Junior Python Developer Jobs in United States

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Junior Software Engineer (Python)

Columbia, Maryland, United States

$115k-$160k/yr OnsiteFull Time

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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Senior Python Engineer

San Francisco or Canada

$126k-$248k/yr HybridFull Time

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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Python Developer- Dallas, TX

Dallas, Texas, United States

$36k-$126k/yr OnsiteAll Commitments Available

Photon: N/A

Proficient Python developer with backend focus, REST APIs, databases, testing, and cloud/containers experience.

Python, Django, Flask, FastAPI, SQLAlchemy, PostgreSQL, MySQL, MongoDB, Redis, PyTest, Unittest, HTML5, CSS3, JavaScript, Git, GitHub, Bitbucket, Docker, Kubernetes, Celery, RabbitMQ, Pandas, NumPy, Scikit-learn

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Junior AI Developer

United States

RemotePart Time

Future Technologies: Provides technical engineering and mission support for defense systems.

Part-time junior AI developer with Python/C++. Knowledge of AWS ML services and basic ML concepts; eager to learn low-level AI optimization.

Python, C/C++, AWS, SageMaker, EC2, EKS, Lambda, Bedrock, S3, CUDA, AWS Neuron, CloudWatch, X-Ray, PyTorch, TensorFlow, JAX

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Junior Developer

Rosslyn, Virginia, United States

OnsiteFull Time

ActioNet: Provides IT modernization and cybersecurity services for government agencies.

0+ YOEEntry-level software developer with 0–3 years of experience; strong foundation in programming; basics of Python, Java, or C#; familiar with Agile/Scrum; good communication and documentation skills; willingness to learn; Azure Dev/Cert preferred.

Python, Java, C#, Agile, Scrum, Azure, Microsoft Certified: Azure Developer Associate

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Junior Application Developer

Lexington, Michigan, United States

OnsiteContract

Huron: Manufacturer of complex tubular assemblies and precision machined components.

0+ YOEEntry-level software developer with SQL, Python, JavaScript; on-site in Lexington, MI; contract role.

Python, SQL, JavaScript, HTML/CSS, Git, Flask, Django, Node.js

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Junior Engineer, Products (Python)

Princeton, New Jersey, United States

OnsiteFull Time

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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Junior Software Engineer – Treasury Tech

New York, New York, United States

OnsiteFull Time

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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Junior AI Developer

Memphis, Tennessee, United States

OnsiteFull Time

Crew Training International: Provides specialized aviation and military crew training services.

2+ YOE0–2 years in software development or data engineering; strong Python; experience with RAG, PostgreSQL/pgvector; LLM tooling; able to obtain Secret clearance.

Python, PostgreSQL, pgvector, Docker, Ollama, vLLM, SQL, Neo4j

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2mo

Junior CNO Developer (Onsite)

Annapolis Junction, Maryland, United States

OnsiteFull Time

Nightwing: Provides cybersecurity and intelligence solutions for government agencies.

1+ YOEBachelor's degree or 4 years of related experience; 1 year programming in Assembly, C, C++, Java, Perl, or Python; 1+ year development in Windows/.NET or UNIX environments.

Python, C, C++, Java, Perl, Assembly, PowerShell, Bash, Visual Studio, .NET, Git, IDA Pro, Ghidra, OllyDbg

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Junior Software Developer

Burlingame, California, United States

$95k-$125k/yr OnsiteFull Time

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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Junior Quantitative Developer

New York or Chicago

$125k-$185k/yr OnsiteFull Time

Harbor Capital Advisors: Provides active asset management and fund administration services.

0+ YOEBachelor’s degree in a quantitative/technical field; 0–3 years software/quantitative experience; strong Python; SQL/PostgreSQL; production engineering; interest in financial markets.

Python, SQL, PostgreSQL, Git, CI/CD, Data pipelines, ETL

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Junior AI Engineer

New York, New York, United States

$100k-$120k/yr OnsiteFull Time

eClerxNational Stock Exchange of India: ECLERX: Provides business process management and data analytics services globally.

2+ YOE2+ years of production software development with strong Python skills; knowledge of RAG, GenAI, and AI workflow concepts.

Python, Java, TypeScript, LangChain, LangGraph, PyTorch, TensorFlow, JAX, FastAPI, REST APIs, JSON, SQL, FAISS

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Junior Cloud Developer

McLean, Virginia, United States

OnsiteFull Time

Prescient Edge: Provides intelligence, security, and defense support services.

Pursuing or completed degree in CS/IT with focus on cloud; US citizen; cloud platform knowledge (AWS/Azure/Google Cloud); programming in Python/JavaScript/Java; familiarity with Docker/Kubernetes; CI/CD and automation scripting.

Docker, Kubernetes, AWS, Azure, Google Cloud, Python, JavaScript, Java, SQL, NoSQL, MySQL, PostgreSQL, MongoDB, CI/CD, Infrastructure as Code, Serverless, VPC, Networking, Cloud Security

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Junior Software Developer

Santa Clara, California, United States

$101k-$124k/yr HybridFull Time

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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Junior Software Developer

Chantilly or McLean

OnsiteFull Time

Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.

1+ YOE1 year relevant experience; Bachelor's in CS/CE/EE; full-stack dev with Java/C/Python/JS-TS, React, REST, Docker/Kubernetes, AWS, Linux, GitLab CI/CD; TIG Stack; CompTIA Security+.

Java, Python, JavaScript, TypeScript, React, REST, Docker, Kubernetes, Helm, NoSQL, SQL, AWS, Linux, GitLab CI/CD, TIG Stack, Web Services

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Junior Data & Systems Developer

New York, New York, United States

$70k-$90k/yr OnsiteFull Time

Kohn Pedersen Fox Associates: Global architecture firm providing design and urban planning services.

0+ YOEEntry-level data and systems developer; Python, SQL, REST APIs; Flask/FastAPI; AWS basics; Docker; Git; 0-4 years.

Python, SQL, REST APIs, Flask, FastAPI, AWS, Docker, Git

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Software Engineer, Junior

McLean or Alexandria

$55k-$126k/yr OnsiteFull Time

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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Junior Software Engineer

Florham Park, New Jersey, United States

$67k-$133k/yr OnsiteFull Time

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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Junior Software Engineer

Chicago, Illinois, United States

$80k-$130k/yr OnsiteFull Time

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 Software Engineer

Clearfield, Utah, United States

RemoteFull Time

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

Fort Belvoir, Virginia, United States

OnsiteFull Time

Trideum: Provides engineering and technical services for defense and government sectors.

Bachelor's in CS/Engineering or related field; US citizenship and ability to obtain/maintain a secret clearance; Java, C++, or Python; knowledge of SDLC; strong problem-solving and teamwork; up to 25% travel.

Java, C++, Python

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Junior Software Engineer

Houston, Texas, United States

OnsiteFull Time

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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Junior Software Developer, Hypervelocity/C++

Dahlgren, Virginia, United States

$90k-$110k/yr OnsiteFull Time

AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.

2+ YOEBS in computer science or related field or equivalent experience; 2+ years experience; active SECRET clearance; Valid Real ID driver license; willingness to travel locally; experience in C++ (1+ years) with Python and Java; familiarity with development tools.

C++, Python, Java, Podman/Docker, JFrog, JUnit, Jenkins, Git, GitLab, JIRA, Bitbucket, Confluence

2mo

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2mo

Junior Software Engineer

Baltimore, Maryland, United States

OnsiteFull Time

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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2mo

AWS Connect Developer - Junior

Washington, District of Columbia, United States

HybridFull Time

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

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2mo

Junior Software Engineer – Scientific Computing (C++)

United States

$80k-$120k/yr RemoteFull Time

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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Junior Software Engineer - Intern

Fairfax, Virginia, United States

OnsiteInternship

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 Java Developer (Remote Opportunity)

Washington or Philadelphia

RemoteFull Time

VetsEZ: Digital transformation and healthcare IT services for government agencies.

0+ YOEEntry-level Java developer with a BS in CS/IT/Engineering; knowledge of Java or similar; basic full-stack concepts; strong problem-solving and communication; ability to work in Agile team.

Java, C#, Python, JavaScript, PHP, React, Angular, Node.js

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1mo

Junior Quantitative Latency Engineer

Chicago or Austin or London or New York City or Singapore

$200k-$300k/yr HybridFull Time

Hudson River Trading: A quantitative firm using technology to trade global financial markets.

0+ YOEProficiency in Python and Pandas; strong data analytics; technical degree or equivalent; quick learner; cross-functional collaboration.

Python, Pandas, Data Analysis Tools

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Junior AI Engineer - Co-op

Miami, Florida, United States

OnsiteAll Commitments Available

Rialto Capital: Invests in and manages commercial real estate and loans.

0+ YOEPursuing or recent graduate; internship 6 months preferred; Python/TypeScript; REST/JSON APIs; SQL; cloud and containers; AI tools experience a plus.

Python, TypeScript, FastAPI, Express, REST, JSON-RPC, React, Azure, Docker, Git, Snowflake, Neo4j, Claude, ChatGPT, Codex

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Junior Software Engineer (Backend + AI)

Needham, Massachusetts, United States

$90k-$110k/yr HybridFull Time

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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Junior Software Engineer

Tampa, Florida, United States

$70k-$110k/yr OnsiteFull Time

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 Engineer

Annapolis Junction, Maryland, United States

$95k-$105k/yr OnsiteFull Time

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#

2mo

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2mo

Junior QA Engineer

United States

RemoteFull Time

Teak: Provides refund protection and checkout flexibility for live events.

0+ YOEEntry-level QA role requiring basic testing knowledge, strong documentation, and willingness to learn.

Playwright, Python, Typescript, JIRA, TestRail

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Junior AI Solutions Engineer

Spokane, Washington, United States

$33-$50/hr HybridFull Time

InlandRCM: Revenue cycle management and billing for rural healthcare providers.

2+ YOEDesign, develop, deploy GenAI-powered tools; collaborate on AI integration and workflow automation with AI Solutions Engineer.

REST API, OpenAI GPT-4, Anthropic Claude, Google Gemini, CI/CD, GitHub Actions, Jenkins, Azure DevOps, GitLab CI, Python, JavaScript, Excel, Workday

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Junior AI Solutions Engineer

Spokane, Washington, United States

$33-$50/hr HybridFull Time

Inland Imaging: Provides specialized diagnostic radiology and medical imaging services.

2+ YOEBachelor's in Software Engineering, AI, Data Science or related; 2+ years in software or AI development; experience with generative AI models and AI APIs; Python; CI/CD basics; travel ~10%.

Python, REST APIs, CI/CD, GitHub Actions, Jenkins, Azure DevOps, OpenAI, Anthropic Claude, Google Gemini, CI/CD pipelines, PACS, EMR/EHR integration

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Junior Software Engineer

New York, New York, United States

$90k-$170k/yr OnsiteFull Time

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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Junior Software Engineer

Ashburn, Virginia, United States

OnsiteFull Time

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