Westminster • 50 milesRemote · Hybrid · Onsite · Field · All Environments

178 back end software engineer jobs at 87 companies in Westminster, MD

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Backend Software Engineer - Simulations

Arlington or New York City or Seattle or Arlington

OnsiteFull Time

Rune Technologies: Develops AI-powered logistics and sustainment software for military operations.

4+ YOE4+ years software engineering; production-grade software; Python/C++/Go; math/physics background; strong ownership.

Python, C++, Go, AWS, Kubernetes, Linux

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Backend Software Developer

Annapolis Junction, Maryland, United States

$166k-$222k/yr HybridFull Time

Quevera: Software engineering and cloud solutions for government and defense.

Active TS/SCI with Polygraph required; experience developing, testing, and documenting backend software; experience with AWS, Jira, Confluence, Agile; ability to create test procedures and support integrations.

Amazon Web Services (AWS), Jira, Confluence

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2mo

Backend Software Engineer

Gaithersburg, Maryland, United States

$108k-$195k/yr OnsiteFull Time

teKnoluxion: Providing technical engineering and cloud services to the intelligence community.

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

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Backend Software Engineer

Annapolis Junction, Maryland, United States

OnsiteFull Time

Set of X: Provides specialized engineering services for U.S. national security missions.

12+ YOESenior backend developer with Java Spring Boot microservice experience, familiarity with SQL/NoSQL databases, containerization (Docker, Kubernetes, Rancher), CI/CD (GitLab CI, Jenkins), Git, Atlassian tools, automated testing, and TS/SCI clearance with polygraph.

Java, Spring Boot, PostGres, MySQL, Elasticsearch, MongoDB, GitLab CI, Jenkins, Git, Jira, Confluence, Docker, Kubernetes, Rancher

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Senior Backend Software Engineer

Washington, District of Columbia, United States

$120k-$199k/yr OnsiteFull Time

The Washington Post: Provides daily newspaper publishing and digital news reporting services.

7+ YOE7+ years software development experience, 1+ year AI/personalization exposure, proficiency with Python and Node.js, relational DB optimization (Postgres/MySQL), AWS, IaC, DevOps tools, monitoring, and strong communication.

Python, Node.js, Postgres, MySQL, AWS EC2, AWS Lambda, AWS S3, AWS ECS, AWS RDS, AWS CloudFormation, Terraform, Docker, Jenkins, CI/CD, Datadog, Splunk, CloudWatch, MongoDB, DocumentDB

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Backend Software Developer

Springfield or Vienna or St. Louis

OnsiteFull Time

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

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Junior Backend Software Developer

Columbia, Maryland, United States

$115k-$160k/yr OnsiteFull Time

Visionist: Provides software engineering and data analytics for national security.

3+ YOETop Secret/SCI clearance with polygraph; bachelor's degree; 3 years software development; Java, REST, Spring Boot; MongoDB; automated testing.

Java, Spring Boot, MongoDB, REST, Automated Testing

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Back-End Software Developer

Fort Meade, Maryland, United States

$115k-$125k/yr OnsiteFull Time

Plateau Software: Provides IT and environmental software solutions for government agencies.

7+ YOE7+ years software development experience, bachelor’s degree, active secret or interim clearance, DevSecOps and cloud experience, proficiency with OOP and scripting, CI/CD and containerization expertise.

Jira, Jenkins, GitLab, NPM, Cypress.io, esbuild, Bun, Apache Tomcat, Maven, SonarQube, AWS, Kubernetes, RedHat Linux, Fortify, JUnit5, Ansible

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Lead Software Engineer, Back End

McLean or New York City

$197k-$246k/yr OnsiteFull Time

Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.

4+ YOE1+ MgmtBachelor's degree, 4+ years software engineering experience, 1+ year cloud experience, proficiency in Java/Scala/Python/Go/Node and cloud platforms; people management and advanced experience preferred.

Java, Scala, Python, Go, Node, SQL, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud, Open Source RDBMS, NoSQL

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Back End Developer

McLean, Virginia, United States

$87k-$198k/yr OnsiteFull Time

Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients

Experience with Java and back-end frameworks (Spring/Quarkus), Git/GitLab CI/CD, TS/SCI clearance required; HS diploma or GED required; ability to obtain Security+ within 6 months.

Java, Spring, Quarkus, Git, GitLab CI/CD, Extract, Transform, and Load (ETL), Docker, Kubernetes, Python, Bash, Kafka Streams, Kafka, Spark, Neo4j, Advana

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Software Engineer - Backend (Cleared)

Minneapolis or Washington

$125k-$190k/yr HybridFull Time

Swoop Technologies: Distributed operating system for military and critical infrastructure.

3+ YOEActive US security clearance required; Bachelor’s in CS or related field; 3+ years backend development; proficient Python; Kubernetes experience; knowledge of software security standards.

Python, Kubernetes, Django, PostgreSQL, Solr, Rust

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Back-End Software Developer

Arlington, Virginia, United States

OnsiteFull Time

SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.

U.S. citizen with active Secret clearance; proven API development using C#/.NET Core or .Net Framework; PL/SQL and relational DB experience; REST/JWT, Git/GitLab, Docker, CI/CD; enterprise application development in Agile.

C#, .NET Core, .Net Framework, PL/SQL, SQL, Git, GitLab, REST, JWT, Docker, CI/CD, VB.NET

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Software Engineer (Backend), Content Foundations

San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Mexico City or Miami or New York City or Ottawa or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Toronto or Vancouver or Washington, D.C.

$104k-$187k/yr HybridFull Time

Scribd: Subscription-based digital library for e-books, audiobooks, and documents.

4+ YOE4+ years as a software engineer; backend/data pipelines; comfortable with messy data; proficient in Ruby, Python, or Go; AWS experience; SQL; collaborative and communicative.

Ruby, Python, Go, AWS, S3, SQS, SNS, SQL

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Sr Backend Developer

Herndon, Virginia, United States

RemoteFull Time

BDR Solutions: Provider of IT, engineering, and consulting for federal agencies.

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

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Backend Software Developer (Telework) (BT-2)

Annapolis Junction, Maryland, United States

$190k-$225k/yr HybridFull Time

Legato: Delivers IT engineering and cybersecurity services to defense agencies.

14+ YOETS/SCI with Polygraph, 14+ years software engineering experience, proficiency in Java/C++/Python, AWS, Git, PostgreSQL/SQL, Jira/Confluence, Agile, testing, and technical documentation; bachelor's degree or 5 additional years experience.

Java, C++, Python, Git, PostgreSQL, SQL, Amazon Web Services (AWS), Jira, Confluence

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2mo

Back-End Developer

McLean, Virginia, United States

$87k-$198k/yr OnsiteFull Time

Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.

3+ YOE3+ years in software development; experience with Java and Docker; TS/SCI clearance; associate or bachelor’s degree with software engineering experience

Java, Docker

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3mo

Backend Engineer

Tysons Corner, Virginia, United States

HybridFull Time

Pansophic Learning: Provides global K-12 education and digital learning solutions.

10+ YOE10+ years software development; 5+ years Node.js/Express; expert JavaScript/TypeScript; REST APIs; SQL (PostgreSQL); NoSQL; AWS; Unix/Linux; strong problem solving; collaboration; background checks.

Node.js, Express, JavaScript, TypeScript, REST APIs, PostgreSQL, MongoDB, DynamoDB, AWS, Lambda, ECS, EC2, RDS, S3, API Gateway, Git, Unix/Linux, Docker, Docker Compose, AWS CDK

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Backend Software Engineer — Secure Mission Systems

Laurel, Maryland, United States

RemoteFull Time

Rackner: Builds cloud-native software and AI systems for government agencies.

4+ YOEU.S. citizenship and active final DoD Secret clearance required; 4+ years software development experience; bachelor’s degree in CS or related; experience with Python or C#, backend services, APIs, testing, and secure SDLC.

Python, C#, FastAPI, gRPC, Celery, RabbitMQ, PostgreSQL, PostGIS, OpenShift, Kubernetes, GitLab CI/CD, LLM, AI/ML

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3mo

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3mo

Principal Backend Software Engineer - HYBRID

Annapolis Junction, Maryland, United States

$220k-$224k/yr HybridFull Time

Red Arch Solutions: Provides IT engineering solutions for the intelligence community.

20+ YOEActive TS/SCI with polygraph; Bachelor's in CS or related field plus 20 years SWE experience; 24 years may substitute; experience with test procedures, documentation, Agile, Jira/Confluence, Git, Java/C++/Python, Postgres, AWS.

Git, Java, C++, Python, Postgres, SQL, AWS, Jira, Confluence

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Mid Level - Backend Software Engineer

Laurel, Maryland, United States

$120k-$181k/yr HybridFull Time

ELEVI Associates: Provides cyber security and IT engineering for federal agencies.

8+ YOEMinimum 8 years application design and development experience with backend databases, full lifecycle development, Python backend services, REST APIs, cloud environments, automated testing, Docker/Kubernetes, and Agile delivery.

React, Angular, Python, PyTest, JUnit, Docker, Kubernetes, AWS, REST, JavaScript, C++, Perl, Ruby

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