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  • Senior Node.js Backend Engineer - Scale APIs & Systems

    A leading technology firm is seeking a backend developer to join their Horizons team. You will build scalable systems and collaborate closely...  ...with Node.js and TypeScript, solid knowledge of REST APIs, and a self-starter mentality. This position offers flexible work... 
    Senior
    Flexible hours

    Medium

    Krakow, Oconto County, WI
    13 days ago

  • Senior Backend Developer - AWS Cloud & Enterprise APIs

    A leading technology company is seeking a backend developer to create reliable solutions for clients in manufacturing. The role requires...  ...developing applications, suggesting system improvements, and supporting APIs in an AWS cloud environment. The position mandates US... 
    Senior
    Permanent employment

    Sanmina-SCI Systems de México

    Madison, WI
    2 days ago

  • Senior Full-Stack Engineer Remote, AI-Driven Backend

    $145k - $160k

     ...A leading government IT firm is looking for a Senior Full Stack Developer to enhance VA.gov. The role involves backend development using Ruby on...  ...a Master's degree, and strong familiarity with AWS, OpenAI API integrations, and DevOps tools is preferred. This position... 
    Senior
    Remote work

    GovCIO

    Madison, WI
    5 days ago

  • Senior Software Engineer

     ...Genesis10 is currently seeking a Senior Software Engineer (API) for a contract position with a Major Financial Services Company located in Milwaukee...  ...the enterprise API tooling, governance automation, and developer experience platforms used by domain teams across the... 
    Senior
    Hourly pay
    Permanent employment
    Contract work

    Genesis10

    Milwaukee, WI
    5 days ago

  • Senior Full-Stack Engineer: Cloud-Native Microservices Lead

    A leading consulting firm is seeking a Full Stack Engineer with extensive Java experience. The role involves developing scalable APIs, collaborating with cross-functional teams, and leveraging new technologies within a cloud-first and agile environment. Ideal candidates... 
    Senior

    Accenture

    Oregon, WI
    1 day ago

  • Urban Legend: BACKEND ENGINEER (MID-SENIOR)

     ...engineer ready to level up or a solidly senior engineer looking for ownership and impact...  ...no layers in between. You will design, develop, and maintain the scalable backend services...  ..., relational databases (Postgres), REST API design, background job processing, and... 
    Senior
    Full time
    Local area
    Remote work

    Urban Legend

    Wausau, WI
    3 days ago

  • Senior Java Software Engineer - Milwaukee, WI

     ...Senior Java Software Engineer Location: Milwaukee, WI Duration: Full-time Rate: DOE US citizens, GC, EAD (H4, L2), E3 TN visa holders...  ...tools (Kubernetes, Docker) ~ Java 8+ ~ Spring Boot ~ REST API ~ Git ~ Gradle, JUnit, Mockito, Log4j/SLF4J ~ Docker ~... 
    Senior
    Full time
    Immediate start

    Staffing the Universe

    Milwaukee, WI
    5 days ago

  • Senior Full-Stack Engineer (Remote) - React/Rails, AI

    $110k - $120k

     ...GovCIO is seeking a Senior Full Stack Developer to design, build, and maintain features for VA.gov. This fully remote role requires strong skills in React, Ruby on Rails, and API development, with a salary range of USD $110,000.00 - USD $120,000.00 annually. The position... 
    Senior
    Remote work

    GovCIO

    Madison, WI
    1 day ago

  • Senior Fullstack Engineer Remote-first | | 150K - 180K a year + profit share

    $232.45k

     ...SerpApi is the leading solution to integrate search data into web applications. Our API scrapes search engines, solves CAPTCHAs, and keeps up with changing page layouts in one simple GET request. Our customers include Airbnb, Nvidia, Meta, Shopify, GrubHub and more. Responsibilities... 
    Senior
    Permanent employment
    Full time
    For contractors
    Work at office
    Remote work
    Worldwide
    Flexible hours

    Serp Api

    Wausau, WI
    3 days ago

  • Senior Full Stack Engineer - Remote

    $88 - $89 per hour

     ...Genesis10 is currently seeking a Senior Full Stack Engineer for a remote position with a Financial Services Organization. This is a 6+...  ...~ Solid backend skills (30-40%) with Java, Spring Boot, and API integration ~ Expertise with CI/CD, pipeline development, automated... 
    Senior
    Hourly pay
    Permanent employment
    Contract work
    Remote work

    Genesis10

    Appleton, WI
    1 day ago

  • Senior Software Engineer II

    $197.4k - $232k

     ...operations by defining SLOs/SLAs, strengthening observability, and participating in on-call as needed.Collaborate across teams to define APIs, integration points, and data models that keep the platform coherent and evolvable.Identify and drive platform and productivity... 
    Senior

    Confluent

    Madison, WI
    5 days ago

  • Senior Full-Stack Gen AI Engineer | AWS & RAG Expert

     ...Gen AI Engineer with over 7 years of experience, focused on Python and AWS infrastructure. The role involves building high-performance API services and integrating Generative AI technologies. Candidates should demonstrate expertise in DevOps, RAG pipelines, and the... 
    Senior

    Tiger Analytics

    Wausau, WI
    3 days ago

  • Senior Full-Stack Engineer

     ...global economy and the planet. The Role As a Senior Software Engineer, you'll play a pivotal role in developing and enhancing digital products that enable...  ...scalable systems, contributing across the stack-from APIs and infrastructure to user interfaces. This role... 
    Senior
    Temporary work
    Remote work
    Shift work

    newance

    Green Bay, WI
    4 days ago

  • Senior Software Engineer:AI/ML Applications (Full Stack)-Remote

    $185.1k - $198.6k

     ...What We Do We are looking for a hands‑on Senior Software Engineer to serve as the technical owner...  ...Hands‑On Engineering (Expected) Actively develop, test, and deploy production features across backend services, APIs, and UI integration. Provide maintenance of... 
    Senior
    Fixed term contract
    Local area
    Remote work

    First American

    Wausau, WI
    2 days ago

  • Senior .NET Developer

     ...C# Developer Apex Systems is looking for a C# Developer for a 4 month long contract in Madison, WI with the following skills: Position...  ...info for billing for OneNeck. Full Stack C# Developer: - Web API, Web Services, REST, WCF/Windows Communication Foundation - C# -... 
    Senior
    Contract work

    Software Technology Inc

    Middleton, WI
    5 days ago

  • Senior Back-End Developer

     ...Typical duties include analysis, planning, developing requirements documents, building...  ...capabilities and integrations, RESTful API development and modification, database management...  ...and internal value analysis including seniority and merit systems, as well as internal... 
    Senior
    Minimum wage
    Contract work
    Temporary work
    Work experience placement
    Remote work

    MAXIMUS

    Eau Claire, WI
    2 days ago

  • Senior Software Development Engineer

    $83.43k - $222.48k

     ...family and one community at a time. Position Summary The Senior Software Development Engineer will design, build, and support backend...  ...delivering secure, high-quality, cloud-native microservices and APIs, improving engineering and delivery practices, and partnering... 
    Senior
    Hourly pay
    Full time
    Temporary work
    Local area

    CVS Health

    Madison, WI
    5 days ago

  • Full-Stack Developer Senior

    $90.65k - $155.4k

     ...check on all new hires. Join Associated Bank as a Full-Stack Developer Senior to design and deliver high-impact web and mobile applications...  ...web applications aligned with enterprise architecture and API strategy. Lead development efforts on complex, high-impact... 
    Senior

    Associated Banc-Corp

    Milwaukee, WI
    5 days ago

  • Senior Salesforce CRM Developer

     ...Job Summary: The Senior Salesforce CRM Developer is responsible for application development around our Salesforce applications and part of a Global...  ...customizing, Lightning Components, programming with APEX APIs, APEX Triggers, Visualforce, Apex Data Loader etc.... 
    Senior

    Macpower Digital Assets Edge

    Waukesha, WI
    4 days ago

  • Senior Java Software Engineer

    Senior Java Software Engineer Job Location: Milwaukee, WI Key Technology: backend, Spring Boot, Kubernetes, Docker, Java 8+, REST API Job Responsibilities In this role, you will be required to participate in all stages of the software product development life cycle.... 
    Senior

    Highbrow LLC

    Milwaukee, WI
    1 day ago

  • Senior Android Application Developer

     ...direction of the Sr. Director of Electrical Engineering, the Senior Android Developer will lead the development of native Android applications...  ...deliver cohesive user experiences. • Integrate with fitness APIs (e.g., Google Fit, Health Connect), Bluetooth-enabled fitness... 
    Senior
    Full time

    Johnson Health Tech Companies

    Cottage Grove, WI
    1 day ago

  • Full-Stack Software Engineer (Medior to Senior) Engineering Salvus HQ

     ...core technical domains Front-End & Design Standards, Back-End & API, Security & Compliance, Database & Data Integrity, Performance &...  ...with the Tech Lead and propose practical engineering solutions. Develop clean, maintainable, and well-documented code aligned with... 
    Senior
    Local area
    Remote work

    Salvus Health

    Belgium, WI
    3 days ago

  • Senior Software Engineer

    $132k - $152k

    Senior Software Engineer The Role This Senior Software Engineer leads and works as an individual...  ...to leverage existing capabilities and APIs. Leading cross‑functional teams in the...  ...as a Software Engineer, Software Developer or a closely related field. Experience must... 
    Senior
    Full time

    Pearson

    Madison, WI
    4 days ago

  • Senior React Native Developer

     ...Because we're more than just designers, developers, and product strategists, we achieve results...  ...level! Position Description As a Senior Developer at Headway, you are client and...  ...planning for features end-to-end (mobile + API integration), documenting decisions as... 
    Senior
    Remote work

    Headway - Design & Development

    Green Bay, WI
    4 days ago

  • Senior Embedded Software Engineer-Innovation Team

     ...Senior Embedded Software Engineer Join Our Innovation Team: At Johnson Health Tech, we develop innovative fitness technology and connected products used by customers around the...  ...networking protocols such as TCP, UDP, or REST APIs • Experience with communication... 
    Senior
    Overseas

    Johnson Health Tech Companies

    Cottage Grove, WI
    1 day ago

  • Senior Salesforce Developer (Salesforce & Oracle CPQ)

     ...configuration and development) required. Experience with Apex, SOQL/SOSL, Lightning Web Components (LWC)/Aura, Visualforce, and Salesforce APIs. Experience with Salesforce Experience Cloud (Partner and User Communities). Ability to deliver enhancements within an... 
    Senior
    Temporary work
    Work at office
    Local area
    Remote work
    Flexible hours

    Badger Meter

    Milwaukee, WI
    2 days ago

  • Senior AI Engineer

    $142k - $191k

     ...professionals deliver value to clients. As a Senior RAG Engineer, you will play a pivotal...  ...Responsibilities Responsibilities: Design, develop, and optimize full-stack applications...  ...and generation Build and maintain APIs and microservices with monitoring and logging... 
    Senior
    Temporary work
    Local area
    Remote work
    Flexible hours

    Wipfli

    Milwaukee, WI
    5 days ago

  • Senior AI Engineer

     ...and marketing. Role Overview We are seeking a Senior AI Engineer to lead the technical design, development, and...  ...model providers ~ Advanced proficiency in: ~ Python ~ APIs ~ Cloud-native development (Azure preferred) ~ Experience... 
    Senior
    Full time
    Casual work
    Work at office

    MLG Capital

    Brookfield, WI
    5 days ago

  • Senior AI Agent Engineer

    $99.6k - $223.4k

     ...Description Oracle Health is seeking a Senior AI Agent Engineer to build production AI...  ...able to work across prompts, tools, code, APIs, structured outputs, validation, and...  ..., and existing engineering workflows. Develop structured tool-calling patterns, validation... 
    Senior
    Temporary work
    Flexible hours

    Oracle

    Madison, WI
    1 day ago

  • Senior Platform Engineer - Kubernetes - remote

    $140k - $170k

     ...technologies).CI/CD & Deployment Automation: Develop advanced pipelines (Azure DevOps, GitHub...  ...tools to enable automated scaling of APIs in the cloud.Programming & Automation: 6+...  ...guidelines, position eligibility and SitusAMC Senior Management approval. SitusAMC offers PTO... 
    Senior
    Full time
    Local area
    Remote work

    SitusAMC

    Madison, WI
    3 days ago