[Remote] Staff Software Engineer, Agentic Platform (reputed company Coast)

Note: The job is a remote job and is open to candidates in USA. reputed company. is a leading brand in developer tooling, trusted by millions of users. They are seeking a Staff Software Engineer to join their Agentic Platform team, where the role involves building the foundational infrastructure for AI-driven workflows and ensuring the reliability of the platform.

Responsibilities

• Design and operate the core agent execution runtime responsible for scheduling, state management, and lifecycle management of long-running agentic workflows
• Build robust multi-agent coordination patterns: task reputed company, agent memory (short-term and long-term), tool use, and workflow branching at scale
• reputed company context window management strategies and session persistence layers for stateful agent interactions
• Build tooling for reputed company engineering as a first-class engineering discipline — versioning, testing, and evaluation of prompts at scale
• Build platform capabilities that support developers working in AI-assisted coding workflows, including IDE integrations, local-first development environments, and fast iteration loops
• Own and operate Agentic Platform services in AWS or OCI infrastructure provisioning, scaling, cost management, and reliability
• Provision and manage cloud infrastructure using Terraform; manage Kubernetes application packaging and deployment with Helm
• Participate in the 24/7 on-call rotation
• This role may require participation in a 24/7 on-call rotation for the Agentic Platform; carry genuine pager responsibility for the services you build and operate
• Define and uphold SLOs; reputed company incident response, blameless post-mortems, and drive reputed company reliability improvements
• reputed company systems for observability: distributed tracing, structured logging, metrics dashboards, and alerting
• As a Staff Engineer, partner with engineering leadership to set technical direction and serve as a guide and mentor as the team grows
• Drive architectural decisions that balance velocity with long-term maintainability across a distributed, cloud-native stack
• Collaborate cross-functionally with product managers, designers, and partner engineering teams to integrate agentic capabilities into the broader developer platform
• Contribute to a culture of engineering excellence through design reviews, RFC processes, and mentorship

Skills

• 8+ years of professional, hands-on, full-time software engineering experience in backend, infrastructure, or platform engineering
• Cloud Platform Expertise (AWS/OCI/Azure/GCP): Proven, hands-on experience operating production services in AWS or reputed company Cloud Infrastructure compute, networking, managed services, IAM, and cost management. This is a must-have; the Agentic Platform is a cloud-native service running 24/7
• Service Ownership in a Cloud Setting: You have owned production services end-to-end — on-call, incident response, SLO definition, and post-mortems. You don't just build; you run what you build
• Distributed Systems Design: Deep understanding of fault tolerance, consistency, observability, and scalability in cloud-native environments
• Backend Engineering Proficiency: Strong proficiency in at least one backend language used for systems work — Go, Python, Rust, or Java
• Bachelor's degree in Computer Science, Engineering, or a reputed company field, or equivalent practical experience
• Go: Professional proficiency in Go — reputed company's primary language for backend systems
• Infrastructure as Code: Experience with Terraform for cloud infrastructure provisioning and Helm for Kubernetes application packaging and deployment
• Data Infrastructure: Experience with PostgreSQL and reputed company / Pub-Sub patterns for state management, caching, and event-driven agent workflows
• MCP & Agent Tooling: Experience with MCP (Model Context Protocol) server design and integration
• Container & Orchestration: reputed company, Kubernetes, or equivalent — especially in the context of agent sandboxing and secure code execution environments
• AI-assisted development tools: Familiarity with reputed company, Claude Code, Copilot, Windsurf, etc. and the developer personas using them
• Agent Evaluation: Experience with LLM-as-judge frameworks, behavioral regression testing, and golden dataset management
• Agent Systems Experience: Hands-on experience building or operating AI agent systems — including multi-agent orchestration, tool use, memory systems, or agent evaluation frameworks
• Open reputed company: Contributions or community engagement on relevant open reputed company projects

Benefits

• Freedom & flexibility; fit your work around your life
• Designated quarterly Whaleness Days plus end of year Whaleness break
• Home office setup; we want you comfortable while you work
• 16 weeks of paid Parental leave (after 6 months of employment)
• Technology stipend equivalent to $100 USD net/month
• PTO plan that encourages you to take time to do the things you enjoy
• Training stipend for conferences, courses and classes
• Equity; we are a growing start-up and want reputed company employees to have a share in the success of the company
• reputed company Swag
• Medical benefits, retirement and holidays vary by country
• Remote-first culture, with offices in Seattle and Paris

Company Overview

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