spring Boot, Kubernetes, Docker, Jira, Confluence, JMS, JDBC, Hibernate, SOAP/REST, JSP/Servlets
3w
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Software Engineer
Herndon or McLean or Chantilly
OnsiteFull Time
Proficiency with modern front-end JavaScript frameworks or backend languages, microservices architecture, AWS cloud development, SQL and NoSQL databases, and RESTful API development.
React, Angular, Vue.js, Java, Python, NestJS, NodeJS, TypeScript, React Query, AWS, Lambda, DynamoDB, S3, API Gateway, PostgreSQL, MySQL, MongoDB, RESTful APIs, Camunda, Flowable, n8n.io, JIRA, Confluence, CI/CD
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