API Jobs in Wisconsin

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721 - 740 of 1,753 Jobs

Senior- Principal Solution Engineer - C#/.NET

American Electric Power

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Remote or Columbus, Ohio, USA

Full-time

Job Posting End Date 07-31-2025 Please note the job posting will close on the day before the posting end date Job Summary Part of a larger team delivering high quality technology solutions to the business. Design, develop and install software solutions. Build high-quality, innovative and fully performing software in compliance with internal architecture, development & design standards & best practices. Design, modify, develop, write, implement and troubleshoot software programming applications.
Posted 1 day ago | Updated 12 hours ago

Sr., Java Developer

OpTech

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Remote

Contract

OpTech is seeking for strong Java Developer role for one of their Direct Clients. 100% Remote role. Contract Duration - 5 months. Only W2/No C2C Required Skills: Strong backend Java developer with JDBC/SPRING/SPRINGBOOT/SPRINGBATCH JAVA/J2EE Why work at OpTech? OpTech is a woman-owned company that values your ideas, encourages your growth, and always has your back. When you work at OpTech, not only do you get health and dental benefits on the first day of employment, but you also have training o
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Posted 60+ days ago | Updated 28 days ago

Senior Software Development Engineer

CVS Health

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Remote or Hartford, Connecticut, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 60+ days ago | Updated 12 hours ago

VP, Sr. Fullstack Developer (Apps Dev Tech Lead Analyst )- C13 - TAMPA

Citi

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Remote or Tampa, Florida, USA

Full-time

Job Description The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary sys
Posted 60+ days ago | Updated 12 hours ago

AVP, Full Stack Developer (Applications Development Sr Programmer Analyst) - C12 - TAMPA

Citi

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Remote or Tampa, Florida, USA

Full-time

Job Description The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Responsibilities: Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology
Posted 60+ days ago | Updated 12 hours ago

AVP, Fullstack Developer (Applications Development Sr Programmer Analyst) - C12 - TAMPA

Citi

•

Remote or Tampa, Florida, USA

Full-time

Job Description The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Responsibilities: Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology
Posted 60+ days ago | Updated 12 hours ago

Technical Cloud Architect - Application Modernization

Northern Trust

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Remote or Chicago, Illinois, USA

Full-time

About Northern Trust: Northern Trust, a Fortune 500 company, is a globally recognized, award-winning financial institution that has been in continuous operation since 1889. Northern Trust is proud to provide innovative financial services and guidance to the world's most successful individuals, families, and institutions by remaining true to our enduring principles of service, expertise, and integrity. With more than 130 years of financial experience and over 22,000 partners, we serve the world'
Posted 55 days ago | Updated 12 hours ago

IT Lead Auditor

M&T BANK CORPORATION

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Remote or Buffalo, New York, USA

Full-time

** Work Arrangement: This is a hybrid position requiring in-office work multiple days every week and will ideally be based in Buffalo, NY. Overview: This position is responsible for executing internal audit examinations over the Bank's Information Technology (IT) Engineering, Operations, Governance, Risk Management, and Architecture functions ensuring the timely and professional execution of the examinations in accordance with professional standards. Primary Responsibilities Plan, coordinate an
Posted 60+ days ago | Updated 12 hours ago

Sr. Full Stack Engineer, Node.js

iSpace, Inc

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Remote

Contract

Sr Full Stack Engineer Client Location: Los Angeles, California Duration: 12 Months Contract (No c2c, 1099 or 3rd party vendors) 100% remote Overview: Responsibilities: The client technology team is looking for a technical skilled, highly motivated, and self-driven Senior Full-stack Software Engineer to join a growing team. You'll be joining other driven technologists trying to solve some of the industry's most difficult issues. The team that you would be part of works closely with our product
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Posted 60+ days ago | Updated 8 hours ago

Sr., Python Developer (NO C2C/NO SPONSORSHIP)

OpTech

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Remote

Contract

OpTech is seeking for strong Python Developers for one of their direct clients. Duration - 6 months 100% remote within US. REQUIRED EXPERIENCE: Related Bachelor s degree or related work experience 5+ years related work experience, professional experience with technical design and coding in the IT industry Must have experience developing back-end processes and API services using Python Excellent understanding of RESTful Architecture style. Excellent understanding of Python programming mode a
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Posted 60+ days ago | Updated 28 days ago

Senior DevOps Engineer Kubernetes | AWS | Terraform | CI/CD *** Direct client ***

Projas Technologies, LLC

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Remote

Contract, Third Party

Your primary focus will be on building, consolidating and migrating Kubernetes workloads. Collaborating closely with Platform Engineers, Architects, and Developer Experience Advocates, you will play a crucial role in designing, implementing, and maintaining the technical infrastructure that supports our applications and services. This position requires technical expertise, self-motivation. You will lead efforts inKubernetes workload migration,AWS infrastructure consolidation, andplatform automat
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Posted 60+ days ago | Updated 23 days ago

Linux Systems/Elastic & Application Support Engineer

InfoVision, Inc.

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Remote

Contract

We are looking for Application Support Engineer with our direct client. Title:Linux Systems/Elastic & Application Support Engineer Duration: 12 months Location: Remote Job Description: Our Global Technology Solutions group is looking for a Senior Systems & Software Engineer to lead and collaborate with portfolio teams across all LOBs to support a framework that combines engineering and application development to drive operational stability. The ideal candidate will collaborate with the core t
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Posted 60+ days ago | Updated 30 days ago

,Net Developer with Medicaid Experience

Millennium Software, Inc.

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Remote

Full-time

Hi, We are looking for an .Net Developer on W2 . Its an Onsite role.
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Posted 60+ days ago | Updated 31 days ago

Portkey SME

Enexus Global

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California, USA

Contract, Third Party

Job Title: Portkey SME Location: Remote Description:- Exp: 8+ W2 / C2C Key Responsibilities: Design and implement API routing, rate limiting, and observability using Portkey. Configure and manage authentication mechanisms such as OAuth2, API keys, mTLS, and JWT. Integrate Portkey 2+ years of experience with Portkey or similar API platforms (e.g., Kong, Apigee, AWS API Gateway)
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Posted 2 days ago | Updated 9 hours ago

Android Developer

Ab Ovo Inc

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Remote or Sunnyvale, California, USA

Full-time, Third Party

Must have skills: - Android Development - expert - Kotlin - expert- MVVM architecture - expert - GraphQL (aka GQL) - expert for interacting with the backend systems- REST API experience as some of the Android code still interacts with REST APIs but most of it is now using GQL.
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Posted 6 days ago

.Net Developer (W2 Position)

Primesoft, Inc

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Remote or Piscataway, New Jersey, USA

Contract

Role: .Net Developer (W2 Position) Location: Piscataway, NJ Experience:8+ years Job Description: Excellent C#skills with an in-depth knowledge of the.NET Framework, and .NET Core, .Net MVCSolid understanding of RESTful API development and JSON (Web API)Experience with Microsoft Azure, Microsoft SQL Server and SQLExperience in ASP.NetHands-on coding experience with .NET-- Thanks & Regards, RaviKiran ravikiran(dot)m(at)primesoftinc (dot)com
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Posted 2 days ago | Updated 2 days ago

UI developer Remote Location

Sierra Business Solution LLC

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Remote

Contract, Third Party

Job Description: >> React 16+ >> Redux or Mobx store management >> Node.js >> Typescript >> ES6 >> CSS3 >> CSS Reprocessors >> Grid layout knowledge >> Rest API implementations >> Jest Test 10+ years of IT experience Requirements: >> Strong knowledge of security best practices for connecting UI applications to APIs >> Experience with implementing scalable applications and ability to understand and explain end-to-end integrations between modulesapplications in a complex system
Posted 1 day ago

Google Cloud Platform Test Automation Engineer

Kodeva LLC

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Remote

Contract, Third Party

Role: Google Cloud Platform Test Automation Engineer Location :Remote Duration: 6- 12 Months Key Skills: Google Cloud Platform Test Automation, CI/CD, API & UI testing automation Required Qualifications 5+ years of experience in test automation and software quality assurance, with a focus on API testing including the following. Proven experience designing and implementing automation frameworks using industry-standard tools. Strong programming skills (Python, Java, etc. ). Experience with cloud
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Posted 14 days ago | Updated 1 day ago

Sr Python + Golang Developer

Zettalogix INC

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Remote

Contract, Third Party

Minimum 8+ Years of experience with API Development.PythonGolangAWSJava
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Posted 7 days ago

AI Engineer

Biztec Global LLC

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Remote

Contract

Role: AI Engineer Location: Remote Contract 3 experienced engineers (likely senior-level) to contribute to AI-focused backend development. The ideal candidates should: Must Have: 7+ years of development experience, especially in PythonFamiliarity with Flask (for building APIs), PostgreSQL, Redis, and Google Cloud (Google Cloud Platform)Experience (or willingness to ramp up) with modern AI/ML tools, including:Vertex AIGemini API (Google s large language model)Agentic workflows (AI agents that ca
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Posted 6 days ago | Updated 6 days ago