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Junior Python Flask Developer Jobs in Ashburn, VA

ActioNet, Inc.

Junior Developer

Rosslyn, VA · On-site

$139K/yr

Junior Developer Location: Rosslyn, VA, Clearance: Secret The Junior Developer is an entry-level ... Basic knowledge of programming languages (e.g., Python, Java, C#). Familiarity with software ...

ActioNet

Junior Developer

Rosslyn, VA

Junior Developer Location: Rosslyn, VA, Clearance: Secret The Junior Developer is an entry-level ... Basic knowledge of programming languages (e.g., Python, Java, C#). * Familiarity with software ...

ActioNet

Junior Developer

Rosslyn, VA · On-site

$139K/yr

Junior Developer Location: Rosslyn, VA, Clearance: Secret The Junior Developer is an entry-level ... Basic knowledge of programming languages (e.g., Python, Java, C#). Familiarity with software ...

ActioNet

Junior Developer

Rosslyn, VA · On-site

$139K/yr

Junior Developer Location: Rosslyn, VA, Clearance: Secret The Junior Developer is an entry-level ... PCAP - Certified Associate in Python Programming or similar * Docker Certified Associate Salary up ...

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Junior Python Flask Developer information

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How much do junior python flask developer jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for junior python flask developer in Ashburn, VA is $59.95, according to ZipRecruiter salary data. Most workers in this role earn between $49.42 and $68.08 per hour, depending on experience, location, and employer.

What does a junior Python Flask developer do?

A Junior Python Flask Developer assists in building web applications using the Flask framework and Python programming language. Their responsibilities typically include writing and maintaining code, debugging applications, working with databases, and collaborating with senior developers and designers. They are often involved in both the backend and parts of the frontend, helping to implement new features and ensure the application runs smoothly. This role is ideal for those who are early in their software development career and looking to gain hands-on experience in web development.

What are the key skills and qualifications needed to thrive as a junior Python Flask developer, and why are they important?

To thrive as a Junior Python Flask Developer, you need a solid understanding of Python programming, web development concepts, and familiarity with the Flask framework, typically supported by a relevant degree or coursework. Experience with tools such as Git for version control, RESTful APIs, and basic front-end technologies (HTML, CSS, JavaScript) is also important. Strong problem-solving skills, eagerness to learn, and effective communication help you collaborate with team members and adapt to new challenges. These skills and qualities are crucial for building robust web applications, contributing effectively to projects, and growing in a fast-paced tech environment.

What are some common challenges faced by junior Python Flask developers when working on team-based projects?

As a Junior Python Flask Developer, one common challenge is adapting to established codebases and adhering to team coding standards. Collaborating with senior developers often means integrating your work with theirs, requiring clear communication and frequent code reviews. Additionally, balancing the need to learn new frameworks or tools while delivering features on tight deadlines can be demanding. However, support from experienced team members and regular feedback sessions help foster growth and ensure successful project contributions.

What is the difference between Junior Python Flask Developer vs Junior Django Developer?

AspectJunior Python Flask DeveloperJunior Django Developer
Required CredentialsPython knowledge, basic web development skills, possibly some certificationsPython knowledge, Django framework familiarity, certifications optional
Work EnvironmentStartups, small teams, flexible projectsWeb development companies, larger teams, structured projects
Industry UsageWeb apps, microservices, APIsFull-stack web applications, content management systems
Common Search IntentCompare entry-level Python web frameworksEntry-level Django web development roles

Both roles are entry-level Python web development positions, often requiring similar foundational skills. The main difference lies in the frameworks used: Flask is lightweight and flexible, suitable for microservices and APIs, while Django is more comprehensive, ideal for full-stack web applications. Your choice depends on the project type and your preferred development environment.

What are popular job titles related to Junior Python Flask Developer jobs in Ashburn, VA?

For Junior Python Flask Developer jobs in Ashburn, VA, the most frequently searched job titles are:

What job categories do people searching Junior Python Flask Developer jobs in Ashburn, VA look for?

The top searched job categories for Junior Python Flask Developer jobs in Ashburn, VA are:

What cities near Ashburn, VA are hiring for Junior Python Flask Developer jobs?

Cities near Ashburn, VA with the most Junior Python Flask Developer job openings:

Junior Python Flask Developer jobs near you

Junior Full Stack Software Engineer (DevSecOps)

Peraton

Herndon, VA • On-site

$80 - $100/hr

Other

PTO

Re-posted 18 days ago

Peraton rating

8.3

Company rating: 8.3 out of 10

Based on 56 frontline employees who took The Breakroom Quiz

52nd of 226 rated it services

Job description

Required Qualifications
  • A Bachelor’s degree in an area applicable to the position with 2+ years of relevant experience OR a Master’s degree in an area applicable to the position; an additional 4 years of experience may be considered in lieu of a degree requirement.
  • Active TS/SCI with polygraph (required)
  • Programming: Coursework or hands‑on experience in two or more of the following:
    • Java (Spring/Spring Boot),
    • Python (FastAPI or Flask; package management with Poetry is a plus),
    • JavaScript/TypeScript (React ecosystem or Angular).
  • Core skills: REST/JSON fundamentals; basic Git usage; familiarity with Agile/Scrum; exposure to Docker.
  • Cloud/Data: Experience or coursework with AWS services (e.g., EC2, S3, plus one of PostgreSQL, DynamoDB, DocumentDB).
  • Testing: Experience with unit testing (e.g., JUnit, Pytest, or similar).
Desired
  • Front‑end state management (Redux, NgRx); modern build tooling (Webpack, Vite, Angular CLI).
  • Python async/await and ASGI servers (Uvicorn/Hypercorn).
  • Elasticsearch basics (indexing, query DSL) and Python client usage.
  • MongoDB schemas, aggregation pipelines, performance tuning; drivers (PyMongo or Motor).
  • Message broker familiarity (ActiveMQ, JMS/STOMP).
  • CI/CD pipelines (Jenkins, GitLab CI, GitHub Actions); infrastructure‑as‑code (Terraform/CloudFormation).
  • Kubernetes fundamentals; container orchestration patterns.
  • Legacy analysis/migration: ExtJS and Spring to modern microservices/API gateway patterns.
  • E2E testing (Cypress/Selenium); integration testing strategies.
  • Collaboration tooling (Jira, Confluence); code reviews and branching strategies.
  • Monitoring/observability awareness (Prometheus, Grafana, ELK).
Soft Skills
  • Strong analytical and problem‑solving mindset; curiosity to learn and ask great questions.
  • Clear written and verbal communication for documenting and collaborating.
  • Team‑oriented with the ability to work independently on assigned tasks.
  • Receptive to feedback and mentoring; growth‑oriented attitude.

Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan.

Join a cross‑functional Scrum team building mission‑focused software in an Agile DevSecOps environment in our Herndon, VA location. As a junior engineer, you’ll contribute to full‑stack features, participate in acceptance criteria development, automate tests using Open Source/COTS tools, document instructions, and support integration activities. You’ll fix bugs, ship enhancements, and learn best practices while working with modern cloud, data, and messaging technologies.

What You’ll Do
  • Build & deliver software in sprints: design, develop, test, document, and integrate features across front‑end and back‑end services.
  • Apply Agile engineering practices: participate in backlog grooming, sprint planning, daily standups, demos, and retros.
  • Support DevSecOps workflows: use Git‑based workflows, CI/CD pipelines, and containerization to move changes from development to production.
  • Automate testing: create unit/integration tests and simple scripts to improve quality and repeatability.
  • Contribute to modernization: assist senior engineers in analyzing legacy ExtJS/Spring components and migrating to modern stacks and microservices.
  • Collaborate & learn: work closely with product owners, UX, QA, and other engineers; document technical work in Confluence and track tasks in Jira.
Technologies You’ll Use (and grow into)
  • Front‑end: JavaScript/TypeScript with React or Angular, HTML5, CSS3, responsive design; exposure to state management (Redux/NgRx) and modern build tools (Webpack, Vite, Angular CLI).
  • Back‑end: Python 3.8+ (FastAPI or Flask), OR Java (Spring/Spring Boot); RESTful API design and OpenAPI/Swagger.
  • Messaging: Basic understanding of message brokers (e.g., ActiveMQ), JMS/STOMP concepts; integrating Python apps (e.g., stomp.py).
  • Data: PostgreSQL, MongoDB (schemas, indexing), and AWS managed databases (DynamoDB, DocumentDB).
  • Search & Analytics: Exposure to Elasticsearch (v8+)—index management, query DSL, analyzers/tokenizers, Python client usage.
  • Cloud & DevOps: AWS (EC2, S3), Docker, Kubernetes (foundational), CI/CD with Jenkins, GitLab CI or GitHub Actions; infrastructure‑as‑code (intro level).
  • Testing & Quality: JUnit, Pytest, Jest; familiarity with integration/E2E tools (Cypress, Selenium) and TDD concepts.
  • Security: Awareness of secure API design, OAuth2/JWT, CORS configuration, and OWASP‑aligned practices.
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What Peraton employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

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About Peraton

Sourced by ZipRecruiter

At Peraton, we re at the forefront of delivering the next big thing every day. We re the partner of choice to help solve some of the world s most daunting challenges, delivering bold, new solutions to keep people around the world safer and more secure.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Herndon, VA, US

Year founded

2017

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