Api Engineer Jobs in Illinois
Api Engineer jobs in Illinois are in strong demand, concentrated in financial technology, enterprise software, healthcare IT, and logistics technology sectors, with openings at every level from junior developer through principal and staff engineer. Chicago anchors the market as one of the most active hiring metros in the Midwest, with Schaumburg and Naperville adding significant suburban volume where major tech campuses and corporate headquarters operate. Well-established Illinois employers such as Morningstar, Zebra Technologies, and Allstate regularly hire api engineers across integration, cloud platform, and microservices specializations. Find a role that fits below and apply directly.
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Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors who solve real problems and meet real customer needs. We are seeking Full-stack Software Engineers who are passionate about leveraging cutting-edge open source frameworks and emerging technologies. In this role, you’ll be at the forefront of driving a major transformation across Capital One.
The Cloud Operations Resilience Engineering (CORE) Technology division is responsible for enabling and evolving Capital One’s foundational cloud infrastructure layer, including observability, connectivity, resilience and availability.
What You’ll Do:
- Lead a portfolio of diverse technology projects and a team of developers with deep experience in distributed microservices, and full stack systems to create solutions that help meet regulatory needs for the company
- Share your passion for staying on top of tech trends, experimenting with and learning new technologies, participating in internal & external technology communities, mentoring other members of the engineering community
- Collaborate with digital product managers, and deliver robust cloud-based solutions that drive powerful experiences to help millions of Americans achieve financial empowerment
- Utilize programming languages like Java, Scala, Python, Go, Node.js, JavaScript and TypeScript, Open Source RDBMS and NoSQL databases, Container Orchestration services including Docker and Kubernetes, and a variety of AWS tools and services
- Provide technical leadership and direction across Agile teams, setting standards for design, development, and operational excellence
- Partner with architects to define service boundaries, integration patterns, and reusable frameworks
- Proactively identify areas for improvement, implementing targeted refactoring and contributing to efforts that reduce technical debt and enhance system performance
- Influence long-term technology strategy through evaluation of emerging tools and practices in a ‘you build it, you own it’ environment
Basic Qualifications:
- Bachelor's Degree or higher in Computer Science or a related quantitative field (Statistics, Economics, Operations Research, Analytics, Mathematics, Engineering)
- At least 4 years of experience in software engineering (Internship experience does not apply)
- At least 2 years of experience with public cloud platforms (AWS, GCP, Azure), cloud-based productivity tools, or virtualization technologies
Preferred Qualifications:
- Master’s Degree in Computer Science or a related field
- 7+ years of experience coding with more than two of the following: Go, Java, JavaScript/TypeScript, Python, Rust, C#, Scala
- 3+ years of experience with database and database management systems
- 3+ years of experience with AWS, GCP, Azure, or cloud-based productivity tools or virtualization technologies
- 4+ years of experience contributing to open source frameworks
- 3+ years of experience with front-end JavaScript or TypeScript frameworks
- 4+ years of experience creating synchronous and asynchronous APIs
- 3+ years of experience with CI/CD pipelines, infrastructure as code, and automated testing frameworks
- 3+ years of experience using Git-based version-control systems (e.g., Git, GitHub, Bitbucket)
- 3+ years of experience troubleshooting technical issues within cloud environments
- Experience leveraging modern AI-based coding tools and IDE copilots
- 1+ year of experience mentoring engineers and driving professional development within technical teams
- 1+ year of experience leveraging observability to identify and optimize performance bottlenecks in distributed systems
- Experience with interactive AI tooling to accelerate productivity, utilizing capabilities beyond basic code completion
- Experience leading cross-functional engineering efforts or large-scale technical initiatives
- Experience establishing and enforcing coding standards and design patterns across teams
At this time, Capital One will not sponsor a new applicant for employment authorization, or offer any immigration related support for this position (e.g. H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, E-3, and O-1, or any other forms of work authorization that require immigration support from an employer).
The minimum and maximum full-time annual salaries for this role are listed below, by location. Please note that this salary information is solely for candidates hired to perform work within one of these locations, and refers to the amount Capital One is willing to pay at the time of this posting. Salaries for part-time roles will be prorated based upon the agreed upon number of hours to be regularly worked.
Riverwoods, IL: $179,400 - $204,700 for Full-stack Engineer 4
Candidates hired to work in other locations will be subject to the pay range associated with that location, and the actual annualized salary amount offered to any candidate at the time of hire will be reflected solely in the candidate’s offer letter.
Capital One offers a comprehensive, competitive, and inclusive set of health, financial and other benefits that support your total well-being. Learn more at the Capital One Careers website. Eligibility varies based on full or part-time status, exempt or non-exempt status, and management level.
This role is expected to accept applications for a minimum of 5 business days. No agencies please. Capital One is an equal opportunity employer (EOE, including disability/vet) committed to non-discrimination in compliance with applicable federal, state, and local laws. Capital One promotes a drug-free workplace. Capital One will consider for employment qualified applicants with a criminal history in a manner consistent with the requirements of applicable laws regarding criminal background inquiries, including, to the extent applicable, Article 23-A of the New York Correction Law; San Francisco, California Police Code Article 49, Sections 4901-4920; New York City’s Fair Chance Act; Philadelphia’s Fair Criminal Records Screening Act; and other applicable federal, state, and local laws and regulations regarding criminal background inquiries.If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation, please contact Capital One Recruiting at 1-800-304-9102 or via email at RecruitingAccommodation@capitalone.com. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations.
For technical support or questions about Capital One's recruiting process, please send an email to Careers@capitalone.com
Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site.
Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC).
See All 5 Api Engineer Jobs in Illinois
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Find Api Engineer JobsApi Engineer Jobs by City in Illinois
Where Illinois roles are concentrated, by current openings.
Api Engineer Job Market in Illinois
A snapshot from current Illinois openings, updated as new roles post.
Who's Hiring



Top Industries Hiring
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What Illinois Employers Look For
The qualifications that appear most often in api engineer jobs across Illinois.
- Bachelor's degree in Computer Science, Software Engineering, or a related technical field
- Demonstrated experience designing and building RESTful or GraphQL APIs at production scale
- Proficiency in at least one backend language such as Java, Python, Node.js, or Go
- Familiarity with API gateway tools, authentication protocols like OAuth 2.0, and OpenAPI documentation
- Experience working within CI/CD pipelines and cloud environments such as AWS, Azure, or GCP
- Strong written communication skills for technical documentation and cross-team collaboration
Api Engineer Jobs in Illinois: Frequently Asked Questions
How do you become a api engineer in Illinois?
There is no state-issued license required to work as an api engineer in Illinois. The typical path starts with a bachelor's degree in computer science or a related field, though employers at Chicago-area fintech firms and enterprise software companies also recognize coding bootcamp graduates with strong portfolios. Earning a vendor certification in AWS, Azure, or a major API management platform strengthens candidacy considerably with Illinois employers who rely heavily on cloud-integrated architectures.
How much do api engineers make in Illinois?
Api engineers in Illinois earn a median of about $132,110 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $80,980 for the lowest 10% to over $194,740 for the top 10%. Pay rises with experience, specialty, and employer.
Which companies hire api engineers in Illinois?
Employers hiring api engineers in Illinois right now include IMEG, AbbVie, and Capital One, based on current listings on Migrate Mate as of October 2026. Illinois's dense concentration of financial services, insurance, and logistics technology companies means api engineers here frequently work on high-volume transaction systems and enterprise integration projects.
Which Illinois cities have the most api engineer jobs?
Chicago, Riverwoods, and Rock Island have the most api engineer openings in Illinois. Chicago drives the bulk of demand through its large fintech, consulting, and enterprise software employer base, while Schaumburg and Naperville draw significant hiring from corporate technology campuses and regional headquarters of companies like Motorola Solutions and Zurich North America that require dedicated integration engineering teams.
Are there remote api engineer jobs in Illinois?
Yes, and more than most fields. Api engineering is a desk-based, code-centric discipline that adapts well to remote work. About 100% of api engineer openings tied to Illinois are remote or hybrid as of October 2026, reflecting how broadly distributed development teams have become. Roles focused on third-party integrations, developer platform work, and API design tend to offer the most location flexibility compared to roles tied to on-site infrastructure teams.
How can I get hired as a api engineer in Illinois with little or no experience?
The most realistic entry path is landing a junior software developer or backend developer role and building API work into your responsibilities from day one. Large Illinois employers such as Accenture's Chicago offices and Discover Financial Services run associate developer programs that place new graduates into integration-focused teams. Building a public portfolio on GitHub that demonstrates REST API design, authentication handling, and documentation makes a measurable difference when competing for entry-level openings at Illinois-based fintech and insurance technology employers.
Where can I find and apply to api engineer jobs in Illinois?
You can find and apply to api engineer jobs in Illinois on Migrate Mate, which lists current Illinois openings updated regularly. Find roles that match your experience and specialization, then apply directly to each employer through the listing. No account creation is required to search and apply.
See All 5 Api Engineer Jobs in Illinois
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