Senior Software Engineer, Fullstack

Toast

. Build end-to-end across backend services, APIs, data models, web front ends, and Android point-of-sale and handheld apps .

Posted 9/17/2026full-timeRemote • United StatesSenior💰 $125,000 - $254,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in Fullstack Development, with a strong focus on Backend Services, API Design, and Modern Web Front-End Technologies. Proficient in delivering high-quality, maintainable code while collaborating effectively within cross-functional teams.

Highest-signal resume keywords

Fullstack DevelopmentBackend Fundamentals in Java or KotlinModern Web Front-End Development with ReactExperience with Distributed Systems and Event-Driven ArchitectureProficiency in Using AI Tools for Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaKotlinReactAPI DesignAsynchronous CommunicationEvent-Driven ArchitectureDistributed SystemsClean Code PracticesTesting and Instrumentation0→1 Builds

Soft Skills

Strong CommunicationCollaboration Skills

Tools & Technologies

Android DevelopmentPoint-of-Sale SystemsPayments SystemsAI Tools

Industry Keywords

Internal IncubationRapid ExperimentationHardware-Adjacent SystemsOffline-First Systems

Tech Stack

Tools & technologies

AndroidDistributed SystemsJavaKotlinReact

About the role

Key responsibilities & impact

Build end-to-end across backend services, APIs, data models, web front ends, and Android point-of-sale and handheld apps
Learn unfamiliar platforms and codebases quickly, including Android/Kotlin
Understand operator needs and contribute product perspectives
Collaborate with a small cross-functional team to put products in customers’ hands quickly
Navigate diverse codebases across the Toast platform and deliver high-quality code on schedule
Own testing, instrumentation, on-call, and cleanup
Use AI tools to improve development workflow and velocity and pioneer new approaches

Requirements

What you’ll need

Track record of shipping meaningful products to real users with technical and business impact
Fullstack experience owning features from backend service and API through to the client
Backend fundamentals in Java, Kotlin, or similar
Knowledge of distributed systems, asynchronous communication, event-driven architecture, API design, and integration patterns
Modern web front-end development experience with React or similar
Track record of learning new languages, frameworks, or platforms on the job and shipping production code
Ability to deliver clean, maintainable, resilient code
Experience in 0→1 builds and comfort with shifting priorities and incomplete requirements
Strong communication and collaboration skills
Ability to write technical designs and align with product and design partners
Pattern of using AI tools to accelerate work and explain their use
Android development experience, particularly production Kotlin or Java, is a nice to have
Early-stage product, internal incubation, or rapid experimentation experience is a nice to have
Point-of-sale, payments, hardware-adjacent, or offline-first systems experience is a nice to have

Benefits

Comp & perks

Competitive compensation and benefits programs
Cash compensation, including overtime and bonus/commissions if eligible
Equity
Benefits supporting a healthy lifestyle
Flexible benefits to meet changing needs
Hybrid work model valuing individual needs
Reasonable accommodations for persons with disabilities