Remote Full-Stack Developer — Next.js + FastAPI

Fountain Forward International; Polska; Hybrid; PLN 350,000 - 505,000; Full time

Benefits offered by this job

Remote-First Culture

Flexible Schedule

Unlimited Paid Time Off

Parental Leave

Room to Grow

Professional Development

Quarterly Performance Bonuses

Paid Referral Program

Health & Fitness Reimbursement

Job summary

Fountain Forward International is seeking a Full Stack Developer to build and maintain web applications across frontend and backend using Next.js and FastAPI. You will write Python automation scripts, design RESTful APIs, and manage PostgreSQL databases while ensuring security, scalability, and reliability.

This remote-friendly role requires strong English communication, independence, and collaboration with cross-functional teams in a fast-growing marketing tech environment.

Qualifications

• 1+ years in full-stack development roles.
• Strong proficiency with Next.js, and backend best practices with FastAPI.
• Strong problem-solving skills with attention to detail.
• Ability to debug, troubleshoot, and optimize applications.
• Proficiency with Python for automation and backend scripting.
• Experience in API integration, database design (Supabase / PostgreSQL), and cloud deployment (GCP and Railway).
• Excellent communication skills in English; ability to share technical knowledge clearly.
• Strong teamwork with stakeholders and cross-department peers to align technical work with business objectives.

Responsibilities

• Build and maintain full-stack applications using modern frameworks (Next.js and FastAPI).
• Write clean, efficient Python scripts for automation, integration, or data handling.
• Develop and document RESTful APIs for internal and external integrations.
• Design and manage relational databases (PostgreSQL).
• Integrate with third-party tools and services (Slack, Google Drive, ClickUp, CRMs).
• Implement integrations with external APIs and services.
• Build internal tools that support scalability and workflow efficiency.
• Optimize application performance, security, and scalability.
• Debug, test, and maintain code to ensure reliability and stability.
• Troubleshoot, upgrade, and improve existing software.
• Work with stakeholders to translate needs into technical solutions.
• Collaborate with analysts, operations, and sales teams to ensure systems align with business goals.
• Stay updated with emerging technologies and best practices; recommend improvements.
• The team member must be present and actively participate in all FF training sessions they are invited to attend. If unable to attend, they are responsible for reviewing the training materials and catching up on any missed training.

Skills

1+ years in full-stack

Strong problem-solving

Excellent English communication

Tools

Next.js

FastAPI

Python

PostgreSQL

Supabase

GCP

Railway

REST APIs

Job description

The entire application process must be completed in English. Fluent written and spoken English is required and will be evaluated.

Applicants must be independent freelancers, not represented by another agency, and currently based outside the United States.

WHO ARE WE? FOUNTAIN FORWARD

We are a hyper-motivated crew of internet marketing experts based in Houston, Texas. We're on a mission to provide truly profitable data-driven marketing solutions, primarily for The Automotive industry.

We love working together to accomplish one thing: persuade people to do business with our clients, and do it more often. Seeing our clients make more money and collaborating together to accomplish their goals is what drives us to slam down a couple of espressos every morning and fire up our brain cells.

Job Overview / Purpose Statement

The Full Stack Developer builds, improves, and maintains web applications, platforms, and tools that power Fountain Forward’s services. This role works across front-end and back-end technologies, ensuring solutions are scalable, secure, and aligned with business requirements. Developers collaborate closely with cross-functional teams to deliver integrations, automation, and performance improvements.

Responsibilities & Duties

Core Development:

• Build and maintain full-stack applications using modern frameworks (Next.js and FastAPI).
  
• Write clean, efficient Python scripts for automation, integration, or data handling.
  
• Develop and document RESTful APIs for internal and external integrations.
  
• Design and manage relational databases (PostgreSQL).
  

Integration & Tooling:

• Integrate with third-party tools and services (Slack, Google Drive, ClickUp, CRMs).
  
• Implement integrations with external APIs and services.
  
• Build internal tools that support scalability and workflow efficiency.
  

Performance, Quality & Maintenance:

• Optimize application performance, security, and scalability.
  
• Debug, test, and maintain code to ensure reliability and stability.
  
• Troubleshoot, upgrade, and improve existing software.
  

Cross-Functional Collaboration:

• Work with stakeholders to translate needs into technical solutions.
  
• Collaborate with analysts, operations, and sales teams to ensure systems align with business goals.
  
• Stay updated with emerging technologies and best practices; recommend improvements.
  
• The team member must be present and actively participate in all FF training sessions they are invited to attend. If unable to attend, they are responsible for reviewing the training materials and catching up on any missed training.
  

Requirements

Required Skills & Qualifications

Responsibilities & Duties:

1+ years in full-stack development roles.

Strong proficiency with Next.js, and backend best practices with FastAPI.

Quality Control & Oversight:

Strong problem-solving skills with attention to detail.

Ability to debug, troubleshoot, and optimize applications.

Analytics & Reporting:

Proficiency with Python for automation and backend scripting.

Ability to integrate and report on system performance.

Process & Project Management:

Experience in API integration, database design (Supabase / PostgreSQL), and cloud deployment (GCP and Railway).

Excellent communication skills in English; ability to share technical knowledge clearly.

Strong teamwork with stakeholders and cross-department peers to align technical work with business objectives.

Preferred Experience & Competencies

Must be proficient in English (written and verbal)

Strong problem-solving, quantitative, and analytical abilities.

Excellent communication, collaboration, and delegation skills.

Familiarity with Agile methodologies (Scrum/Kanban).

Knowledge of AI/ML integration basics.

Ability to work independently and align with a remote team in CST hours

OUR HIRING PROCESS

1. Application Review

2. Initial Interview

3. Skills Assessment

4. Final Interview

How We Work

• Freedom and flexibility. We’re a team working from around the world. That is, as long as they show up on our weekly calls, do their job correctly, and have a good sense of accountability.
  
• Autonomy and ownership. Working on a distributed team means you don’t have someone micromanaging you or looking over your shoulder to make sure you’re getting things done. We’re a team of do-ers who take full ownership for their results.
• Be helpful and dedicated. We help our clients be successful. We help our prospects get the right information and make the right decision whether or not it includes our services. We help our team members reach their full potential.

The Perks!

• Remote-First Culture: Work from home—or anywhere in the world. We value results, not where you log in from.
• Flexible Schedule: We offer flexibility in your daily schedule (within reason) to help you do your best work while maintaining a healthy work-life balance.
• Unlimited Paid Time Off: Enjoy an unlimited vacation policy with just two weeks’ notice and manager approval. We also offer paid sick days because your well-being matters.
• Parental Leave: We understand the importance of supporting our team members during significant life events. Our maternity and paternity leave policy ensures you can prioritize your growing family without added stress.
• Room to Grow: We’re a fast-growing company with massive opportunities for upward mobility. As we grow, you grow with us.
• Professional Development: Get access to training in digital marketing, advertising, and leadership to sharpen your skills and advance your career.
• Quarterly Performance Bonuses: Earn bonuses based on your performance and contributions to the company’s success.
• Paid Referral Program: Earn rewards for referring great talent to join our team!
• Health & Fitness Reimbursement (upon tenure): Get support for health insurance or a gym membership—because your well-being matters.