Top Senior Platform Engineer Jobs in Chicago, IL

Design, build, and support Workday Financials solutions and integrations across finance modules. Partner with product owners and finance stakeholders to translate requirements, automate processes, troubleshoot production issues, maintain documentation, and stay current with Workday platform updates and capabilities.

The Senior Platform Engineer will develop and support Workday solutions, collaborate with various teams, and enhance human resource technologies for Capital One.

Design, implement, and maintain scalable hybrid multi-cloud Kubernetes platforms at massive scale. Ensure high reliability, integrate open-source observability tools, provide technical direction, operate large Linux environments across cloud and data centers, handle on-call duties, and mentor junior engineers.

Build and scale AI platform infrastructure for internal agents across AWS/GCP. Integrate identity (Okta, OAuth2/OIDC), implement agentic security, containerized deployments (Docker/Kubernetes), CI/CD and Terraform-based pipelines, run vendor evaluations, and design observability/telemetry for LLM-driven workflows while collaborating with security, identity, and engineering teams.

Build and operate scalable platform services, developer tools, and internal infrastructure used across more than 20 engineering teams. Lead technical strategy, platform roadmaps, reliability improvements, CI/CD, observability, containerized environments, compliance, and incident resolution. Influence engineering standards without direct authority, mentor engineers, communicate with senior stakeholders, reduce technical debt, and guide responsible adoption of AI-assisted software development practices.

Design, build, and operate internal developer platforms, CI/CD pipelines, developer environments, deployment workflows, and shared services. Create automation and custom tooling, prototype and productionize AI-assisted engineering workflows, strengthen cloud and container foundations (Kubernetes, IaC), instrument platforms with telemetry, and own platform projects end-to-end including rollout, adoption, and on-call.

As a Senior z/OS Platform Engineer, you will enhance mainframe software systems, support infrastructure tasks, and mentor team members.

Design, build, deploy, and operate Node.js and TypeScript backend services supporting account onboarding, identity verification, agreements, and funding. Own event-driven workflows, asynchronous processing, job orchestration, integrations, reliability, monitoring, and operational tooling. Develop scalable services on Google Cloud Platform and Kubernetes, support expansion into new markets, coordinate technical direction, and mentor engineers. Ensure correctness through idempotency, retries, reconciliation, and resilient handling of partial failures.

Own and implement platform initiatives to improve scalability, reliability, and developer experience. Automate infrastructure with IaC, operate Kubernetes and CI/CD pipelines, build developer tools, monitor platform resilience, participate in incident response, and influence architecture and processes as you grow.

Lead design and implementation of the Tax platform: build scalable, fault-tolerant systems, improve extensibility, mentor engineers, drive technical strategy and roadmap, collaborate cross-functionally, improve reliability/incident response, and build AI guardrails to safely leverage agentic LLMs for tax compliance.

Lead the technical strategy for Coinbase's Data Platform, architecting data systems for AI/ML workloads and ensuring data reliability, performance, and cross-functional alignment.

Design, build, and scale backend microservices and APIs for high-volume financial and transactional systems. Implement secure integrations with payment processors and banks, develop data-driven account and transaction services, ensure data integrity and performance, and collaborate cross-functionally to deliver production-grade fintech features with strong development practices.

Own and evolve the data infrastructure powering identity and fraud products. Build and operate scalable ETL/ELT pipelines, ensure data quality and observability, optimize storage and access, support product squads, respond to production incidents, mentor engineers, and drive data platform innovation.

Design and build scalable services, APIs, and data models for content and catalog systems. Lead system and low-level design, drive end-to-end delivery, collaborate with product and architecture teams, improve CI/CD and observability, mentor engineers, and safely integrate AI/ML into content workflows.

Lead design, build, and operate scalable GenAI backend services and APIs (Python/FastAPI). Integrate LLM providers, vector stores, and Aurora PostgreSQL for RAG workflows. Implement guardrails, observability, CI/CD, testing, and on-call support. Partner with cross-functional teams and produce documentation to enable safe, multi-tenant GenAI platform adoption.

Design, build, and operate secure, low-latency authentication and authorization services using Go and gRPC. Own capabilities spanning OAuth, sessions, tokens, 2FA, account recovery, and edge authorization. Lead complex technical initiatives, improve integration tooling, collaborate with product, security, fraud, and infrastructure teams, and mentor engineers while maintaining strong observability, reliability, and security standards.

As a Senior Software Engineer on the Data Platform team, you'll enhance the data infrastructure, develop ETL pipelines, maintain data quality, collaborate across teams, and mentor junior engineers.

Owner of Vannevar's authentication and authorization platform: build tenant-isolated auth systems, self-service user/group/permission admin UI, tooling to visualize and validate access, feature-flag and platform management interfaces, and shared authorization capabilities across products.

Lead design and delivery of backend-focused full-stack features for the Business Platform. Build APIs, data models, and reliable parsers, ensure secure resilient systems, mentor engineers, drive estimates and quality, collaborate with Growth on data-driven features, and integrate AI tooling into development workflows.

The Senior Data Engineer will design and implement scalable data models in BigQuery using dbt for analytics and reporting, ensuring data governance and optimal performance.

Design, build, and maintain distributed data platform components (messaging, DB, data warehouse), automate provisioning/backups, troubleshoot performance/reliability, participate in on-call rotation, mentor junior engineers, and contribute to the technical roadmap and platform improvements.

Build and operate Coinbase's LLM and agent platform: unified model gateway, AI Hub, secure microVM agent runtime, knowledge base integrations, AI FinOps, observability and evaluation tooling, and production-grade agent deployments with teams across the company.

As a Senior Software Engineer, you will develop systems, enhance AI tooling, mentor team members, and oversee project management in a collaborative environment.

Leads the Solutions Architecture team supporting Cloudflare’s AI and Developer Platform. Develops technical sales strategy, drives pipeline and revenue, manages people and budgets, advises sales leadership, engages executive customers, collaborates with Product and Marketing, and establishes customer feedback loops to improve product strategy and adoption.

Own performance optimization, reliability, observability, capacity modeling, and automated failover for Coinbase’s blockchain node infrastructure. Diagnose resource bottlenecks, reduce infrastructure costs, define SLOs and SLIs, support protocol upgrades, and improve node performance across distributed systems at scale. Collaborate with protocol integration, wallet, and indexer teams while applying backend programming and systems profiling expertise.