23 python backend developer jobs at 19 companies in Cecilton, MD
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Senior Backend API Engineer
Linthicum, Maryland, United States
OnsiteFull Time
7+ YOEActive TS/SCI with polygraph required; 7+ years backend development experience with Python, RESTful APIs, Django/Flask, Docker, MariaDB/MongoDB; experience with Git, Jira, Confluence; strong troubleshooting and communication skills.
Python, Django, Flask, MariaDB, MongoDB, JSON, XML, Docker, Git, Jira, Confluence, AWS
1mo
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Application Developer (backend) 4
Linthicum, Maryland, United States
$198k-$212k/yr OnsiteFull Time
6+ YOEDevelop backend Python microservices and ReST endpoints using Django/Flask; work with MongoDB or MariaDB, Docker, and CI tooling; 6+ years experience typically required depending on degree.
Python, Docker, Django, Flask, MariaDB, MongoDB, ReST, JSON, XML, Jira, Confluence, Git, AWS
3mo
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Lead Software Engineer II – Java & Python
Wilmington, Delaware, United States
$100k-$135k/yr RemoteMultiple Commitments Available
4+ YOE4-6 years professional software engineering; strong backend Java and Python; SQL/data modeling; AWS; DynamoDB, RDS, PostgreSQL; CI/CD; Docker; ECS/EKS; CloudWatch/Datadog; excellent communication and collaboration.
AWS, Docker, Kubernetes, ECS, EKS, CloudWatch, Datadog, DynamoDB, RDS, PostgreSQL, DocumentDB, CI/CD
1w
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Software Engineer Level 4
Elkridge, Maryland, United States
OnsiteFull Time
Active TS/SCI with CI Polygraph, backend development, data engineering, API development, Python, FastAPI, PostgreSQL, Elasticsearch, and high-performance integrations.
Python, FastAPI, PostgreSQL, SQL, Elasticsearch
3mo
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Software Engineer
Baltimore or Annapolis
HybridFull Time
5+ YOE5+ years enterprise software development; BS in Computer Science or related field; backend languages Java/C/C++/Rust/Python; experience with scalable systems; strong documentation; cryptography or cloud knowledge preferred.
Java, C/C++, Rust, Python, Cryptol, Haskell, Docker, Kubernetes, AWS, Azure
1mo
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Senior AI Engineer
United States or Wilmington
$126k-$197k/yr RemoteFull Time
8+ YOEDegree in Computer Science/Engineering, 8+ years backend development with Python and JavaScript, 2+ years production GenAI systems experience, React/TypeScript UI skills, Pydantic proficiency, strong stakeholder communication.
Python, JavaScript, React.js, TypeScript, HTML, Pydantic, PyTorch, Azure, Azure Kubernetes, Office 365, GitHub
1w
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Junior Geospatial Developer
Chestertown, Maryland, United States
$54k/yr OnsiteFull Time
Experience integrating spatial data into web apps, API or automation scripting, familiarity with JavaScript, Python, and cloud backends; willingness to learn server deployment and mentor interns.
JavaScript, Python, Firebase
1w
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Senior Software Engineer
Berwyn, Pennsylvania, United States
HybridFull Time
7+ YOE7+ years backend engineering with Java/Python, 2+ years hands-on AI/ML, experience designing distributed transactional systems in regulated fintech, security/observability knowledge, and production incident handling.
Java, Python, Spring Boot, SQL, Kafka, Kubernetes, Docker, LangGraph, RAG, Vector Stores
1w
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Software Engineer 2
Linthicum Heights or San Antonio
$64-$120/hr OnsiteFull Time
14+ YOETS/SCI with agency poly required; 14+ years SWE experience; Bachelor’s in CS (or equivalent); strong Python and Java skills; experience with VMs, Atlassian, Git, IntelliJ/Eclipse; backend and data-processing experience.
Python, Java, Kotlin, Spring, Spring Boot, Kubernetes, REST, Atlassian, Git, IntelliJ, Eclipse, JavaScript, Virtual machines
3w
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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
2mo
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Software Engineer 2
Annapolis Junction, Maryland, United States
HybridFull Time
14+ YOESenior backend developer with TS/SCI CI Poly clearance; Java/Spring/Maven; 14+ years experience; BS in CS or related field; NoSQL/Big Data and CI tools
Java, Spring Framework, Maven, MongoDB, ElasticSearch, Jenkins, Git, PostgreSQL, Python, Hadoop, Hive, Pig, MapReduce, NoSQL
4w
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Fullstack Engineer - U.S. Citizen (Remote)
Baltimore, Maryland, United States
$100k-$120k/yr RemoteFull Time
4+ YOE4+ years experience in fullstack/SRE with Grafana, AWS, CI/CD, IaC, observability and backend development skills; strong communication and problem-solving.
Grafana, Prometheus, Splunk, CloudWatch, RDS, OpenTelemetry, SQL, PromQL, Splunk SPL, AWS, EC2, ECS, EKS, Lambda, S3, Kinesis, DynamoDB, AWS CodePipeline, Jenkins, GitLab CI, Terraform, CloudFormation, Ansible, Docker, Kubernetes, Python, Go, Java, Node.js, Datadog, New Relic, Jaeger, Tempo
2mo
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Principal Software Engineer, Field Engineering
Aberdeen Proving Ground, Maryland, United States
$160k-$220k/yr OnsiteFull Time
5+ YOE5+ years hands-on software engineering; active Secret clearance; backend Go/Java/Rust; DevSecOps; Kubernetes; Bash/Python; Army-domain knowledge; customer-facing; Security+ readiness; willing to relocate to APG.
Go, Java, Rust, Kubernetes, Helm, CI/CD, Infrastructure as Code, Bash, Python, RMF
2mo
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Software Engineer
Laurel or Fort Meade
OnsiteFull Time
3+ YOEActive TS/SCI with CI poly, HS diploma, 3+ years as Software Engineer, hands-on with modern web and backend tech.
HTML, CSS, JavaScript, Angular, React, Spring Boot, Node.js, Postgres, ActiveMQ, Redis, Docker, Kubernetes, GitLab, CI/CD, Java, TypeScript, Python, C++
4d
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Senior Full Stack Developer - SAAS & AI Platforms
Annapolis, Maryland, United States
HybridFull Time
CyKor: Provides IT modernization and cybersecurity solutions for federal agencies.
7+ YOE7+ years professional software development; experience building/operating production SaaS; modern frontend framework and backend language proficiency; API, data modeling, auth, Docker, Kubernetes, CI/CD experience.
React, Angular, Vue, Python, TypeScript, Node.js, Java, C#, REST, OAuth 2.0, OpenID Connect, SAML, JWT, Git, Docker, OCI-compatible container runtime, Kubernetes, Red Hat OpenShift, Helm, GitOps, Salesforce, PostgreSQL, Redis
3w
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Senior Software Engineer Applied AI
Annapolis or United States
RemoteFull Time
7+ YOE7+ years building production backend systems, strong Python skills, cloud distributed systems (AWS), hands-on LLM/generative AI experience, ML lifecycle proficiency, and disciplined data handling in regulated environments.
Python, AWS, LLMs
2w
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Principal Software Engineer - ARINCDirect Core Platform (Onsite)
Annapolis, Maryland, United States
$118k-$225k/yr OnsiteFull Time
8+ YOE8+ years software engineering experience (or advanced degree with 5+ years), authorized to work in the U.S. without sponsorship, strong backend and full-stack skills in Python, JavaScript, Angular, PostgreSQL, API and distributed systems design, CI/CD and observability experience.
Python, JavaScript, Angular, PostgreSQL, AWS, Cloudflare, Vercel, Netlify, Grafana, ELK, Docker, Kubernetes, Helm, Istio, OpenTelemetry, OpenAPI
2w
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Senior Full Stack Data Engineer
West Chester, Pennsylvania, United States
OnsiteFull Time
7+ YOEBachelor's preferred,5+ years full-stack/data engineering experience (7+ preferred),backend and frontend development,Power BI dashboards,API and microservices,Oracle/Mongo DB,Cloud Foundry,GitHub,ELK,Agile with Jira.
Power BI, Jira, Smartsheet, Java, Python, Node.js, React, Angular, Tailwind CSS, DotNet, REST, API Gateway, Mongo DB, Cloud Foundry, GitHub, GitHub Actions, ELK, Agentic AI, Open Spec SDD
1mo
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Nuuly Senior Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years software engineering experience with ~2 years senior-level responsibilities; strong JVM (Java/Kotlin/Scala) or backend skills, microservices, cloud (GCP/AWS/Azure), Docker/Kubernetes, Postgres/AlloyDB, and practical LLM/AI tool use.
Java, Kotlin, Scala, Python, Go, Node, TypeScript, JVM, Spring, Google Cloud Platform (GCP), AWS, Azure, Docker, Kubernetes, Postgres, AlloyDB, Kafka, Spark, Storm, RESTful APIs, ChatGPT, Claude, Cursor, Windsurf, Copilot, MCP
3w
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Senior QA Engineer
Malvern, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years QA experience for backend/platform/cloud/web applications; strong manual testing, test strategy, defect management; automation with Python/Pytest/Playwright/Selenium; API, Linux, Docker, SQL, Jira/Confluence experience.
Python, Pytest, Playwright, Selenium, Postman, Swagger/OpenAPI, Docker, Keycloak, Jira, Confluence, TestRail, Zephyr, Xray, PostgreSQL, Bash, Ansible
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