Aon · 1 day ago
API Technologies Engineering Manager
Illinois, United States
Full-time
Onsite
Senior Level
$130K/yr - $150K/yr
7+ years expAon is in the business of better decisions, aiming to protect and enrich the lives of people around the world. As the Engineering Manager of the API group, you will lead a team to deliver scalable, high-quality API solutions, ensuring alignment with business needs and overseeing the entire API lifecycle.
ConsultingProfessional ServicesRisk Management
Responsibilities
Deliver new versions of core APIs, setting clear SLAs and SLOs while providing a structured deprecation path for legacy endpoints
Create and maintain golden paths for API development, including OpenAPI-first workflows, contracts, and reusable CI/CD templates
Standardize error handling and HTTP status codes, ensuring consistent use of correlation IDs and trace propagation for observability
Integrate non-functional requirements into delivery, performance metrics such as latency, availability, and throughput. Track adoption through usage key performance indicators
Lead capacity planning and load testing, applying resilience patterns like retries, idempotency, and circuit breakers, and conducting regular chaos testing
Responsible for client onboarding processes, leading API credentials, key rotation, rate limits, and quotas to ensure secure and efficient access
Coordinate change calendars and lead cross-team dependencies to keep multiple concurrent workstreams aligned
Ensure services remain audit-ready by maintaining strict access controls, change logs, data retention policies, and compliance evidence within delivery pipelines
Optimize infrastructure and resource costs by right-sizing compute, caching, and data storage while maintaining service levels
Champion team growth through regular one-on-one meetings, actionable feedback, collaborative sessions, and clear performance expectations
Qualification
Required
At least 7 years of software engineering experience, including 2+ leading API teams or delivery as a technical lead or engineering manager
Deep expertise in .NET 9 Core, with a strong understanding of modern API design and implementation
Advanced experience with Azure services, including API Management, AKS (Kubernetes), Azure SQL, Cosmos DB, Service Bus, and Event Hubs
Proficiency in OpenAPI/Swagger, schema governance, semantic versioning, and backward-compatibility strategies
Bake NFRs into DoD: p95/p99 latency, availability, throughput, startup time; track adoption and usage KPIs
Hands-on experience building and maintaining CI/CD pipelines in Azure DevOps (YAML), using trunk-based development, feature flags, and code ownership practices
Demonstrated ability to implement and manage robust testing strategies, including contract testing (such as Pact), performance testing (k6 or JMeter), mocks, stubs, and automated pipeline gates
Strong background in observability, including distributed tracing, RED/USE metrics, SLOs, error budgets, and burn-rate alerting
Proven experience delivering secure APIs, with practical knowledge of OAuth2, mTLS, threat modeling, and secrets management
Solid understanding of data fundamentals, including SQL modeling, indexing, idempotency, and event-driven patterns
Practical experience managing vendor relationships, setting measurable SLAs, and ensuring knowledge transfer through gated deliveries
Effective cross-team collaboration and communication skills, with the ability to align technical work with business objectives
Bachelor's degree in a technical field or equivalent professional experience
Preferred
Familiarity with infrastructure as code (Terraform), policy as code, and cloud cost optimization
Experience supporting partner or externally facing APIs, including developer portal management, quota enforcement, and monetization strategies
Understanding of compliance frameworks such as PCI or SOX, with experience maintaining audit-ready SDLC processes
Benefits
A 401(k) savings plan with employer contributions
An employee stock purchase plan
Consideration for long-term incentive awards at Aon’s discretion
Medical, dental and vision insurance
Various types of leaves of absence
Paid time off, including 12 paid holidays throughout the calendar year
15 days of paid vacation per year
Paid sick leave as provided under state and local paid sick leave laws
Short-term disability and optional long-term disability
Health savings account
Health care and dependent care reimbursement accounts
Employee and dependent life insurance and supplemental life and AD&D insurance
Optional personal insurance policies
Adoption assistance
Tuition assistance
Commuter benefits
An employee assistance program that includes free counseling sessions
Company
Aon
Aon is a global provider of risk management, insurance and reinsurance brokerage, human resources solutions, and outsourcing services.
10001+ employees
H1B Sponsorship
Aon has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (9)
2024 (19)
2023 (13)
2022 (1)
2021 (21)
2020 (6)
Funding
Current Stage
Public CompanyTotal Funding
$1.94BKey Investors
Citibank NABerkshire Hathaway
2023-10-24Post Ipo Debt· $1B
2021-05-17Post Ipo Equity· $942.6M
1987-01-01IPO
Leadership Team
Alejandro Galizia
CEO Latin America, AON
Andy Marcell
CEO Global Solutions
Recent News
Yahoo Finance
2026-01-05
Life Insurance International
2026-01-05
Company data provided by crunchbase