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Python Application Developer Jobs in Virginia (NOW HIRING)

We welcome your application to receive consideration for the following position. Introduction The ... Demonstrated experience scripting and programming, with strong skills in Python, Bash, or Go for ...

We welcome your application to receive consideration for the following position. Introduction The ... Demonstrated experience scripting and programming, with strong skills in Python, Bash, or Go for ...

Demonstrated experience supporting projects using Python. * Demonstrated experience building and ... application tier. * Demonstrated experience developing software in a DevOps environment.

Demonstrated experience supporting projects using Python. * Demonstrated experience building and ... application tier. * Demonstrated experience developing software in a DevOps environment.

InterImage has a growing need for an Application Developer 2 that is cleared to become an integral ... Python development and Jenkins Scripting • Experience with GIT repository, Maven, & Bamboo • ...

Overview VTG is currently seeking a Full Stack Web Application Developer (Expert) in Herndon VA to ... Python is preferred but would consider Java, CSharp, HTML, or SQL. • Fundamental understanding of ...

Overview VTG is currently seeking a Full Stack Web Application Developer (Expert) in Herndon VA to ... Python is preferred but would consider Java, CSharp, HTML, or SQL. • Fundamental understanding of ...

Python Developer

Reston, VA · On-site

$52.25 - $72/hr

EKS - Team is migrating this application from EC2 to EKS (Elastic Kubernetes Service), so someone ... Developer role * Primarily expertise in Python * Working as part of a development team previously

Python Developer

Richmond, VA · On-site

$49.75 - $68.50/hr

Python Developer (10+ Years Experience Required) W2 ONLY | No C2C | No 1099 | No Third-Party ... Optimize application performance. * Write clean, reusable, and maintainable code. * Collaborate ...

Application Developer IV

Richmond, VA · On-site

$166K - $208K/yr

... Engineer to design and implement automated solutions for complex enterprise application-hosting ... Professional-grade Python (3.x) development; strong API integration and orchestration capabilities ...

Senior Spark & Python Developer

Mclean, VA · On-site

$122K - $165K/yr

Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you ... Develop and lead development efforts of application programming interfaces to enable integration of ...

Senior Spark & Python Developer

Mclean, VA · On-site

$122K - $165K/yr

Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you ... Develop and lead development efforts of application programming interfaces to enable integration of ...

Showing results 41-60

Python Application Developer information

What is the difference between Python Application Developer vs Python Software Engineer?

AspectPython Application DeveloperPython Software Engineer
Required CredentialsBachelor's in CS or related field, Python certificationsBachelor's or higher in CS, Python certifications often preferred
Work EnvironmentDevelops specific applications, often client-focusedDesigns and develops software solutions, broader scope
Employer & Industry UsageTech companies, startups, enterprise softwareTech firms, software companies, consulting
Common Search & ComparisonFocuses on application development tasksEncompasses broader software engineering roles

Python Application Developers primarily focus on creating specific applications using Python, often working closely with clients or project teams. Python Software Engineers typically have a broader role, including designing, developing, and maintaining complex software systems. While both roles require similar credentials and work environments, the Application Developer role is more targeted towards application creation, whereas the Software Engineer may handle a wider range of software development tasks.

What are some common challenges Python application developers face when working on large-scale projects?

Python Application Developers often encounter challenges such as managing complex codebases, ensuring consistent code quality, and optimizing application performance as projects grow in size. Collaborating with cross-functional teams and integrating various third-party libraries can also introduce compatibility issues or technical debt. To address these challenges, developers typically follow best practices like using version control, implementing thorough testing strategies, and participating in regular code reviews to maintain project stability and scalability.

What jobs can a Python application developer get?

A Python application developer can pursue roles such as software engineer, backend developer, data analyst, data scientist, automation engineer, or machine learning engineer. These positions often require knowledge of frameworks like Django or Flask, and familiarity with databases, version control, and cloud platforms is beneficial.

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

To thrive as a Python Application Developer, you need proficiency in Python programming, a solid understanding of software development principles, and experience with frameworks like Django or Flask, typically supported by a degree in computer science or related field. Familiarity with version control systems such as Git, databases like PostgreSQL or MongoDB, and cloud platforms is often required, along with optional certifications such as PCEP or PCAP. Strong problem-solving abilities, effective communication, and teamwork skills help you collaborate efficiently and adapt to evolving project requirements. These skills ensure you can build robust, maintainable applications and contribute effectively to development teams.

Are Python application developers still in demand?

Python application developers are currently in high demand due to Python's versatility in web development, data analysis, machine learning, and automation. Employers seek professionals skilled in frameworks like Django and Flask, as well as proficiency with related tools and libraries, making it a valuable skill set in the tech industry.

What is a Python application developer?

Python Application Developers are software professionals who design, build, test, and maintain applications using the Python programming language. They work on a variety of projects, ranging from web and desktop applications to data analysis tools and automation scripts. These developers are skilled in Python frameworks and libraries and often collaborate with other developers, designers, and stakeholders to deliver functional and efficient software solutions.

How much do Python application developers get paid?

Python application developers typically earn a median annual salary ranging from $70,000 to $120,000, depending on experience, location, and industry. Developers with expertise in frameworks like Django or Flask and proficiency in related tools may command higher salaries, especially in tech hubs or for senior roles.
What are popular job titles related to Python Application Developer jobs in Virginia? For Python Application Developer jobs in Virginia, the most frequently searched job titles are:
What job categories do people searching Python Application Developer jobs in Virginia look for? The top searched job categories for Python Application Developer jobs in Virginia are:
What cities in Virginia are hiring for Python Application Developer jobs? Cities in Virginia with the most Python Application Developer job openings:
Infographic showing various Python Application Developer job openings in Virginia as of August 2026, with employment types broken down into 76% Full Time, 18% Part Time, and 6% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution.

Application Developer

J5 Consulting

Chantilly, VA • On-site

Full-time

Medical, Retirement, PTO

Re-posted 13 days ago


Job description

J5 Consulting is a Maryland based company established in 2006 to provide computing and consulting services for government and commercial entities. Our services improve Information System networking performance and compliance and protect electronic assets from loss and compromise. We welcome your application to receive consideration for the following position.
Introduction
The Sponsor applies technical resources to accelerate the timely, reliable, and secure delivery of open source data, information, and insights. The Sponsor requires application development support to maintain
and enhance an existing social media data exploitation platform. The Contractor will work within an existing team environment. Work will include developing enhancements to an existing service-based Java web application.
Required Skills and Demonstrated Experience:
  • Demonstrated experience building and maintaining scalable front-end applications using React and TypeScript, with a solid understanding of component-based architecture, state management, and hooks.
  • Demonstrated experience managing application state using MobX or other state management libraries or solutions within a TypeScript/React environment.
  • Demonstrated experience understanding Node.js; to include competency in developing backend services and APIs using Node.js, with the ability to switch to backend work and integrate front-end with server-side code as required.
  • Demonstrated experience with Elasticsearch; to include designing search functionalities, analytics, including querying, indexing, mappings, analyzers, tokenization, bulk indexing, search DSL, aggregations, reindexing, snapshots, ILM, performance tuning, working with large datasets. Managing at scale: cluster topology, shard sizing, replica strategy, resource limits, JVM tuning, recovery practices. Shard sizing strategy, reallocation, recovery tuning, snapshot impact, and performing rolling upgrades.
  • Demonstrated experience with Database Management with RDS (Relational Database Service); to include proficiency in working with relational databases, specifically with Amazon RDS or similar services, including writing SQL queries, optimizing performance, and integrating with backend applications.
  • Demonstrated experience with version control systems (such as Git) and familiarity with continuous integration/continuous deployment (CI/CD) pipelines to efficiently manage codebase and deployments.
  • Demonstrated experience building and operating ETL (extract, transform, load) pipelines for very large datasets (terabytes to petabytes), with production-grade reliability.
  • Demonstrated experience in TypeScript/JavaScript for backend development (Node.js frameworks like Express, async/await, Promises) and familiarity with the Elasticsearch JS/TS client.
  • Demonstrated experience scripting and programming, with strong skills in Python, Bash, or Go for automation, tooling, data processing and runbook scripting.
  • Demonstrated experience with SQL and experience optimizing complex queries where relevant to upstream data modeling.
  • Demonstrated experience with the ability to evaluate trade-offs between latency, throughput and infrastructure cost, including index retention and storage tiers (Cost-aware mindset).
  • Demonstrated experience with extensive Terraform experience; authoring modules, composition patterns, managing remote state backends and locks (S3), workspaces, provider/version locking, and writing idempotent infrastructure.
  • Demonstrated experience with AWS (Amazon Web Service) networking mastery; to include VPC design, subnets, route tables, IGW, NAT, Transit Gateway, VPC Peering, PrivateLink, VPC endpoints, security groups, NACLs, Direct Connect, VPN and load balancers (NLB/ALB)
  • Demonstrated experience with CI/CD and automation: Git-based workflows, Terraform pipelines (GitHub Actions, GitLab CI, Jenkins).
  • Demonstrated experience with TLS, encryption at rest, IAM (identity and access management) policies or roles, secrets management (Vault, AWS Secrets Manager), network segmentation, audit logging and compliance controls.
  • Demonstrated experience with performance tuning: JVM heap sizing, GC tuning, fil
  • descriptors/ulimits, OS settings (vm.max_map_count), thread pools, merge and refresh tuning, and bulk/ingest optimizations.
  • Demonstrated experience with disaster recovery and capacity planning for large data sets, including tested backup/restore procedures and runbooks.
  • Demonstrated experience with problem-solving, performance tuning capabilities for ETL jobs, Node.js backends, collaboration skills, with the ability to work across all layers of the stack, collaborate effectively with cross-functional teams, analytics and SRE teams, ability to adapt to evolving project requirements.
  • Demonstrated experience with security and cost optimization patterns (right-sizing, reserved instances/savings plans, tiered storage).
  • Demonstrated experience with strong troubleshooting skills using ES APIs (_cluster/health, _cat, _nodes, _segments, _recovery, _stats), logs, JVM GC analysis, thread-pool diagnostics, and OS-level metrics.

Highly Desired Skills and Demonstrated Experience:
  • Demonstrated experience with Apache NiFi for flow-based ingestion and provenance-driven data movement.
  • Demonstrated experience with schema evolution strategies, mapping conflicts, versioning, and automated reindex pipelines.
  • Demonstrated experience with data modeling, metadata management and catalog tools
  • Demonstrated experience with strong communication skills and working cross-functionally with product, analytics and SRE teams.
  • Demonstrated experience working across all layers of the stack when needed, demonstrate problem-solving skills, collaborate effectively with cross-functional teams, and adapt to evolving project requirements.
  • Demonstrated experience running production-critical distributed systems.

US Citizenship:
  • This position requires US Citizenship. Verification of US Citizenship to meet federal government security requirements will be confirmed.

Security Clearance:
  • The successful candidate must have an active U.S. Government Top Secret Security Clearance with a Full Scope Polygraph.
  • Clearance Verification: This position requires successful verification of the stated security clearance to meet federal government customer requirements. You will be asked to provide clearance verification information prior to an offer of employment.

Travel:
  • This position is expected to be onsite. The position will be located within the Washington Metropolitan Area (WMA). Local travel/POV will be on an as needed basis, within the local place of performance.

Join J5 Consulting and Grow Your Cybersecurity Career
At J5, we're a team of innovators protecting organizations from evolving cyber threats. With 18+ years of success in government and commercial sectors, we offer meaningful opportunities to grow your career.
Enjoy comprehensive benefits, including:
  • 100% employer-paid health coverage
  • a 6% 401(k) match
  • PTO
  • tuition reimbursement
  • bonuses
  • professional development, and more.

Ready to make an impact? Explore our open positions and apply today.