Python Developer Jobs in Westminster, MD, US

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Senior AI/ML Engineer

New York or Santa Monica or Los Angeles or Palo Alto or Chicago or Washington D.C. or Boston or Colorado or Seattle or San Francisco or San Diego or Reston

OnsiteFull Time

Cooley: Provides legal counsel to technology and life sciences companies.

5+ YOE5+ years in AI/ML; hands-on with Azure/AWS; Python; LLMs; data integration; LangChain or similar; cloud security and governance.

Python, Azure, AWS, LangChain, LangSmith, Pydantic AI, APIs, Data Ingestion, Data Lakes, Data Warehouses

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Backend Software Engineer

Gaithersburg or Alexandria or Chantilly or St. Louis or Tucson

OnsiteFull Time

Noetic Strategies: Provides cybersecurity, software development, and IT services to government agencies.

8+ YOEUS citizen; TS/SCI with poly; BS in CS/SE with 8–12 yrs (MS with 6–10); Java or Python; REST APIs; SQL; Linux; ability to work independently.

Java, Python, REST, SQL, Linux, Apache Airflow, Spring Boot, Django, GitLab, Jenkins, Docker, OpenShift, AWS, Azure, Agile

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Full-Stack Engineer (Senior)

Washington, District of Columbia, United States

RemoteFull Time

Spear AI: Develops AI software and sensors for maritime defense operations.

Senior full-stack engineer with TypeScript, React, Node.js, SQL, Docker/Kubernetes, Python; strong emphasis on code quality, performance, and collaboration.

TypeScript, TailwindCSS, React, Next.js, React Context, Node.js, GraphQL, REST APIs, SQL, PostgreSQL, Docker, Kubernetes, Python

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Senior Software Engineer - APIs

Ashburn, Virginia, United States

$120k-$145k/yr RemoteFull Time

Unacast: Provides human mobility analytics and global location intelligence solutions.

5+ YOE5+ years Java 8+ with Spring; AWS; SQL; Snowflake; Scala/Python; web services; GA/DG experience; English fluency.

Java, Spring Framework, AWS, SQL, Snowflake, Scala, Python, JSON, GeoJSON, Git, Unit testing, Docker, Kubernetes

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Lead Agentic AI Engineer

Lanham, Maryland, United States

$165k-$175k/yr RemoteFull Time

Moore: Provides fundraising, data, and marketing services for nonprofits.

6+ YOE6+ years software engineering with 2+ years AI/ML or agentic systems; shipped agents; strong Python; enterprise integration experience.

Python, LLM APIs, Vector databases, Embeddings, Retrieval systems, Orchestration, APIs, CRMs

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IT Spec (APPSW) "Principal Software Engineer", GS-2210-15, FPL GS-15 (DH), Full-time

San Francisco or Denver or Washington or Atlanta or Chicago or Salt Lake City or Seattle

$150k-$197k/yr RemoteFull Time

Federal Student Aid: Administers federal student loans and financial aid programs.

1+ YOESenior software engineer with cloud-native design, CI/CD, and cross-language development (Python, Java, JavaScript); leadership and architectural responsibilities.

Python, Java, JavaScript, CI/CD, Infrastructure as Code, Cloud platforms

1mo

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1mo

Senior Software Engineer

New York or Austin or Washington

$190k-$235k/yr HybridFull Time

Method Financial: Connects financial accounts and processes debt payments via API.

5+ YOE5+ years of full-time software engineering; expert in JS, Python, Java or equivalent; experience building scalable production applications; strong communication; ability to balance speed with quality; fintech interest.

JavaScript, Node.js, React, Python, Java

2mo

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2mo

Embedded Platform Engineer

Washington, District of Columbia, United States

RemoteFull Time

Valinor: Develops specialized hardware and software for defense and government.

3+ YOE3+ years building and operating production systems; strong scripting in Python/TypeScript; CI/CD, containers, cloud platforms; AI tooling; security/compliance awareness; eligible for U.S. Secret clearance.

Python, TypeScript, GitHub Actions, Docker, Kubernetes, Azure, AWS, GCP, JFrog, CI/CD, AI tooling

2mo

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2mo

AI Developer

Washington, District of Columbia, United States

$66k-$124k/yr OnsiteFull Time

InfosysNYSE: INFY: Provides global IT consulting and business process outsourcing services.

4+ YOE4+ years AI development; skilled in Visual Studio and Python; experience with AI/LLMs and integrating AI with test automation; bachelor’s degree required or three years of progressive experience; willingness to travel.

Visual Studio, Python, Visual Studio Code, LLMs, Crew AI, Co-pilot, TFS

1mo

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1mo

Mid-Level Data Platform Engineer (Python) – Palantir Foundry / Jupiter Platform Support (Secret Cleared)

Washington, District of Columbia, United States

RemoteFull Time

Potawatomi Federal Solutions: Provides administrative and strategic support to tribally owned federal contractors.

4+ YOEMid-level data platform engineer with 4–7 years in data engineering or platform engineering; Python; Palantir Foundry/Jupiter experience; SQL; secret clearance; remote eligible in National Capital Region.

Python, SQL, Palantir Foundry, Databricks, AWS

1mo

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1mo

Senior Full Stack Developer (React)

New Hyde Park or Moline or Hartford or Framingham or West Palm Beach or Norcross or Chicago or Milwaukee or Baltimore or Piscataway or United States

$125k-$150k/yr RemoteFull Time

Parts Authority: Distributes automotive and truck replacement parts to the aftermarket industry.

5+ YOE5+ years full-stack production experience; Python (FastAPI/Flask) and React (TypeScript); AI/ML integration; Kafka; PostgreSQL; Redis; strong communication.

Python, FastAPI, SQLAlchemy, Pydantic, React, TypeScript, Tailwind, Redis, PostgreSQL, Kafka, Databricks, MLflow, Docker, Kubernetes, GitHub Actions, Terraform, ODBC, Data Queues, WebSockets, FastAPI, RH other

1mo

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1mo

Senior Software Developer - Clearance Required

Reston or Joint Base Anacostia-Bolling

HybridMultiple Commitments Available

Cydecor: Providing technology solutions and mission support to defense agencies.

6+ YOE6+ years in distributed software development; frontend tech stack (Vue, JavaScript, TypeScript); backend services; Agile; TS/SCI clearance preferred.

Vue, JavaScript, TypeScript, React, Angular, Linux, Git, Jira, Confluence, Artifactory, APIs, Relational databases, NoSQL, Agile, Security-focused development, CI/CD, Python, Java, Docker, Kubernetes, OpenShift, Jenkins, Keycloak, OAuth2, JWT, SonarQube, OWASP ZAP, Fortify, CI/CD pipelines, AWS, Azure, CI/CD

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Principal Engineer - Agentic AI Applications

Washington, District of Columbia, United States

$168k-$230k/yr HybridFull Time

SerkoNZX: SKO: Provides online corporate travel and expense management software.

12+ YOE12+ years software engineering; 4+ years in technical leadership; production experience with LLM-powered or agentic systems; Python backend expertise; strong observability, architecture, and testing skills

Python, LangGraph, AutoGen, CrewAI, TypeScript, Node.js, RAG pipelines, vector databases, tool-calling APIs, multi-step reasoning

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Senior Software Engineer

Aberdeen, Maryland, United States

$140k-$225k/yr HybridFull Time

LufCo: Provides specialized engineering and analytic services for defense missions.

7+ YOE7+ years software engineering experience; BS in CS/CE/EE; strong C/C++/Java/Python; CUDA; Docker; REST APIs; TS/SCI clearance; willing to travel; hybrid in Aberdeen, MD.

C, C++, Java, Python, Shell Scripting, Google Protocol Buffers, HTTP REST APIs, Docker, RPMs, CUDA

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Full Stack Palantir Foundry Developer

Arlington or Seattle or Denver or Chicago or Ridley Park or El Segundo or Saint Louis or Seattle

$149k-$215k/yr HybridFull Time

BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.

5+ YOEBachelor's degree in CS/Software/Data Eng or related field; 5+ years full-stack software development; 5+ years React/JavaScript/TypeScript; 3+ years ontology/taxonomy development; 5+ years web development with ReactJS/Redux/JS/TS/HTML/CSS

Palantir Foundry, Workshop, Slate, React, TypeScript, Python, PySpark, REST, JDBC, S3/Parquet, Git

1mo

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1mo

Senior Software Engineer, Full Stack

Arlington, Virginia, United States

$135k-$180k/yr OnsiteFull Time

Sedaro: Cloud-native digital twin simulation software for aerospace systems.

6+ YOE6+ years software engineering; experience profiling and optimizing data-intensive web apps; TS or Python; Bachelor's degree

TypeScript, Python, React, Cesium, Kubernetes, HTML/CSS

1mo

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1mo

Staff Engineer Software

Dulles, Virginia, United States

OnsiteFull Time

Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.

12+ YOEBachelor's with 12 years or Master 10 years or PhD 7 years; active DoD Top Secret clearance; strong experience in C/C++, Java, Python; Docker/Kubernetes; Linux; CI/CD; Agile; prior leadership.

C/C++, Java, Python, Docker, Kubernetes, Linux, Jenkins, GitLab

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Forward-Deployed Engineer

Washington, District of Columbia, United States

$185k-$260k/yr RemoteFull Time

Legion Intelligence: Secure generative AI platform for defense and enterprise workflows.

4+ YOE4+ years in forward deployed/solution engineering; full-stack; Python/JS/TS; enterprise integrations; UI with Node/Next/React; autonomous; strong communicator; US citizens/Green Card holders; TS/SCI clearance.

Python, JavaScript, TypeScript, Node.js, Next.js, React, Palantir Foundry, Databricks, ServiceNow, Microsoft O365, Atlassian, n8n

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Embedded Firmware Engineer

Carson City or Webster or Harbor City or Platform or Jessup or Clinton or Newark or Longmont

$79k-$150k/yr OnsiteFull Time

Vitesse Systems: Designs and manufactures antenna and thermal systems for defense.

2+ YOEBS or MS in Electrical Engineering or related robotics field; 2+ years Level I, 5+ Level II, 8+ Level III firmware/embedded software; C++, Python; RTOS; hardware bring-up; ITAR compliance.

C++, Python, C, VHDL, Verilog, Linux, RTOS, ROS, Git, EtherCAT, SPI, CAN, I2C, UART, RS-232

1mo

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1mo

DevOps Engineer

McLean or Chantilly

OnsiteFull Time

eDesign House: Provides secure software and cloud solutions for government agencies.

3+ YOEActive TS/SCI clearance with CI Poly; U.S. Citizenship; 3+ years in DevOps/SRE/Cloud; Python/Bash; Kubernetes; cloud infra; secure environments.

Terraform, Ansible, Docker, Kubernetes, Jenkins, GitLab CI, CircleCI, CloudFormation, Prometheus, Grafana, ELK Stack, AWS, Azure, GCP

2mo

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2mo

Junior Software Engineer

Baltimore, Maryland, United States

OnsiteFull Time

Baltimore Orioles: Professional baseball team providing sports entertainment and events.

Bachelor’s degree in Computer Science or Information Systems; experience with Python, Java, C++, Ruby, or JavaScript; experience leading all SDLC phases; data integration experience; ability to gather requirements and work with users; available for non-traditional hours.

Python, Java, C++, Ruby, JavaScript, SQL, AWS S3, AWS Lambda, AWS SQS, Django, R

1mo

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1mo

C++/CUDA-Signal Processing Engineer

Aberdeen Proving Ground, Maryland, United States

$140k-$176k/yr OnsiteFull Time, Contract

Dalcom Engineering: Provides engineering and software solutions for defense applications.

3+ YOEBachelor's in Computer Science; 3+ years C++, CUDA; TS/SCI clearance; Git; MATLAB; Linux; Python; multithreading/optimization.

C++, CUDA, Git, MATLAB, Linux, Python

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Software Development Engineer II- CI/CD & Platform Automation Engineer (DevOps)

Redlands or St. Louis or Washington

$97k-$162k/yr OnsiteFull Time

Esri: Developing software for digital mapping and spatial data analysis.

2+ YOEDevOps-focused engineer with 2+ years CI/CD, YAML, Python/JavaScript, Docker, and cloud experience; security SBOM, and Kubernetes familiarity; US Top Secret clearance with SCI eligibility.

GitHub Actions, Azure DevOps, Jenkins, Docker, Python, JavaScript, Ansible, AWS, Terraform, Kubernetes, SBOM tools, Conda

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Senior QA Automation Engineer

Bethesda or Rockville

$120k-$130k/yr HybridFull Time

A-TEK: Provides digital transformation and scientific solutions to federal agencies.

5+ YOE5+ years QA automation, Playwright, React/.NET, PowerApps, Python, GitHub/Jira/AWS, public trust clearance.

Playwright, React, .NET, PowerApps, Python, GitHub, Jira, AWS, Entra (Azure AD)

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Forward Deployed Engineer

Reston, Virginia, United States

HybridFull Time

SZNS Solutions: Provides specialized Google Cloud engineering and AI consulting services.

5+ YOEBachelor’s degree in CS/Engineering or equivalent; 5+ years in software engineering, cloud architecture, and deployments; strong cloud experience (GCP/AWS/Azure); full-stack proficiency (Python, TypeScript, Go, Rust, or Java); Docker/Kubernetes; US Citizen.

Kubernetes, GKE, Docker, Python, TypeScript, Go, Rust, Java, Google Cloud, AWS, Azure

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Junior Java Developer (Remote Opportunity)

Washington or Philadelphia

RemoteFull Time

VetsEZ: Digital transformation and healthcare IT services for government agencies.

0+ YOEEntry-level Java developer with a BS in CS/IT/Engineering; knowledge of Java or similar; basic full-stack concepts; strong problem-solving and communication; ability to work in Agile team.

Java, C#, Python, JavaScript, PHP, React, Angular, Node.js

2mo

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2mo

Staff Software Engineer - Federal

Washington, District of Columbia, United States

$161k-$221k/yr RemoteFull Time

OktaNASDAQ: OKTA: Provides identity and access management software for businesses.

8+ YOE8+ years of coding and scripting experience; Python required; Terraform and cloud tooling; experience with ETL/ELT, security data ingestion, and regulated environments; TS/SCI clearance is a plus.

Python, Terraform, CI/CD, AWS, GCP, Azure, PowerShell, Bash, Go

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Staff Software Developer (TS/SCI)

Herndon, Virginia, United States

$92k-$195k/yr OnsiteFull Time

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

5+ YOEUS citizen with TS/SCI clearance and CI poly; BS in CS/Software Eng; 5+ years backend software dev; Java/Python/JS; REST APIs with Spring Boot; Docker/Kubernetes/OpenShift; Jenkins/Git/Helm; Linux scripting; on-site in Herndon, VA.

Java, Python, JavaScript, Spring Boot, Docker, Kubernetes, OpenShift, Rancher, Jenkins, Git, Bitbucket, Gradle, Bash, Shell, OpenSearch, Elasticsearch, Keycloak, Fluent Bit, Cesium, PostgreSQL

1mo

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1mo

SuccessFactors Recruiting: Research Software Engineer (Data Science and AI Institute) (120761)

Baltimore, Maryland, United States

HybridFull Time

Johns Hopkins University: Private research university providing higher education and global research.

3+ YOEMaster’s in CS/Engineering or quantitative field; 3+ years software development; Python expert; experience with AI/ML, data science, and scientific computing; Git, CI/CD; Docker/Singularity; SQL; cloud; mentoring.

Python, R, C/C++, JavaScript/TypeScript, Julia, Git, Docker, Singularity, Linux, CI/CD, SQL

2mo

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2mo

Senior Software Engineer

Annapolis Junction, Maryland, United States

OnsiteFull Time

ClearEdge: Provides software engineering and data analytics to the intelligence community.

14+ YOESenior software engineer with cloud architecture, data visualization, Python/Java, and leadership experience; TS/SCI clearance with polygraph; Bachelor's degree in CS or related field plus 14 years of experience; experience with MySQL/PostgreSQL and web-based server applications.

Python, Java, MySQL, PostgreSQL, Linux, Web-based server applications, Data visualization

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Cloud Developer (5239)

Washington, District of Columbia, United States

$99k-$167k/yr OnsiteFull Time

SMX: Provides cloud engineering and mission-critical IT solutions for government.

3+ YOEActive Top Secret clearance; 3-5 years cloud development; AWS core services; IaC with Terraform/Ansible; GitLab CI/CD; Python or Node.js; Bachelor’s degree.

AWS, Terraform, Ansible, GitLab, Python, Node.js, S3, EC2, VPC, IAM, RDS (Aurora PostgreSQL), Splunk, Tibco WebFOCUS, Docker, EKS

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RF Software Engineer, Senior - 1647

Reston, Virginia, United States

RemoteFull Time

Global InfoTek: Develops advanced cybersecurity software and systems for defense agencies.

5+ YOESenior RF software engineer with 5-7 years experience, BS or higher, Python, Linux, databases, CI/CD, and remote work capability.

Python, NumPy, Pandas, scikit-learn, MySQL, PostgreSQL, SQLite, FlatBuffers, Protocol Buffers, Linux, GitLab, React, D3

1mo

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1mo

Full Stack Developer - TS/SCI with Polygraph Required

Washington, District of Columbia, United States

$165k-$185k/yr OnsiteFull Time

LMI: LMI provides technology and logistics consulting for federal agencies.

5+ YOEActive TS/SCI with polygraph required; 5+ years software development; full-stack development experience; strong SQL and databases; Git/git workflows; able to work with government requirements.

C#, Java, Python, Go, JavaScript, TypeScript, React, SQL, Git, Tableau, Oracle, SQL Server, MySQL, DynamoDB, Postgres, MongoDB

1mo

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1mo

AI Solution Engineer-Platform

Huntsville or Washington

HybridFull Time

PingWind: Provides cybersecurity and IT infrastructure services to government agencies.

4+ YOEProficient in Python/SQL with back-end language (Java/Scala/Go); experience with data pipelines, ML production, cloud analytics, REST APIs, graph DBs; CI/CD, DevOps, and containerization.

Python, SQL, Java, Scala, Go, PostgreSQL, Snowflake, Neo4j, Amazon Neptune, Git, Docker, Kubernetes, Terraform, CloudFormation, Pulumi, GitHub Actions, GitLab CI, Jenkins, CI/CD, Docker/Kubernetes, infrastructure-as-code, unit testing, REST APIs, Plotly, D3.js, Terraform, Pulumi, AWS GovCloud

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Data Engineer

Bethesda or Chapel Hill

RemoteFull Time

HelioCampus: Data analytics and performance management platform for higher education.

3+ YOE3+ years in ETL/SQL development and data engineering; experience in Higher Education or EdTech; strong SQL; Python experience; AWS familiarity.

SQL, Python, AWS (Redshift, S3, Glue), NoSQL, SQL analytics

1mo

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1mo

Signals Software Engineer

Annapolis Junction, Maryland, United States

$63-$77/hr OnsiteFull Time

EverWatch: Develops software and intelligence systems for government agencies.

4+ YOEExperience in RF signal processing software (detectors, demodulators, protocol processors); translate requirements to design; develop in C++/Java on Linux; RF concepts; TS/SCI clearance with polygraph.

C++, Java, Python, MATLAB, SIMULINK, Eclipse, Google Protocol Buffers, Git, Subversion, GNU Radio

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CNO Developer

Annapolis Junction, Maryland, United States

OnsiteFull Time

NetSage: Delivering specialized cyber services to the U.S. federal government.

5+ YOETS/SCI with polygraph; BS in CS or related STEM with 5+ years or MS with 3+ years; 5+ years C programming; 5+ years reverse engineering; network protocols, SSL; network device appliances; RTOS experience.

C, C++, Python, Reverse Engineering, SSL, Network Protocols

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Lead DevOps Engineer

McLean, Virginia, United States

RemoteFull Time

HiltonNYSE: HLT: Provides global hotel management, franchising, and lodging services.

5+ YOEFive (5) years in technology, four (4) years with CI tools (GitLab preferred), four (4) years automating delivery, three (3) years administering Kubernetes, three (3) years on AWS, scripting in Bash/Python/Terraform, on-call reliability. Travel up to 10%.

GitLab, Bash, Python, Terraform, Kubernetes, Docker, AWS

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Senior Software Engineer III (Government)

Columbia, Maryland, United States

$89k-$208k/yr OnsiteFull Time

AT&TNYSE: T: Provides wireless and fiber optic telecommunication services.

8+ YOEBachelor's degree; 8 years experience; .NET, Java, Python, C# skills; TS/SCI clearance.

.NET, ASP.NET, C#, Java, Python, Oracle