--- title: 'Senior Platform Engineer at Saga' canonical: 'https://feeny.ai/job/senior-platform-engineer-saga-los-altos-zb1q2rzeaqr9' type: 'job' last_seen: '2026-09-07' --- # Senior Platform Engineer at Saga - **Company:** Saga - **Location:** Los Altos, CA - **Work type:** remote - **Posted:** 2026-03-23 - **Last confirmed live:** 2026-09-07 - **Apply:** https://jobs.lever.co/saga-xyz/012a47ad-c15a-47c3-a459-1f14058939dd ## Job description Saga is building a suite of products across the crypto ecosystem — from consumer fintech apps to DeFi protocols and the SagaEVM chain. Our mission is to build products and infrastructure that push the crypto ecosystem forward — whether that's consumer applications, DeFi primitives, or the chains themselves. Our team is world-class — veteran web3 entrepreneurs and builders from Ignite (Tendermint), Apple, Twitter, NVIDIA, and Skuchain — and we're looking to grow as we scale Mino to millions of users. We offer a flexible, remote working environment. You can expect a warm welcome from a friendly and international team that will support you in your personal and professional growth. This is an exciting opportunity to take an active part in the blockchain space and contribute to the decentralization of the future. ## The Role As a Senior Platform Engineer, you'll own the backend systems and infrastructure that power our products. You'll build the services, APIs, deployment pipelines, and platform tooling that enable a fast-moving product team to ship reliable, performant features to end users. This role sits at the intersection of backend development and infrastructure — you'll write application-level code and also make sure it runs smoothly at scale. The Work - Design, build, and maintain backend services and APIs that power core product features (transactions, wallet management, DeFi integrations, user accounts) - Own and evolve the infrastructure layer — CI/CD pipelines, container orchestration, deployment automation, and infrastructure-as-code - Build and operate scalable, reliable systems on cloud infrastructure (AWS, GCP, or similar) - Develop high-quality, performant, modern, clean and readable code within tight deadlines - Develop internal tooling and platform primitives that accelerate the product engineering team - Implement observability, monitoring, and alerting to ensure high availability and fast incident response - Collaborate closely with product, design, and frontend engineers to deliver end-to-end features - Contribute to architecture decisions, technical documentation, and engineering standards as the team grows - Own the development and maintenance of the project from ideation to deployment Must Have - 7+ years of experience in backend engineering, with meaningful exposure to infrastructure, platform, or DevOps/SRE work - Strong proficiency in Golang (5+ years) - Experience designing and building production APIs and microservices at scale - Hands-on experience with Kubernetes, container orchestration, and cloud infrastructure (AWS, GCP, or similar) - Familiarity with infrastructure-as-code tools (Terraform, Pulumi, or equivalent) - Experience building and maintaining CI/CD pipelines for multi-service deployments - Strong understanding of distributed systems, databases, and systems-level debugging - Exceptional problem-solving, analytical, and communication skills ## Nice to Have - Experience with blockchain systems or integrating blockchain-based backends into consumer-facing products - Understanding of cryptographic primitives (public/private keys, hash functions, Merkle trees) - Experience with the Cosmos SDK / CometBFT technology stack - Background in fintech, payments, or wallet infrastructure - Experience with performance optimization, load testing, and capacity planning - Familiarity with observability stacks (Prometheus, Grafana, Datadog, or similar) - Contributions to open-source projects ## Benefits - Work remotely from anywhere in the world - Work on exciting things at the intersection of fintech and crypto - Flexible working hours - Flexible vacation policy - Competitive salary - Stock options - Full benefits* *Medical, Dental, Vision, and 401k retirement plans for US employees only. ## About Saga ## Company Overview - **One-liner**: Saga builds infrastructure and AI agents that turn characters, brands, and worlds into persistent, autonomous digital participants for gaming, entertainment, and commerce. - **Entity Type**: Private (early-stage; $17.5M total funding across pre-seed and multiple seed rounds) - **Headquarters**: Palo Alto, California, United States - **Founded**: 2021 (based on pre-seed round date) - **Founders**: Jin Kwon (CEO) and Bogdan Alexandrescu (CSO) per official site; also Kyle Walker (VP Engineering). *Note: LinkedIn company page lists Rebecca Liao as Co-Founder and CEO, and Jin Kwon as CSO – conflicting reports.* ## Core Business - **Industry**: AI infrastructure, AI agents, gaming technology, digital IP commerce - **Target Customers**: B2B – gaming studios, entertainment brands, publishers, creators, online communities, digital commerce platforms - **Mission**: “Pioneering Synthetic Relationships” – enabling persistent AI characters that interact, adapt, and grow across the internet ## Products & Services - **AI Character Agent Network**: A platform where studios and publishers deploy autonomous character AI agents that engage audiences on social media, messaging apps, and gaming environments. These agents maintain identity, memory, and conversational continuity over time. (SaaS / platform) - **Agentic Commerce Platform**: Enables AI-driven transactions, product recommendations, and payment interactions on behalf of IP owners. (Platform / API) - **Infrastructure & Training Pipeline**: Proprietary architecture combining LLMs and SLMs for fine-tuning character agents, including RLHF/RLAIF feedback loops and multi-modal capabilities (text, voice, video, livestreaming). (Infrastructure / tooling) ## Market Standing - **Valuation**: Not publicly disclosed - **Key Metrics**: $500K annual revenue (per business profile); $2 billion in aggregate transaction value processed since early 2024; over 23 million transactions processed - **Notable Investors**: Ignite (pre-seed lead), Placeholder (seed lead), Maven 11 Capital (seed lead), plus 24+ other investors - **Growth Signals**: - 6.2% year-over-year headcount growth (11 employees as of mid-2026) - Launched AI Character Agent Network in 2025, rapidly scaling deployments - Processing $2B in value across the network - Multiple open roles across engineering and product (Senior AI Engineer, Head of Product, Senior Platform Engineer) ## Competitive Advantages - **Persistent Synthetic Relationships**: Agents that maintain coherent identity and memory across platforms, not just single-app chatbots. - **Proprietary Multi-Model Orchestration**: Combines LLMs and SLMs with swarm-based architectures for cost-efficient, character-consistent behavior. - **First-Mover in Agentic IP Commerce**: Bridges AI, gaming, and commerce in a way that is tailored for major IP owners. - **Experienced Team**: Founders and engineers from Apple, X (Twitter), Robinhood, Samsung, NVIDIA, Tendermint, and Skuchain. ## Strategic Focus - Scaling the AI agent platform to more studios, publishers, and platforms. - Expanding the agentic commerce layer to enable autonomous transactions. - Building tooling for creator customization of agent personality, lore, and behavioral guardrails. - Deepening multi-modal capabilities (voice, video, livestreaming) for richer agent engagement. - Growing the engineering team to support increased deployment velocity. ## Why Work Here - **Remote-First Culture**: Work from anywhere in the world; flexible hours. - **Impact at Intersection of AI, Entertainment, and Crypto**: Opportunity to shape the nascent field of synthetic relationships and agentic commerce. - **Tight-Knit Team**: 11 people across 5 countries – high ownership and visibility. - **Competitive Compensation**: Competitive salary, stock options, and benefits (medical, dental, vision, 401k for US employees). - **Talent Pool**: Surrounded by veteran entrepreneurs and builders who have shipped consumer products at scale. - **Open Roles**: Senior AI Engineer, Head of Product – AI Agent Commerce Platform, Senior Platform Engineer, Senior Protocol Engineer. ## Sources 1. [Saga About Page](https://www.saga.xyz/about) 2. [Saga Careers Page](https://www.saga.xyz/careers) 3. [LinkedIn Company Profile](https://www.linkedin.com/company/saga-xyz) 4. 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