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
1mo
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Software Engineer - Java, Microservices, MuleSoft & API Development (Remote)
Baltimore, Maryland, United States
$80k-$158k/yr RemoteFull Time
5+ YOEBachelor's in IT/Computer Science (or 4 additional years experience), 5+ years software design/development, experience with Java, microservices, APIs, MuleSoft, Docker/Kubernetes, AWS/Azure, SQL/NoSQL, CI/CD, testing frameworks, and mentoring/leading teams.
Java, Spring, Spring Boot, Spring Cloud, Spring Core, Spring MVC, Spring Integration, Spring Batch, REST, SOAP, Docker, Kubernetes, Microsoft Azure, Microsoft Azure Monitor, Microsoft Azure Kubernetes Service (AKS), AWS, Oracle, Postgres, PostgreSQL, Mongodb, Cassandra, Elastic/ELK, Splunk, Kibana, Confluent, Apache Kafka, Kafka Streams, Postman, newman, MuleSoft, Dataweave, FHIR (Fast Healthcare Interoperability Resources), HL7, Cucumber, TestNG, Rest Assured, JSON, XML, Git, Bitbucket, Jira, Swagger/OpenAPI Specification, Service Mesh, OAuth, Apigee, Maven, Jenkins, SonarQube, Artifactory, UNIX, Shell
3mo
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Software Engineer
Aurora or Annapolis Junction
$72-$84/hr HybridFull Time
5+ YOE5+ years in software engineering; Java, Spring Boot, Kafka; WebSockets; microservices; SQL/NoSQL databases; OCI containers; Docker/Kubernetes; TS/SCI clearance with polygraph; Bachelor's in Software Development/Engineering
Java, Spring Boot, Kafka, WebSockets, Microservices, MySQL, PostgreSQL, MongoDB, Docker, Kubernetes, OCI containers, ReactJS, HTML, JavaScript, CI/CD, Jira, Confluence
2mo
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Applications Developer
Chantilly or Columbia
OnsiteFull Time
Experience leading Agile teams, cloud/DevOps, full-stack development, API/microservices, UI/UX, data engineering, and security.
AWS, Azure, GCP, Docker, Kubernetes, Jenkins, Git, GitHub, GitLab, Nexus, Terraform, Ansible, Jira, Confluence, React, Angular, Vue.js, Java, Python, Spring Boot, Node.js, PostgreSQL, MySQL, MongoDB, Elasticsearch
1mo
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Java Software Engineer Level 4
Aurora or Morrisville or Linthicum Heights
$142k-$213k/yr OnsiteFull Time
8+ YOETop Secret/SCI required; Bachelor’s degree (or equivalent experience); 5+ years Java development; experience with RESTful APIs, microservices, Git, and Agile; strong OO design and SOLID principles.
RESTful APIs, microservices, Java, Git, GitHub, GitLab, Bitbucket, Linux, CI/CD, Docker
2mo
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MD Software Engineer
Linthicum, Maryland, United States
OnsiteFull Time
ACTIVE Top Secret/SCI clearance with Polygraph required; Python, databases, REST APIs, microservices; 50 hours MongoDB training.
Python, MongoDB, REST APIs, Microservices
4d
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Cloud Software Engineer
Columbia or Laurel
$135k-$206k/yr OnsiteFull Time
6+ YOEActive TS/SCI with polygraph required; Bachelor's in a technical field (or +2 years experience), 6 years software development, Java/Docker/microservices, streaming frameworks (Flink, Spring Cloud Data Flow, Heron), Git/SVN; willingness to obtain AWS/Kubernetes certs.
Apache Flink, Spring Cloud Data Flow, Heron, Java, Docker, Microservice Architecture, Git, SVN, AWS, Kubernetes
3mo
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Jr Level Software Developer
Annapolis Junction or Columbia
$94k-$144k/yr OnsiteFull Time
7+ YOERequires poly clearance; 7+ years software engineering or 4+ years with degree; BS CS or related; strong Java/JavaScript/Python; Agile; microservices; CI/CD; cloud knowledge.
Java, JavaScript, Python, Docker, Docker Compose, Kubernetes, Jenkins, GitHub, GitLab, Jira, Confluence, AWS, PostgreSQL, NoSQL, Go, Rust, C++, Vue, MinIO, Clickhouse, Graphite, ETL, Microservices, Full stack
1mo
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Java Software Engineer Level 2 or 3
Aurora or Morrisville or Linthicum
$92k-$171k/yr OnsiteFull Time
2+ YOERequires active Top Secret clearance with SCI eligibility, Bachelor's degree (level dependent) and 2+ to 5+ years software development experience, strong Java, RESTful APIs/microservices, Git, SQL/NoSQL, Agile experience.
Java, RESTful APIs, microservices, Git, GitHub, GitLab, Bitbucket, SQL, NoSQL, Linux
3mo
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Software Engineer-TS/SCI with Poly
Linthicum Heights, Maryland, United States
$113k-$238k/yr OnsiteFull Time
7+ YOETS/SCI with poly, Python, Django/Flask, REST, MongoDB/MariaDB, backend/middleware, microservices
Python, Django, Flask, MongoDB, MariaDB, REST, Microservices, JSON, Docker, AWS
3mo
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Database Engineer 3
Linthicum, Maryland, United States
$200k-$230k/yr OnsiteFull Time
10+ YOEActive TS.SCI w FSP through MD; 10+ years DBE experience; Python; MongoDB or MariaDB; Django or Flask; REST endpoints; microservices; experience with databases and cloud environments.
MongoDB, MariaDB, Python, Django, Flask, REST, Microservices, Swagger, AWS, C2S, Docker, Visual Studio Code, JSON serialization, XML serialization, Jira, Confluence, Git, Agile
3mo
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Application Engineer
Frederick, Maryland, United States
$110k-$151k/yr HybridFull Time
3+ YOE3+ years of production software development experience; full stack with C#, Javascript; .NET/.NET Core, microservices, Azure DevOps, Agile; strong communication and collaboration.
C#, .NET, .NET Core, JavaScript, TypeScript, Angular, jQuery, HTML, CSS, SQL, Entity Framework, Azure DevOps, Docker, Kubernetes, Cloud (Azure/AWS/GCP), Event Driven Architecture
2mo
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Software Engineer 2
Annapolis Junction or Maryland or Virginia or Colorado or Texas or Utah or Alaska or Hawaii or United States
$64-$120/hr OnsiteFull Time
14+ YOEU.S. citizenship and active/obtainable TS/SCI clearance required. Bachelor's in a relevant field or equivalent, 14+ years software engineering experience, strong Java, Hadoop, microservices, containers, Kubernetes, and distributed systems skills.
Hadoop, microservices, RESTful APIs, Podman, Docker, Kubernetes, Java, AWS, MongoDB, ArangoDB, Redis, PostgreSQL
2mo
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Senior Database Engineer with Poly
Hanover, Maryland, United States
OnsiteFull Time
10+ YOEBachelor’s degree and 10+ years of database experience; TS/SCI with Poly clearance; MongoDB/MariaDB; Django/Flask; REST/microservices.
MongoDB, MariaDB, Django, Flask, REST, Microservices, AWS, Docker, IDEs, JSON, XML, Jira, Confluence, Git, Agile
2w
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Software Engineer
Columbia or Linthicum Heights
$180k-$200k/yr OnsiteFull Time
Experience developing Java-based software, enterprise APIs, RESTful services, microservices and OOP; Linux and config management (Git,Nexus,Maven); US citizenship eligible for clearance; experience with AI coding agents preferred.
Java, Claude Code, Google's Antigravity, Gemini, NiFi, Kafka, AWS, Microsoft Azure, Linux, Git, Nexus, Maven, Elasticsearch, Postgres, Trino, Python, Flask, Vue, Docker, CICD, JIRA, Confluence, Github Enterprise
2w
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Sr. Software Developer
Mechanicsburg, Pennsylvania, United States
$100k-$105k/yr OnsiteContract
10+ YOE10+ years professional software development experience; strong expertise with C#, VB.NET, .NET 8+, ASP.NET Core, JavaScript and modern front-end frameworks, SQL/Entity Framework, microservices, messaging, Git; U.S. citizen with current T3 investigation; onsite work required.
C#, VB.NET, .NET 8+, ASP.NET Core, JavaScript, React, Angular, SQL, Entity Framework, NServiceBus, RabbitMQ, Git
4w
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Java Developer
Annapolis Junction, Maryland, United States
$70k-$285k/yr OnsiteFull Time
Requires active TS/SCI with Polygraph, experience with Enterprise Java, microservices and SOA, database experience (MongoDB or MySQL), JMS, and knowledge of cellular communications parameters.
Java, MongoDB, MySQL, JMS
3mo
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Software Engineer (Hybrid) - 27725 (Columbia, MD, Maryland, United States)
Columbia, Maryland, United States
$112k-$155k/yr HybridFull Time
5+ YOE5+ years software engineering; Java (Spring, Guava); REST, microservices, OOP; Linux; Agile; hybrid work; security clearance potential.
Java, Spring, Guava, REST, Microservices, Linux, Git, Nexus, Maven, AWS, Azure, Confluence, Jira
2mo
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Application/Agentic AI Engineer
Aberdeen, Maryland, United States
HybridFull Time
3+ YOE3+ years in software engineering or AI integration; BS in CS/Software/ Data/IS; proficient in Python/JS/TS/Java; API/microservice experience; LLMs and AI orchestration familiarity; cloud-native with Docker/Kubernetes; SDLC/DevSecOps/CI/CD; Git; strong problem-solving; active security clearance.
Python, JavaScript, TypeScript, Java, APIs, Microservices, Data services, Docker, Kubernetes, Git, CI/CD, SDLC, DevSecOps
2mo
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Associate Director Staff Engineer Software
Baltimore, Maryland, United States
OnsiteFull Time
Senior backend architect with hands-on engineering, API and data integration expertise; Kubernetes, GraphQL, microservices, and CI/CD experience; comfortable in financial services environments.
Kubernetes, Docker, GraphQL, REST, Microservices, Java, Kotlin, Node.js, Go, CI/CD
2mo
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Staff Software Engineer - (Data) - Query Optimization, Schema Design
Columbia, Maryland, United States
$163k-$218k/yr RemoteFull Time
8+ YOE8+ years in enterprise software development, distributed microservices, Java or Kotlin, Kubernetes, data ingestion/storage, and leadership.
Java, Kotlin, Kubernetes, Kafka, SQL, Distributed Systems, Cloud
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