158 Results for

Python Jobs in Chantilly, VA

Jobs

New!

McLean, VA3 days ago

$130,000–$150,000

Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. Vaco by Highspring values a diverse workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.

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.

New!

Chantilly, VA1 day ago

$135,000–$250,500 Per Year

This team is at the forefront of satellite command and control systems, leveraging web technologies, distributed computing, sophisticated cloud technologies, frameworks, and cutting-edge capabilities. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

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.

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.

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.

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!

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.

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.

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.

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.

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).

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.

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.

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.

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.

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, 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.

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.

Washington D.C., DC25 days ago

$168,328.72–$252,493.08 Per Year

Experience building AI agents that interact with tools, APIs, and external systems, including managing agent state, bounding autonomy, and preventing pathological behaviors (loops, hallucinations, cascading failures). That’s why we provide an array of options, expert guidance and always-on tools, that are personalized to meet the needs of your reality - to help support you physically, financially and emotionally through the big milestones and in your everyday life.

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.

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!

Fairfax, VA2 days ago

Preferred qualifications include an MS degree, MATLAB, GNSS, database development, communication systems, signal processing, safety-critical software techniques, and familiarity with tools like Eclipse, Intel C++ Compiler, Vectorcast, and Synopsys Coverity. Candidates need at least 5 years of experience in designing and implementing software for signals or data processing systems, including code development, testing, analysis, and debugging.

New!

Mclean, VA5 days ago

This role will be responsible for supporting our organization’s data-driven initiatives, collaborating with business partners and multi-discipline technology teams, and designing and implementing data modeling solutions This position requires strong experience in data analysis, modeling and engineering with ability to translate complex technical issues into easily understood communications that will influence executive audiences with varied technical backgrounds and capabilities. 5 years’ extensive knowledge and experience in the Data technologies for Data Analytics, Data Lake/Mart/Warehouse, Databases SQL/NoSQL (DB2, Oracle), Big Data Technologies (PySpark), ETL (Informatica), CDC (Attunity), REST API.

Arlington, VA30+ days ago

Full-time

Our advanced solutions power the largest and most complex government loan and grant programs, streamlining workflows and integrating proven technologies to handle high-volume financial processes with speed and precision. This role is ideal for a technical leader who thrives in building environments, enjoys rolling up their sleeves, and wants to shape both technology and team culture in a growing fintech organization.

Rockville, Maryland30+ days ago

$70–$80 Per Hour

For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients’ capacity and accelerate meaningful outcomes. About Eliassen Group:Eliassen Group is a strategic consulting firm that helps organizations reach further and achieve more through our technology, business advisory, and life sciences solutions.

Alexandria, VA30+ days ago

Full-time

If you’ve shipped networking software that had to perform under real link conditions (latency, fade, intermittent connectivity, limited compute) and you can lead others while still getting your hands dirty in code, we want to talk. 5+ years building production networking software (not just configuring networks): packet processing, sockets, routing/tunneling, performance debugging.

Chantilly, VA30+ days ago

Full-time

Acclaim Technical Services, founded in 2000, is a leading cyber operations, intelligence solutions and operations, network infrastructure, engineering and business enablement and enterprise operations company supporting a wide range of U.S. Federal agencies. Experience conducting multidisciplinary research and collaborates with equipment designers and/or hardware engineers in the planning, design, development, and utilization of electronic data processing systems.

New!

Reston, VA2 days ago

Skills in Tableau, SQL, and Python are essential, with experience in digital marketing analytics and data science making a candidate stand out. Possesses knowledge of supported business areas and IT systems, analyzing operations to identify automation opportunities and assisting with process redesign.

New!

Ashburn, VA6 days ago

Full-time

Your expertise in Apache Spark, Python, PySpark, ETL processes, CI/CD (Jenkins or GitHub), and experience with both streaming and batch workflows will be essential in ensuring the efficient flow and processing of data to support our clients. Distributed Computing & Spark Development: Utilize your expertise in Apache Spark, Python, and PySpark to develop efficient, large-scale data processing and analysis scripts.

Arlington, VA30+ days ago

Full-time

Our advanced solutions power the largest and most complex government loan and grant programs, streamlining workflows and integrating proven technologies to handle high-volume financial processes with speed and precision. Allocore powers the leading government loans, grants, and fraud prevention programs with a unified cloud-based platform built for efficiency and security.

Manassas, Virginia19 days ago

$112,924–$125,275 Per Year

As a Senior Software Developer, you will be part of a team of engineers working to deliver a comprehensive SecDevOps software solution for the US Navy that provides automated functional testing and cybersecurity analysis of software payloads. Company Overview: General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation.

Washington, DC30+ 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.

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.

Mc Lean, VA27 days ago

Remote

$160,000–$187,000 Per Year

A Principal Software Engineer - Front End/ Back End exhibits influential skills to shape future work streams within the current customer base, while maintaining a strategic vision to successfully pursue new business opportunities. In support of various state and city equal pay transparency laws, Ad Hoc job descriptions feature the starting range we reasonably expect to pay to candidates who would join our team with little to no need for training on the responsibilities we've outlined above.

Manassas, Virginia27 days ago

$142,696–$158,303 Per Year

Company Overview: General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. You will be leading a team of engineers working to deliver a comprehensive SecDevOps software solution for the US Navy that provides automated functional testing and cybersecurity analysis of software payloads.

McLean, VA27 days ago

Remote

As a Java Backend Developer, you will be embedded within a cross-functional Agile scrum team, participating in the design of software tools and subsystems that support reuse and domain analysis, and assisting senior Applications Engineers and Application Programmers in interpreting software requirements and design specifications to code, integrate, and test software components. Build and maintain containerized Java services that run on AWS Elastic Container Service, ensuring services are observable, resilient, and ready for deployment to isolated VPC networking environments.

Bethesda, MD13 days ago

This strong commitment to our employees has been recognized by our inclusion on the Washington Business Journal’s “50 Best Places to Work” list as well as being a “Great Place to Work” certified company with a 4.6 star, and a 99% CEO approval Glassdoor rating. Java Developer – TS/SCI with Full Scope PolygraphXcelerate Solutions is seeking a Java Developer to support the design, development, and maintenance of mission-critical systems within an Agile and DevOps framework.

Burke, VA30+ days ago

Your impact is centered on three primary pillars: Rapid Development & Deployment: You will own the full development lifecycle—whether that means tweaking existing software, refactoring legacy code for modern performance, or engineering entirely new solutions from the ground up to close critical intelligence gaps. Candidates who bring the following "bonus" skills will be prioritized, as these competencies drive the long-term technological evolution of our program: AI/ML: Experience developing and deploying Artificial Intelligence and Machine Learning models.

Washington, Washington, DC7 days ago

Overview: BigBear.ai is seeking a CNO NetDev Developer to serve as a general-purpose CNO reverse engineer focused on network-based devices supporting high-impact, mission-forward efforts. If you’re energized by reverse engineering, network protocols, and building innovative tooling under real-world constraints, this role offers the chance to make immediate mission impact.

Chantilly, Virginia30+ days ago

As a Front-End Software Developer, you will play a key role in designing, developing, and maintaining high-quality software applications for the User interface (UI) and User experience (UX). You will work closely with cross-functional teams to understand requirements, translate them into technical solutions, and deliver innovative software products that meet customer needs.

Ashburn, VA30+ days ago

The UI Front-End Developer will actively engage in building single page applications using modern JavaScript framework and libraries. Required: Recent 5 years' experience developing front end applications using Angular (Preferred in Angular version 12 or above).

Alexandria, VA20 days ago

Space Ground System Solutions (SGSS), a Parsons company, is hiring junior software developers working onsite at our office in Alexandria, VA, to join mission-focused teams supporting the Naval Research Laboratory (NRL). Space Ground Systems Solutions (SGSS), a wholly owned subsidiary under the Parsons Corporation, is passionate about making our nation the undisputed leader in Space because we understand that ensuring our security for future generations depends on it.

Ashburn, VA30+ days ago

Ability to work independently and in a team setting, take ownership of and complete relatively complex tasks, effectively using available resources, as needed, with minimal guidance. Design and implement innovative AI solutions to address complex business challenges using techniques such as natural language processing and large language models.

Alexandria, VA30+ days ago

Space Ground Systems Solutions (SGSS), a wholly owned subsidiary under the Parsons Corporation, is passionate about making our nation the undisputed leader in Space because we understand that ensuring our security for future generations depends on it. Required Education: Bachelor of Science degree in Computer Science/Engineering or other relevant Engineering field from an accredited university or equivalent combination of formal education and experience.

Chantilly, VA30+ days ago

As trusted partners to leading aerospace and defense OEMs and Tier 1 suppliers, we connect professionals with career opportunities to grow and excel in aviation, aerospace, and defense. Experience with HTML, CSS, JavaScript (REACT, Open Layers), Spring Framework, Hibernate, RDBMS, NoSQL, REST/Open API.

Arlington, VA30+ days ago

S2Technologies is actively seeking a software developer to join an established development team responsible for enhancing, updating, and sustaining an existing DoD cloud‑based system. Responsibilities include developing new code, migrating Angular and Accumulo to their latest versions, and supporting requirements development as well as other lifecycle documentation and processes.

McLean, VA20 days ago

$130,000–$155,000

Proven track record of improving adoption or usability on complex enterprise or government applications — not just building new things, but fixing broken ones. Experience with Sonatype Nexus Repository Manager for managing build artifacts, enforcing dependency policies, and supporting secure DevSecOps pipelines.

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Python Jobs in Chantilly, VA

Senior Python Full Stack Engineer Vaco LLC

Backend Python Developer Genesis10

Lead, Software Engineer L3Harris Technologies

Jr. Software Developer Company Confidential

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Senior Python Developer (Lead) Otoe Missouria Group

Senior Python Developer Aretum

Python/Django Developer Quadrant Inc

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

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

Application Developer (Python/AWS) Quadrant Inc

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

Python Developer L3 ASCENDING

Sr. Python Engineer, Agentic AI Comcast Corporation

Software Developer (Python) II Noblis

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

SW Engineer Mid-Level (Clearable US Citizen) Linux, C/C++ Python Select Search Associates

Python Data engineer Iconma

Engineering Lead (Python & Django) Allocore

Lead GraphQL Java Python Engineer Eliassen Group

SR Engineer — SATCOM Networking & Software (C/C++/Python) MTI Systems

Software Engineer - Java, Python, node.js, JavaScript, HTML (2026-0065) Acclaim Technical Services

Business Analyst (Tableau, SQL , Python) | Hybrid - San Bruno , CA SAMPRASOFT

Data Engineer (Python/PySpark/Apache Spark) Infinitive Inc

Software Engineer (Python/Django) Allocore

Full Stack Software Engineer - Ruby-on-Rails/Java experience General Dynamics Mission Systems, Inc

Senior Java Full Stack Developer Lumen Solutions Group Inc

Mid level Java Developer System One

Principal Software Engineer Ad Hoc

Technical Lead - Software General Dynamics Mission Systems, Inc

Java Backend Developer - Contingent Aretum

Java Developer (Mid - SME Level) with FSP VMD Corp

Data Scientist SG2 Recruiting

CNO NetDev Developer Bigbear.ai

Front-End Software Developer VTG

UI Front End Developer Unissant

Jr. Software Developer Space Ground System Solutions

Artificial Intelligence/ Machine Learning Developer Unissant

Software Developer Space Ground System Solutions

Software Engineer - Developer 4 The Structures Company, LLC

Software Developer S2Technologies

Front-End UI/UX Developer Credence

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