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Junior Python Flask Developer Jobs in Virginia (NOW HIRING)

NSS

Full Stack Python Developer

Leesburg, VA · On-site

Design and develop Python backend services and REST APIs (e.g., Flask/FastAPI) to expose AI/ML and ... Collaborate with ML Engineers to productionize LLM/RAG-based features, including prompt/inference ...

WorkNova LLC

Python Developer

Reston, VA · On-site

$52.25 - $72/hr

Python Developer with AWS Reston, VA, 3 days onsite in a week Need to go for F2F interview ... Hands-on experience building RESTful APIs using Flask, Django, or FastAPI * Knowledge of ...

Navitas

26-1106: Python Developer - Herndon, VA

Herndon, VA · On-site

$110K - $150K/yr

Python Developer Job ID#: 26-1106 Clearance: Top Secret Location: Herndon, VA Who We Are: Since our ... Strong experience building Python applications and REST APIs using Flask or FastAPI. * Experience ...

Ampcus Inc

Python Full Stack Developer

Mclean, VA · On-site

They are looking for a passionate Python Full Stack Developer to join their team, responsible for ... Flask or Pyramid • Knowledge of data science and machine learning concepts and tools • ...

SourceFly LLC

Systems Engineer

Fort Belvoir, VA · On-site

Experience with Python; Flask experience a plus * Skilled in embedded systems programming (microcontrollers; FPGA experience a plus, experience interfacing with laboratory measurement equipment is a ...

Interon IT Solutions

AI/ML Engineer

Reston, VA · On-site

AI/ML Engineer (Python, AWS, GenAI) Location: Reston, VA (In-person interviews required) Candidate ... Develop scalable, high-performance Python microservices using FastAPI/Flask for data pipelines ...

SourceFly

Systems Engineer

Fort Belvoir, VA · On-site

Experience with Python; Flask experience a plus * Skilled in embedded systems programming (microcontrollers; FPGA experience a plus, experience interfacing with laboratory measurement equipment is a ...

BTI360

Join Our Talent Community

Herndon, VA · On-site

$18.50 - $24.75/hr

... Python + Flask, or Typescript with Angular/React. • Experience with AWS services such as S3 ... Programming. • Experience working in an Amazon Web Services (AWS) environment, including ...

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Junior Python Flask Developer information

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 the most commonly searched types of Python Flask Developer jobs in Virginia?

The most popular types of Python Flask Developer jobs in Virginia are:

What are popular job titles related to Junior Python Flask Developer jobs in Virginia?

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

What job categories do people searching Junior Python Flask Developer jobs in Virginia look for?

The top searched job categories for Junior Python Flask Developer jobs in Virginia are:

What cities in Virginia are hiring for Junior Python Flask Developer jobs?

Cities in Virginia with the most Junior Python Flask Developer job openings:

Junior Python Flask Developer jobs near you

Full Stack Python Developer

Leesburg, VA • On-site

NSS
Recruiting and Staffing Services • 11 - 50 employees
Learn more about NSSexternal

Full-time

Re-posted 11 days ago

Job description

What You’ll Do:
Government contractor is seeking a Full Stack Python Developer to build and scale user-facing and backend applications that power AI/ML capabilities for the DoD Search Portfolio.
You will develop secure, cloud-native web services and UI experiences that integrate with LLM/RAG and semantic search pipelines. This role partners closely with ML engineers and data teams to productionize models through robust APIs, workflows, and operational tooling. You will help deliver mission-ready solutions that handle large-scale datasets with strong performance, reliability, and traceability.
The ideal candidate thrives in fast-paced environments and enjoys building end-to-end systems that make AI usable for real users.

Responsibilities will include but are not limited to:
  • Support CI/CD and DevOps practices (containerization, deployment automation, monitoring/alerting) to ensure stable releases and operational readiness.
  • Apply best practices for security, logging, auditing, and compliance aligned with federal/DoD standards across services and environments.
  • Design and develop Python backend services and REST APIs (e.g., Flask/FastAPI) to expose AI/ML and search capabilities to applications and mission systems.
  • Build full stack features (UI + API) that support search workflows, semantic retrieval, and results visualization for enterprise users.
  • Integrate backend services with Databricks/Spark pipelines and ML workflows to enable scalable inference, data processing, and batch/stream execution.
  • Implement and maintain integrations with Elasticsearch (search/indexing) and Neo4j (graph/relationship-driven experiences) to enhance relevance and discovery.
  • Collaborate with ML Engineers to productionize LLM/RAG-based features, including prompt/inference orchestration, embeddings services, and retrieval workflows.
  • Create clear technical documentation and communicate design decisions, trade-offs, and implementation approaches to both technical and non-technical stakeholders.
What You’ll Need:
  • Bachelor’s degree (or equivalent experience) with 5+ years in software engineering focused on Python and web application development.
  • Must have: Strong hands-on experience building Python APIs/services (Flask/FastAPI preferred) and integrating with databases, search platforms, and external systems.
  • Experience developing full stack applications using modern front-end frameworks (React/Angular/Vue) plus strong API design skills.
  • Familiarity with AI/ML concepts and integrations (LLMs, embeddings, semantic search, RAG workflows) and working closely with data/ML teams.
  • Must have: Working experience with cloud-native delivery (Docker/Kubernetes), CI/CD, Git-based workflows, and performance/reliability best practices; Databricks/Spark experience required.
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About NSS

Sourced by ZipRecruiter

NSS RPO was founded by Jessica Nicholson and Conor Nicholson in 2009. They saw the need for a nice services company that valued their employees by putting them first. With Jessica’s organizational skills and strategy along with Conor’s network, the company employed 25 contract recruiters in less than a year and proceeded to make the Inc. 5000 as one of the fastest growing companies in America, three years in a row. Since its inception, NSS RPO has hired hundreds of recruiters in over 30 states. NSS RPO is proud to include among its clients eight of the ten largest government contractors, the world's largest job board, entertainment company and one of the nation’s largest banks. NSS RPO is your trusted provider of Recruitment Process Outsourcing (RPO) solutions. Founded by an experienced recruiter and solely focused on RPO, NSS RPO offers a strong network of exceptional recruiters and customizable staffing solutions. Named to Washington Business Journal’s prestigious list of Top 25 Staffing Agencies seven years in a row, NSS RPO is known for its quality, agility, and expertise. If you have a recruitment staffing need at your organization, NSS RPO can customize a solution for you, no matter how big or small.

Industry

Recruiting and staffing services

Company size

11 - 50 Employees

Headquarters location

Herndon, VA, US

Social media

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