27 senior backend developer jobs at 18 companies in Halfway, MD
2mo
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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
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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
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Java Backend Developer Senior
Ashburn, Virginia, United States
OnsiteFull Time
9+ YOEBachelor's degree in computer science or related field; 9+ years Java experience; strong Java/JEE, Spring, Spring Boot; experience with Docker/Kubernetes, AWS; SQL/NoSQL, REST/GraphQL; CI/CD tools; Agile familiarity; US citizenship and public trust eligibility.
Java, JavaEE, Spring, Spring Boot, Docker, Kubernetes, AWS, WebLogic, Maven, Artifactory, Jenkins, GitLab, Jira, JPA/Hibernate, SQL, Oracle, NoSQL, Kafka, SQS, Kinesis, XML, JSON, GraphQL, Unix/Linux
3mo
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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
3mo
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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
4w
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SharePoint Engineer (Back End) - TS/SCI w/Polygraph
Annapolis Junction or Sterling
$147k-$199k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
8+ YOEActive TS/SCI with polygraph, DoD 8570 IAT Level II cert, Bachelor’s +8 years (or equivalent), SharePoint Online/on-prem, PowerApps/Power Automate, PowerShell, back-end programming experience.
SharePoint, PowerApps, Power Automate, PowerShell, Python, JavaScript, Java, Perl, Ruby, C++, Microsoft Azure, Microsoft 365
4w
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SharePoint Engineer (Back End) - TS/SCI w/Polygraph
Annapolis Junction or Sterling
$147k-$199k/yr OnsiteFull Time
8+ YOEActive TS/SCI with polygraph, DoD 8570 IAT Level II cert, 8+ years related experience, SharePoint on-prem and Online experience, PowerApps/Power Automate, back-end programming experience, systems engineering skills.
SharePoint, SharePoint Online, PowerApps, Power Automate, PowerShell, Python, JavaScript, Java, Perl, Ruby, C++
4d
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Senior Software Engineer
Herndon, Virginia, United States
$125k-$190k/yr OnsiteFull Time
4+ YOEAdvanced degree with 4+ years or bachelor's degree with 6+ years; 5–7 years backend experience, API and data pipeline development, Golang fluency, and active TS/SCI clearance.
Golang, Linux, git, Docker, AWS S3, AWS EC2
1mo
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Senior Software Engineer - Applied AI
Germantown, Maryland, United States
$107k-$155k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent,5+ years software development,strong Python and Linux experience,AI/ML application experience,backend and service integration skills,US citizenship and ability to obtain DOD security clearance.
Python, Rust, TypeScript, Linux, LLMs, Ollama, LangChain, LlamaIndex, FastAPI, Flask, Docker, CI/CD
2mo
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Senior Staff, Software Engineer
Sterling, Virginia, United States
HybridFull Time
Asurion: Provides insurance and repair services for consumer electronics.
10+ YOE10+ years building APIs, backend services, distributed systems and data-intensive platforms; strong Node.js and TypeScript experience; data modeling, database design, API design, observability, and reliability engineering.
Node.js, TypeScript, PostgreSQL, MySQL, DynamoDB, MongoDB, Redis, Elasticsearch/OpenSearch, Neo4j, Kafka, CDC, CI/CD, schema registry
3w
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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
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Senior AI-ML Integration Software Engineer
Reston, Virginia, United States
$150k-$175k/yr RemoteFull Time
8+ YOE8+ years software development experience; strong PHP and backend skills, familiarity with modern JavaScript frameworks, AWS and DevOps tooling, experience integrating/deploying LLMs and AI/ML workflows; US citizenship and ability to obtain government security clearance.
PHP, PHP 8.x, Symfony, JavaScript, React, React Native, Polymer, HTML5, CSS3, MySQL, SQL, NoSQL, AWS, EC2, RDS, S3, Lambda, API Gateway, Cognito, DynamoDB, Terraform, Git, Jenkins CI, RESTful APIs, AWS Bedrock, Large Language Models (LLMs)
3mo
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Full Stack Developer
Herndon or Chantilly
$190k-$250k/yr OnsiteFull Time
6+ YOEActive TS/SCI with Full-Scope Polygraph, 6+ years software development, frontend (React/Angular/JS/TS/HTML/CSS) and backend (Java/Python/Node.js) experience, API development, Git, and Agile.
React, Angular, JavaScript, TypeScript, HTML, CSS, Java, Python, Node.js, Git, AWS, Azure, Docker, Kubernetes, CI/CD, DevOps
3w
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Full Stack Developer
Sterling, Virginia, United States
$122k-$253k/yr OnsiteFull Time
Experienced full-stack developer with Angular and Java/ Spring backend experience, AWS application support, TS/SCI with Polygraph required day one, bachelor\u0002s in a relevant field.
Angular, JavaScript, TypeScript, HTML, CSS, Java 8+, SpringBoot, Spring Framework, RESTful APIs, AWS, JIRA, Github, SQL, D3, GraphQL, Jenkins, Linux, AWS Services
2mo
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Software Engineer Lead
Herndon or Columbia
OnsiteFull Time
4-6 years backend and frontend development; 6-8 years AWS/Linux; 2-3 years AI/ML; strong Python/Java; Agile; SQL/NoSQL; cloud and microservices; security clearance with polygraph; Docker/containers.
Python, Java, Angular, AWS, Linux, Docker, Kubernetes, ElasticSearch, Solr/Lucene, OpenSearch, SQL, NoSQL, Jira, Confluence, GitHub, ETL, PyTorch, Keras, TensorFlow, Tableau, Pandas, D3.js, Gensim, spaCy, NLTK, Stanford CoreNLP, OCR, BERT, NER
1mo
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Senior Database Engineer – GSE (Ground Support Engineer)
Sterling, Virginia, United States
$99k-$185k/yr OnsiteFull Time
6+ YOEBachelor's degree or equivalent, 6+ years designing and maintaining production/engineering database systems; strong relational DB experience (PostgreSQL, MySQL, SQL Server), schema design, performance tuning, backup/recovery, and backend integration skills.
PostgreSQL, MySQL, SQL Server, Python, C#, Java, JavaScript, PowerShell, ERP, PLM, MES
3w
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Software Engineer SME
Herndon, Virginia, United States
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
10+ YOE10+ years building and operating backend services, APIs, and microservices; BS in Computer Science; US citizenship and active TS/SCI with Polygraph; proficiency with Java, Ansible/Python, Postgres/MySQL/MariaDB, Linux, AWS, containers, and Git workflows.
Java, Ansible, Python, Postgres, MySQL, MariaDB, Linux, AWS, Hadoop, Spark, Yarn, Hive, Trino, GitLab, GitHub, Git, SQL
2w
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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
2mo
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Software Engineer (Expert) (22694)
Herndon, Virginia, United States
OnsiteFull Time
6+ YOEU.S. citizenship and active TS/SCI with Polygraph required. 6+ years in backend/frontend/cloud/Linux, proficiency in Python and Java, AI/ML experience (2–3 yrs), SQL/NoSQL, search tools, containerization, and Agile tooling (Jira/Confluence/GitHub).
Python, Java, Angular, Amazon Web Services (AWS), Commercial Cloud Services (C2S), Linux, vi, emacs, shell scripting, SQL, NOSQL, ElasticSearch, Solr/Lucene, OpenSearch, Docker, Podman, Jira, Confluence, GitHub, ETL, AI/ML
3mo
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Software Engineer Sr. Consultant , Fullstack/GenAI Engineering
Ashburn, Virginia, United States
$152k-$244k/yr HybridFull Time
8+ YOE2+ Mgmt8+ years software engineering; 2+ years leading engineers; strong GenAI, backend/frontend, AWS, and distributed systems experience.
Python, FastAPI, Flask, Node.js, React, TypeScript, AWS Bedrock, SageMaker, LangGraph, LangChain, Haystack, RAG, Jenkins, GitHub Actions, Terraform, CloudFormation, CodePipeline, Pinecone, FAISS, OpenSearch, Weaviate, Kafka, Kinesis, Databricks, MLFlow
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