Top Platform Engineer Jobs in Chicago, IL

Design, build, and maintain scalable internal platforms using IaC, automation, and CI/CD. Develop Terraform and CloudFormation templates, Python and shell automation, implement policy-as-code and guardrails, onboard application teams, monitor platform reliability, and document best practices to improve security, scalability, and developer productivity.

Volunteer senior developer to design, build, and maintain a cross-platform medical scheduling app (web, iOS, Android). Participate across the full development lifecycle: design, coding, testing, CI, deployments, code reviews, production support, incident management, and platform architecture. Attend weekly standups and commit at least four hours per week.

SitusAMC is seeking a Platform Engineer Contractor to support their clients and contribute to transformative projects within the Real Estate Industry. Responsibilities include collaboration, advocacy, and participation in training as needed.

The Staff Platform Engineer will design and implement a new observability stack, ensuring high performance, scalability, and reliability of systems for metrics, logs, and tracing.

The Senior/Staff Platform Engineer at Runway will build scalable systems and infrastructure, improve collaborative products, and foster team growth.

The Senior Software Development Engineer will design and build backend services for the GenAI Platform, integrating AI-driven capabilities and ensuring secure, scalable solutions while collaborating with other teams.

Design, build, and operate scalable, secure data platform infrastructure for ingesting, processing, cataloging, and accessing petabytes of data. Improve Spark/Databricks reliability and developer experience, build ingestion/replication systems, develop internal libraries and tooling (Go/Python), and collaborate with cross-functional teams to support analytics, ML, and customer-facing data products.

Lead Salesforce and billing platform engineering with an emphasis on AI-driven automation. Build scalable Salesforce solutions (Apex, Flow, LWC), pilot LLM/agent workflows, modernize CI/CD and test automation, support Quote-to-Cash and billing processes, collaborate across product and finance, drive technical debt reduction, and mentor junior engineers.

Lead development and technical guidance for Power Platform solutions, integrating Canvas PowerApps, Power Automate, .NET/React UI, Azure DevOps, Azure Functions, Dataverse, PowerBI and relational databases. Liaise with business stakeholders and offshore teams, perform unit testing and code reviews, improve productivity using Copilot/Vibe, and participate in SAFe ceremonies and delivery activities.

Manage and evolve enterprise-scale API Gateway integration platforms, implement IAC and AWS-based infrastructure, ensure observability and reliability, mentor engineers, lead platform enhancements, drive SRE practices (SLOs/SLIs), perform debugging/testing, and produce operational documentation.

Design and build a scalable Internal Developer Platform (IDP) using Kubernetes and cloud-native services, improve CI/CD and DX, enforce platform governance and security, lead MLOps/LLM infrastructure, mentor engineers, and align platform roadmap with product goals.

Senior Windows-focused Platform Engineer responsible for administering Windows server environments, supporting IBM FileNet/DataCap/BAW/ICN applications, ensuring security and performance, implementing monitoring, troubleshooting production issues, documenting systems, and collaborating with internal teams and clients to improve platform stability and processes.

Design, build, and maintain Salesforce applications and integrations to support institutional sales, billing, and compliance. Own end-to-end feature delivery, collaborate with product and business stakeholders, ensure engineering quality through reviews and documentation, mentor junior engineers, and support operations via on-call rotations and incident triage.

The Staff Platform Engineer will lead the architecture, development, and scaling of API-based transaction processing systems, ensuring reliability and performance while mentoring other engineers.

Design, implement, automate, and operate scalable AWS infrastructure and Databricks platforms for large-scale analytics. Build IaC (Terraform/AWS CDK), CI/CD pipelines, platform governance, security, monitoring, and cost optimization. Partner with data engineering teams to enable reliable ETL/ELT pipelines, manage Databricks workspaces/clusters, and troubleshoot platform issues while establishing reusable DevOps practices.

The Platform Engineer SkillBridge intern will support the development and deployment of cybersecurity applications in a Kubernetes environment, contributing to product strategy and innovation while guiding junior engineers.

Build and improve Stitch Fix's cloud-native platform and developer tooling. Develop IaC, CI/CD, containerized workflows, and automation to improve deployment reliability and developer experience. Collaborate with engineers, debug systems, and explore LLM-powered tooling under mentorship.

Design and develop robust, scalable software for a cloud-based AI platform. Collaborate with teams, improve platform functionality, and evaluate new technologies.

As a Senior Atlassian Platform Engineer, you will administer and support Jira and Confluence platforms, automate tasks, troubleshoot issues, and collaborate with various teams to enhance performance and stability.

The Lead Platform Engineer will design architecture, manage CI/CD pipelines, write IaC, and lead a team in developing cloud-native platforms while integrating AI tools and mentoring engineers.

CapTech seeks a Senior SaaS Platform Engineer to manage, improve, and evolve enterprise application ecosystems, driving automation and security initiatives while mentoring junior engineers.

Lead design and implementation of the PSA Liquidity Platform connecting buyers and sellers. Build buyer tooling, matching/ranking engines, and seller experiences. Architect and operate microservices and Kafka-driven systems on Kubernetes/AWS, instrument observability, apply AI tooling across the SDLC, and drive cross-functional delivery from 0-to-1 while owning end-to-end outcomes.

Lead and architect enterprise Kubernetes platforms (EKS/GKE), automate resource management and scaling (Karpenter, ScaleOps), implement IaC and CI/CD, apply FinOps to optimize cost, improve observability, mentor engineers, and drive platform resilience and operational excellence.

Platform Engineer responsible for building and securing cloud-native platform infrastructure. Work includes IaC, Kubernetes cluster build/maintenance (EKS/RKE2), CI/CD and GitOps automation, secure coding and vulnerability remediation, mentoring engineers, and coordinating application-to-platform integrations for DoD/Navy environments.

Lead platform reliability for a high-volume OMS: drive automation, self-healing, observability, incident management, RCA, performance tuning, and mentor support engineers while partnering with engineering and vendors.