Who We AreAt Fluxon, we believe that how you build matters as much as what you build.
We help businesses navigate their most important technology decisions with confidence, and take responsibility for seeing them through.
Founded by ex-Googlers and startup veterans, we're proud to partner with teams behind some of the most ambitious products, including Google, OpenAI, Anthropic, Walmart and Stripe.
Our work spans strategy, design, and engineering — often in complex, AI-driven environments — where clarity, speed and quality are the standard.
We use AI intentionally, applying it only where it adds real value and expands what's possible.
Care shapes everything we do.
Inside Fluxon, you'll find a global, remote-first team of experienced builders, who are curious, kind and serious about their craft.
We're building a place where people can take ownership, solve problems that matter and do work they're proud to stand behind.
If you want to do your best work alongside people who care as much as you do, you'll feel at home here.This role is fully remote, with candidates based in Buenos Aires, Argentina.About The RoleAs a Staff Software Engineer at Fluxon, you'll play a key role in shaping the technical direction of our engineering organization.
This is a highly senior, hands‐on leadership position where you'll partner closely with company and engineering leadership to influence strategy, guide architectural decisions, and elevate our overall engineering practice.
All Staff Engineers write production code, and everyone joins Fluxon as an individual contributor before stepping into project leadership or management.You'll Be Responsible ForGuiding product delivery all the way to the user, leading projects, providing technical guidance, and building and iterating in a dynamic environmentPartnering directly with clients to understand their needs and achieve business goalsDefining product requirements,



identifying appropriate system designs and planning development in partnership with our Product and Design teamsHelping drive a healthy and effective engineering culture within customer teams and inside FluxonMentoring engineers across multiple teams, supporting their ongoing growth and strengthening team capabilitiesYou'll Work With a Diversity Of Technologies, IncludingCore Languages & RuntimesPrimary Languages: TypeScript/JavaScript, Python, Golang (Go), Java, C# (.NET), Kotlin, Swift, RustAdditional: Ruby on Rails), Java, C# (.NET), Kotlin, Swift, RustFrameworks & EcosystemsFront-End & UI: React, Next.js (Full-Stack), Angular, SwiftUIBack-End & Server-Side: Spring Boot (Java/Kotlin), FastAPI (Python), Django (Python)Mobile Development: Expo (React Native)Cloud & InfrastructurePlatforms: Google Cloud Platform (GCP), Amazon Web Services (AWS), Microsoft AzureCompute: GCP Compute Engine (VMs), AWS Fargate (Container Orchestration), Google Cloud Run (Serverless Containers), AWS AmplifyStorage: AWS S3 (Object Storage), Google Cloud Storage (GCS)Data & Messaging ServicesStreaming & Queuing: Apache Kafka (Event Streaming), AWS SQS (Simple Queue Service)Data Warehouse & Analytics: Google BigQueryMonitoring & Observability: GCP Cloud Monitoring Suite (CMS)Data StoresRelational (SQL): PostgreSQL, MariaDBNoSQL/Document: Firestore (Firebase), Supabase, MongoDBIn-Memory Caching: Redis, MemcacheAdvanced Technologies & ArchitectureArtificial Intelligence/Machine Learning: AI/ML, Large Language Models (LLMs), Agentic AI, Natural Language Processing (NLP)LLM Platforms: Google Gemini, OpenAI ChatGPT, Vertex AI (GCP), Anthropic Claude, Hugging Face (OSS Models)Software Design:



Architecture Redesign, Single Page Applications (SPA), Mobile Application DevelopmentEmerging Tech: Blockchain/CryptoQualifications7+ years of industry experience in software developmentExperience leading development through the full product lifecycle, including CI/CD, testing, release management, deployment, monitoring and incident responseFluent in the design and implementation of scalable system architectures, data structures and algorithms, and effective development practicesProfessional fluency in written and spoken English, with the ability to communicate technical concepts clearly to both international teammates and customersWhat We OfferRemote-first, adaptable work with a budget to set up a work space that works for youLocalized healthcare coverage to support you and your family's wellbeingFlexible paid time off with a minimum of 3 weeks per year (plus holidays)"No internal meetings" Fridays, so you can focus on deep, uninterrupted workA professional growth budget for learning that matters to you – whether it's developing your technical skills or learning a new languageA monthly wellness allowance to support your physical and mental healthAnnual company offsites, where we gather in person to build meaningful connectionsA competitive salary that reflects your expertise, impact and experienceProfit-sharing, so you can benefit directly from the value we build togetherA paid sabbatical program, designed for rest, renewal and fresh perspectiveWe believe diverse teams perform better, and an inclusive environment is essential to building a successful organization.
We welcome applicants from all backgrounds, experiences, and perspectives.
We are an equal opportunity employer and are committed to providing accommodations throughout the hiring process.This role uses AI-assisted tools to support initial screening.
All assessments and decisions are made by a human reviewer.
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📌 Staff Software Engineer (La Pampa)
🏢 Fluxon
📍 La Pampa