62 java backend engineer jobs at 40 companies in Leonardtown, MD

1mo
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Senior Backend Engineer - Java
United States or Tampa or Boston or Atlanta or New York City or Columbus or Chicago or Philadelphia or Raleigh or Charlotte or Minneapolis or Dallas or Washington D.C. or Austin or Miami or Newark
$152k-$194k/yr RemoteFull Time
Real
RealNasdaq: REAX: Technology-driven brokerage offering residential real estate and title services.
8+ YOE8+ years experience with Java/Spring Boot, JPA/Hibernate, relational databases; experience designing event-driven microservices, strong testing practices, AI-assisted development familiarity, BA/BS or equivalent.
Java 17, Java 21, Spring Boot 3.x, JPA/Hibernate 6, Postgres, Kafka, DynamoDB, Redis, OpenSearch, AWS, Docker, Kubernetes, Datadog, ArgoCD, TeamCity, Claude Code, Cursor, Codex, Model Context Protocol (MCP), GitHub, SonarQube
1w
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Backend Engineer
Washington, District of Columbia, United States
$121k-$165k/yr OnsiteFull Time
The Nuclear Company
The Nuclear Company: Deploys standardized nuclear reactors for utility-scale energy generation.
5+ YOE5+ years building production backend systems and APIs; strong skills in backend languages; experience with databases, cloud (AWS preferred), CI/CD, testing, security, and reliability.
Python, Go, Java, TypeScript, AWS, CI/CD, NOS
2mo
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Backend Software Developer
Springfield or Vienna or St. Louis
OnsiteFull Time
INCATech
INCATech: Geospatial software solutions provider focusing on GIS and enterprise data management.
2+ YOE2+ years backend development; Node.js, Python/Java; REST APIs; ArcGIS Enterprise; Docker/Kubernetes; on-site; Top Secret clearance.
Node.js, Python, Java, ArcGIS Enterprise, Docker, Kubernetes, REST APIs, PostgreSQL, PostGIS, SQL Server
2mo
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Backend Developer (TS/SCI Required)
Alexandria, Virginia, United States
$150k-$190k/yr OnsiteFull Time
Accrete AI
Accrete AI: AI agents that automate complex decision-making through knowledge engines.
10+ YOE10+ years software development; 5+ years as software architect; TS/SCI with counterintelligence polygraph; Bachelor in CS; cloud experience (AWS/Azure/Google Cloud); Python; Go/Rust/Java; knowledge of auth, caching, and distributed systems.
Python, Go, Rust, C/C++, Java, Kubernetes, LDAP, SAML, OAuth, JWT, AWS, Azure, Google Cloud
1mo
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Back End Developer
McLean or Fort Belvoir
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
Experience building enterprise Java applications; familiarity with Spring or Quarkus, Git and GitLab CI/CD; TS/SCI clearance required; ability to obtain Security+ within 6 months; HS diploma or GED required.
Java, Spring, Quarkus, Git, GitLab CI/CD, Docker, Kubernetes, Python, Bash, Kafka Streams, Neo4j, Kafka, Spark, Advana
1w
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Senior Backend Software Engineer (USA Remote)
Washington, District of Columbia, United States
$112k-$187k/yr RemoteFull Time
Turnitin
Turnitin: Software for plagiarism detection and academic integrity in education.
5+ YOE5+ years backend development experience, strong Java (preferred) or Python/Node.js skills, AWS Lambda/API Gateway/DynamoDB experience, serverless and microservices knowledge, Git and CI/CD (github actions), mentoring ability.
AWS Lambda, API Gateway, DynamoDB, Java, Python, Node.js, Git, github actions
2mo
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Federal Back-End Engineer
Washington or United States
RemoteFull Time
Horizon3.ai
Horizon3.ai: Autonomous penetration testing platform for continuous security assessment.
7+ YOEBachelor's in CS or related,7+ years software engineering,expert SQL,cloud (AWS/Azure/GCP),Docker/Kubernetes,GraphQL/ETL experience,ability to obtain/maintain TS clearance.
ETL, GraphQL, Python, Java, Go, Scala, C++, TypeScript, AWS, Azure, GCP, Docker, Kubernetes, SQL, PostgreSQL, Neo4j
1w
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Back-End Developer
Springfield, Virginia, United States
$100k-$145k/yr OnsiteFull Time
VISTA Technology Services
VISTA Technology Services: Provides technical services for government and defense agencies.
8+ YOEBachelor's degree,8+ years back-end experience,active DoD clearance (Top Secret/SCI),expertise in server-side languages,APIs,databases,security practices for classified environments.
Python, Java, C#, Ruby, Docker, Kubernetes, Django, Spring, .NET, MongoDB, Cassandra, REST, GraphQL, AWS, Azure, GCP, Node.js, PostgreSQL, MySQL, Kafka, RabbitMQ, Redis, Memcached, Terraform, Ansible, AWS Lambda, Azure Functions
4d
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Knowledge Engineer Manager - Back-end Engineer
Seattle or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$294k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
5+ YOEMinimum 5 years in knowledge graph hydration, ontology mapping, graph and relational databases, vector databases, Python or Java, and REST API development; bachelor's degree or equivalent experience required.
RDF, OWL, SKOS, RDFS, SPARQL, R2RML, CSVW, SHACL, GraphDB, Stardog, Neo4j, Amazon Neptune, PostgreSQL, MySQL, SQL Server, Pinecone, Weaviate, Milvus, Qdrant, Elasticsearch, OpenSearch, Python, Java, SQL, JSON, XML, CSV, REST APIs, Apache NiFi, Airflow, Docker, Kubernetes, Helm, AWS Neptune, Azure Cosmos DB, GCP, Kafka, RabbitMQ, Git, GraphQL APIs, D3.js, Cytoscape.js, Terraform
2mo
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Geospatial Backend Developer – Multiple Positions at Junior/Mid/Senior Levels
Springfield or Vienna or St. Louis or Sun Prairie
OnsiteFull Time
NV5
NV5NASDAQ: NVEE: Technical engineering and consulting for infrastructure and energy projects.
2+ YOEActive US citizenship with TS/SCI, bachelor\u0002s degree in STEM, 2+ years backend experience, Python/Node.js/Java, ArcGIS Enterprise integration, containerization (Docker/Kubernetes), API and geoprocessing experience.
Python, Node.js, Java, ArcGIS Enterprise, Docker, Kubernetes, PostgreSQL/PostGIS, SQL Server, Azure, AWS, GCP
2w
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Junior Back-End/DevOps Developer
Arlington, Virginia, United States
$75k-$157k/yr RemoteFull Time
NTT DATA
NTT DATATokyo Stock Exchange: 9613: Global provider of business and technology consulting and IT services.
4+ YOE4+ years back-end development experience (Python preferred), 1+ year REST API and Git/GitHub experience, 1+ year database experience, ability to obtain Public Trust clearance.
Python, Java, Node.js, OpenAPI, Lambda, SQS, API Gateway, CloudWatch, S3, IAM, ECS, ECR, Terraform, Git, GitHub, PostgreSQL, MySQL, MongoDB, DynamoDB, GitHub Actions, GitLab CI, Jenkins, Docker, FastAPI, Flask, Django
3w
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Senior Software Engineer, Backend FinPlatform
New York City or San Francisco or Salt Lake City or Los Angeles or Seattle or Austin or Washington or Philadelphia or San Diego or Chicago or Atlanta or Australia or Canada or South America
$146k-$215k/yr RemoteFull Time
Flex
Flex: A financial platform allowing renters to split monthly rent payments.
6+ YOE6+ years software engineering experience, 4+ years with Java, experience with backend systems, APIs, data pipelines, AWS, and distributed teams.
Java, Spring, Gradle, JUnit, JVM, AWS, EKS, Aurora RDS, Elasticache, DynamoDB, GitHub Actions, git, DataDog, Snowflake, CDK, Terraform
1mo
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Software Engineer II - Backend/Platform Agentic AI
Arlington, Virginia, United States
$106k-$169k/yr OnsiteFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
Strong Java and Spring Boot backend experience, production AI/LLM integration, microservices and REST API design, CI/CD and observability, cloud (AWS or Azure), testing discipline, and production operations experience.
Java, Spring Boot, Python, LangGraph, LangChain, Databricks, Snowflake, OpenAI, Anthropic, Azure OpenAI, Kubernetes, Docker, AWS, Azure, REST APIs, CI/CD, RAG
1mo
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Software Development Engineer II – Back-End (Mission-Focused | ArcGIS)
Redlands or St. Louis or Washington or Vienna
$97k-$162k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years backend engineering experience with Python, JavaScript/Node, or Java; REST API and service architecture experience; ArcGIS Enterprise integration; containerization (Docker/Kubernetes); active Top Secret security clearance (SCI eligible); Bachelor's in STEM.
Node.js, Python, Java, ArcGIS Enterprise, ArcGIS Enterprise SDKs, Docker, Kubernetes, Azure, AWS, GCP, PostgreSQL, PostGIS, SQL Server
3w
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Staff Software Engineer (Backend) - Billing Platform *HYBRID*
Palo Alto or Falls Church or Frisco or Washington or Baltimore or Dallas or Bethesda or Fort Worth
$110k-$230k/yr HybridFull Time
GEICO
GEICO: Provides vehicle and property insurance services to consumers.
8+ YOE8+ years software development experience with large-scale systems; proficiency in Java/Kotlin/Golang, SQL/NoSQL, Kafka, Spark, Airflow, cloud and DevOps practices; strong communication and system design skills.
Java, Kotlin, Golang, SQL, NoSQL, Kafka, Spark, Airflow
6d
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Software Engineer II (Java/NiFi)
McLean or Leawood or Arlington or Washington or Maryland
HybridFull Time
Torch.AI
Torch.AI: Building AI-powered data reasoning infrastructure for government and defense.
3+ YOEActive TS/SCI clearance, B.S. or M.S. in CS/Engineering, 3+ years Java backend experience, NiFi or Airflow, Spring Boot/Micronaut, SQL/NoSQL, cloud (AWS) and containerization familiarity.
Java, NiFi, Airflow, Spring Boot, Micronaut, REST, SQL, NoSQL, AWS, Kafka, CI/CD
1mo
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Software Engineer (Java, OpenFGA)
Rosslyn, Virginia, United States
HybridFull Time
Agile Defense
Agile Defense: Provides IT modernization and cybersecurity for federal government agencies.
10+ YOE10+ years experience; hands-on Java and Spring Boot; RESTful API design; proficiency with core AWS services; Secret clearance required to start; experience with OpenFGA and distributed backend/microservices; unit/integration testing.
Java, Spring Boot, OpenFGA, RESTful APIs, AWS, Django, NATS, Kafka, Redis, ClickHouse, OpenTelemetry, OpenRouter, LiteLLM, CI/CD
1mo
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Software Engineer – Full Stack (Java, AWS, Angular, AI)
Arlington, Virginia, United States
$116k-$135k/yr HybridFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.
Experience in Java backend and Angular frontend development, AWS production deployments, microservices and REST API design, familiarity with Docker/Kubernetes, CI/CD, SQL/NoSQL databases, and AI/ML application concepts.
Java, Spring Boot, Spring Cloud, AWS, ECS, EKS, Lambda, S3, RDS, DynamoDB, Azure, Angular, HTML5, CSS3, JavaScript, TypeScript, OpenAI, Azure AI Services, LangChain, vector databases, embeddings, Docker, Kubernetes, CI/CD, Bash, MySQL, MongoDB, Cassandra, Kafka, RabbitMQ, AWS API Gateway, Istio, Terraform, CloudFormation
1w
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Software Engineer II
Washington, District of Columbia, United States
$192k-$213k/yr OnsiteFull Time
Booking.com
Booking.comNASDAQ: BKNG: Online platform for booking travel accommodations and transportation services.
3+ YOE3+ years backend/software development experience; strong programming in Java, NodeJS, or Python; experience with distributed systems, services/APIs, cloud platforms and data governance concepts.
Java, NodeJS, Python, AWS, Snowflake
1mo
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Software Engineer
Arlington, Virginia, United States
$69k-$158k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
3+ YOE3+ years professional software engineering experience, Bachelor's in CS or Computer Engineering, Secret clearance required. Experience with C#, C, C++, .NET, JavaScript; backend and frontend development; Linux, Java, React, NodeJS, Rust and databases are desirable.
C#, C, C++, .NET, JavaScript, Java, React, NodeJS, Linux, Rust, Database