Senior Full Stack Engineer (Python + JavaScript + AI-Driven) - Remote - USA

About FullStack FullStack is one of the fastest-growing software consultancy companies in the Americas. We deliver transformational digital solutions to top global companies and Silicon Valley startups. As an employee-first company, we focus on hiring the most talented software designers and developers by creating a positive, respectful, and supportive work environment where they can achieve their greatest potential. We’re Most Proud Of

• Offering life-changing career opportunities to talented software professionals across the Americas.
• Building highly-skilled software development teams for hundreds of the world’s greatest companies.
• Having delivered hundreds of successful custom software solutions, which have positively impacted the lives and careers of millions of users.
• Our 4.2-star rating on GlassDoor.
• Our client Net Promoter Score of 68, twice the industry average.

The Position We're Looking To Hire a Senior Full Stack Engineer (Python + JavaScript + AI-Driven) To Join Our Team. You'll Work With Our Incredible Clients In One Of Two Ways

• Team Augmentation: You will integrate directly into our client's team and work alongside their existing designers and engineers daily.
• Design & Build: You will work on a FullStack product team to build and deliver a product to our clients.

What We're Looking For

• 5+ years of professional software engineering experience building, running, and scaling modern web applications in production.
• Advanced English is required.
• Successful completion of a four-year college degree is required.
• Expertise in backend programming with Python and frameworks like Django (or similar).
• Hands-on experience leveraging AI coding agents (Claude Code, Cursor, Copilot) as a core part of your daily development workflow.
• Track record of working with relational databases, specifically PostgreSQL, including advanced tuning, query optimization, indexing, partitioning, and connection pooling.
• Solid background in asynchronous and background-processing infrastructure such as Celery.
• Experienced with JavaScript/TypeScript and frontend technologies, alongside a strong interest or familiarity with server-side architectures like HTMX or traditional frameworks (React/Vue).
• Proven experience operating cloud infrastructure (AWS, GCP, or Azure) and managing Infrastructure as Code (e.g., Terraform).
• Solid understanding of DevOps fundamentals, including CI/CD pipelines, containerization, and scaling applications under heavy load.
• Deep experience in observability practices (metrics, logging, tracing, alerting) using modern tools to monitor production health.
• Comfortable working with RESTful and/or GraphQL APIs and service-to-service integrations.
• Familiarity with container orchestration (Kubernetes) or modern PaaS deployment is a plus.
• Experience defining and working against SLOs/SLIs, or working within a SaaS/B2B product company is a plus.
• Familiarity with C# / .NET or the nonprofit tech space is a nice to have.
• Ability to work through new and difficult issues and contribute to libraries as needed.
• Ability to create and maintain continuous integration and delivery of applications.
• Forensic attention to detail.
• A positive mindset and a can-do attitude.
• Experience working on Agile/Scrum teams.
• Meaningful experience working on large, complex systems.
• Ability to take extreme ownership over your work. Every day is a challenge to ensure you are performing to the expectations you and your team have agreed upon.
• Ability to identify with the goals of FullStack's clients and dedicate yourself to delivering on the commitments you and your team make to them.

Nice To Have We’re Seeking Engineers Who Are AI-enthusiastic In Their Workflow. Professional Experience Or Personal Project Work With The Following Is a Significant Plus

• Cursor, Windsurf, or Google Antigravity.
• Claude Code, Gemini CLI, Codex, or Copilot CLI.

What We Offer

• Competitive Salary.
• Paid Time Off (vacation, sick leave, maternity and paternity leave, holidays).
• 100% remote work.
• The ability to work with leading startups and Fortune 500 companies.
• Health, dental, and vision insurance.
• 401(k) w/ 4% match.
• Ample opportunity for career advancement.
• Continuing education opportunities.

FullStack is proud to be an equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Learn more about our Applicants Privacy Notice.