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Junior Software Engineer Python Jobs in United States

1,200+ junior software engineer python jobs from 730+ companies hiring in United States.

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1,291 jobs- United States
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Junior Software Engineer (Python)
Columbia, Maryland, United States
$115k-$160k/yr OnsiteFull Time
Visionist
Visionist: Provides software engineering and data analytics for national security.
3+ YOEBachelor's degree in a technical field; 3 years software development; strong Python; production applications; AI concepts; Kafka; collaboration with analysts.
Python, PydanticAI, LangGraph, Apache Kafka, Elasticsearch
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1w
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Junior Software Engineer
Clearfield, Utah, United States
RemoteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
Bachelor's in CS/Software Engineering; experience with Java/Python/JS/TS; React frontend; APIs/backend concepts; Git; strong problem-solving and communication.
Java, Python, JavaScript, TypeScript, React, APIs, Git
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Junior Software Engineer – Treasury Tech
New York, New York, United States
OnsiteFull Time
ExodusPoint
ExodusPoint: Global multi-strategy hedge fund managing institutional investment portfolios.
Junior software engineer with Python experience; interest in optimization and backend development; pursuing or recently completed Master’s/PhD in CS, Math, or Physical Sciences; strong problem-solving and teamwork.
Python, Pandas
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3d
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Junior Software Engineer
Houston, Texas, United States
OnsiteFull Time
Five Star Holding
Five Star Holding: Manufactures integrated flexible packaging solutions and sustainable film products.
0+ YOEBachelor's in CS/Software Engineering or related field; basic Python or Java/C#/JavaScript; knowledge of data structures/algorithms; basic ML concepts; exposure to ML frameworks; experience with databases, SQL, and REST APIs.
Python, Java, CSharp, JavaScript, PyTorch, TensorFlow, SQL, REST APIs
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1w
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Junior Software Developer
Santa Clara, California, United States
$101k-$124k/yr HybridFull Time
Fortinet
FortinetNASDAQ: FTNT: Develops and sells cybersecurity software and network security appliances.
0+ YOEBachelor's degree in CS or Electrical Engineering; strong Python on Linux; AWS/Azure and Docker preferred; GenAI/LLM experience beneficial; excellent teamwork and communication.
Python, Linux, AWS, Azure, Docker, Web development, Relational databases, Vector databases, Software design, Multithreading programming, Version control, QA standards
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2mo
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Software Mission Assurance - Junior Software Engineer
Alabama, United States
OnsiteFull Time
Trideum
Trideum: Provides engineering, testing, and simulation services for defense missions.
1+ YOEDegree in CS or software engineering; 1+ year relevant experience; Python, C++, Java, Bash; US citizenship for Secret clearance.
Python, C++, Java, Bash/Shell Scripting
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Junior Software Engineer
Chicago, Illinois, United States
$80k-$130k/yr OnsiteFull Time
Geneva Trading
Geneva Trading: Global proprietary trading firm specializing in listed derivatives markets.
BS/MS in Computer Science/Engineering; strong OS and systems programming; proficient in C++ and Python; deep knowledge of Linux internals; collaborate with Traders and Quants.
C++, Python, Linux, Operating Systems, Kernel Bypass, CPU affinity, Memory management
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Junior Python Develper
Charleston, South Carolina, United States
$65k-$85k/yr HybridFull Time
Super-Sod
Super-Sod: Grows and sells premium turfgrass, sod, and soil products.
Bachelor’s degree or equivalent; expert Python; experience with lean/agile development and remote teams; strong communication; debugging and optimization; unit/integration testing; 18+; background check.
Python, Node.js, JavaScript, HTML, CSS
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2w
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Junior Software Engineer
New York, New York, United States
$90k-$170k/yr OnsiteFull Time
Rokt
Rokt: Provides AI-driven personalization for ecommerce transaction checkouts.
0+ YOEEntry-level software engineer role requiring foundational CS knowledge and willingness to learn across systems, data, and AI tools.
JavaScript, Python, AI tooling, Cloud platforms
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1w
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Software Engineer, Junior
McLean or Alexandria
$55k-$126k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
2+ YOE2+ years software development with React/Angular/Python; OO, REST/microservices; AI/ML concepts; ability to obtain Secret clearance; Bachelor's degree.
React, Angular, Python, REST APIs, Microservices, Kubernetes, Docker, Jenkins, SQL, NoSQL, MLflow, AWS
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2w
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Junior Software Engineer
Florham Park, New Jersey, United States
$67k-$133k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
0+ YOE0+ years experience in C/C++, Python; Linux basics; assembly familiarity; IP networking; BS in CS/CE; Top Secret clearance.
C, C++, Python, Linux, MIPS, x86, PowerPC, ARM, IP networking
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1w
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Junior Software Engineer
Tampa, Florida, United States
$70k-$110k/yr OnsiteFull Time
Bill360
Bill360: Automated accounts receivable and digital invoicing platform for B2B.
0+ YOEEntry to mid-level backend engineer with C#/.NET, APIs, AWS, and databases experience.
C#, .NET, AWS, DynamoDB, S3, API, SQL, NoSQL, Python, Node.js, Vue.js, Angular, CI/CD
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Junior Software Developer
Burlingame, California, United States
$95k-$125k/yr OnsiteFull Time
Xona Space Systems
Xona Space Systems: Operates low Earth orbit satellites for high-precision navigation services.
Proficiency in C/C++, Bash, Python; knowledge of SPI, I2C, UART; experience with hardware interaction and embedded testing preferred.
C/C++, Bash, Python, SPI, I2C, UART
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2mo
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Junior Software Engineer
Baltimore, Maryland, United States
OnsiteFull Time
Baltimore Orioles
Baltimore Orioles: Professional baseball team providing sports entertainment and events.
Bachelor’s degree in Computer Science or Information Systems; experience with Python, Java, C++, Ruby, or JavaScript; experience leading all SDLC phases; data integration experience; ability to gather requirements and work with users; available for non-traditional hours.
Python, Java, C++, Ruby, JavaScript, SQL, AWS S3, AWS Lambda, AWS SQS, Django, R
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2w
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Junior Software Engineer
Warrenton or State College or Fort Eisenhower or Centennial
OnsiteFull Time
Altamira Technologies
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
Bachelor’s in CS/CE/EE or related field; strong Java and JavaScript/Typescript experience; experience with Python, Angular, ELK, Redis, REST, Docker/Kubernetes; TS/JS stack experience preferred; Must have Top Secret clearance.
Java, JavaScript, TypeScript, Python, Angular, React, ElasticSearch, ELK stack, Redis, REST, Docker, Kubernetes, Helm, NoSQL, SQL, Xmidas
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Junior Software Developer
McLean, Virginia, United States
OnsiteFull Time
Prescient Edge
Prescient Edge: Provides intelligence, security, and defense support services.
BS in CS/CE or equivalent, US citizen, software development experience, able to lift 20-50 lbs, willing to travel up to 25%, ability to obtain/maintain Secret/Sensitive clearance.
Java, JavaScript, Python, SQL, OWL, CSS, C++, C#, Bootstrap, XML, HTML, WSD1L
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2w
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Junior Software Engineer
United States
$70k-$190k/yr OnsiteFull Time
Belay Technologies
Belay Technologies: Provides specialized technology and engineering services to the DoD.
3+ YOEEntry level software engineer with Python/JavaScript experience, TS/SCI with polygraph preferred, strong communication, Linux and Git basics
Python, JavaScript, Linux, Git
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2w
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Junior Software Engineer - Intern
Fairfax, Virginia, United States
OnsiteInternship
ECS
ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.
US Citizen; pursuing Bachelor's or Master’s in Computer Science or Engineering; programming in Python, C++, Java; Linux familiarity; strong teamwork, writing, and presentation skills; ability to learn quickly in a fast-paced environment; self-motivated.
Python, C++, Java, Linux
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Junior Software Engineer
Annapolis Junction, Maryland, United States
$95k-$105k/yr OnsiteFull Time
Crown Point Technologies
Crown Point Technologies: Provides data engineering and software development for government and commercial clients.
Bachelor’s degree or equivalent experience; basic programming knowledge; familiar with Git; strong problem-solving and communication skills.
Git, Java, Python, JavaScript, C#
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4d
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Junior Software Engineer
Bronx, New York, United States
$110k-$140k/yr HybridFull Time
Essen Health Care
Essen Health Care: Private multispecialty medical group providing integrated healthcare services.
2+ YOE2+ years software engineering; full-stack, Python/React; strong fundamentals; self-directed; healthcare experience a plus.
Python, FastAPI, React, TypeScript, MSSQL, Redis, Azure, Terraform
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Junior Software Engineer
Ashburn, Virginia, United States
OnsiteFull Time
Cardinal Technology Systems
Cardinal Technology Systems: Provides cybersecurity and IT solutions to government agencies.
3+ YOEBachelor’s degree required; 3+ years experience; CBP suitability eligibility; databases, web apps, and interfaces; strong communication.
Python, SQL, Java
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2mo
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Junior Software Engineer – Scientific Computing (C++)
United States
$80k-$120k/yr RemoteFull Time
Axle Informatics
Axle Informatics: Provides bioscience and IT solutions for biomedical research.
1+ YOE1–3 years software development; strong C++ skills; experience with LLM-based tools; Linux experience; Python scripting; collaborative, fast-moving environment.
C++, Linux, Python, LLM tools, GitHub Copilot, Claude, GPT-4, OpenAI, Cursor
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1w
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Junior Engineer, Products (Python)
Princeton, New Jersey, United States
OnsiteFull Time
NIKSUN
NIKSUN: Sells network security and performance monitoring hardware and software.
2+ YOE0-2 years Linux/UNIX admin; Python scripting; Docker; REST APIs; Docker; Windows Office365; container experience.
Python, Linux, Bash, Docker, REST, Office365, Ansible, Chef, Puppet, Terraform
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6d
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Junior Software Engineer (Backend + AI)
Needham, Massachusetts, United States
$90k-$110k/yr HybridFull Time
Newton Research
Newton Research: AI agents for marketing analytics and media planning workflows.
Strong Python skills, web API experience, Git proficiency, database experience, genuine AI/ML interest, and ability to debug AI-generated code.
Python, Django, Django REST Framework, PostgreSQL, Redis, OpenAI API, LangChain, LangGraph, sentence-transformers, vector databases, React, TypeScript, Vite, SCSS Modules, Docker, GitHub Actions, AWS, S3, ECR, MinIO, Sentry, RQ, pytest, Vitest, Playwright
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4d
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Software Engineer - Junior Level
Annapolis Junction, Maryland, United States
$98k-$123k/yr HybridFull Time
Boeing Intelligence & Analytics
Boeing Intelligence & AnalyticsNYSE: BA: Delivers intelligence, analytics, and cyber solutions for national security.
Bachelor's in CS or related field or 4 years software engineering exp; TS/SCI with Poly; Agile; Jira/Confluence; Git; Java/C++/Python; Postgres.
Git, Java, C++, Python, PostgreSQL, Jira, Confluence, Docker, Kubernetes, Nginx, HAProxy, Elastic Stack
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1mo
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Software Developer – Junior (Team 01)
Washington, District of Columbia, United States
$100k-$115k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
1+ YOEJunior software developer with 1+ year experience in backend/full-stack; TS/JS/Java/Go/Python/.NET; Agile; Git; TS/React; Top-Secret clearance with SCI eligibility; BS in CS/IS/Engineering or related field.
Java, JavaScript, Go, Python, Typescript, .NET, Java Spring, Node.js, Go Gin, AngularJS, React, NextJS, Hibernate, Struts, Git, Jira, Jenkins, Terraform, Nexus, Ansible, Ansible Tower, AWS, Azure, Linux, Windows Server
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Senior Python Engineer
San Francisco or Canada
$126k-$248k/yr HybridFull Time
MongoDB
MongoDBNASDAQ: MDB: Cloud-based document database platform for software application development.
Proven Python software development experience; experience with AI/ML frameworks in Python; open source contributions preferred; strong communication and mentoring skills.
Python, AI/ML frameworks, Web development frameworks, Open source tooling
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1w
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Cleared Junior Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Yellow Duck Technologies
Yellow Duck Technologies: Engineering mission-critical software and systems for the intelligence community.
3+ YOEActive TS/SCI clearance with Full Scope Polygraph; 3+ years of experience; bachelor's degree in a technical discipline; experience with Python, JavaScript, or Java; familiarity with databases and version control; strong communication.
Python, JavaScript, Java, Databases, Git
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4d
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Software Engineer - Junior Level
Annapolis Junction, Maryland, United States
$98k-$123k/yr HybridFull Time
Boeing Intelligence & Analytics
Boeing Intelligence & AnalyticsNYSE: BA: Provides intelligence analytics and cyber solutions for national security.
0+ YOEBachelor's in CS or related field or 4 years of software engineering experience; TS/SCI with poly; Agile, Jira/Confluence; experience with Java/C++/Python, Git, Postgres; AWS preferred.
Git, Java, C++, Python, PostgreSQL, Jira, Confluence, AWS, Docker, Kubernetes, HAProxy, Nginx, Elastic Stack
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Junior Software Engineer
St. Louis, Missouri, United States
OnsiteFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
0+ YOEActive TS/SCI clearance; 0-3 years software development; proficiency in Java, JavaScript, Python; experience with DevSecOps, Agile, CI/CD; AWS; Docker/Kubernetes; geospatial data processing; GIS tools; cross-functional collaboration.
Java, JavaScript, Python, Docker, Kubernetes, OpenShift, AWS, GitLab, Spark, Glue, ETL, PostGIS, GeoServer, ArcGIS, Parquet, JSON, XML, GitLab CI/CD
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5d
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Junior Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Bridge Core
Bridge Core: Provides technical services and cybersecurity solutions to government agencies.
3+ YOEBS degree with 3-5 years of experience; Java/Springboot/AWS; REST APIs; Linux; scripting; Git; CloudFormation; PKI is desirable.
Java, Spring, AWS, Git, CloudFormation, Docker, Kubernetes, PostgreSQL, MySQL, Linux, Python, Bash, XML, JSON, YAML
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1w
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Software Engineer, Junior
McLean or Alexandria
$55k-$126k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
2+ YOETwo+ years in software development with React/Angular/Python; OO, REST/microservices; AI systems knowledge; ability to obtain Secret clearance; Bachelor's degree.
React, Angular, Python, REST, Microservices, MLflow, Kubernetes, Docker, Jenkins, SQL, NoSQL, AWS
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4d
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Junior Software Developer (Austin, TX, US, 78737)
Austin, Texas, United States
OnsiteFull Time
Dover
DoverNYSE: DOV: Manufactures diversified industrial equipment and engineered components globally.
3+ YOEBachelor’s in a technical field; 3+ years in C++ Linux; strong scripting (bash, Python); TCP/UDP network experience; embedded system software experience; willingness to travel 2-3 times per year.
C++, Linux, bash, python, TCP, UDP
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2w
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Junior Software Engineer
Chicago, Illinois, United States
OnsiteFull Time
TransMarket Group
TransMarket Group: A global proprietary trading firm utilizing automated technology.
Bachelor’s degree in a quantitative or technical field; programming experience in C++ and Python; strong math/finance knowledge; onsite only; excellent communication.
C++, Python, Linux
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1w
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Software Developer - Python - FT - Days - DIO
Miramar, Florida, United States
OnsiteFull Time
Memorial Healthcare System
Memorial Healthcare System: Providing specialized medical services and comprehensive hospital care.
0+ YOEEntry level Python software developer; experience with Python and PowerShell; scripting, troubleshooting; healthcare or enterprise environment a plus; on-call possible; full software development life cycle involvement.
Python, PowerShell, SQL, AI tooling
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Junior Software Engineer
Summerville, South Carolina, United States
OnsiteFull Time
Standex International
Standex InternationalNYSE: SXI: Manufactures industrial components, electronics, and medical refrigeration equipment.
Bachelor's degree in Computer Science or related field; strong Kotlin/Java; Android development; TCP/IP and Modbus familiarity; REST APIs; Node.js/Python basics; Git proficiency; interest in industrial/IoT systems.
Kotlin, Java, Android Studio, Gradle, Jetpack Compose, Android Views, ViewModels, TCP/IP, Sockets, Modbus RTU, Modbus TCP, Node.js, Python, REST, Git
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Junior Software Developer
Cleveland, Ohio, United States
$71k-$89k/yr HybridFull Time
Rock & Roll Hall of Fame
Rock & Roll Hall of Fame: Museum and archive dedicated to rock and roll history.
2+ YOE2+ years in software development; Bachelor’s degree or equivalent experience; strong web/UX or frontend skills.
JavaScript, TypeScript, Python, SQL, AWS, Salesforce, Stripe, Shopify, React, Vue, Next.js, Astro, Electron, Flask, Strapi, GitHub, VS Code, Windows, Linux
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Junior Software Engineer-Embedded
Mayfield Heights, Ohio, United States
HybridFull Time
Rockwell Automation
Rockwell AutomationNYSE: ROK: Sells industrial automation hardware and digital manufacturing software solutions.
Bachelor's degree or equivalent experience; legal authorization to work in the U.S.; no visa sponsorship.
C++, Python, Linux, GDB, RTOS, Embedded Systems, CI/CD, Unit Testing
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4d
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Junior Software Developer
Fort Belvoir, Virginia, United States
OnsiteFull Time
Applied Research Associates
Applied Research Associates: Provides scientific research and engineering solutions for complex problems.
2+ YOEBS/MS in CS/Software Eng; 2+ years experience or MS; proficient in Java, Python, Golang; web tech HTML/CSS/JS and frameworks (Angular, Vue, React); Agile, Git, CI/CD; strong documentation.
Java, Python, Golang, HTML, CSS, JavaScript, Angular, Vue, React, Git, CI/CD, Docker, Kubernetes, PostgreSQL, MySQL, Redis, MongoDB
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Software Engineer
Plano, Texas, United States
OnsiteFull Time
Toyota
ToyotaNYSE: TM: Designs and manufactures vehicles and provides automotive financial services.
2+ YOEJunior software engineer with 0-2 years experience; backend/full-stack; TypeScript/Python; REST APIs; Git; AWS (conceptual); testing; strong communication and growth mindset.
TypeScript, Python, REST, Git, AWS
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HiringCafe market data

Junior Software Engineer Python Jobs market signals in United States

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
1,200+
Hiring companies
730+
Fresh sample
57% new in 30d
Salary visibility
62% show pay

Companies appearing in this market

Booz Allen HamiltonBoeing Intelligence & AnalyticsAmentumCACIFortinetKBRBelay TechnologiesECS

Work location mix in visible results

Onsite: 54Hybrid: 18Remote: 4

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