69 software engineer backend jobs at 40 companies in Smithsburg, MD
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
3w
Save
Mark Applied
Hide
Senior Backend Engineer
Columbia, Maryland, United States
$100k-$120k/yr HybridFull Time
4+ YOEBachelor's or equivalent,4+ years building backend systems/APIs,strong AWS,Docker,Python or Node.js,CI/CD and infrastructure-as-code experience,ability to meet security vetting.
AWS Lambda, API Gateway, Amazon S3, Amazon EC2, ECS, EKS, CloudFormation, Docker, Python, Node.js, CI/CD, OAuth, OpenID
4d
Save
Mark Applied
Hide
Java Python backend Developer
Phoenix or Plano or Raleigh or Reston or Richardson
OnsiteFull Time
Proven backend development experience with Java and Python, Spring Boot, microservices, GitLab, Terraform, PostgreSQL; bachelor\u0002s or equivalent; ability to work across SDLC and collaborate with cross-functional teams.
Java, Python, Spring Boot, microservices, GitLab, Terraform, PostgreSQL, AWS, Continuous integration (CI/CD), SQL
2mo
Save
Mark Applied
Hide
Sr Backend Developer
Herndon, Virginia, United States
RemoteFull Time
7+ YOEBachelor's degree, U.S. citizenship with Public Trust eligibility, 7+ years back-end development (3+ years senior/lead), AWS/Kubernetes experience, CI/CD (Jenkins/GitHub Actions), and tools such as Git, SonarQube, NexusIQ, Selenium, AppDynamics.
AWS, Kubernetes, Jenkins, GitHub Actions, SonarQube, NexusIQ, Selenium, AppDynamics, Git, NIST 800-53, FISMA, FedRAMP, IRS Publication 4812
1w
Save
Mark Applied
Hide
Java Backend Developer Senior
Ashburn, Virginia, United States
HybridFull Time
5+ YOEBS in CS or Engineering,5+ years software development with strong Java J2EE/JEE,2+ years cloud/serverless (AWS Lambda),NoSQL and SQL DB experience,Docker/Kubernetes,CI/CD tools;US citizenship and ability to obtain Public Trust required.
Java J2EE/JEE, AWS Lambda, MongoDB, DocumentDB, DynamoDB, Docker, Kubernetes, Spring Boot, SQL, XML, JSON, Unix, JDBC, JPA, Hibernate, Gitlab, JIRA, Jenkins, React, IBM MQ, JMS, EJB, MDB, Weblogic, Websphere, JBOSS
3mo
Save
Mark Applied
Hide
Back-End Developer
McLean, Virginia, United States
$87k-$198k/yr HybridFull Time
3+ YOE3+ years in software development; Java; Docker; experience with unbounded data streams; TS/SCI clearance; Associate or Bachelor degree with relevant experience
Java, Docker, Kubernetes, Kotlin, Python, Agile
1w
Save
Mark Applied
Hide
Java Backend Developer Senior
Ashburn, Virginia, United States
$120k-$160k/yr HybridFull Time
5+ YOE5+ years Java/J2EE development, BS in Computer Science/Engineering, cloud and AWS Lambda experience, NoSQL, Docker/Kubernetes, Spring Boot, strong SQL/JDBC/JPA/Hibernate and CI/CD skills.
Java, J2EE, JEE, AWS, AWS Lambda, MongoDB, DocumentDB, DynamoDB, Docker, Kubernetes, Spring Boot, Oracle, XML, JSON, Unix, Linux, JDBC, JPA, Hibernate, GitLab, JIRA, Jenkins, React, IBM MQ, JMS, EJB, MDB, Weblogic, Websphere, JBOSS
2mo
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
4d
Save
Mark Applied
Hide
Full Stack Software Engineer (Backend Focus)
Fort Meade or Columbia
$150k-$190k/yr OnsiteFull Time
8+ YOEBachelor's degree in a technical discipline or equivalent experience, 8 years of software development, Python, data frameworks, SQL, databases, Git, GitLab, front-end frameworks, and production support experience.
Python, Pandas, Polars, SQL, SQLite, PostgreSQL, MySQL, Git, GitLab, TypeScript, JavaScript, React
2w
Save
Mark Applied
Hide
(9300) Software Engineer
Columbia, Maryland, United States
$139k-$180k/yr HybridFull Time
5+ YOE5+ years software engineering with strong Python backend, Kubernetes, applied LLM integration experience, security clearance eligibility, API and microservices design, automated testing, and cross-team collaboration.
Python, Kubernetes, Model Context Protocol (MCP), OpenAI, Anthropic, LangChain, LlamaIndex, CrewAI, AutoGen, Java, Spring, Git, CI/CD, Docker, Linux, NiFi, Kafka, AWS, Azure, Postgres, MySQL, Vector Databases
2mo
Save
Mark Applied
Hide
Software Engineer
Herndon or Potomac
OnsiteFull Time
Full stack developer with backend focus; Solr/Elasticsearch, Lucene, big data tools, Java backend, and security clearance requirements.
Solr, Elasticsearch, Lucene, Hadoop, PySpark, Spark, HBase, Java, AWS, Jira, GitHub
2mo
Save
Mark Applied
Hide
Senior Software Engineer
Herndon, Virginia, United States
OnsiteFull Time
8+ YOE8+ years backend software engineering; cloud deployments in cleared environments; Top Secret/SCI clearance; AWS expertise; DevOps; containerization; CI/CD; CloudFormation.
AWS, Docker, Kubernetes, CloudFormation, Lambda, ECS Fargate
3w
Save
Mark Applied
Hide
Software Engineer (Hybrid) - 29301
Columbia, Maryland, United States
$138k-$195k/yr HybridFull Time
9+ YOEPython backend engineer with applied AI and Kubernetes experience; must obtain U.S. security clearance and have extensive software engineering experience (typical minimum 9 years). Proficiency with LLM APIs, API design, Git/Docker, and Linux required.
Kubernetes, OpenAI, Anthropic, Git, Docker, Linux, LangChain, LlamaIndex, CrewAI, AutoGen, NiFi, Kafka, AWS, Azure, Postgres, MySQL, Java, Spring
3w
Save
Mark Applied
Hide
Software Engineer 2 (D26)
Fort Meade or Anne Arundel County or Howard County or Baltimore
OnsiteFull Time
14+ YOERequires active TS/SCI, 14+ years software engineering experience, Bachelor's in CS (or 4 additional years experience), expertise in backend and systems development, containerization, CI/CD, agile, and leadership of development teams.
Java SE, Python, Git, Shell/bash, Nexus, Maven, JavaScript, HTML5, CSS3, JUnit, IDEs, Docker, Kubernetes, OpenShift, GitLab CI, SonarQube, Spring Framework, Spring Tool Suite, Grit, Jenkins, Hibernate, MySQL, Web Services, Google Web Toolkit, Vaadin
3w
Save
Mark Applied
Hide
Senior Software Engineer - Top Secret
Rockville, Maryland, United States
$131k-$237k/yr OnsiteFull Time
12+ YOEBachelor's degree or equivalent experience,12+ years software engineering experience,active Top Secret clearance with TS/SCI eligibility,experience with backend microservices,distributed systems,APIs and Kubernetes.
Rust, Go, Python, TypeScript, Django, Kubernetes, Azure/C2S, git, svn, JIRA, NATS, Kafka, Redis, ClickHouse, OpenTelemetry, OpenRouter, LiteLLM, CPUs, GPUs, FPGAs
1mo
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
Software Engineer - .NET / SES
Reston, Virginia, United States
OnsiteFull Time
3+ YOE3–5 years backend software experience with C#/.NET, APIs/microservices, relational databases, CI/CD, cloud (AWS/Azure), and strong problem-solving skills.
C#, .NET, REST, gRPC, SQL Server, MySQL, GitHub, Azure DevOps, Jenkins, Docker, Kubernetes, Kafka, RabbitMQ, IBM MQ, AWS, Azure, React, JavaScript, TypeScript
3w
Save
Mark Applied
Hide
Software Engineer
Chantilly or Herndon
$87k-$198k/yr OnsiteFull Time
3+ YOE3+ years Java and backend development experience with microservices, Docker/Kubernetes, Spring, REST, AWS/CI tools; TS/SCI with polygraph required; ability to obtain DoD 8570 certification.
Java, Docker, Kubernetes, Spring Framework, Spring Boot, REST, AWS, Bitbucket, Jenkins, Linux, Ansible, Git, MongoDB, Apache NiFi, Kafka
2w
Save
Mark Applied
Hide
Software Development Engineer
Arlington or Herndon or Jessup
$120k-$200k/yr OnsiteFull Time
7+ YOEActive TS/SCI with Polygraph, 7+ years software development experience, Rust backend development, AWS and CDK familiarity, advanced networking, CI/CD pipeline development, and memory-optimized application experience.
Rust, AWS, CDK, CI/CD
6d
Save
Mark Applied
Hide
Software Engineer Level 4
Reston, Virginia, United States
OnsiteFull Time
Active Top Secret/SCI with CI Polygraph; experienced backend developer with Python, FastAPI, PostgreSQL, Elasticsearch, API and data engineering for high-performance, mission-critical systems.
Python, FastAPI, PostgreSQL, Elasticsearch, SQL
Explore Jobs