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Python Software Engineer Jobs in Ashburn, VA, US

2,200+ python software engineer jobs from 480+ companies hiring in Ashburn, VA, US.

2,235 jobs- Ashburn • 50 miles
3w
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Machine Learning Engineer - Secure AI Lab
Pittsburgh or Arlington
OnsiteFull Time
Carnegie Mellon University
Carnegie Mellon University: Global research university providing higher education and conducting scientific research.
8+ YOEExperience in machine learning, AI, software engineering; on-site work in Pittsburgh or Arlington; ability to work with government sponsors and ensure secure AI.
TensorFlow, PyTorch, Torch, Caffe, Python, C++, Java, ETL, data pipelines
1mo
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Senior Full Stack AI Engineer
Jacksonville or Iselin or Washington or Richardson
$110k-$190k/yr OnsiteFull Time
Fortegra
Fortegra: Provides specialty insurance products and warranty service solutions.
7+ YOE7+ years software engineering; enterprise apps; React front-end; server-side frameworks; AI tooling; security and cloud knowledge.
React, NestJS, Express, Python, FastAPI, Django, NET Core, Claude Code, GitHub Copilot, Cursor, Replit
3w
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Spatial Front, Inc - Senior Application Developer
Suitland or United States
$90k-$138k/yr RemoteFull Time
Spatial Front
Spatial Front: IT solutions and mission support for government agencies.
7+ YOEBachelor’s degree in computer science or related field; 7+ years software development experience; strong Java, AWS, and microservices skills; experience with React, Python, and databases.
Java, AWS, Spring Framework, Hibernate, REST, PostgreSQL, Oracle Spatial, Python, React
1mo
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Windows CNO Developer
Arlington, Virginia, United States
$60k-$180k/yr OnsiteFull Time
M9 Solutions
M9 Solutions: Provides IT modernization and technology services to federal agencies.
7+ YOEActive TS/SCI clearance; 7–10+ years in low-level or systems programming on Windows; proficiency in C/C++, Python, and assembly; experience with reverse engineering tools; strong Windows internals knowledge.
IDA Pro, Ghidra, WinDbg, x64dbg, Visual Studio, Git, CMake, Python, C/C++, Assembly
4w
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Senior Back End Developer
Lackland AFB or Fort Meade
OnsiteFull Time
Titan Technologies
Titan Technologies: Provides IT solutions and services to government agencies.
10+ YOEDoD TS clearance required; TS/SCI preferred; 10+ years software development; 5+ years backend web development; 10 years relational databases and RESTful APIs; 5 years Python and PostgreSQL; 5 years Jira; 5 years web testing; 5 years leading software programs; 3 years AWS, Kubernetes, RedHat Linux; 5 years with five of: PostgreSQL, RDS, Exodus, Pyth...
Python, PostgreSQL, Docker, Ansible, Terraform, AWS, Kubernetes, OpenStack, Java, Puppet, Chef, Maven, OpenJDK, REST APIs, Git
2w
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Platform Innovation Engineer (Rockville, MD, US, 20850)
Rockville, Maryland, United States
$54k-$70k/yr OnsiteFull Time
Aramark
AramarkNYSE: ARMK: Provides food and facility management services to diverse organizations.
Bachelor's in CS/Engineering/Data or related; SQL/Python/cloud/tools experience; interest in AI-enabled systems; eager to experiment; strong communication.
Snowflake, Azure, Matillion, Power Platform, Power BI, Python, SQL, AI tooling
2mo
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Staff iOS Engineer
Columbia, Maryland, United States
$165k-$200k/yr HybridFull Time
Quidient
Quidient: Develops 5D scene reconstruction and spatial AI software.
7+ YOE7+ years iOS development; 3+ years 3D/spatial computing; Swift; ARKit/RealityKit/Metal; REST APIs; C++/Python; able to work with loosely defined requirements.
Swift, ARKit, RealityKit, Metal, GPU, AVFoundation, CoreLocation, CoreMotion, VisionKit, ImageIO, CoreML, RESTful API, C++, Python, CI/CD, Git
2w
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Fullstack Developer
Arlington, Virginia, United States
$115k-$125k/yr RemoteFull Time
Dexian Government Solutions
Dexian Government Solutions: Provides diversified IT and engineering solutions to government agencies.
3+ YOE3+ years JavaScript, 5+ years full stack, Python/JS/C#, CS/Web Dev degree, UI/UX experience, professional certifications.
HTML, CSS, JavaScript, TypeScript, jQuery, Angular, React, Node.js, Python, C#, Flask, Django, MySQL, Teradata, Apache, REST, gRPC, Azure, AWS, Kafka, EventHub, Azure DevOps, GitHub, Databricks
2mo
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Senior Back End Developer (TS/SCI)
San Antonio or Fort Meade
OnsiteFull Time
Def-Logix
Def-Logix: Provides cybersecurity and software engineering solutions for government agencies.
10+ YOESenior backend developer with TS/SCI clearance; 10+ yrs software development; 5+ yrs backend web development; Python & PostgreSQL; REST APIs; cloud (AWS/Kubernetes); DoD/DevSecOps experience.
Python, PostgreSQL, REST API, AWS, Kubernetes, RedHat Linux, Jira, Maven, BASH, Spring, Ansible, JUnit5, Nexus Repository
2w
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Software Engineering Associate Consultant (Graduating Dec 2025- Summer 2026)
Charlotte or Reston or Richmond
HybridFull Time
CapTech
CapTech: Provides technology and management consulting services to large enterprises.
0+ YOEEntry-level software engineering role; bachelor’s or accelerated master’s in CS/CE/IT with graduation Dec 2025 or Spring/Summer 2026; internship/ project experience; strong communication and analytical skills.
Java, NET, CSharp, Python, Go, Android, iOS, JavaScript, React, Angular, Node.js, AWS, GCP, Azure
4w
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SIMULATION & DIAGNOSTICS DEVELOPER
Greenbelt, Maryland, United States
$170k-$190k/yr HybridFull Time
MCSG Technologies
MCSG Technologies: Provides information technology, engineering, and healthcare support services.
12+ YOEUS citizenship; extensive software development lifecycle experience; embedded software; TCP/UDP networking; DTN protocols; Linux/VxWorks RTOS; C/C++/Java; testing and documentation; familiarity with Git/JIRA/GitHub.
C, C++, Java, XML, JSON, Linux, RTOS (VxWorks), Git, JIRA, GitHub, Python, TCP, UDP, DTN, NASA standards
1mo
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AI/ML Engineer
Annapolis Junction, Maryland, United States
$200k-$250k/yr OnsiteFull Time
Synergy ECP
Synergy ECP: Provides cybersecurity and systems engineering for defense agencies.
14+ YOEAI/ML development or integration experience; Terraform with AWS; C++, Python and/or Golang; GPU-enabled apps; large-scale streaming data analytics.
Terraform, AWS, C++, Python, Golang, GPU, Streaming data analytics
4d
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Meteorologist Developer
College Park, Maryland, United States
$70k-$90k/yr RemoteFull Time
Lynker
Lynker: Science and technology solutions for government and environmental agencies.
2+ YOE2+ years of related experience preferred; bachelor's degree in meteorology or related earth science; strong Python and UNIX/Linux scripting; knowledge of GIS, JavaScript, cloud services, and version control.
Python, Shell scripting, UNIX/Linux, GIS, JavaScript, Cloud Services, Version Control Systems
1mo
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Application Developer
Chantilly, Virginia, United States
OnsiteFull Time
J5 Consulting
J5 Consulting: Provides specialized cybersecurity and technical services to government and commercial clients.
2+ YOEExperience building secure Java web apps (Spring), Python, React; SQL/NoSQL; AWS; REST APIs; CI/CD; Git; DevOps; Elasticsearch/MongoDB; NiFi; ETL; MapReduce; HBase.
Java, Spring, Spring Boot, Spring Security, Python, JavaScript, TypeScript, React, PostgreSQL, MySQL, PL/SQL, AWS, Jenkins, Git, Elasticsearch, MongoDB, NiFi, ETL, MapReduce, HBase
2w
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AI Engineer - AI+CryoET
Ashburn, Virginia, United States
OnsiteFull Time
Howard Hughes Medical Institute
Howard Hughes Medical Institute: Conducts biomedical research and funds scientific education and discovery.
3+ YOEExperience building AI/ML models for 3D imaging, especially cryoET or similar volumetric data; strong Python, PyTorch/JAX skills; collaboration across multidisciplinary teams.
Python, PyTorch, JAX, OpenMM
4d
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Product Engineer
McLean, Virginia, United States
$115k-$135k/yr HybridFull Time
Hive Group
Hive Group: Provides management consulting and professional services to federal agencies.
5+ YOEBachelor’s degree or equivalent practical experience; 5+ years in internal applications, automation, or analytics product delivery; ability to obtain Public Trust clearance; strong HTML/CSS/JS, Databricks, SQL, and data engineering skills.
HTML, CSS, JavaScript, Databricks, SQL, pgAdmin, Python, Git, GitHub, VS Code, CLASP
2mo
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Staff Engineer, AI Core
Palo Alto or Miami or Washington or Durham or Toronto
HybridFull Time
Nubank
NubankNew York Stock Exchange: NU: Operates a digital financial platform offering banking and credit services.
Experience as a Staff Engineer or Senior Engineer shipping complex, large-scale consumer-facing mobile apps; strong backend and AI/ML data-pipeline experience; leadership and mentorship.
Flutter, AWS, Go, Java, Python, Clojure, Microservices, Event-driven
2mo
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Machine Learning Engineer
Arlington or United States
$110k-$160k/yr OnsiteFull Time
Kitware
Kitware: Develops open-source software for scientific computing and data visualization.
Bachelor's or Master's in CS/ECen or related field; Python; deep learning libraries; ML with visual data; TS/SCI with US citizenship; travel; on-site work in NCR area.
Python, PyTorch, TensorFlow, C++
6d
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Senior AI/ML Engineer
New York or Santa Monica or Los Angeles or Palo Alto or Chicago or Washington D.C. or Boston or Colorado or Seattle or San Francisco or San Diego or Reston
OnsiteFull Time
Cooley
Cooley: Provides legal counsel to technology and life sciences companies.
5+ YOE5+ years in AI/ML; hands-on with Azure/AWS; Python; LLMs; data integration; LangChain or similar; cloud security and governance.
Python, Azure, AWS, LangChain, LangSmith, Pydantic AI, APIs, Data Ingestion, Data Lakes, Data Warehouses
2w
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Lead Underground Transmission Line Engineer 2 - Grid
Washington, District of Columbia, United States
$132k-$205k/yr HybridFull Time
Sargent & Lundy
Sargent & Lundy: Provides engineering and consulting services for the power industry.
12+ YOEBS in engineering; PE license; CYMCAP; cable tensioning software; 12+ years leading underground transmission projects; design to code standards; cost/schedule experience.
CYMCAP, Cable tensioning software, Python, MATLAB, MS Excel, MS Office
2mo
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Embedded Platform Engineer
Washington, District of Columbia, United States
RemoteFull Time
Valinor
Valinor: Develops specialized hardware and software for defense and government.
3+ YOE3+ years building and operating production systems; strong scripting in Python/TypeScript; CI/CD, containers, cloud platforms; AI tooling; security/compliance awareness; eligible for U.S. Secret clearance.
Python, TypeScript, GitHub Actions, Docker, Kubernetes, Azure, AWS, GCP, JFrog, CI/CD, AI tooling
1w
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Principal Integration & Test Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Trident Systems
Trident Systems: Develops high-performance electronics for space and defense.
9+ YOEBachelor's in EE/CE/CS or related field; 9+ years in embedded systems integration and test; strong hardware/software debugging; experience with avionics or aerospace hardware.
C/C++, Python, FPGA, Lab instrumentation
1mo
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DevOps Engineer
McLean or Chantilly
OnsiteFull Time
eDesign House
eDesign House: Provides secure software and cloud solutions for government agencies.
3+ YOEActive TS/SCI clearance with CI Poly; U.S. Citizenship; 3+ years in DevOps/SRE/Cloud; Python/Bash; Kubernetes; cloud infra; secure environments.
Terraform, Ansible, Docker, Kubernetes, Jenkins, GitLab CI, CircleCI, CloudFormation, Prometheus, Grafana, ELK Stack, AWS, Azure, GCP
3mo
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Elastic Engineer
Dulles, Virginia, United States
$120k-$135k/yr HybridFull Time
ARGO Cyber Systems
ARGO Cyber Systems: Provide managed cybersecurity monitoring and incident response services.
8+ YOE8+ years software development; 2+ years Elastic Cloud on Kubernetes (ECK) admin; 2+ years Elasticsearch DSL; 5+ years Kubernetes; strong ELK stack knowledge; scripting in Python, Bash, JavaScript; U.S. citizenship; active clearance (TS/SCI eligible); DHS suitability; Bachelor's in Software Engineering or Computer Science.
ELK Stack, Elasticsearch, Kibana, Logstash, Beats, Elastic Cloud on Kubernetes, Kubernetes, Python, Groovy, Bash, JavaScript
1mo
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Full Stack Developer - Tech Dev (TS/SCI Required)
Washington or Reston
$165k-$185k/yr OnsiteFull Time
Kentro
Kentro: Provides digital transformation and IT services to federal agencies.
7+ YOE7+ years software development; full stack; TS/SCI clearance; BS or AS with 10+ years exp; strong JS/TS, .NET/C#, Python; SQL/ORM; Git; Agile; able to work with government clients.
.NET, C#, Python, JavaScript, TypeScript, React
1w
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Summer Intern Software Engineering, CloudOps
Washington, District of Columbia, United States
OnsiteFull Time
The Washington Post
The Washington Post: Provides daily newspaper publishing and digital news reporting services.
0+ YOEPursuing CS/SE with knowledge of data structures, algorithms; experience with Java, Python, JavaScript/TypeScript, Go, Ruby, or SQL; familiar with Git; cloud concepts (AWS, Azure, or GCP); containerization/CI/CD; databases; strong problem solving; collaboration.
Docker, AWS CDK, CloudFormation, Datadog, GitHub, Jenkins, CodePipelines, ECS, Load Balancers
6d
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Senior QA Automation Engineer
Bethesda or Rockville
$120k-$130k/yr HybridFull Time
A-TEK
A-TEK: Provides digital transformation and scientific solutions to federal agencies.
5+ YOE5+ years QA automation, Playwright, React/.NET, PowerApps, Python, GitHub/Jira/AWS, public trust clearance.
Playwright, React, .NET, PowerApps, Python, GitHub, Jira, AWS, Entra (Azure AD)
1mo
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DevOps Engineer
Washington, District of Columbia, United States
$110k-$150k/yr OnsiteFull Time
E-INFOSOL
E-INFOSOL: Provides secure cloud and cybersecurity solutions for government agencies.
8+ YOETop Secret/SCI clearance; BS in CS/ENG/IS; 8+ years DevOps and software development; 8+ years infra automation; Ansible, Terraform; AWS; Jenkins/GitLab; Docker, Kubernetes; Python or Java; full lifecycle engineering; strong problem solving.
Ansible, Terraform, Amazon Web Services, Jenkins, GitLab, Docker, Kubernetes, Python, Java
1w
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Full Stack Engineer III
Washington, District of Columbia, United States
$125k-$135k/yr HybridFull Time
DSPolitical
DSPolitical: Provides voter-targeted digital advertising for Democratic and progressive campaigns.
5+ YOE5+ years web app development; mentorship; backend in PHP/Python/Node; MySQL; JavaScript with Vue/React/Angular; production web app experience; US work authorization.
PHP, Python, Node.js, MySQL, Vue, React, Angular, JavaScript
2mo
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Senior Platform Engineer
Arvada or Los Angeles or San Francisco or Seattle or Washington
$145k-$186k/yr HybridFull Time
Quindar
Quindar: Provides cloud-based software for satellite mission and fleet operations.
3+ YOE3+ years in reliability, systems, DevOps, infrastructure, or platform engineering; Bachelor's degree; ability to obtain security clearance; ITAR eligibility.
Kubernetes, Terraform, Python, New Relic, DataDog, Splunk, AWS CloudWatch, GitHub Actions, Auth0, Okta, Git, VPN, NLB/ALB, TLS, CDN
2w
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Full-Stack Developer Intern
Gaithersburg, Maryland, United States
OnsiteInternship
Diaconia
Diaconia: Provides secure IT modernization and engineering for government agencies.
0+ YOECurrently enrolled in a Bachelor's or Master's program in CS/Software Engineering or related field; GPA 3.2+, proficiency in JavaScript/TypeScript, front-end framework (React/Angular/Vue), RESTful APIs, relational DB, Git; strong problem-solving and communication.
JavaScript, TypeScript, React, Angular, Vue, Node.js, Python, Java, SQL, Git, Docker, Kubernetes, AWS, Azure, Google Cloud, GraphQL, REST
1d
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Lead DevOps Engineer
McLean, Virginia, United States
RemoteFull Time
Hilton
HiltonNYSE: HLT: Provides global hotel management, franchising, and lodging services.
5+ YOEFive (5) years in technology, four (4) years with CI tools (GitLab preferred), four (4) years automating delivery, three (3) years administering Kubernetes, three (3) years on AWS, scripting in Bash/Python/Terraform, on-call reliability. Travel up to 10%.
GitLab, Bash, Python, Terraform, Kubernetes, Docker, AWS
2mo
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DevOps Engineer - Mid-SR, TS/SCI with CI Poly - $150K-$200K + 15% 401k
Fairfax, Virginia, United States
$150k-$200k/yr OnsiteFull Time
Millennial Software
Millennial Software: Develops software and automation for national security and defense.
4+ YOEDevOps Engineer with TS/SCI w/ CI Poly, 4+ years exp, Terraform/Ansible, Linux, scripting, Kubernetes, AWS, Security+; Bachelor's in CS/Software Eng.
Terraform, Ansible, Linux, Bash, Python, Kubernetes, Docker, AWS, EC2, S3, SQS, Helm, Harbor, GitLab, Prometheus, Grafana, ELK, ArgoCD, Flux
2mo
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Full Stack Developer
Baltimore, Maryland, United States
$124k-$170k/yr RemoteFull Time
Index Analytics
Index Analytics: Delivers data strategy and IT solutions to federal health agencies.
3+ YOEBachelor's degree or equivalent experience; 3 years in similar role; proficient in Java/Go/Python; API development platforms; AWS; API-first; Agile.
Java, Go, Python, AWS, API Gateway, Apigee, Kong, CMS, Snowflake, Databricks, CloudFormation, Jenkins
1mo
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Data Engineer, Global Credit Technology
Washington, District of Columbia, United States
$160k-$170k/yr OnsiteFull Time
Carlyle
CarlyleNASDAQ: CG: Global investment firm specializing in private equity and credit.
6+ YOE6+ years in data engineering or backend/software roles; strong Snowflake/Databricks, dbt, Airflow; Azure/AWS; SQL; API integration; Python; Power BI experience.
Snowflake, Databricks, dbt, Airflow, Azure, AWS, SQL, Python, Power BI
1mo
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Data Engineer III
Columbia, Maryland, United States
$113k-$128k/yr RemoteFull Time
eSimplicity
eSimplicity: Provides digital and data services to federal government agencies.
8+ YOEPublic trust clearance required; 8+ years data engineering/software development; 4+ years in Python/Java/cloud data pipelines; BS in CS/IS/Engineering or 10 years IT alternative; strong data architecture and governance skills; English proficiency.
Spark, Hadoop, MySQL, PostgreSQL, Apache Airflow, AWS Redshift, RDS, EMR, EC2, Spark-Streaming, Storm, Scala, Java, Python, GitHub, Jira, Confluence
3mo
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Principal Software Engineering Architect, Information Security
Reston or Chicago or Greenwood Village or Boca Raton or New York or White Plains
$169k-$281k/yr HybridFull Time
TransUnion
TransUnionNYSE: TRU: Provides global consumer credit reporting and risk information services.
10+ YOE10+ years in software development, architecture, and DevOps; cloud-native and hybrid security solutions; IaC tools; strong Python/Go/Java/C#/C++; security SDLC; analytics and telemetry.
AWS, Azure, GCP, Terraform, CloudFormation, Harness, Python, Go, Java, C++, C#, Power BI, ElasticSearch, Snowflake, Kafka, AirFlow
2mo
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Sr. Web Application Developer #1703183
Chantilly, Virginia, United States
$121k-$135k/yr OnsiteFull Time
Network Designs, Inc.
Network Designs, Inc.: Provides IT, network, and cybersecurity solutions to government agencies.
8+ YOEDesign, develop, test web apps; US citizenship; active TS clearance with SCI access and CI polygraph; onsite Chantilly, VA; 8+ years web development; BS in CS/Software Engineering; SAFe and agile experience; 508 compliance; modern frontend and backend tech; cloud and DevSecOps.
Angular, React, .NET C#, Python, Node.js, JavaScript, TypeScript, HTML5, CSS3, Bootstrap, MySQL, PostgreSQL, Microsoft SQL, Elasticsearch, RabbitMQ, Redis, Docker, Kubernetes, AWS GovCloud, SC2S, C2S, DevSecOps
2mo
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AWS Connect Developer - Junior
Washington, District of Columbia, United States
HybridFull Time
Blue Rose Consulting Group
Blue Rose Consulting Group: Provides IT and human capital consulting for government agencies.
2+ YOEJunior AWS Connect Developer with 2 years Python and AWS experience; US Citizenship; Public Trust; hybrid in DC; Terraform preferred.
Python, AWS, Lambda, S3, DynamoDB, Git, GitLab, Terraform
3mo
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Frontend Lead Engineer
Richmond or Arlington
OnsiteFull Time
Koalafi
Koalafi: Provides lease-to-own and loan financing for non-prime consumers.
6+ YOE6+ years of front-end experience with modern web technologies (React, Vue, Angular); four-year CS/engineering degree; experience with REST APIs, AWS, and testing; in-person location requirement to Richmond, VA or Arlington, VA.
React, Vue, Angular, Golang, Java, Node, Python, Cypress, Playwright, AWS, Kubernetes, Postgres

HiringCafe market data

Python Software Engineer Jobs market signals in Ashburn, VA, US

These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.

Open jobs
2,200+
Hiring companies
480+
Fresh sample
42% new in 30d
Salary visibility
56% show pay

Companies appearing in this market

Index AnalyticsSpatial FrontE-INFOSOLCarnegie Mellon UniversityDef-LogixJ5 ConsultingM9 SolutionsMillennial Software

Work location mix in visible results

Onsite: 29Hybrid: 16Remote: 10