109 api engineer jobs at 65 companies in Oconomowoc, WI
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Hopkins or Atlanta or Chicago or Charlotte or Englewood or Brookfield or Irving
$120k-$141k/yrHybridFull Time
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
5+ YOEBachelor's degree or equivalent and 5+ years relevant experience. Experience with mainframe/Hogan development (COBOL, JCL, CICS), APIs, system design, testing, security, and cross-team collaboration; Scrum familiarity.
Milwaukee ToolHong Kong Stock Exchange: 0669: Manufacturer of professional-grade power tools and jobsite solutions.
2+ YOEBachelor's in engineering, 2+ years in machine controls/automation, PLC/HMI programming, Python, industrial networking and data systems, project leadership, and ability to support equipment commissioning and supplier integration.
PLCs, HMIs, Python, OPC-UA, MQTT, SQL, APIs, data historians, edge devices, robots, vision, safety devices, laser systems, drives, Microsoft Office, Microsoft Project, Microsoft Power BI, Microsoft Visio
Duluth or Minneapolis or Saint Paul or Omaha or Nashville or Pittsburgh or Houston or Traverse City or Madison
$120k-$170k/yrHybridFull Time
Lake Superior Consulting: Technical engineering and integrity services for critical energy infrastructure.
10+ YOEBachelor's in Electrical Engineering, PE license, 10+ years electrical engineering experience, technical leadership, experience with SKM or ETAP, strong knowledge of NEC/NFPA/IEEE/API/AGA and industrial power systems.
Hands-on experience implementing enterprise API and event-driven integrations, knowledge of JSON/XML/data mapping, OAuth/OpenID Connect, AWS, and ability to lead technical discovery and communicate with stakeholders.
REST, JSON, XML, OAuth, OpenID Connect, Amazon Web Services (AWS), Boomi, MuleSoft, EDI, .NET
InsperityNew York Stock Exchange: NSP: Provides human resources and business performance solutions to businesses.
5+ YOEBachelor's or equivalent experience, 5+ years in software/ML/AI engineering, advanced Python and API skills, experience with large-scale data platforms and LLM systems, familiarity with AI orchestration frameworks, strong communication.
FiservNew York Stock Exchange: FI: Provides financial technology solutions for merchants and financial institutions.
2+ YOEBachelor's degree in Engineering or related field; 2 years in cybersecurity with WAF, IAM, vulnerability management, API security, PCI infra, IaC, cloud, SSL/IPsec VPN.
Radware, Cloudflare, F5 ASM, Cloud Identity and Access Management, Vulnerability management, CVE triage, OWASP Top 10 API vulnerabilities, GCP IAM, Infrastructure as Code, SSL, IPsec VPN
Sentry Insurance: Provides commercial insurance, life insurance, and retirement plans.
2+ YOEBachelors required; minimum 2 years data engineering experience. Proficiency with Microsoft .NET, C#, REST API, JavaScript, ASP.NET MVC, SQL Server, Visual Studio/VS Code/SSMS, Git, Postman, Bootstrap, AutoMapper; agile and software design principles.
Microsoft .NET, C#, REST API, JavaScript, ASP.NET MVC, HTML, CSS, SQL Server, Microsoft Visual Studio, Microsoft Visual Studio Code, Microsoft SQL Server Management Studio, Git, Postman, Bootstrap, AutoMapper
Recovery.com: Matches patients with mental health and addiction treatment centers.
10+ YOE10+ years professional software engineering experience; deep TypeScript/full-stack expertise; proven architecture, API, scalability, and reliability experience; strong communication and mentorship skills.
Integration Developer - Integrations, Data & AI Solutions
Pewaukee, Wisconsin, United States
HybridFull Time
Boelter: Designs commercial kitchens and supplies professional foodservice equipment.
3+ YOE3+ years software/integration or data engineering experience; hands-on enterprise integrations, APIs, databases, middleware, EDI; familiarity with SAP, Microsoft Fabric, Power BI, SQL, ETL/ELT; strong communication and AI curiosity.
SAP, Microsoft Fabric, Cleo Integration Cloud, Microsoft Power BI, SQL, ETL/ELT, EDI, APIs
AccentureNYSE: ACN: Global provider of management consulting and technology services.
1+ YOE1+ year IT/application support experience; familiarity with parts/inventory/order management or supply chain processes; basic SQL, APIs, batch processing knowledge; experience with ticketing tools.
ServiceNow, Remedy, Jira Service Management, SQL, APIs
Baker Tilly: Provides audit, tax, and consulting services to business clients.
3+ YOEBachelor's in CS/IT or equivalent; 3+ years in cloud apps (AWS); AI/Agent-based solutions; API data integration; Python/JavaScript; AWS containers/serverless; experience with AI tools; US work authorization.
Pleasant Prairie or Milwaukee or Waukegan or Glenview or Kenosha
OnsiteFull Time
Uline: Distributes shipping, industrial, and packaging materials across North America.
10+ YOEBachelor's or equivalent, 10+ years IT experience, familiarity with ServiceNow/Flexera One/HP Service Manager/BMC Atrium, scripting with PowerShell/Python/SQL/APIs, strong analytical and problem-solving skills.
ServiceNow, Flexera One, HP Service Manager, BMC Atrium, PowerShell, Python, SQL, APIs
Horace MannNYSE: HMN: Providing insurance and financial solutions to educators and their families.
7+ YOEBachelor's in CS/IT or equivalent, 7+ years software development experience, technical leadership experience, strong proficiency with Java, .NET, SQL, DB2, SSIS, C#, COBOL, APIs; DevOps/CI/CD and AI experience preferred.
Delta Defense: Provides operational support and insurance for the USCCA.
3+ YOE3+ years MarTech/marketing operations experience; HS diploma required, bachelor’s preferred; authorized to work in the U.S.; working knowledge of JSON, dataLayer/event schemas, Regex, Liquid, HTML/CSS, SQL, JavaScript, APIs/webhooks; experience with Braze, Segment, GTM, GA4, Salesforce, CMS, testing tools.
Alliant EnergyNASDAQ: LNT: Provides regulated electricity and natural gas services to customers.
3+ YOE3 years related experience; preferred bachelor's in IT; experience with React, APIs, Azure, Sitecore, integrations, Agile; apply AI and DevSecOps practices.
Northwestern Mutual: Provides life insurance and financial planning services to individuals.
5+ YOE5+ years in threat intelligence/hunting/detection engineering; strong scripting (Python), SIEM/EDR experience, REST API and automation skills, MITRE ATT&CK knowledge, ability to communicate technical findings.