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Junior Python Flask Developer Jobs in New York (NOW HIRING)

Afficiency

Generative AI Engineer

Manhattan, NY · On-site +1

Build RESTful APIs and microservices using Python Flask. * Integrate AI services into enterprise ... Follow DevOps, CI/CD, and Agile development practices. * Maintain documentation, technical ...

Commure

Senior Backend Engineer, Ambient AI

New York, NY · Remote

$170K - $230K/yr

Work with a stack that includes Python, Flask, Django, FastAPIs and other frameworks * Work ... Bachelor's or Master's degree in Computer Science, Engineering, or a related field, or equivalent ...

Lev

Senior Backend Engineer

New York, NY · On-site

Python, Flask, GraphQL, and Postgres on the backend and React.js on the Front-end. We also have ... Collaborate closely with product, design, marketing, and engineering teams on building features and ...

mthree

Python Developer

New York, NY · On-site

$55 - $75.75/hr

As an intermediate-level Python developer in data engineering, you'll design, build, and maintain ... Experience with data libraries(e.g., Django, Flask, NumPy, Pandas). * Familiarity with(e.g ...

mthree

Python Developer

New York, NY · On-site

$55 - $75.75/hr

As an intermediate-level Python developer in data engineering, you'll design, build, and maintain ... Experience with data libraries(e.g., Django, Flask, NumPy, Pandas). * Familiarity with(e.g ...

mthree Recruiting Portal

Python Developer

New York, NY · On-site

$55 - $75.75/hr

As an intermediate-level Python developer in data engineering, you'll design, build, and maintain ... Experience with data libraries(e.g., Django, Flask, NumPy, Pandas). * Familiarity with(e.g ...

mThree

Python Developer

New York, NY

$55 - $75.75/hr

As an intermediate-level Python developer in data engineering, you'll design, build, and maintain ... Experience with data libraries(e.g., Django, Flask, NumPy, Pandas). * Familiarity with(e.g ...

ACI Infotech

Python Developer

Jersey City, NJ · On-site

$55 - $75.75/hr

Help recruit, develop, and mentor junior developers. * Foster the client engineering team brand and ... in Python * Ability to thrive in a fast-paced startup. * Someone who loves to learn and is ...

ACI Infotech

Python Developer

Jersey City, NJ · On-site

$55 - $75.75/hr

Help recruit, develop, and mentor junior developers. * Foster the client engineering team brand and ... in Python * Ability to thrive in a fast-paced startup. * Someone who loves to learn and is ...

WP Talent

Founding Engineer

Manhattan, NY · On-site

$100K - $180K/yr

Shape the company culture Requirements: * 5+ years experience as a fullstack or backend developer ... Python, Flask, SqlAlchemy * NextJS, Javascript/Typescript, React, CSS, Tailwind Process: * 30 ...

Saransh Inc

Onshore Python Developer - Only W2

Warren, NJ · On-site

$52.25 - $72/hr

Onshore Python Developer Location: Warren, NJ (Onsite - 3 days a week to biweekly, subject for ... Experience with modern Python web frameworks such as Flask, FastAPI, or Django. * Experience ...

SmartIPlace

Full Stack Python Developer

New York, NY · On-site

$85 - $90/hr

Use Angular and Flask to build a responsive and interactive user interface. (Angular experience is ... programming languages (e.g., Python, Angular, Type Script, Java Script, .NET, SQL, etc.) and ...

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Junior Python Flask Developer information

Are Junior Python Flask Developers still in demand?

Junior Python Flask Developers are still in demand as many companies seek developers skilled in Python, Flask, and web development frameworks to build scalable applications. Knowledge of REST APIs, databases, and version control tools like Git can enhance job prospects in this field.

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 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 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 the most commonly searched types of Python Flask Developer jobs in New York? The most popular types of Python Flask Developer jobs in New York are:
What are popular job titles related to Junior Python Flask Developer jobs in New York? For Junior Python Flask Developer jobs in New York, the most frequently searched job titles are:
What job categories do people searching Junior Python Flask Developer jobs in New York look for? The top searched job categories for Junior Python Flask Developer jobs in New York are:
What cities in New York are hiring for Junior Python Flask Developer jobs? Cities in New York with the most Junior Python Flask Developer job openings:
Junior Python Flask Developer jobs near you
Infographic showing various Junior Python Flask Developer job openings in New York as of August 2026, with employment types broken down into 1% Internship, 87% Full Time, 4% Part Time, and 8% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution.

AI Prompt Engineer / AI Application Engineer

Afficiency

Manhattan, NY • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 5 days ago

Job description

Company Description
Afficiency is a rapidly growing Insurtech startup whose mission is to provide life insurance to everyone on the platforms they already trust. Located in NYC, we design life insurance products that can be purchased entirely digitally and can be easily embedded into distribution platforms or with agents who sell insurance. The company is experiencing rapid growth and is well-funded. We are looking for new team members to join us on our journey to shake up the life insurance industry. We need individuals who bring passion, curiosity, and a desire for excellence.
Job Description
We are seeking a highly skilled AI Prompt Engineer / AI Application Engineer to design, develop, and deploy AI-driven digital solutions for Life Insurance business applications. The ideal candidate will possess strong full-stack development expertise along with hands-on experience in AI technologies, agentic workflows, prompt engineering, and Large Language Model (LLM) integrations.
This role will focus on building real-time AI-powered applications that enhance customer experience, underwriting, servicing, claims processing, agent productivity, knowledge management, and operational efficiency.
The successful candidate will work closely with business stakeholders, solution architects, data engineers, and digital product teams to deliver enterprise-grade AI solutions.
This role is for someone who is based in the NYC Metro Area, passionate about building real-world GenAI applications and bringing them into production, while continuously improving performance, reliability, and user outcomes.
Qualifications
Responsibilities
AI & Prompt Engineering
  • Design, develop, and optimize prompts for Large Language Models (LLMs) including OpenAI Codex, GPT, Claude, Gemini, and other enterprise AI platforms.
  • Build AI-powered workflows, copilots, virtual assistants, and intelligent agents for insurance business processes.
  • Develop Retrieval-Augmented Generation (RAG) solutions using enterprise knowledge repositories and policy documentation.
  • Implement prompt testing, evaluation, and optimization frameworks to improve accuracy, consistency, and reliability.
  • Design agent-based solutions using tools, skills, plugins, function calling, workflows, and orchestration frameworks.
  • Create reusable prompt libraries and AI solution accelerators.
  • Monitor AI performance metrics and continuously improve model outcomes.

Application Development
  • Design and develop modern web applications using React.js and related frontend technologies.
  • Build RESTful APIs and microservices using Python Flask.
  • Integrate AI services into enterprise digital applications.
  • Develop real-time applications supporting customer service, underwriting, policy servicing, and claims workflows.
  • Implement authentication, security, and scalability best practices.

Data & Integration
  • Connect AI applications to enterprise systems through APIs and service layers.
  • Work with structured and unstructured data sources supporting AI use cases.

Architecture & Delivery
  • Participate in AI solution architecture and technology selection.
  • Conduct proof-of-concepts and rapid prototypes.
  • Collaborate with cloud, data, and application teams.
  • Follow DevOps, CI/CD, and Agile development practices.
  • Maintain documentation, technical specifications, and AI governance controls

Education
  • Bachelor's Degree in Computer Science, Information Technology, Engineering, Data Science, or related discipline.

Experience
  • Minimum 4+ years of software engineering experience.
  • Minimum 2+ years developing AI-powered applications or Generative AI solutions.
  • Experience in Life Insurance, Financial Services, or regulated industries is highly preferred.

Technical Skills / Exposure
  • Front-End Development
  • React.js
  • JavaScript / TypeScript
  • HTML5 / CSS3
  • Responsive UI development
  • Backend Development
  • Python
  • Flask API Development
  • REST APIs
  • Microservices Architecture
  • Database Technologies
  • SQL Server, PostgreSQL, MySQL, or Oracle
  • Database design and optimization
  • Query performance tuning
  • AI & Generative AI
  • Prompt Engineering
  • Large Language Models (LLMs)
  • OpenAI GPT/Codex
  • Anthropic Claude
  • Google Gemini
  • AI Agents and Agentic Workflows
  • RAG (Retrieval Augmented Generation)
  • Vector Databases
  • Embeddings
  • Fine-Tuning Concepts
  • Model Evaluation Techniques
  • Tool Calling and Function Calling
  • AI Frameworks & Tools
  • Claude (co-work, code and design)
  • Microsoft Copilot Studio
  • AI Skills and Plugin Development
  • Workflow Orchestration Frameworks
  • Cloud & DevOps
  • Git/GitHub
  • Azure DevOps
  • CI/CD Pipelines

Desired Competencies
  • Strong analytical and problem-solving abilities.
  • Ability to quickly learn emerging AI technologies.
  • Excellent communication and stakeholder engagement skills.
  • Strong understanding of responsible AI practices.
  • Ability to work independently in a fast-paced environment.
  • Strong focus on solution quality, scalability, and business outcomes.

Additional Information
Success Criteria
Within the first 6 months, the candidate will:
  • Deliver production-ready AI-powered digital applications.
  • Build reusable prompt engineering frameworks and AI accelerators.
  • Develop real-time AI agents supporting insurance operations.
  • Improve operational efficiency and customer experience through Generative AI solutions.
  • Establish best practices for AI application development, governance, and monitoring.

Benefits
  • Competitive salary with equity options
  • Robust health, dental, and vision benefits for employee and dependents
  • 401k matching contributions
  • Generous PTO policy
  • Provided work-from-home equipment

Afficiency is an Equal Opportunity Employer. All your information will be kept confidential according to EEO guidelines.

Apply