81 api engineer jobs at 43 companies in West Allis, 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
Principal Peptide Process Engineer, Research Scientist II
North Chicago, Illinois, United States
$142k-$269k/yrOnsiteFull Time
AbbVieNYSE: ABBV: Develops and sells innovative pharmaceutical and biopharmaceutical medicines.
Degree in chemical engineering or related field with significant industry experience (varies by degree), expertise in peptide/API process development, technical leadership, and cross-functional collaboration.
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
Henry Broch & Co: Provides food ingredient processing, custom blending, and contract packaging services.
Lead ERP implementation and support, configure integrations and middleware, administer Linux and databases, write SQL, mentor technical staff; bachelor's in related field preferred.
SQL, MySQL, Microsoft SQL Server, Systemd, Cron, OpenSSH, Common Lisp, Python, Go, Power BI, ERP, APIs, middleware, AI-assisted coding tools
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
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
Rockwell AutomationNYSE: ROK: Sells industrial automation hardware and digital manufacturing software solutions.
Bachelor's degree, legal US work authorization, experience with Logix/FactoryTalk platforms, cloud/edge integrations, APIs/microservices, JavaScript/TypeScript or C#/.NET.
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.
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.
Alegeus: Provides technology platforms for managing healthcare benefit accounts.
3+ YOE3+ years building applied AI/automation/internal tools; experience with ChatGPT, Microsoft Copilot, APIs, and structured data; strong prototyping, productization, and cross-functional collaboration; Bachelor's in related field or equivalent experience.
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
8+ YOE8+ years experience developing and integrating Windchill modules using Java and Windchill APIs; CI/CD knowledge; technical design and documentation skills; bachelor's in computer science.
Direct Supply: Supplies equipment and technology to senior living communities.
5+ YOEBachelor's in IT/CS required, 5+ years in infrastructure or systems engineering focused on collaboration and identity; deep Microsoft 365 and Entra ID/Azure AD expertise, PowerShell and Python scripting, Graph API, AI/Copilot integrations, and automation experience.
Microsoft 365, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Microsoft Entra ID, Microsoft Copilot, ChatGPT, Microsoft PowerShell, Microsoft Power Automate, Microsoft Graph API, Python, Workday
Allspring Global Investments: Provides global asset management and investment advisory services.
3+ YOEBachelor's degree and 3+ years Python development experience; experience with APIs, data processing (Pandas/NumPy), SQL, FastAPI, cloud/AWS, CI/CD, testing, and Agile delivery; must be authorized to work in the U.S.
Python 3.10+, Pandas, NumPy, Matplotlib, Plotly, Bokeh, Streamlit, PostgreSQL, Microsoft SQL Server, Snowflake, FastAPI, Swagger/OpenAPI, Postman, AWS ECS, AWS EC2, AWS Lambda, AWS IAM, pytest, Git, Jenkins, Docker, Kubernetes, Microsoft Power Platform, Power BI, Dataverse, SQL