Jobs in the United States

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Added 7 hours ago
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Senior Staff Software Engineer
SewerAI Corporation
Remote, United States
- $160,000 to $180,000 USD / year
- API Development: Design and implement scalable TypeScript APIs serving municipal agencies and contractors
Added 7 hours ago
ETL Engineer / Data Scientist (TS/SCI)
Vantor Services Inc.
Herndon, VA
Integrate systems and services using APIs, including developing and troubleshooting API calls and data exchanges.
Added 7 hours ago
RU
Sr Python DevOps Engineer 49045
Randstad USA
Remote, United States
- $75 to $90 USD / hour
Client is looking for an experienced Senior DevOps Python Developer to own end-to-end development of back-end services and automation. The role covers Python back-end development with…
Added 7 hours ago
RU
Senior Java Developer
Randstad USA
Madison, WI
- $60 to $70 USD / hour
We are seeking a highly skilled and experienced Senior Java Developer with strong hands-on expertise in Java, Spring framework/Spring Boot, Messaging Queues, Caching and Angular to join our…
Added 7 hours ago
JH
Full Stack Software Engineer - Advanced Visualizations
Johns Hopkins Applied Physics Laboratory
Laurel, MD
- $100,000 USD / year
Experience working with database technologies: SQL/NoSQL, RESTful API
Added 7 hours ago
Senior Application Analyst - Epic Client Systems Administrator (Remote)
Vanderbilt University Medical Center
Nashville, TN
API experience with Interconnect - testing and calling Interconnect services (e.g., REST/FHIR)
Added 8 hours ago
WD
Principal Data Engineer
Walt Disney Attractions Technology LLC
Orlando, FL
- $159,800 to $214,200 USD / year
Architect, build, and scale full stack data applications: UI, API, & AI
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AI Solutions Engineer
UWMSN University of Wisconsin Madison
Remote, United States
Evaluate and recommend technologies that improve platform capabilities, operational efficiency, security, and developer experience
Added 8 hours ago
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Core4ce Careers
Remote, United States
Configure and maintain protections for common web application and API attacks, including:
Added 8 hours ago
A
Firmware Engineer
Actalent
Carlsbad, CA
- $32 to $37 USD / hour
Experience with Wireshark, protocol analyzers, or API testing tools (Postman).
Added 8 hours ago
AI Software Engineer, App Intelligence
Apple
Cupertino, CA
Excellent communication skills, with experience collaborating across different technical teams and driving alignment on shared API surfaces.
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Software Engineer
Zwift
Remote, United States
Help establish a supported web-platform foundation, including rendering and caching strategies, CDN behavior, API access patterns, CI/CD, observability, automated testing, and…
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Mayo US
Rochester, MN
Proficiency in Java and/or .NET for backend development, including API / service design and implementation.
Added 8 hours ago
HR Data Analyst
J.E. Dunn Construction Group Inc P
Kansas City, MO
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Sr Cyber Engineer
HealthEquity
United States
…usage and cost visibility, and credential protection. Provider API keys live in a secrets vault, never in source code, configuration files, or…
Added 8 hours ago
IG
Sr Salesforce QA (INTL - Eastern EU)
Insight Global
Remote, United States
- From $31 USD / hour
Plan and run performance and load testing for key user flows, integrations, and large data volumes, and flag issues with page load times, governor limits, and API limits
Added 8 hours ago
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Software Engineer II
Aspirion
Columbus, GA
- $100,000 to $138,000 USD / year
Familiarity with modern software design patterns, microservices architecture, and RESTful API development
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Senior QA Analyst
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Remote, United States
Proven experience designing and executing tests across web and API layers - including UI validation, regression, integration, and exploratory testing.
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Global Payment Holding Company
COLUMBUS, GA · ALPHARETTA, GA · CHARLOTTE, NC
…interface (UI) components like application program interface's (API's), representational state transfer API (RESTful API), and web services similar to the end user to develop frameworks for…
Added 8 hours ago
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Senior Software Engineer – Mission Applications & Command and Control
Four Sea Group, Inc.
Aurora, CO
- $140,000 to $232,000 USD / year
Experience defining API schemas, deployment standards, reusable architecture patterns, or common technical approaches.
Added 8 hours ago
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Senior Fuels Technical Specialist
BBCH
San Antonio, TX · Knoxville, TN
- $130,000 to $150,000 USD / year
Experience with API 653 / API 570 Tank and Piping inspection Standards
Added 8 hours ago
B
Senior Fuels Technical Specialist
BBCH
San Antonio, TX · Knoxville, TN
- $130,000 to $150,000 USD / year
Experience with API 653 / API 570 Tank and Piping inspection Standards
Added 8 hours ago
BV
QA/QC Technician
Bureau Veritas
Midland
- $25 to $28 USD / hour
Demonstrated technical knowledge of the Standard DS-1, relevant API specifications, and other applicable industry standards
Added 8 hours ago
Lead Guidewire PolicyCenter Software Development Engineer Test (SDET) - HYBRID
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United States
Experience with automation tools, such as: Playwright, Karate API, Selenium and similar technologies.
Added 8 hours ago
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Summer 2027 T-Ads Software Engineering Internship
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Philadelphia, PA
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Randstad USA

Senior Java Developer

Madison, WI, United States

$60 to $70 USD / hour · Contract

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Job details

Pay: $60 to $70 USD / hour
Job type: Contract
Apply by: Dec 3, 2026
Posting language: English
Posted: Nov 3, 2026

Original job description

job summary:

Candidate MUST be a resident local to Madison or near the Madison office. The selected hire can work 100% remote from within the Madison area but must be available to come into the office if needed.

We are seeking a highly skilled and experienced Senior Java Developer with strong hands-on expertise in Java, Spring framework/Spring Boot, Messaging Queues, Caching and Angular to join our dynamic team. The ideal candidate will develop, and maintain robust, scalable, and high-performance applications seamlessly integrating Java-based backend systems with Angular-based frontends. This role requires a proactive problem solver who thrives in a collaborative, fast-paced environment.

location: Madison, Wisconsin job type: Contract salary: $60 - 70 per hour work hours: 8am to 5pm education: High School

responsibilities:

Develop and maintain Java(8 to 21)-based backend applications, ensuring high performance and scalability.
Unit test and code coverage using Junit.
Good working experience using spring boot, messaging queues, caching and having good experience using Kafka, Redis and or equivalent tools.
Develop and maintain Angular(21)-based front-end user interfaces with a focus on responsiveness, usability, and ADA/WCAG compliance.
Unit tests using PlayWright.
Collaborate with cross-functional teams, including business analysts, and APM/QA engineers, to gather and implement requirements.
Create and maintain RESTful APIs for seamless integration between frontend and backend systems.
Troubleshoot and resolve technical issues, ensuring system reliability and robustness.
Stay up to date with industry trends, emerging technologies, and best practices in Java and Angular development.
Have good experience doing code reviews and contribute to code quality and standards to ensure high-quality product delivery.
Participate in the full software development lifecycle, including requirements gathering, design, coding, testing, and deployment.
Experience using AI(Prompts/Skills/MCP) to speed up development process.

qualifications:

Strong proficiency in Java, Spring Framework (Spring Boot), Hibernate/JPA, Message queuing, and caching.
Advanced skills in Angular (21), Typescript, HTML5, and CSS3.
Experience designing, creating, and documenting RESTful API using Spring Boot and OpenAPI
Practical knowledge of, and experience with, various middleware platforms like Apache Kafka, Redis, and BOOMI.
Familiarity with CI/CD pipelines, deployment automation, and dynamic environment configuration.
Experience developing wire frames and mock-ups as a tool to communicate design concepts with stakeholders.
Strong knowledge of relational databases.
Familiarity with cloud platforms like AWS, Azure, Google Cloud.
Excellent problem-solving and analytical skills.
Strong verbal and written communication skills.
Proven ability to work both independently and collaboratively in a team environment.
Knowledge of containerization and orchestration tools like Docker and Kubernetes.
Familiarity with Agile/Scrum, Iterative, and waterfall development methodologies.

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact HRsupport@randstadusa.com.

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.

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More about this job

Skills

Oracle Java
Spring Framework
Spring Boot
JUnit
Apache Kafka
Redis
Regulatory compliance
API development
Troubleshoot
Software development
Requirements gathering
HTML
CSS
RESTful API
CI/CD
AWS
Microsoft Azure
Google Cloud
Problem solving
Analytical skills
Communication skills
Docker
Kubernetes
Agile
Scrum
Waterfall development

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