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Junior Python Backend Developer Jobs (NOW HIRING)

AIAEC LLC

Senior Python Backend Engineer

Phoenix, AZ · On-site

Infrastructure & DevOps: Own the lifecycle of your services--from containerization with Docker to ... Technical Leadership: Mentor junior developers, conduct rigorous code reviews, and drive ...

AHU Technologies, Inc.

Python Backend Engineer

This role may evolve into a backend or general engineering lead as we scale. Requirements * 10+ years building and shipping web applications in Python, Go, or Rust * Experience generally across the ...

3Pillar

Senior Python Backend Engineer

Charleston, WV · Remote

$85 - $95/hr

Your role extends beyond writing code; you will architect scalable backend services for the BX platform and guide a team of engineers in delivering cloud-native, Python-based systems built for the ...

Leidos

Junior Python Developer

Chantilly, VA · On-site

$69K - $125K/yr

Junior Python Developer Who We Are: Kudu Dynamics is Leidos Owned Company, forged out of a decade ... Develop and maintain Python-based backend services and tooling * Support troubleshooting and bug ...

Leidos

Junior Python Developer

Columbia, MD

$69K - $125K/yr

Junior Python Developer Who We Are: Kudu Dynamics is Leidos Owned Company, forged out of a decade ... Develop and maintain Python-based backend services and tooling * Support troubleshooting and bug ...

Leidos

Junior Python Developer

Chantilly, VA

$69K - $125K/yr

Junior Python Developer Who We Are: Kudu Dynamics is Leidos Owned Company, forged out of a decade ... Develop and maintain Python-based backend services and tooling * Support troubleshooting and bug ...

ACI Infotech

Python Developer

$51.50 - $71/hr

100% Remote This is a Python Backend Developer Role. ( With Hands on Experience on Coding) NO _ OPT Candidates and also 8+ Years resumes along. Responsibilities * Application Solution Design - You ...

K-Tek Resourcing LLC

Python Developer

San Jose, CA · On-site

$59 - $81.25/hr

Python Backend Engineer Job Location/Client Location (with City & State): San Jose, CA, USA Mandatory Skills Language: Expert-level proficiency in Python (3.10+ preferred). Frameworks: Deep ...

Chenega Corporation

Jr. Backend Developer

Vienna, VA

Summary Jr. Backend Developer Vienna, VA Are you ready to enhance your skills and build your career ... Python * JavaScript / Node.js * Java (for enterprise integrations and services) * Experience ...

Chenega MIOS

Jr. Backend Developer

Vienna, VA · On-site

Req ID: 40540 Summary Jr. Backend Developer Vienna, VA Are you ready to enhance your skills and ... Python * JavaScript / Node.js * Java (for enterprise integrations and services) * Experience ...

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How much do junior python backend developer jobs pay per year?

As of Jul 9, 2026, the average yearly pay for junior python backend developer in the United States is $148,233.00, according to ZipRecruiter salary data. Most workers in this role earn between $145,500.00 and $167,500.00 per year, depending on experience, location, and employer.

What does a Junior Python Backend Developer do?

A Junior Python Backend Developer is responsible for writing server-side logic using the Python programming language. They work on building, maintaining, and optimizing the backend of web applications, often collaborating with frontend developers and other team members. Their daily tasks may include developing APIs, managing databases, debugging code, and ensuring the application runs smoothly and efficiently. As junior developers, they are also expected to learn best practices, follow coding standards, and continuously improve their skills.

What are the key skills and qualifications needed to thrive as a Junior Python Backend Developer, and why are they important?

To thrive as a Junior Python Backend Developer, you need proficiency in Python programming, understanding of backend frameworks like Django or Flask, and a solid grasp of databases and RESTful API design, typically supported by a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, cloud platforms, and containerization tools such as Docker is often expected. Strong problem-solving skills, eagerness to learn, and effective teamwork make someone stand out in this role. These skills and qualities are crucial for building reliable backend systems, collaborating with teams, and adapting to evolving technical requirements.

What types of projects and tasks can a Junior Python Backend Developer expect to work on during their first year?

As a Junior Python Backend Developer, you can expect to work on tasks such as building and maintaining RESTful APIs, writing automated tests, fixing bugs, and contributing to database design. You'll likely start with smaller components or features, collaborating closely with senior developers and front-end teams to ensure smooth data flow and application performance. Over time, you'll gain exposure to code reviews, deployment processes, and may gradually take on more complex assignments as you build your expertise and confidence.
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Senior Python Backend Engineer

AIAEC LLC

Phoenix, AZ • On-site

Full-time

Posted 12 days ago

Job description

Description:

Why AIAEC?

You’ll be at the forefront of the "AI in AEC" revolution. We are a small, agile team where your architectural decisions directly impact how the built world is designed and constructed. If you enjoy solving "real-world" problems where code meets concrete, this is your spot.


As a Senior Python Backend Engineer at AIAEC, you will be a key architect and builder of ChatAEC and our suite of AI-driven civil engineering tools. You won't just be writing APIs; you will be engineering the backbone that integrates complex engineering datasets with cutting-edge LLMs. You will bridge the gap between high-level AI research and production-grade software, ensuring our infrastructure is scalable, observable, and resilient.


Key Responsibilities:


? API Architecture: Design, develop, and maintain high-performance, asynchronous backend services using Python and FastAPI.

? AI Integration: Collaborate with ML engineers to deploy and scale AI models, specifically focusing on RAG (Retrieval-Augmented Generation) workflows.

? Infrastructure & DevOps: Own the lifecycle of your services—from containerization with Docker to orchestration and deployment within Azure.

? Observability: Implement robust monitoring and distributed tracing using OpenTelemetry to ensure high availability and deep system insights.

? Database Integration: Review and optimize queries in PostgreSQL to handle complex spatial and relational data.

? Technical Leadership: Mentor junior developers, conduct rigorous code reviews, and drive engineering best practices (CI/CD, TDD, and Documentation).


Tech Stack: Python (FastAPI), Docker, Azure (preferred), OpenTelemetry, PostgreSQL

Requirements:

Technical Requirements:


  • Python Expertise: 5+ years of professional experience with Python, with a deep understanding of asyncio and performance profiling.
  • Frameworks: Mastery of FastAPI (including Pydantic, Dependency Injection, and Middleware).
  • Containerization: Solid experience with Docker.
  • Cloud & DevOps: Solid experience managing cloud infrastructure. While our stack is Azure-centric, strong experience with AWS or GCP is highly transferable and welcomed.
  • Observability: Practical experience with OpenTelemetry, Prometheus, or similar tools for tracking system health and performance.
  • Modern Tooling: Familiarity with Git-based workflows, CI/CD pipelines (Azure DevOps or
  • GitHub Actions), and automated testing suites.

Nice to Haves:

  • Experience with OpenAI API, LangChain, or LlamaIndex.
  • Background or interest in Civil Engineering, BIM (Building Information Modeling), or CAD software integration.
  • Experience with Vector Databases (e.g., Pinecone, Weaviate, or pgvector).