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Sr Python Developer Jobs in Washington (NOW HIRING)

Noblis

Senior Python Developer

Chantilly, VA · On-site

$124K - $167K/yr

The developer will function as a full-stack engineer building and extending Python-based front-end and back-end capabilities that process diverse data formats encountered during forensic ...

WorkNova LLC

Python Developer

Reston, VA · On-site

$52.25 - $72/hr

Position Summary The Senior Python Developer will design, develop, test, and implement cloud native applications, data pipelines, and backend services within AWS. The role requires strong Python ...

Ekcel Technologies Inc

Sr AWS Python Developer

Reston, VA · On-site

$126K - $170K/yr

Sr AWS Python Developer (2 positions) Location- Reston, VA (In person Client interview) day one onsite Experience : 8 to 18 years FTE or C2C We are looking for Visa independent candidates only for ...

Mavens Guild

Senior Spark & Python Developer

Mclean, VA · On-site

$122K - $165K/yr

In a senior developer role, you will design and build data flow and data integration processes to ... Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you ...

Mavens Guild

Senior Spark & Python Developer

Mclean, VA · On-site

$122K - $165K/yr

In a senior developer role, you will design and build data flow and data integration processes to ... Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you ...

Mavens Guild

Senior Spark & Python Developer

Mclean, VA · On-site

$122K - $165K/yr

In a senior developer role, you will design and build data flow and data integration processes to ... Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you ...

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Sr Python Developer information

See Washington salary details

$62.3K

$160.8K

$220.9K

How much do sr python developer jobs pay per year?

As of Aug 22, 2026, the average yearly pay for sr python developer in Washington is $160,801.00, according to ZipRecruiter salary data. Most workers in this role earn between $137,600.00 and $185,200.00 per year, depending on experience, location, and employer.

What is a Sr Python Developer?

A Sr Python Developer is an experienced software engineer who specializes in designing, developing, and maintaining applications using Python. They are responsible for writing clean, efficient, and scalable code while also mentoring junior developers and collaborating with cross-functional teams. Their role often includes optimizing application performance, integrating third-party services, and ensuring best coding practices. Additionally, they may work with frameworks like Django or Flask and databases such as PostgreSQL or MongoDB to build robust backend systems.

What are the typical daily responsibilities of a Sr Python Developer?

As a Sr Python Developer, your daily tasks often include designing and coding complex features, reviewing code from team members, and troubleshooting bugs or performance issues. You may also lead technical discussions, contribute to architectural decisions, and collaborate closely with product managers, QA engineers, and other developers. Mentoring junior team members and staying up to date with best practices or new technologies is also a regular part of the role. This combination of hands-on engineering and leadership responsibilities ensures both the quality of the codebase and the continual growth of the team.

What are the key skills and qualifications needed to thrive in the Sr Python Developer position, and why are they important?

To thrive as a Sr Python Developer, you need expert proficiency in Python programming, strong problem-solving skills, and a solid background in computer science or related fields, often demonstrated by several years of relevant experience. Familiarity with frameworks like Django or Flask, version control systems such as Git, and sometimes certifications such as PCEP or PCAP are typically valued. Strong communication, leadership, and the ability to mentor junior developers are standout soft skills for this position. These combined proficiencies ensure that Sr Python Developers can build robust solutions, contribute to architectural decisions, and drive team success in complex technical environments.

What are popular job titles related to Sr Python Developer jobs in Washington?

For Sr Python Developer jobs in Washington, the most frequently searched job titles are:

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Sr Python Developer jobs near you
Infographic showing various Sr Python Developer job openings in Washington as of August 2026, with employment types broken down into 1% Internship, 83% Full Time, 5% Part Time, 2% Temporary, and 9% Contract. Highlights an 72% Physical, 7% Hybrid, and 21% Remote job distribution, with an average salary of $160,801 per year, or $77.3 per hour.

Senior Python Developer

Noblis

Chantilly, VA • On-site

$124K - $167K/yr

Full-time

Medical, Life, Retirement, PTO

Posted 26 days ago

Job description

Responsibilities
Noblis is seeking a cleared Cyber Capability Developer III - Digital Forensics to support our Law and Enforcement customer in Chantilly VA.
This role involves developing, maintaining, and enhancing cyber tools that support digital forensics and incident response operations for a federal law enforcement customer. The developer will function as a full-stack engineer building and extending Python-based front-end and back-end capabilities that process diverse data formats encountered during forensic investigations. Work is priority-driven based on operational needs, requiring adaptability and rapid delivery of scripts and functionality to expand the customer's use cases.
Job Responsibilities:
  • Develop and maintain full-stack applications using Python (Django) on the back end and React (JavaScript) on the front end to support forensic analysis workflows
  • Create new processing capabilities for data formats encountered during investigations
  • Develop scripts and modules that extend the functionality of the existing forensic toolkit
  • Broaden use cases of existing cyber tools to address evolving operational requirements
  • Containerize and deploy functionality using Docker
  • Write automation scripts in Bash and PowerShell to support forensic data processing pipelines
  • Manage and optimize PostgreSQL databases that underpin forensic tool data storage and retrieval
  • Collaborate with forensic examiners and incident responders to translate operational needs into development priorities

Required Qualifications
  • Active Top Secret (TS) clearance with eligibility for Sensitive Compartmented Information (SCI) and ability to obtain a Counterintelligence (CI) Polygraph.
  • US Citizenship is required.
  • Bachelor's degree or master's degree with 8 years of experience of experience OR Associate degree with 11 years of experience OR High School/Diploma with 14 years of experience
  • Solid experience with Python development.
  • Ability to rapidly prototype and deliver functional tools under operationally-driven timeline

#FundedPosition
Desired Qualifications
  • Active TS/SCI with CI Polygraph
  • Bachelor's degree in Computer Science, Engineering, Cybersecurity, or related field
  • Familiarity with SANS SIFT Workstation tools and forensic analysis workflows
  • Experience with digital forensics tools and techniques (disk imaging, memory analysis, artifact parsing)
  • Exposure to incident response processes and evidence handling in law enforcement contexts
  • Experience with mixed vendor/platform environments (COTS, GOTS, custom tools)
  • Knowledge of forensic data formats (E01, raw images, file system artifacts, registry hives, browser artifacts)

#nowhiring
Overview
Noblis and our wholly owned subsidiaries, Noblis ESI, and Noblis MSD tackle the nation's toughest problems and apply advanced solutions to our clients' most critical missions. We bring the best of scientific thought, management, and engineering expertise together in an environment of independence and objectivity to deliver enduring impact on federal missions. Noblis works with a wide range of government clients in the defense, intelligence and federal civil sectors. Learn more at Noblis -About Us
Why work at a Noblis company?
Our employees find greater meaning in their work and balance the other things in life that matter to them. Our people are our greatest asset. They are exceptionally skilled, knowledgeable, team-oriented, and mission-driven individuals who want to do work that matters and benefits the public. Noblis has won numerous workplace awards. Noblis maintains a drug-free workplace.
*Remote/hybrid status is subject to change based on Noblis and/or government requirements
Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to race, color, ethnicity, sex, age, national origin, religion, physical or mental disability, pregnancy/childbirth and related medical conditions, veteran or military status, or any other characteristics protected by applicable federal, state, or local law.
If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact us.
EEO is the Law | E-Verify | Right to Work
Total Rewards
At Noblis we recognize and reward your contributions, provide you with growth opportunities, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, and work-life programs. Our award programs acknowledge employees for exceptional performance and superior demonstration of our service standards. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in our benefit programs. Other offerings may be provided for employees not within this category. We encourage you to learn more about our total benefits by visiting the Benefits page on our Careers site.
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. The projected compensation range for this position is based on full time status. For part time or on-call staff, compensation is proportionately adjusted based on hours worked. While monetary compensation is important, it's just one component of Noblis' total compensation package.
Posted Salary Range
USD $120,700.00 - USD $188,725.00 /Yr.

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