549 Results for

Python Developer Jobs in Chantilly, VA

Jobs

McLean, VA27 days ago

Temporary
Contractor
Full-time

Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. The ideal candidate will analyze and convert complex SQL queries to align with new data sources, work with Snowflake for data warehousing, and support technology delivery activities for business and support teams.

Vienna, VA7 days ago

Full-time
Employee

The ideal candidate will have a passion for technology, a strong desire to learn, and the ability to work collaboratively with our experienced development team. This internship provides an excellent opportunity for hands-on experience in software development within the context of government projects.

New!

22102, VA4 days ago

Remote

System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Design, build, test, and deploy full-stack applications using Python, Django, and modern JavaScript frameworks.

New!

Arlington, VA1 day ago

You will architect and implement scalable agent frameworks that integrate LLMs, APIs, external tools, and enterprise systems to automate complex workflows for datacenter operations. We are seeking a Senior Agentic AI Developer to design, build, and deploy advanced autonomous AI systems capable of multi-step reasoning, tool usage, and dynamic decision-making.

New!

Rosslyn, VA3 days ago

Work with data scientists and analysts to rapidly design, implement, test, and deploy applications capable of tackling complex analytical tasks using large datasets. The selected individuals will need to live in the DC Metro area to report to HQ in Arlington, VA twice per month (a minimum of 2 days per 2-week period on average).

New!

Chantilly, VA6 days ago

Intern

With the experience of hundreds of thousands of successful implementations, including macro, DAS, Small Cells, and Wi-Fi, the world’s leading network operators and OEMs trust our knowledge and experience to plan, perform, troubleshoot, and implement an array of technologies and solutions. This is a unique opportunity for a college student to gain hands-on experience working on an established, high-scale project, where you will contribute to real-world features that power global wireless networks.

New!

Washington, DC1 day ago

Effective verbal and written communication skills, especially for collaborating on mainframe integration with Java developers and migration planning. • Expereience with test automation in unit tests, functional tests, regression tests and performance tests.

New!

Reston, VA1 day ago

Remote

A degree from an accredited College/University in Software Engineering, Computer Science, or related discipline is preferred; Able to perform all functional duties independently; Experience training/mentoring less experienced personnel; Experience authoring or contributing to software-related documentation such as requirements specifications, design documents, technical manuals, and user manuals; Excellent communication skills. Expertise in Struts , Spring MVC, Git Bash, Java25, WebSphere , Tomcat, GitHub , GitHub Copilot, VersionOne , JUnit, JDBC, Maven ,ALM, UFT.

Washington, DC13 days ago

Remote

$50,000–$60,000 Per Year
Full-time
Employee

Programming experience (minimum 6 months) from academic coursework, hands-on projects, or professional work in one or more of the following: Java, Python, C, C#, C++, JavaScript, R, SQL, MATLAB, Mathematica, TypeScript, Shell scripting, Go, or Kotlin. This program offers motivated learners a pathway to gain real-world experience through immersive, paid training in technologies including Java, IntelliJ, MySQL, Spring, HTML, CSS, JavaScript, REST, and React.

Vienna, VA7 days ago

Full-time
Employee

5+ years of in-depth working knowledge of ASP.NET Core using C#.NET, Angular/React, HTML5, CSS, JavaScript/TypeScript, and MS SQL Server, Identity. 5+ years of experience with Agile methodology and eXtreme Programming best practices like TDD, CI/CD, and pair programming. Experience deploying and managing applications using cloud services such as Azure App Services, Azure Functions, AWS EC2, Lambda, or containerized.

Fairfax, VA30 days ago

$78,000–$136,000 Per Year
Temporary
Contractor
Full-time

SynergisticIT focuses on roles such as entry-level software programmers, Java full stack developers, Python/Java developers, Data Analysts, Data Engineers, Data Scientists, and Machine Learning Engineers. Many candidates spend months learning frameworks and finishing courses, only to freeze during technical screens, system questions, or behavioral rounds.

New!

Merrifield, VA6 days ago

The ideal candidate will hold a Bachelor’s or Master’s degree in Software Development (or a related field) from an accredited university and demonstrate proficiency in modern development tools and languages. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

New!

Washington DC, DC5 days ago

2+ year of in-depth working knowledge of ASP.NET Core using C#.NET, Angular/React, HTML5, CSS, and MS SQL Server, Identity. Plan, design, build, test, deploy and maintain highly scalable web-based services using modern technologies.

Sterling, VA29 days ago

Full-time
Employee

Job title: Python DeveloperLocation: Washington, DCClient: GSA Data.govClearance: Public Trust ClearanceOverview: We are looking for a Senior Backend Engineer to support federal software engineering efforts, primarily focused on operations and maintenance of Data.gov applications. The ideal candidate has strong Python and Flask experience, and is comfortable working in a dockerized development environment.

New!

Germantown, MD5 days ago

$100,000–$150,000 Per Year

6 – 8 years+ experience designing, developing, testing, and maintaining custom Jira solutions, software development, particularly with Java, JavaScript, Relational databases (SQL and SQL Managed Instance). Senior Applications Developer, highly proficient in leading and independently maintaining, developing, testing and delivering high quality, enterprise-wide solutions.

New!

McLean, VA3 days ago

The position focuses on enabling reliable and scalable software delivery by building and optimizing CI/CD pipelines, infrastructure automation, and deployment workflows, while improving developer experience, release velocity, application quality, and system reliability across multi-stack environments. We have an immediate need for a mid-level DevSecOps Engineer to support the development, enhancement, and operation of scalable, application-focused CI/CD pipelines and automation frameworks for build, test, and deployment workflows in AWS GovCloud.

Sterling, VA29 days ago

Full-time
Employee

Hands-on experience with AWS managed services (VPC, EC2, EKS, RDS), including monitoring and analytics tools such as AWS CloudWatch, NewRelic. OperationsMaintain, monitor, and help improve the performance and availability of the 24x7 production environment including networks, servers, databases, etc.

New!

McLean,, Virginia5 days ago

$100–$105 Per Hour
Contractor

This role uniquely combines hands-on technical leadership with strategic thinking, requiring someone who can design & deliver solutions for today while building capabilities for tomorrow’s AIdriven landscape. The specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment.

McLean, VA27 days ago

$55.24–$70.47 Per Hour
Temporary
Contractor
Full-time

Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals.

New!

McLean, VA3 days ago

Under mentorship from senior AI leaders, you’ll drive model development lifecycles and collaborate across engineering, data, and stakeholder teams to deliver high-impact, cloud-native AI capabilities that advance federal missions. Our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and humanitarian missions worldwide.

New!

Falls Church, VA5 days ago

Securing AI Workflows: Design security frameworks for the end-to-end AI lifecycle, including securing data ingestion, protecting model weights, and implementing "Guardrail" architectures for Large Language Models (LLMs). • AI-Enhanced Pipeline Security: Architect and maintain automated CI/CD pipelines that utilize AI/ML models for static and dynamic analysis (SAST/DAST) to identify complex vulnerabilities that traditional rule-based tools miss.

New!

Washington, DCToday

With operations in over 100 facilities across 30 countries, Jabil delivers innovative, integrated, and customized solutions to clients across diverse industries—including automotive, consumer lifestyle and wearables, defense and aerospace, smart home and building, industrial and energy, enterprise and infrastructure, healthcare, mobility, packaging, and printing. Jabil is seeking a Manufacturing Test Development Manager who will directly contribute to the transformative growth within our Intelligent Infrastructure division by applying unique and innovative approaches to solving problems within a large-scale software production environment.

McLean, VA7 days ago

The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.

New!

McLean, VAToday

Washington, DC10 days ago

Remote

$79,000–$145,000 Per Year
Temporary
Contractor
Full-time

Since 2010, we've helped thousands of candidates land full-time jobs at tech leaders like Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Client, Paypal, Banking, Wayfair, Client, Client and hundreds more with Job offers of $95k to $154k. Currently, We are looking for entry-level software programmers, Java Full stack developers, Python/Java developers, Data analysts/Data Engineers/ Data Scientists, Machine Learning engineers for full time positions with clients.

Reston, VA20 days ago

Full-time
Employee

Own delivery of complex, end-to-end engineering solutions—from data generation and ingestion through analytics, APIs, and user-facing experiences. Partner with product, architecture, and engineering teams to shape requirements, define scope, and provide accurate level-of-effort estimates.

Washington, DC30+ days ago

$90,000–$140,000 Per Year
Full-time

Required qualifications: U.S. Citizenship is required Eligible to obtain and maintain a Government Security Clearance 3+ years of experience in data and automation engineering with a strong focus on Python 3+ years of experience developing, maintaining, and administrating SQL databases 2+ years of experience working with cloud-based data platforms such as Databricks, Apache Airflow, or other AWS services (e.g. Preferred Skills: Experience with Optical Character Recognition (OCR) and Document Understanding frameworks (e.g., AWS Textract, Tesseract, or layout-aware models) Familiarity with DevOps practices such as version control, CI/CD, and containerized deployment About Capgemini Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society.

McLean, VA30+ days ago

$65–$75 Per Hour
Contractor

Python and PySpark, AWS Postgres DB, Cucumber for automation, AWS EKS, Jenkins, Django , Flask Preferred: Client, AMQ’s, AWS, Kubernetes/Amazon EKS, Java, Sprint Boot, Development of microservices based on python, pyspark, AWS EKS, AWS Postgres for a data oriented modernization project New System: Python and PySpark, AWS Postgres DB, Cucumber for automation Perform System, functional and data analysis on the current system and create technical/functional requirement documents. Strong skills in DevOps, Docker/container-based deployments to AWS EKS using Jenkins and experience with SonarQube and Fortify Able to communicate and engage with business teams and analyze the current business requirements (BRS documents) and create necessary data mappings.

Suitland, MD30+ days ago

Desired Qualifications are: Experience with Federal government environments and concepts including FedRAMP, NIST Risk Management Framework, NIST SP 800-53 security controls. Collaborate with software developers, scientists, system/network administrators, and other technical experts to automate cloud deployments and manage CI/CD pipelines.

McLean, VA30+ days ago

Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you will develop, test, and deploy end-to-end solutions using full-stack development tools within AWS (EMR, S3) cloud based infrastructure. A typical day as a Senior Spark Programmer: Develop fault tolerant, streaming as well as batch data integration processes using Spark/PySpark, Java and performance enhanced SQL.

McLean, VA30+ days ago

Remote

This position supports a federal government contract and requires the ability to obtain and maintain a Public Trust or Suitability Determination, depending on the agency’s background investigation requirements. Aretum is a mission-driven organization committed to delivering innovative, technology-enabled solutions to our customers across defense, civilian, and homeland security sectors.

Washington, DC, DC14 days ago

This role will focus on designing, developing, and maintaining secure middleware, APIs, and backend services that modernize legacy systems and improve enterprise integration capabilities. Our company supports federal, commercial, and tribal clients with expert program management, technology modernization, cybersecurity, and operational support services.

Washington, DC, DC17 days ago

This role will lead enterprise Python development efforts focused on modernizing legacy systems, building scalable APIs, and implementing secure, cloud-ready solutions. Containerization experience with Docker and Kubernetes Python Institute certifications strongly preferred: PCEP (Certified Entry-Level Python Programmer).

Fairfax, VA30+ days ago

Full-time

We are looking for a strong, experienced candidate with 3+ years of experience in software development and DevOps who can come in, learn some of the individual projects and eventually work their way to managing teams and delivering for our client(s). ASCENDING Inc, has doubled its revenue for the 3rd year in a row and our main technical delivery manager/technical co-founder is running out of bandwidth to manage all current professional services projects.

Chantilly, Virginia27 days ago

$90,700–$141,775 Per Year

Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. Working alongside lead architects, you’ll contribute to the development of scalable applications, including large-scale data processing and advanced analytics systems used in forensic and investigative environments.

New!

Arlington, VA6 days ago

Remote

$90,000–$120,000
Full-time
Employee

This high-impact position focuses on enhancing a centralized data environment (CDE) that delivers auditable financial transaction data, improves transparency and accountability across DoW, and builds a robust common operating picture for senior leadership decision-making. Designs, models, documents, and governs the logical and conceptual data architectures, relationships, and schema evolutions for complex, enterprise-scale applications in support of tracking and accountability reforms.

Chantilly, VA30+ days ago

$175,000–$275,000

Leading Path is an award-winning Information Technology and Management Consulting firm focused on providing solutions in process, technology, and operations to our government and Fortune 500 clients. As part of our Agile team, you’ll design and develop software products and services that efficiently ingest, process, and manage data from a variety of sources.

Vienna, VA12 days ago

Strong understanding and ability to focus on accessibility (Section 508, WCAG) and cross-browser compatibility. Solid expertise with the Django framework, including ORM, views, URLs, and templates.

Washington, DC8 days ago

Experience with Docker, Git/GitLab, Terraform, AWS SNS/SQS, Athena, Glue, Load Balancers. Implement logging and audit trails (CloudWatch, CloudTrail).

Chantilly, Virginia7 days ago

$112,000–$179,000 Per Year

As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton Overview: Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy.

New!

Arlington, VA6 days ago

Remote

$80,000–$145,000
Full-time
Employee

You will design and execute test strategies, develop automated test scripts, and work with modern technologies including Python, SQL, Databricks, ADVANA, React, and Flask to deliver high-quality solutions that support DSCA’s mission of security cooperation, transparency, and data-driven decision making. 9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience.

New!

Arlington, VA6 days ago

Remote

$85,000–$130,000
Full-time
Employee

6 years relevant experience with Bachelors in related field; 4 years relevant experience with Masters in related field; or High School Diploma or equivalent and 10 years relevant experience. 3 years relevant experience with Bachelors in related field; 1 year relevant experience with Masters in related field; or High School Diploma or equivalent and 7 years relevant experience.

New!

Fairfax, VA6 days ago

$73,025–$110,000
Full-time
Employee

HII-Mission Technologies is seeking a highly motivated and innovative Business Data Analyst to join our Acquisition Pathways PMO, helping leverage both traditional and non-traditional master contracts and agreements to grow our business. This role brings a business intelligence and data driven approach to IDIQ, CSO, and OTA opportunity analysis, distribution, bid/no bid decision support, acquisition trend identification, and acquisition strategy insights.

Chantilly, VA30+ days ago

$150,000–$250,000

3. Minimum of 5 years of hands-on, back-end Java development experience (not Javascript or Springboot) implementing code that undergoes code reviews, unit testing, integration testing and deployed to a production environment. Leading Path is an award-winning Information Technology and Management Consulting firm focused on providing solutions in process, technology, and operations to our government and Fortune 500 clients.

New!

Washington, DC3 days ago

Full-time

We have shifted to adopting SAFe and encourage Contractors trained in SAFe, request that contractors have camera available and on majority of the time, and set expectations that they are part of Agile team on which we need them to embrace self-management and self-organization in terms of their iteration commitments, capacity planning, capacity allocation, etc. Java Full Stack Developer Location: Washington, DC (Hybrid – once in a month) Duration: 12-month contract Job Description: Java /Python Developer will help support the API Platform implementation.

Chantilly, VA30+ days ago

$175,000–$260,000

The Sponsor is seeking to expand existing capabilities by augmenting its automated data collections development team with additional skilled developers capable of co-locating with end-users to rapidly develop and operate new techniques for data collection and transformation while operating within and contributing to corporate technical guidelines. Required Skills: - Experience leveraging a background in programming, Software tools and packages, Operating systems, and networking to solve collection needs in cloud environments.

Arlington, VA11 days ago

Full-time

Implement, manage, and maintain all required Identity Access Management (IAM) roles and principles to support security of VPCs, EC2 instances, and native cloud services (i.e., server less functions). System Administration Responsibilities : Ensure data feeds from the associated LiDAR and other weather inputs are configured to ensure usable model output.

Washington, DC14 days ago

Full-time

Dobbs Defense Solutions is seeking Mid and Senior Level Software Developers to support the development, customization, and maintenance of Moodle LMS applications and enterprise software solutions supporting U.S. Coast Guard operations. At Dobbs Defense, we deliver mission-centric IT, Cyber, and data analytics solutions for our government and commercial clients through the convergence of automation, innovation, training, and education.

Washington, DC21 days ago

$60–$65 Per Hour

Demonstrated knowledge and experience with modern software development (e.g., Java (J2EE), Python script, JavaScript, SQL, T-SQL, Linux Shell script, JSP, etc. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

New!

Reston, VA6 days ago

Full-time

Nalley Consulting is a Service Disabled Veteran Owned Small Business working with prime partners to staff Department of Defense and Intelligence Community positions. Nalley Consulting has an opportunity for an experienced Software Developer to support on-going research and development efforts for functional characterization of WMD facilities and their associated design.

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Python Developer Jobs in Chantilly, VA

Backend Python Developer Genesis10

Jr. Software Developer Company Confidential

Full-Stack Developer System One

Senior Agentic AI Developer PlanIT Group

Full Stack Developer PlanIT Group

Software Developer (Full Stack/Backend) Intern TeleWorld Solutions

Software Developer / Application Support PlanIT Group

Software Developer PlanIT Group

Dev10 Software Developer - Remote Genesis10

Cloud Full-Stack Software Developer Company Confidential

Entry level Java spring boot developer/ data scientist SynergisticIT

Software Developer (C++/C#/ASP.Net) System One

Software Developer NuAxis Innovations

Python Developer ADG TECH CONSULTING, LLC

Applications Developer Dunhill Professional Search

DevSecOps Engineer Credence

DevOps Engineer ADG TECH CONSULTING, LLC

Director, Full Stack Engineering Pinnacle Technical Resources

Developer-UX User Interface Professional Genesis10

Mid-Level AI Engineer Credence

IT- Cyber Security Architect/ Engineer III PlanIT Group

Test Development Manager JABIL CIRCUIT, INC

Jr. Technical Consultant (Hybrid - Graduate) Capgemini Government Solutions LLC

Junior Technical Consultant (Hybrid) Capgemini Government Solutions

Data Scientist/Engineer - Junior (Remote) SynergisticIT

Full Stack Platform Engineer Talent Software Services

Python Developer Capgemini Government Solutions

Python Developer Pyramid, Inc

Python Developer Tactibit Technologies LLC

Senior Spark & Python Developer Mavens Guild

Senior Python Developer Aretum

Python Developer (Middleware) Otoe Missouria Group

Senior Python Developer (Lead) Otoe Missouria Group

Python Developer L3 ASCENDING

Software Developer (Python) II Noblis

REMOTE DoW Mid/Senior Data Engineer (Database Engineer) - 26859 1 Company Confidential

Backend Developer (Data Engineer) with Python/Node - TS/SCI w/ Poly required Leading Path Consulting

Python/Django Developer Quadrant Inc

Application Developer (Python/AWS) Quadrant Inc

Cyber Software Developer (Networking & Python), Senior Associate - TS/SCI w/poly Peraton

DSCA Mid QA Software Tester (Programmer Analyst) - 28638 Company Confidential

DoW DSCA Data Analyst 2 (Remote) - 28640 Company Confidential

Business Data Analyst (Data Analyst 2) - 28497 Company Confidential

Software Engineer (Java, Spark, Python, SOLR, Elastic) - TS/SCI w/ FS Poly Leading Path Consulting

Senior Java Full Stack Developer Lumen Solutions Group Inc

Software Engineer (Python/CDK focus) - TS/SCI w/Poly Leading Path Consulting

Senior Linux Software Developer/System Administrator Clark Creative Solutions

Software Developer Dobbs Defense Solutions, LLC

Mid level Java Developer System One

Software Developer – Sr Nalley Consulting

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