Top Platform Engineer Jobs in Los Angeles, CA

Develop and deliver Power Apps, Power Automate, Power BI, data visualization, and Microsoft 365 solutions for an Army customer. Engage customers to define requirements, manage expectations, document technical solutions, conduct user acceptance testing, create training resources, and provide project status updates. Build model-driven and canvas applications, automate business processes, support data modeling and visualization, and maintain integrations across the Power Platform ecosystem.

Develop and maintain SharePoint Online intranets, communication sites, hub sites, custom SPFx components, Power Automate workflows, and Power Apps. Integrate Microsoft 365 services using Microsoft Graph and SharePoint REST APIs. Manage content, permissions, metadata, search, migrations, accessibility, responsive design, testing, deployments, troubleshooting, documentation, and user acceptance testing. This is a long-term hybrid contract requiring three onsite days weekly in Los Angeles and an in-person interview.

Lead the development of foundational iOS platform systems, shared frameworks, developer tools, architecture standards, and multi-quarter migrations across Cash App and Square. Drive performance, reliability, security, testing, observability, release safety, and AI-assisted development practices. This hands-on individual contributor role influences multiple teams, develops technical leaders, and partners broadly to improve iOS engineering quality, productivity, and product outcomes.

Deploys and operates Kubernetes environments across AWS, Azure, and on-premises infrastructure. Builds UDS packages and application modules using infrastructure-as-code, supports customers through onboarding and training, troubleshoots production issues, provides on-call support, and improves delivery processes through operational analysis and customer feedback. The role also contributes to product direction, service development, deployment playbooks, and team mentorship.

Build and operate reliable backend systems for complex government and enterprise data integrations. Responsibilities include designing bidirectional integrations, asynchronous workflows, retries, idempotency, observability, operational automation, debugging production systems, and creating reusable reliability patterns. The role involves TypeScript and Node.js development, database work, partner collaboration, mentoring, and improving support efficiency in a fully remote environment.

Develop and operate IAM services powering Elastic Cloud and on-premises offerings. Responsibilities include backend software development, technical design, production debugging, incident response, customer issue resolution, security and reliability improvements, and on-call participation. The role involves distributed systems, containers, virtualization, microservices, cloud platforms, Kubernetes adoption, and collaboration across globally distributed engineering teams.

Build and operate scalable AI platform infrastructure enabling secure, reliable access to foundation models and AI agents. Responsibilities include developing model gateways, provider integrations, routing, usage controls, observability, governance, and self-service platform capabilities. The role involves architecting distributed systems, improving reliability and security, collaborating across engineering and product teams, mentoring engineers, and establishing high-quality engineering practices.

Designs and develops foundational Azure compute platform technologies. Leads architecture and design for complex systems, writes secure and performant production code, establishes test strategies, performs code reviews, debugs system issues, and drives cross-team technical alignment. The role also applies AI-enabled engineering practices, improves engineering quality, and supports security hardening across cloud infrastructure solutions.

Own and improve billing APIs and full-stack Elastic Cloud console features. Lead projects from design through delivery, contribute to API architecture, improve observability and reliability, review code, mentor engineers, collaborate cross-functionally, and participate in on-call rotations. The role requires building scalable customer-facing systems across cloud infrastructure and supporting SaaS billing experiences in a distributed environment.

Own and improve global billing data pipelines and backend services using Python and PostgreSQL. Design reliable, scalable systems for usage ingestion, transformation, reconciliation, invoicing, and revenue records. Lead projects, optimize database performance, improve monitoring and incident response, participate in reviews and on-call rotations, mentor engineers, and help shape technical priorities. Collaborate with Product, SRE, and Cloud Infrastructure teams in a distributed environment.

Provide technical direction for GitLab Dedicated, a managed single-tenant SaaS platform. Lead architecture and transformation across resilience, failover, tenant orchestration, change management, automation, and platform integrations. Identify systemic reliability and scalability risks, establish reusable platform patterns, strengthen service ownership, and guide cross-team technical decisions. Mentor senior engineers and advance engineering excellence across the organization.

Design and scale backend services, data pipelines, event-driven systems, and integrations supporting autonomous manufacturing operations. Build LLM agents and RAG workflows for supplier document analysis, manage PostgreSQL data models, integrate ERP and freight APIs, implement caching and rate limiting, and establish observability and incident response practices. The role requires transactional processing expertise, NLP/ML pipeline experience, and manufacturing supply chain domain knowledge.

Build and evolve Fetch’s backend data platform, including pipelines, governed data access, delivery infrastructure, and partner integrations. Own ambiguous technical problems, lead cross-system initiatives and migrations, improve reliability and engineering efficiency, shape technical direction, collaborate across teams, and mentor engineers. The role requires strong platform engineering judgment, scalable systems experience, operational awareness, and the ability to influence stakeholders in an evolving environment.

Build and operate Helius’s bare-metal infrastructure platform. Responsibilities include automating server provisioning and lifecycle management, developing fleet tooling, standardizing CI/CD and deployment processes, implementing security controls, analyzing infrastructure costs, improving observability, participating in on-call response, and documenting operational procedures.

Design, build, and improve scalable backend systems that collect hard-to-access OSINT; build pipelines and ETL for messy data; collaborate with product and mission teams; mentor engineers and ensure reliable data delivery for DoD workflows.

Develop and maintain Intelerad’s Unified Storage Layer and cloud storage services for medical imaging applications. Responsibilities include designing software features, translating support and stakeholder requirements into solutions, debugging cloud infrastructure, managing Kubernetes, Terraform, AWS, and CI/CD environments, reviewing code, documenting systems, and delivering work within an Agile/Scrum team.

Designs and implements scalable application networking features for Elastic Cloud, including ingress, security controls, private connectivity, and DNS. The role involves performance analysis, load testing, monitoring, incident troubleshooting, root cause analysis, and developing diagnostic tools. The engineer collaborates across teams to meet networking requirements, improve platform reliability, and apply best practices using Golang, Kubernetes, cloud networking, and distributed systems technologies.

Designs, develops, tests, and implements Microsoft Power Platform solutions for clients. Builds Power Apps using Dataverse, Power Automate, SharePoint, Excel, and Forms; creates Power BI analytics with Power Query and DAX; designs data models; integrates systems; modernizes legacy applications; troubleshoots and optimizes solutions; and communicates requirements, designs, progress, and documentation to clients and project teams.

Build and own OpenRouter’s financial infrastructure, including flexible pricing, quote-to-cash automation, usage metering, billing, payments, collections, double-entry ledgering, provider settlements, and reconciliation. Ensure financial correctness through idempotency, auditability, anomaly detection, and access controls. Partner with Provider, Trust & Safety, Sales, Customer Success, and Finance teams to deliver scalable usage-based financial systems.

Leads architecture, reliability, and automation for cloud network foundations across AWS, GCP, Azure, and internal infrastructure. Designs routing, segmentation, firewalls, connectivity, access, and infrastructure-as-code systems; establishes SLOs, monitoring, incident response, and recovery practices. Builds reusable automation, improves change safety, partners across platform, security, IT, and engineering teams, serves as a senior escalation point, creates operational standards, and mentors engineers.

Lead end-to-end technical ownership for an e-commerce platform service area. Design, build, and ship production features; modernize legacy systems; establish architecture and engineering standards; optimize platform performance; plan roadmaps and sprint priorities; mentor engineers; improve developer productivity; and contribute to hiring. The role requires hands-on TypeScript, JavaScript, React, Node.js, AWS, Python, and Django experience in a remote United States or Canada environment.

Build and operate MoonPay’s developer platform, including APIs, SDKs, embedded components, reference applications, and integration tooling. Design secure browser and mobile experiences, simplify payment and crypto workflows, and ensure reliable distributed transaction processing. Own developer interfaces, documentation, versioning, observability, and migration strategies while supporting authentication, identity, KYC, payment methods, and purchasing capabilities across web, iOS, and Android.

Design and build MoonPay’s unified identity and KYC platform across products, partners, and regulated jurisdictions. Responsibilities include defining architecture and technical strategy, modeling identity lifecycles, building secure APIs and SDKs, integrating verification providers, protecting sensitive data, and establishing consent, authorization, auditability, observability, versioning, and failure-handling practices. The role requires hands-on engineering, cross-functional influence, and leadership through ambiguity.

Build and operate cloud-native platform infrastructure enabling AI agents in healthcare: safe CI/CD for agent capabilities, agent-focused observability, scalable infrastructure, automation, runbooks, and incident response.

Build and operate the platform supporting Honeydew’s digital dermatology product. Responsibilities include migrating data infrastructure to RDS, strengthening AWS security and compliance, standardizing logging, developing AI-assisted vulnerability remediation workflows, creating infrastructure and automation, supporting feature teams, and reviewing code. The role requires backend service and API development, platform security, infrastructure as code, CI/CD, and strong data and architecture skills.