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Junior Python Developer Jobs in Somerville, MA (NOW HIRING)

LangChain

Python OSS Engineer

Cambridge, MA · On-site

The Python OSS Engineer will be responsible for maintaining and improving the LangChain Python package, enhancing core abstractions, improving documentation, and addressing user inquiries.

LangChain

Python OSS Engineer

Boston, MA · On-site

LangChain is a company focused on making intelligent agents ubiquitous by providing a foundation for agent engineering. They are seeking a core maintainer for the LangChain Python package ...

Chewy

Software Engineer II - Python

Boston, MA

$120K - $190K/yr

Leverage AI developer tools and LLM-assisted workflows to accelerate development, testing, and ... Write clean, maintainable Python code and contribute to CI/CD pipelines, automated testing, and ...

Chewy

Software Engineer II - Python

Boston, MA · On-site

$120K - $190K/yr

Leverage AI developer tools and LLM-assisted workflows to accelerate development, testing, and ... Write clean, maintainable Python code and contribute to CI/CD pipelines, automated testing, and ...

Flipkey

Jr. PHP Developer

Boston, MA · On-site

FlipKey is hiring a Web Developer to support our growing engineering team and site. FlipKey is the ... A strong eye for design and/or graphic design capability, CakePHP experience, Python experience.

Flipkey

Jr. PHP Developer

Boston, MA

FlipKey is hiring a Web Developer to support our growing engineering team and site. FlipKey is the ... A strong eye for design and/or graphic design capability, CakePHP experience, Python experience.

Onto

Junior AI Engineer

Wilmington, MA

Job Summary & Responsibilities Junior AI Engineer Team: You'll partner closely with our AI Lead ... Python proficiency (data wrangling, APIs, packaging); comfort on Linux and with Git. Built at least ...

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All JobsJunior Python Developer JobsJunior Python Developer Jobs in Somerville, MA

Junior Python Developer information

See Somerville, MA salary details

$26.2K

$97.1K

$150.1K

How much do junior python developer jobs pay per year?

As of Jun 18, 2026, the average yearly pay for junior python developer in Somerville, MA is $97,098.00, according to ZipRecruiter salary data. Most workers in this role earn between $73,100.00 and $94,900.00 per year, depending on experience, location, and employer.

What is a Junior Python Developer job?

A Junior Python Developer is an entry-level software developer who specializes in writing, testing, and maintaining code using the Python programming language. They typically work under the guidance of senior developers and assist in building applications, fixing bugs, and improving performance. Their responsibilities may include writing scripts, working with databases, and integrating third-party services. Strong problem-solving skills, knowledge of Python frameworks like Django or Flask, and familiarity with version control systems like Git are often required. Junior developers are expected to learn quickly and contribute to the development team while gaining hands-on experience.

What are the key skills and qualifications needed to thrive in the Junior Python Developer position, and why are they important?

To thrive as a Junior Python Developer, you need a solid foundation in Python programming, an understanding of computer science fundamentals, and often a relevant degree or coursework. Familiarity with version control systems like Git, basic experience with web frameworks such as Flask or Django, and knowledge of databases are commonly expected, while certifications like PCEP can be advantageous. Attention to detail, a willingness to learn, effective problem-solving, and strong communication skills are essential soft skills for this role. These competencies ensure you can contribute efficiently to software development projects, adapt to new challenges, and collaborate well within a development team.

What are the typical daily responsibilities of a Junior Python Developer?

As a Junior Python Developer, your daily tasks may include writing and testing code, fixing bugs, and participating in code reviews alongside more experienced developers. You'll often work on modules or features under the guidance of senior team members, attend stand-up meetings, and update project documentation as needed. Collaboration with frontend developers, QA testers, and project managers is common, especially when integrating systems or implementing new features. Over time, you can expect to take on more complex tasks and gradually build your expertise through mentorship and hands-on project work.

What are the most commonly searched types of Python Developer jobs in Somerville, MA? The most popular types of Python Developer jobs in Somerville, MA are:
What are popular job titles related to Junior Python Developer jobs in Somerville, MA? For Junior Python Developer jobs in Somerville, MA, the most frequently searched job titles are:
What job categories do people searching Junior Python Developer jobs in Somerville, MA look for? The top searched job categories for Junior Python Developer jobs in Somerville, MA are:
What cities near Somerville, MA are hiring for Junior Python Developer jobs? Cities near Somerville, MA with the most Junior Python Developer job openings:
Junior Python Developer jobs near you
Infographic showing various Junior Python Developer job openings in Somerville, MA as of June 2026, with employment types broken down into 79% Full Time, 5% Part Time, 5% Temporary, and 11% Contract. Highlights an 95% In-person, and 5% Remote job distribution, with an average salary of $97,098 per year, or $46.7 per hour.

Python OSS Engineer

LangChain

Cambridge, MA • On-site

Full-time

Posted 10 hours ago

Job description

Job Summary:
LangChain is a company focused on making intelligent agents ubiquitous by providing a platform for building and operating AI agents. The Python OSS Engineer will be responsible for maintaining and improving the LangChain Python package, enhancing core abstractions, improving documentation, and addressing user inquiries.
Responsibilities:
• Improving the core abstractions and runtime of the langchain and langgraph packages
• Improving documentation
• Answering user questions and resolving issues
• Use langchain to build example applications
• Improve the core abstractions and runtime of the LangChain and LangGraph packages
• Improve documentation across the LangChain ecosystem
• Answer user questions and resolve issues from the community
• Use LangChain to build example applications that demonstrate how to build production AI systems
Qualifications:
Required:
• 5+ years of software engineering or applied machine learning experience
• Strong written and oral communication skills, with the ability to explain technical concepts clearly and concisely to both technical and non-technical stakeholders
• The ability to thrive in a fast-moving environment and view unstructured environments as an opportunity to identify impactful work and define the future success of the company
• An ownership-minded approach to work, with the ability to manage your work efficiently and effectively without the need for close supervision
Company:
LangChain is a platform that provides open-source frameworks and tools for engineering and deploying language model agents. Founded in 2022, the company is headquartered in San Francisco, USA, with a team of 51-200 employees. The company is currently Growth Stage.

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