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

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

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

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

212 back end engineer jobs at 82 companies in Frederick, MD

PromotedHiringCafe

Founding Backend / Infra Engineer

Cupertino, CA, US

$160k-$300k/yr On-SiteFull Time

HiringCafe

HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.

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

Help us #BeatIndeed & #BeatLinkedIn

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1w

Back End Developer

McLean, Virginia, United States

$87k-$198k/yr OnsiteFull Time

Booz Allen Hamilton

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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1mo

Sr Backend Developer

Herndon, Virginia, United States

RemoteFull Time

BDR Solutions

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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2mo

Backend Engineer

Tysons Corner, Virginia, United States

HybridFull Time

Pansophic Learning

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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1mo

Backend Engineer

Arvada or San Francisco or Washington or Seattle or Los Angeles

$120k-$180k/yr HybridFull Time

Quindar

Quindar: Cloud-native software for automated satellite mission operations.

3+ YOE3+ years backend development experience, proficiency with Python, AWS, GraphQL, Docker, Terraform, Kubernetes, Git; Bachelor’s in CS or related; U.S. Person required and ability to obtain U.S. security clearance.

Python, GraphQL, Docker, Terraform, OpenAI, Anthropic, AskSage, Kubernetes, EC2, S3, RDS, Fargate, EKS, Lambda, ECS, CloudWatch, EFS, EBS, Git, GitHub, GitLab, Fargate

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3mo

Senior Backend Engineer

Vienna, Virginia, United States

OnsiteFull Time

Antithesis

Antithesis: Autonomous software testing platform for deterministic bug detection.

5+ YOE5+ years software engineering; Rust preferred; API/service/storage backend experience; distributed systems; on-call readiness; mentorship.

Rust, APIs, Storage engines, Query engines

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2mo

Back-End Developer

McLean, Virginia, United States

$87k-$198k/yr OnsiteFull Time

Booz Allen Hamilton

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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2mo

Lead Backend Engineer (Node.js)

Baltimore, Maryland, United States

$120k-$170k/yr HybridFull Time

Alertus Technologies

Alertus Technologies: Provider of unified emergency mass notification and communication systems.

8+ YOELead Backend Engineer with 8+ years’ experience; strong Node.js skills; designing and scaling high-throughput, multi-tenant SaaS systems; proficient with relational and NoSQL databases and message brokers.

Node.js, PostgreSQL, MySQL, Redis, DynamoDB, MongoDB, RabbitMQ, Kafka, Terraform, Pulumi

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2mo

Senior Backend Developer

Vienna, Virginia, United States

OnsiteFull Time

Chenega Corporation

Chenega Corporation: Provides professional government, defense, and facility support services.

5+ YOEBachelor's in CS/engineering/GIS; 5+ years backend experience; Python, Node.js, Java; REST APIs; ArcGIS Enterprise; containerized environments; TS/SCI eligibility.

Python, JavaScript/Node.js, Java, ArcGIS Enterprise, Docker, Kubernetes, REST API, PostgreSQL, PostGIS, SQL Server

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3mo

Senior Back-End Developer - United States

San Antonio or Baltimore or United States

RemoteFull Time

Maximus

MaximusNYSE: MMS: Provides government health and human services program administration.

10+ YOE5+ MgmtActive Top Secret/SCI clearance, bachelor’s degree in a related field, 10+ years experience, 5+ years back-end development with Python and PostgreSQL, experience with RESTful APIs, AWS, Kubernetes, RedHat Linux, CI/CD, DevSecOps, and related toolchains.

Python, PostgreSQL, Jira, AWS Infrastructure, Kubernetes, RedHat Linux, BASH, Spring, Ansible, JUnit5, Nexus Repository, Maven, RESTful API, DevSecOps, microservices, containers, CI/CD, Agile Test-Driven development

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2w

Back End Developer

Annapolis Junction, Maryland, United States

$129k-$206k/yr OnsiteFull Time

Quevera

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

7+ YOEActive TS/SCI with Polygraph, 7+ years technical experience, Bachelor's in Computer Science or related (or +4 years experience in lieu), strong Python/Java/C++, PostgreSQL/SQL, Git, AWS, and Agile experience.

Python, Java, C++, PostgreSQL, SQL, Git, Amazon Web Services, API Gateway, Lambda, Jira, Confluence

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1mo

Back End Developer

Washington, District of Columbia, United States

OnsiteFull Time

Vanda Pharmaceuticals

Vanda PharmaceuticalsNASDAQ: VNDA: Develops and commercializes therapies for unmet medical needs.

4+ YOE4+ years in full stack/developer roles; strong Ruby on Rails; frontend with Vue/React/TypeScript; RESTful and GraphQL APIs; databases PostgreSQL/MySQL/MongoDB/DynamoDB; AWS; CI/CD; healthcare data security knowledge.

Ruby, Ruby on Rails, VueJS, ReactJS, TypeScript, BlueprintJS, TailwindCSS, Bootstrap, RESTful APIs, GraphQL, PostgreSQL, MySQL, MongoDB, DynamoDB, Salesforce, Stripe, Authorize.net, Git, CI/CD, AWS

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Staff Backend Software Engineer

Atlanta or Austin or Boston or Washington DC or Seattle or Houston or Raleigh or Dallas or United States

$300k-$400k/yr RemoteFull Time

Hopper

Hopper: Global travel marketplace and financial technology service provider.

Experience building distributed systems (Scala preferred), designing AI-assisted development workflows and feedback loops, strong product thinking, ability to ship end-to-end features, and familiarity with cloud services and modern stacks.

Scala, GCP services, React, TypeScript, Go, Python, Java

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3mo

Backend Developer, Data Platform

Reston, Virginia, United States

$113k-$188k/yr HybridFull Time

Vantor

Vantor: Providing AI-powered spatial intelligence and high-resolution Earth observation.

5+ YOE5+ years backend software engineering; strong Python; PostgreSQL; Elasticsearch; AWS (S3, RDS); TS/SCI clearance with CI polygraph; Bachelor's in CS/Systems Eng or equivalent; strong debugging and CI/CD skills.

Python, PostgreSQL, Elasticsearch, AWS, S3, RDS, Docker, OpenShift, Helm, Gitlab CI, CI/CD

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2w

Backend AI engineer

Tysons, Virginia, United States

RemoteFull Time

Cav

Cav: Continuous cyber assurance platform for high-reliability organizations.

3+ YOE3+ years backend or AI engineering experience; strong Python/Java/Go skills; experience with scalable APIs, microservices, cloud (AWS/Azure/GCP), Docker/Kubernetes, LLMs, vector databases, and production ML integration.

Python, Java, Go, LLMs, LangChain, OpenAI APIs, Hugging Face, Pinecone, Redis, vector databases, AWS, Azure, Google Cloud Platform, Docker, Kubernetes, CI/CD pipelines

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Senior Engineer, Backend

Washington, District of Columbia, United States

HybridFull Time

VIA

VIA: Provides secure decentralized identity and data privacy software solutions.

Production experience building backend services in TypeScript and Go, PostgreSQL schema and query optimization, AWS and containerized deployments, API design, AI-assisted development experience; U.S. citizenship and bachelor's or equivalent required.

TypeScript, Go, Python, Claude Code, Cursor, AWS, Docker, ECS, EKS, PostgreSQL, REST, gRPC, RabbitMQ, SQS, Kafka, React, OPA/Rego

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2w

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

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Back-End Software Developer

Arlington, Virginia, United States

$120k-$160k/yr OnsiteFull Time

SAIC

SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.

U.S. citizen with active Secret clearance; experience with C#/.NET Core or .NET Framework, PL/SQL, API development, RESTful services, Git/Gitlab, and enterprise application delivery in Agile environments.

Microsoft .NET Core, Microsoft .NET Framework, C#, PL/SQL, Git, Gitlab, REST API, JWT, Docker, CI/CD

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Back-End Developer – Remote

Falls Church or Virginia

RemoteContract

Creative Information Technology

Creative Information Technology: Provides IT solutions and software for government and healthcare sectors.

Strong experience building scalable RESTful APIs and serverless applications in AWS using Node.js or Python; familiarity with API Gateway, Lambda, DynamoDB, PostgreSQL, Cognito, S3, CI/CD and infrastructure-as-code.

Node.js, Python, AWS Lambda, API Gateway, DynamoDB, PostgreSQL, Cognito, S3, CloudFormation, Terraform, CDK, OIDC (OAuth2), JWT, SonarQube, CloudWatch, X-Ray, Java, SQL Server

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3mo

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3mo

Senior Back End Developer

Lackland AFB or Fort Meade

OnsiteFull Time

Titan Technologies

Titan Technologies: Provides IT solutions and services to government agencies.

10+ YOEDoD TS clearance required; TS/SCI preferred; 10+ years software development; 5+ years backend web development; 10 years relational databases and RESTful APIs; 5 years Python and PostgreSQL; 5 years Jira; 5 years web testing; 5 years leading software programs; 3 years AWS, Kubernetes, RedHat Linux; 5 years with five of: PostgreSQL, RDS, Exodus, Pyth...

Python, PostgreSQL, Docker, Ansible, Terraform, AWS, Kubernetes, OpenStack, Java, Puppet, Chef, Maven, OpenJDK, REST APIs, Git

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4w

Senior Backend Developer, Data Platform

Reston, Virginia, United States

$137k-$200k/yr HybridFull Time

Maxar Intelligence

Maxar Intelligence: Providing satellite imagery and geospatial intelligence for global security.

10+ YOEU.S. citizenship and active TS/SCI with CI polygraph required. 10+ years backend engineering experience, strong Python, PostgreSQL, Elasticsearch, AWS (S3, RDS), CI/CD, distributed systems, and bachelor's degree in CS or related field.

Python, PostgreSQL, Elasticsearch, AWS, S3, RDS, GitLab, GitLab CI, OpenShift, Helm, Docker, CI/CD

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