12,405 Senior Full-Stack jobs

NewBe an early applicant On-siteLATAMFull-timeSenior

5220 Desarrollador Full Stack .NET C# 3 posiciones Senior y 4 posiciones Semisenior

Argentina

Full-stack .NET developer (7 senior/semi-senior openings) hired directly by a large leading company in Buenos Aires. Day to day: analyzing requirements, coding in C#/.NET MVC with layered SOA architecture, unit testing, and maintaining existing apps using Oracle, Git, HTML/CSS/JS, jQuery and Bootstrap.

Android Angular C# CSS .NET +11 skills

Bluelight

Senior Python Fullstack Engineer - Flask/React, Data Viz

Data Visualization Financial Reporting Python React

Mexico

Senior full-stack engineer at software consultancy Bluelight, owning end-to-end development of financial reporting and data visualization applications using Python/Flask and ReactJS, delivering client projects from Guadalupe, Mexico.

Conexa Saúde

NewBe an early applicant RemoteLATAMSenior

Software Engineer Fullstack SR

Brazil

Senior full-stack engineer at Conexa Saúde, Latin America's largest digital physical and mental health ecosystem, building and evolving scalable product features across the whole stack: JavaScript backend, React frontend, microservices and REST/GraphQL APIs, SQL/NoSQL databases, CI/CD, plus code reviews and mentoring of mid/junior developers.

API AWS Azure CI/CD Claude Code +25 skills

Roblox

Open 135d North AmericaFull-timeSenior Licensed UK sponsor

Senior Frontend/Fullstack Software Engineer, Social Graph

United States

The Senior Software Engineer will build and maintain full-stack social graph features to improve user connection and engagement on the Roblox platform. This role is frontend-leaning and involves collaborating with cross-functional teams to ship features used by millions of daily users.

Senior Software Engineer (Full Stack), Global Actions

Open 22d North AmericaFull-timeSenior Licensed UK sponsor

United States

Senior full-stack engineer at Roblox building Global Actions, starting with an Affinity System (Saves, Collections, Wishlists) that replaces the fragmented Favorites experience. Day to day: design backend APIs and data models, lead a data-safe migration across web, mobile, console, and VR, and build React-based cross-platform UI.

API Api Design Data Modeling JavaScript React +1 skills

197K – 243K $

Roblox

Open 50d North AmericaFull-timeSenior Licensed UK sponsor

Senior Frontend/Fullstack Software Engineer, Sharing

United States

Senior software engineer on Roblox's Sharing team building Roblox Moments, the feature where users capture, share, and discover content. Day to day you own projects end to end across the stack — high-performance React client experiences plus backend services serving billions of content items — partnering with product, safety, and infrastructure teams.

GraphQL JavaScript React Redux User Flows

243K – 295K $

Computrabajo

Developer Full Stack / Senior

API CI/CD DevOps Docker Figma +7 skills

Chile

Full Stack developer (semi senior/senior) at AGTEC building end-to-end features for a financial-sector project: frontend interfaces, Node.js/NestJS backend services, and REST integrations between digital platforms, fraud systems, and core systems. Hybrid work in Santiago with Git, CI/CD, Docker, and SQL/NoSQL databases.

Computrabajo

Senior Full-Stack Developer - FinTech API & Systems

API CI/CD JavaScript NestJS Node.js +1 skills

Chile

AGTEC is hiring a full-stack developer in Santiago, Chile (hybrid) to build features and integrations between platforms, fraud systems and core for a financial-sector project. Core stack: JavaScript/TypeScript, Node.js and NestJS, with REST APIs, testing and CI/CD.

23people

Bilingual Senior Full Stack Java Developer (Test Automation & AI)

Angular API GitHub Github Copilot Java +3 skills

Chile

Senior bilingual full-stack Java developer joining the 'Credit Health' team: building end-to-end features with Java, Spring Boot and Angular while using GitHub Copilot and Playwright for AI-assisted API/UI test automation. Hybrid role in Santiago (3 days office) working Canada-time hours, on an initial 8-month project contract.

3.3M – 3.5M CLP / mo

JustInsurance LLC

NewBe an early applicant RemoteSenior

Senior AI Native Full-Stack Software Engineer

Remote senior full-stack engineer who independently architects, builds, tests, and deploys production web apps — backend services, APIs, and dashboards on Vercel, AWS, or Google Cloud — while leveraging AI coding tools like Codex and Claude Code. Core stack: JavaScript/TypeScript, React/Next.js, Node.js, PostgreSQL.

AI API Authentication AWS CI/CD +15 skills

from 4K $ / mo

Mecka AI

Senior Full Stack Software Developer

AI API AWS Azure Candidate Experience +23 skills

Senior full-stack engineer in Toronto building production web apps that power Mecka AI's global robotics/embodied-AI data capture, labeling, and operations. Day-to-day: end-to-end feature work with React/TypeScript frontends, Node.js or Python backends, PostgreSQL, and practical LLM/AI integrations into internal tooling.

WorldGaming Network LP

Senior Full Stack Software Developer

Angular Elixir Erlang Java JavaScript +3 skills

Senior full-stack developer at WorldGaming Network in Toronto, building applications in a microservice ecosystem using Elixir/Erlang, Java, JavaScript/ES6, Node.js, and AngularJS/React. Requires about 5 years of software development experience, including architecting, designing, and implementing applications.

KellyOCG

Senior Java Full-Stack Engineer - API & Cloud, Hybrid

J2EE Java Kafka SOAP Spring

Senior hands-on Java full-stack developer at KellyOCG in Montréal who designs, builds, and maintains business applications, contributing to technical design and supporting software through production. Core stack: Java/J2EE-Jakarta EE, Spring, REST/SOAP APIs, and Kafka; hybrid role.

WorldGaming Network

Senior Full-Stack Engineer: Microservices, Elixir & JS

Angular Elixir Erlang Java JavaScript +3 skills

Senior full-stack engineer at WorldGaming Network in Toronto, building and architecting applications in a microservices ecosystem using Elixir/Erlang, Java, and JavaScript (Node.js, AngularJS/React). Requires 5+ years of software development experience at a small startup-culture company.

Diagram

NewBe an early applicant RemoteNorth AmericaSenior

Senior Full Stack Engineer

Acceptance Criteria Agentic AI AI API AWS +19 skills

Senior Full Stack Engineer at Baselane, a venture-backed banking and financial management platform for landlords, owning features end-to-end across React, TypeScript, Node.js/NestJS, GraphQL, PostgreSQL, and AWS, with heavy use of AI coding agents (Claude Code, Cursor). Remote-first, with monthly in-office team events in Toronto.

140K – 170K CAD

LRO Staffing

Senior Full Stack Developer — Hybrid, Flexible Hours

Azure Blazor Cloud Cloud Native .NET

Senior full stack developer (hybrid, Mississauga, flexible hours) at LRO Staffing, designing and maintaining web applications on a modern .NET stack with Blazor UI and Azure services, while also working across legacy Classic ASP codebases, mentoring junior developers, and helping set engineering standards.

KellyOCG

NewBe an early applicant HybridNorth AmericaSenior

Senior Full Stack Developer