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1,647 senior python developer jobs at 450 companies in Colorado

2mo
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Python Developer 6254661
Charlotte or Cleveland or California or Colorado or District of Columbia or Illinois or Maryland or Massachusetts or Minnesota or New York or New Jersey or Washington
$24-$72/hr OnsiteFull Time, Contract
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
5+ YOE5+ years Python development, 3+ years Oracle SQL and banking/finance domain experience. Proficiency with React JS, Django/Flask, UNIX/shell scripting, relational databases (Sybase/Oracle), Git/Mercurial/SVN, and strong unit testing and debugging skills. Associate's degree required.
React JS, Python, JS, Django, Flask, UNIX, shell scripting, SQL, Oracle, Sybase, Oracle SQL, ORM libraries, Git, Mercurial, SVN
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2w
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Sr. Data Python Engineer - FreeWheel
Englewood or Reston
$136k-$204k/yr OnsiteFull Time
FreeWheel
FreeWheel: A global advertising technology providing platforms for premium video advertising transactions and measurement.
7+ YOE7+ years building Python data pipelines or distributed backend systems; requires AWS, CI/CD, Terraform, Kubernetes, SQL, distributed data systems, and architectural leadership.
Python, AWS, CI/CD, Terraform, Kubernetes, Snowflake, Spark, SQL, Snowpark, DataBricks
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5d
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GenAI Python Systems Engineer – Senior Associate
Chicago or Raleigh or Charlotte or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Richmond or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or Seattle or Albany or Stamford or Tampa or Atlanta or Toledo or Austin or Tulsa or Washington or Denver or Des Moines or Detroit or Buffalo or Florham Park or Fort Worth or Greensboro or Hartford or Houston or Indianapolis or Grand Rapids or Irvine or Jacksonville or Kansas City or Las Vegas or Little Rock or Los Angeles or Louisville or Birmingham or Fayetteville or Miami or Milwaukee or Minneapolis or Nashville or New Orleans or New York City or Oklahoma City or Philadelphia or Phoenix or Pittsburgh or Portland
$77k-$202k/yr OnsiteFull Time
PwC
PwC: Global professional services network providing audit, tax, and consulting services.
3+ YOEBachelor's degree and 3+ years of experience required. Preferred fields include data science, AI, computer science, information systems, or engineering. Python, machine learning, NLP, and cloud or data platform credentials preferred.
Python, AWS, Google Cloud, Microsoft Azure, Databricks, Snowflake, machine learning libraries, NLP
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1w
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Senior Software Engineer (Python), Mortgage
San Francisco or Denver or Nashville or Santiago or Alberta or British Columbia
$185k-$218k/yr OnsiteFull Time
Truework
Truework: Truework is a privately held platform automating income and employment verification for lenders, employers, and property managers.
5+ YOERequires 5+ years of software development experience, a bachelor's degree or equivalent, Python and JavaScript proficiency, RESTful API experience, strong communication and documentation skills, and end-to-end ownership.
Python, JavaScript, RESTful APIs
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6d
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Senior Engineer
Denver, Colorado, United States
$100k-$120k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesBSE: 532540: Global leader in IT services, consulting, and business solutions.
8+ YOEBachelor’s degree required; 8–10 years of experience in AI development, prompt engineering, Python, agent frameworks, and REST API access.
Python, LangChain, Microsoft, REST API
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3w
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Senior Software Engineer (Senior Product Engineer)
San Francisco or New York City or Colorado or California or Washington or Vancouver or Amsterdam or London or Paris or Singapore or Tokyo
$183k-$276k/yr HybridFull Time
Amplitude
AmplitudeNasdaq: AMPL: Public American software providing AI analytics tools that help businesses build better digital products and experiences.
5+ YOE5+ years of software engineering experience, strong full-stack expertise with React, Node.js and/or Python, senior-level initiative, system design judgment, and a bachelor's degree in computer science or equivalent technical field.
React, Node.js, Python, AI tools
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5d
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Senior Full Stack Software Engineer - Python & JavaScript
Denver or San Francisco
$163k-$244k/yr HybridFull Time
FareHarbor
FareHarbor: Private reservation-software serving tour, activity, rental, and attraction operators.
4+ YOERequires 4+ years working with large-scale production codebases, proficiency in JavaScript and Python, framework experience, scalability expertise, relational database knowledge, and U.S. work authorization.
JavaScript, Python, Django, AngularJS, Vue
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1mo
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Senior Application Developer
Denver or Springfield or Sterling or St. Louis
$75k-$158k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
8+ YOEBachelor's in CS or related,8+ years software development experience,expert Java and/or Python,REST APIs,databases,CI/CD,GIT,TS/SCI clearance and polygraph willingness.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Kubernetes, AWS/C2S, Git, CI/CD
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2w
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Python Software Engineer Level 3 or 4 (AHT)
Aurora, Colorado, United States
$114k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Global aerospace and defense technology.
5+ YOEBachelor’s degree in science with 5+ years of software development experience for Level 3 or 8+ years for Level 4, or equivalent experience; active Top Secret clearance and SCI eligibility; Python, Linux, Docker, GitLab, Agile, CI/CD, Jira, and Confluence experience.
Python, Docker, Docker Swarm, GitLab, Jira, Confluence, Linux, CI/CD, Agile, PostgreSQL, Rust, C++, SQL
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2mo
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Senior Software Engineer
New York City or Colorado or California or United States
$165k-$190k/yr RemoteFull Time
Spark Advisors
Spark Advisors: Medicare brokerage and technology platform helping independent insurance brokers and agencies serve Medicare beneficiaries.
5+ YOE5+ years professional experience with modern JavaScript (Vue or React) and Python/backend development; strong product intuition, communication, and experience with AI-powered developer tools; cloud and Django experience preferred.
Vue, React, Python, Django, AWS, CRM
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2mo
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Senior CNO Developer
Hanover or Aurora
$142k-$236k/yr OnsiteFull Time
ManTech International
ManTech International: Advancing the future of defense through innovative technology.
6+ YOETS/SCI w/Poly required. BS+8yrs or MS+6yrs (or HS+12yrs). Experience developing CNO capabilities, Python and C/C++ programming, low-level system internals, TCP/IP and socket programming; troubleshooting and debugging.
Python, C/C++, Assembly, TCP/IP, JIRA, Confluence, Crucible
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3w
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Software Engineer, Senior
Aurora, Colorado, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
8+ YOERequires 8+ years of software development, technical leadership, architecture for distributed systems, Agile, Git, databases, Python, AWS, Kubernetes, bachelor's degree, and TS/SCI clearance.
Git, SQL Server, PostgreSQL, MySQL, Python, AWS, Kubernetes, Docker, Podman, CI/CD
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3w
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Software Engineer, Senior
Aurora or Dayton or Chantilly or El Segundo or Colorado Springs
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
8+ YOERequires 8+ years of software development, technical leadership, distributed systems architecture, Agile, Git, SQL, Python, AWS, Kubernetes, bachelor's degree, and TS/SCI clearance.
Microsoft Internet Explorer, Google Chrome, Mozilla Firefox, Microsoft Edge, Apple Safari, Opera Browser, Blackberry Browser, Git, SQL Server, PostgreSQL, MySQL, Python, AWS, Kubernetes, Docker, Podman, DCO-S
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3w
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Senior Software Engineer
Boulder or Durham or Texas or Durham
OnsiteFull Time
KBI Biopharma
KBI Biopharma: A private biopharmaceutical CDMO serving pharmaceutical and biotechnology companies with biologics development and manufacturing.
5+ YOEMaster’s degree or equivalent experience; 5+ years developing software; proficiency in at least two modern languages, preferably Python and JavaScript/TypeScript; cloud, data, and software architecture expertise.
Python, JavaScript, TypeScript, Node.js, React, Next.js, Flask, Django, Streamlit, Amazon Redshift, Amazon Redshift Spectrum, Amazon RDS, Pandas, NumPy, Airbyte, dbt, pytest, Playwright, GitHub Actions, Apache Airflow, AWS Glue, REST, FastAPI, Scrum
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4d
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Senior Software Engineer
Boulder, Colorado, United States
$174k-$252k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOG, GOOGL: Global technology specializing in internet-related services and products.
5+ YOEBachelor's degree or equivalent experience; 5 years of object-oriented programming with Java, C++, or Python; 3 years developing software products; and 1 year in software design and architecture.
Java, C++, Python
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1w
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Senior Software Engineer
Menlo Park or New York City or Bellevue or Washington or Denver or Westlake or Chicago or Lake Mary or Clearwater or Gainesville
HybridFull Time
Robinhood
RobinhoodNASDAQ: HOOD: Provides brokerage, crypto, advisory, and banking services.
5+ YOERequires 5+ years of software engineering experience, strong Python or Go coding skills, distributed systems expertise, and experience with load testing, fault injection, chaos engineering, or developer infrastructure.
Python, Go, Kubernetes, CI/CD
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3w
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Senior Software Engineer/Full Stack Developer
Denver or Naperville
HybridFull Time
PTMA Financial Solutions
PTMA Financial Solutions: Private financial services firm providing treasury management and investment advisory solutions to public entities and financial institutions.
7+ YOEBachelor's degree or equivalent professional experience, 7+ years of experience, and expertise in Java, node.js, SQL, Python, web technologies, relational databases, and collaborative software development.
Java, node.js, SQL, Python, HTTP, JSON, Web Sockets, ClaudeCode, CoPilot for git, Unix, Microsoft SQL Server, PostgreSQL, Azure SQL, Oracle, DevOps
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Senior Software Engineer
Denver or United States
RemoteFull Time
DomainTools
DomainTools: DNS threat-intelligence helping enterprises, governments, and security platforms detect and investigate online threats.
5+ YOE5+ years professional development (Python, GoLang, Rust), 3+ years cloud (AWS,Docker,Kubernetes), web-scale data engineering, Kafka, Linux/Unix; strong communication and cross-team coordination.
Python, GoLang, Rust, AWS, Docker, Kubernetes, OpenSearch, Postgres, CockroachDB, Spark, Kafka, Linux/Unix, ElasticSearch, NATS, Apache Airflow, Bash, Scala, C, Hive, CICD
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Senior Software Engineer
Colorado Springs or Beavercreek Township
$116k-$174k/yr OnsiteFull Time
KBR
KBRNYSE: KBR: Provider of science, technology, and engineering solutions.
5+ YOEActive U.S. Top Secret/SCI clearance,5+ years software development,4+ years Java or Python,experience with distributed/high-throughput systems,BS in a technical field,mentoring and architecture experience.
Java, Python, MIL-STD-6016, MIL-STD-3011, TDD, CI/CD
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2mo
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Senior Software Engineer
Colorado Springs, Colorado, United States
HybridFull Time
SAIC
SAICNASDAQ: SAIC: Premier technology integrator for defense, space, and civilian markets.
5+ YOEBachelor's degree, 5+ years relevant experience, active Secret clearance, experience with C/C++, Java, Python, FORTRAN, and Agile development; real-time embedded/radar experience and agile leadership are desired.
C/C++, Java, Python, FORTRAN, PARCS, UEWR, Agile
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