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Junior Python Flask Developer Jobs in Lowell, MA

Senior Data Engineer

Wellesley, MA · On-site

$92.70K - $222.48K/yr

Develop Python-based APIs (Flask/FastAPI) to enable seamless data access, model integration, and ... Knowledge of CI/CD and DevOps practices for data engineering * Experience with other cloud services ...

Senior Software Engineer

Waltham, MA · On-site

$146.61K - $198.35K/yr

... Python/Django/Flask, etc), building APIs services and scaling systems * UX & Prototyping ... Figma) * DevOps & Cloud: Experience with cloud platforms (e.g., AWS, GCP, Azure) and CI/CD ...

Lead AI Engineer

Boston, MA

$111.40K - $146.70K/yr

Lead AI Engineer (Python / React / Agentic AI) Boston, MA 3 days/week onsite F2F interview required ... Develop backend services in Python (FastAPI/Flask preferred) supporting REST/GraphQL endpoints and ...

Python skills for instrumenting tests and creating feature test page * Java knowledge for ... Apache/mod_wsgi, Flask, Postgres * Experience in a cross platform environment * iOS / Android ...

AI Dev Lead

Boston, MA

$64 - $84/hr

Python, FastAPI, Flask * LangChain, LlamaIndex, Transformers library * OpenAI API, Azure OpenAI ... Prompt engineering and AI safety practices Uses best practices and knowledge of AI/ML methodologies ...

Senior Software Engineer

Waltham, MA · On-site

$132.20K - $174.20K/yr

Mentor junior and mid-level engineers through design reviews, pair programming, and direct feedback ... TypeScript, JavaScript (Node.js), Python, Java * Frameworks: React, Spring Boot, Express, Flask

Senior Software Engineer

Waltham, MA · On-site

$146.61K - $198.35K/yr

... Python/Django/Flask, etc), building APIs services and scaling systems * UX & Prototyping ... Figma) * DevOps & Cloud: Experience with cloud platforms (e.g., AWS, GCP, Azure) and CI/CD ...

Senior Software Engineer

Boston, MA

$133.10K - $175.50K/yr

Django, Flask, Node.js, Angular). Able to code front to back with HTML, CSS, JavaScript, and Python (or other server-based programming languages). Strong experience working with relational database ...

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Junior Python Flask Developer information

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How much do junior python flask developer jobs pay per hour?

As of May 29, 2026, the average hourly pay for junior python flask developer in Lowell, MA is $58.14, according to ZipRecruiter salary data. Most workers in this role earn between $47.93 and $66.06 per hour, depending on experience, location, and employer.

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

To thrive as a Junior Python Flask Developer, you need a solid understanding of Python programming, web development concepts, and familiarity with the Flask framework, typically supported by a relevant degree or coursework. Experience with tools such as Git for version control, RESTful APIs, and basic front-end technologies (HTML, CSS, JavaScript) is also important. Strong problem-solving skills, eagerness to learn, and effective communication help you collaborate with team members and adapt to new challenges. These skills and qualities are crucial for building robust web applications, contributing effectively to projects, and growing in a fast-paced tech environment.

What are some common challenges faced by Junior Python Flask Developers when working on team-based projects?

As a Junior Python Flask Developer, one common challenge is adapting to established codebases and adhering to team coding standards. Collaborating with senior developers often means integrating your work with theirs, requiring clear communication and frequent code reviews. Additionally, balancing the need to learn new frameworks or tools while delivering features on tight deadlines can be demanding. However, support from experienced team members and regular feedback sessions help foster growth and ensure successful project contributions.

What does a Junior Python Flask Developer do?

A Junior Python Flask Developer assists in building web applications using the Flask framework and Python programming language. Their responsibilities typically include writing and maintaining code, debugging applications, working with databases, and collaborating with senior developers and designers. They are often involved in both the backend and parts of the frontend, helping to implement new features and ensure the application runs smoothly. This role is ideal for those who are early in their software development career and looking to gain hands-on experience in web development.

What is the difference between Junior Python Flask Developer vs Junior Django Developer?

AspectJunior Python Flask DeveloperJunior Django Developer
Required CredentialsPython knowledge, basic web development skills, possibly some certificationsPython knowledge, Django framework familiarity, certifications optional
Work EnvironmentStartups, small teams, flexible projectsWeb development companies, larger teams, structured projects
Industry UsageWeb apps, microservices, APIsFull-stack web applications, content management systems
Common Search IntentCompare entry-level Python web frameworksEntry-level Django web development roles

Both roles are entry-level Python web development positions, often requiring similar foundational skills. The main difference lies in the frameworks used: Flask is lightweight and flexible, suitable for microservices and APIs, while Django is more comprehensive, ideal for full-stack web applications. Your choice depends on the project type and your preferred development environment.

What are popular job titles related to Junior Python Flask Developer jobs in Lowell, MA? For Junior Python Flask Developer jobs in Lowell, MA, the most frequently searched job titles are:
What job categories do people searching Junior Python Flask Developer jobs in Lowell, MA look for? The top searched job categories for Junior Python Flask Developer jobs in Lowell, MA are:
What cities near Lowell, MA are hiring for Junior Python Flask Developer jobs? Cities near Lowell, MA with the most Junior Python Flask Developer job openings:
Infographic showing various Junior Python Flask Developer job openings in Lowell, MA as of May 2026, with employment types broken down into 1% Internship, 85% Full Time, 9% Part Time, and 5% Contract. Highlights an 15% Physical, 23% Hybrid, and 62% Remote job distribution, with an average salary of $120,928 per year, or $58.1 per hour.
Advisor - Agent Research

Advisor - Agent Research

Eli Lilly and Company

Boston, MA • On-site

Full-time

Posted 12 days ago


Eli Lilly and Company rating

8.8

Company rating: 8.8 out of 10

Based on 62 frontline employees who took The Breakroom Quiz

11th of 70 rated pharmaceutical


Job description

Job Summary:
Eli Lilly and Company is a global healthcare leader headquartered in Indianapolis, Indiana, dedicated to improving lives through innovative medicines. They are seeking a scientist-engineer hybrid to deploy AI-driven discovery platforms that bridge cutting-edge AI systems and drug discovery workflows.
Responsibilities:
• Partner with chemists and biologists to translate scientific workflows into agentic systems
• Deploy and integrate Agentic AI system into active research programs
• Design and implement cloud-native data pipelines connecting lab instruments, databases, and AI models
• Support model deployment, inference services, and experiment tracking (e.g., MLflow)
• Integrate LLM reasoning with domain tools (RDKit, molecular graph ML, ELN/LIMS APIs, instrument drivers) to build composite agents that plan, simulate, and execute DMTA tasks
• Prototype and iterate rapidly on agent planning strategies, memory systems, and human-in-the-loop patterns
• Represent Frontier AI in the broader AI@Lilly and external AI research community: publish, give talks, review papers, and scout emerging trends.
• Evaluate external vendors, open-source projects, and academic collaborations for strategic fit.
Qualifications:
Required:
• PhD (or MS + 2 yrs / BS + 4 yrs equivalent experience) in Bioinformatics, Cheminformatics, Computer Science, or related discipline with demonstrated wet-lab collaboration or experience.
• Approximately 1-2 years of demonstrated experience of applying AI/ML in scientific discipline such as biology, chemistry, neuroscience, or a related field (industry postdoc counts)
Preferred:
• Proficiency in Python and deep experience with ML/Deep Learning frameworks (e.g., PyTorch, Tensorflow, JAX, HuggingFace).
• Hands-on experience building agentic AI systems (e.g., LangChain, OpenAI Agents SDK)
• Experience designing and shipping end-to-end systems in cloud environments (backend APIs, lightweight frontends, and agentic platforms) - GitHub portfolio a plus
• Strong DevOps/engineering skills: version control (git), containerization (docker, kubernetes), GitOps + CI/CD practices, data systems (Redis, SQL/NoSQL), unit testing, frontend (streamlit, flask)
• Working knowledge of cloud-native (AWS/Azure) pipeline architectures including Nextflow, Argo on Kubernetes
• Familiarity with MLOps, including model versioning, data versioning, and continuous integration/continuous deployment for ML systems.
• Experience with LLM post-training, fine-tuning, or RLHF
• Demonstrable research experience, evidenced by contributions to projects, and ideally through publications in relevant ML/NLP venues (e.g., NeurIPS, ICML, ICLR, ACL, EMNLP).
• Experience mentoring and guiding junior researchers or engineers.
Company:
We're a medicine company turning science into healing to make life better for people around the world. Founded in 1876, the company is headquartered in Indianapolis, USA, with a team of 10001+ employees. The company is currently Late Stage.

What Eli Lilly and Company employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom


Eli Lilly logo

About Eli Lilly

Sourced by ZipRecruiter

Eli Lilly, based in Indianapolis, IN, US, is one of the pioneers in the pharmaceutical industry with a rich history dating back to 1876. This global pharmaceutical company focuses on discovering, developing, manufacturing and selling pharmaceutical products in approximately 120 countries. The company's product categories include endocrinology, oncology, cardiovascular, neuroscience, and immunology. Having invested over $9 billion in research and development in the past decade, Eli Lilly is also committed to creating high-quality medicines that meet real needs. As a recipient of several awards and recognitions, Eli Lilly is known for its focus on life-saving research and drug development. Their mission is to make medicines that help people live longer, healthier, and more active lives.

Industry

Pharmaceutical product wholesalers

Company size

10,000+ Employees

Headquarters location

Indianapolis, IN, US

Year founded

1876