Senior Fullstack Engineer, Product Experience

Fixify

Senior Fullstack Engineer building Fixify’s scalable messaging pipelines and user-facing SaaS product. Improving integrations and LLM features through close customer feedback.

Posted 8/5/2026full-timeRemote • 🇺🇸 United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building scalable and observable SaaS solutions, with a strong focus on user needs and delivering well-documented, modular code. Proficient in collaborating cross-functionally and evolving products with features involving large language models.

Highest-signal resume keywords

5+ Years Experience In SaaS SolutionsTypeScript ProficiencyCloud Platform Experience (AWS, GCP, Azure)Modular Code DocumentationCross-Functional Collaboration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

SaaS SolutionsTypeScriptModular CodeScalable SystemsLarge Language Models

Soft Skills

Attention To DetailUser-Centric ApproachCuriosityDrive For Improvement

Tools & Technologies

AWSGCPAzure

Industry Keywords

Messaging PipelinesFeature DeliveryUser Interface Design

Tech Stack

Tools & technologies

AWSAzureCloudGoogle Cloud PlatformTypeScript

About the role

Key responsibilities & impact

Collaborate with engineers across all aspects of the product
Own feature delivery in horizontally scalable messaging pipelines
Build and refine user interface details
Evolve the product, including features involving large language models (LLMs)
Immerse yourself in users' environments and refine work based on feedback
Review and deliver well-documented, modular code
Communicate clearly with users and collaborate cross-functionally

Requirements

What you’ll need

At least 5 years of experience building scalable and observable SaaS solutions
Experience with at least one major cloud platform: AWS, GCP, or Azure
Strong knowledge of TypeScript or ability to quickly learn and master it
Practice of producing well-documented, modular code
Keen attention to detail, especially when reviewing pull requests
Genuine interest in understanding user needs and translating them into technical solutions
Ability to work cross-functionally
Curiosity and drive to keep improving

Benefits

Comp & perks

Team that values every voice and learns from every challenge
Endless opportunities to learn new things
Work that influences organizations globally and makes a tangible difference
Transparency about the reasoning behind decisions and collective learning
Direct connection with users for visibility into product impact