Jobs in the United States

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Added 2 mins ago
MS
Principal Software Engineer - Digital Media - Little Rock, AR
Military Spouse Jobs & VetJobs
United States
- $120,000 to $180,000 USD / year
Hardware Integration: Collaborate with third-party hardware vendors to integrate their devices into our centralized platform.
Added 5 mins ago
Technology Project Manager
Infosys
United States
Experience in ETL tools such as Informatica, Ab Initio, ODI, SSIS, DataStage, Azure Data Factory, or Databricks.
Added 8 mins ago
A
Senior Manager, Smart Buildings & Connected Environments - Remote (US)
AECOM
Remote, United States
- $150,000 to $185,000 USD / year
Guide building systems integration efforts across multiple stakeholder groups.
Added 8 mins ago
A
Senior Manager, Smart Buildings & Connected Environments - Remote (US)
AECOM
Remote, United States
- $150,000 to $185,000 USD / year
Guide building systems integration efforts across multiple stakeholder groups.
Added 8 mins ago
A
Senior Manager, Smart Buildings & Connected Environments - Remote (US)
AECOM
Remote, United States
- $150,000 to $185,000 USD / year
Guide building systems integration efforts across multiple stakeholder groups.
Added 8 mins ago
A
Senior Manager, Smart Buildings & Connected Environments - Remote (US)
AECOM
Remote, United States
- $150,000 to $185,000 USD / year
Guide building systems integration efforts across multiple stakeholder groups.
Added 8 mins ago
A
Senior Manager, Smart Buildings & Connected Environments - Remote (US)
AECOM
Remote, United States
- $150,000 to $185,000 USD / year
Guide building systems integration efforts across multiple stakeholder groups.
Added 8 mins ago
Senior Staff Engineer - Agentic Identity
Cisco
Montpelier, VT
Deliver Developer Tooling & APIs: Build reusable APIs, SDKs, CLI tools, and integration patterns (including Model Context Protocol/MCP-based access) to enable seamless adoption across…
Added 8 mins ago
Sr Site Reliability Engineer -Remote US
SitusAMC
Montpelier, VT
Lead strategic initiatives for seamless application integration, orchestrating the collaboration of diverse software components to enhance overall system efficiency and drive optimal…
Added 8 mins ago
C
Senior QA Automation Engineer - Playwright & Selenium
Cognizant
Montpelier, VT
- $50,000 to $92,500 USD / year
…executing comprehensive test strategies across functional, integration, regression, and end-to-end testing efforts. You will leverage modern automation frameworks, perform API and database…
Added 8 mins ago
Core Senior .NET Software Engineer
Evolent
Montpelier, VT
Strong knowledge of cloud computing platforms (e.g., Azure, AWS, Google Cloud) and container orchestration tools such as Docker and Kubernetes.
Added 8 mins ago
C
Lead Data Engineer-Snowflake
Cognizant
Montpelier, VT
- $115,000 to $135,000 USD / year
Configure and support Snowpipe-based ingestion processes to enable reliable batch and near real-time data integration.
Added 11 mins ago
Commercial Business Intelligence Analyst
Saluda Medical
Remote, United States
Partner with Salesforce administrators and IT to improve data quality, integration, and reporting.
Added 13 mins ago
AI Engineer
RJW Logistics Group
Romeoville, IL
RJW is putting AI agents to work across transportation, warehousing, billing, and EDI integration. You will design and build those agents: choosing the right model, engineering prompts and…
Added 18 mins ago
IT Security, Dir 1
American Medical Association
Chicago, IL
Responsible for the technical integration of security components within the AMA’s environment to optimize the value and control benefits including ease of use, effectiveness, and breadth of…
Added 18 mins ago
GI
Data Analytics Developer
Guidehouse Inc.
VA
- $113,000 to $188,000 USD / year
Experience with Power Pages, Microsoft Copilot Studio, AI Builder, Microsoft Fabric, Power BI, or Azure integration services.
Added 18 mins ago
GI
Data Engineer/Analyst
Guidehouse Inc.
VA
- $98,000 to $163,000 USD / year
…analytics and data science - from data querying, wrangling, integration, and engineering to data visualization, dashboarding, business intelligence (BI), predictive analytics, machine…
Added 18 mins ago
Scrum Master – Senior Software Engineer
RTX
United States
…modeling and simulation, systems analysis, software development, integration, test and evaluation of world-class Missile Defense & Sensors to be achieved through our people, processes,…
Added 18 mins ago
Scrum Master –Software Engineer II
RTX
United States
…modeling and simulation, systems analysis, software development, integration, test and evaluation of world-class Missile Defense & Sensors to be achieved through our people, processes,…
Added 18 mins ago
Senior Software Engineer - Modeling (Onsite)
RTX
United States
Experience in application development and integration within one or more cloud platform services such as (Amazon Web Services, Microsoft Azure, Google Cloud, VMware Cloud).
Added 21 mins ago
Software Engineer II - Test Solutions Center
RTX
United States
The Software Engineer II - Test Solutions Center position is focused on the design, development, integration, and maintenance of software as a part of on-site factory support of systems to…
Added 21 mins ago
Senior Software Engineer
Advantest
San Jose, CA · Austin, TX
Develop and maintain modern applications, services, APIs, and integration frameworks.
Added 21 mins ago
Geospatial Developer
Vantor Services Inc.
Reston, VA
Vantor is seeking a Geospatial Developer to design, build, and support high-impact geospatial applications, REST integrations, and data pipelines across our enterprise GIS environment. In…
Added 22 mins ago
Senior Identity Security Engineer
Kansas City, MO
…authorization, federation, SSO, MFA, conditional access, and integration with Active Directory, Entra ID, LDAP, HR systems, cloud services, and business…
Added 24 mins ago
Principal Software Development Engineer (AI Innovation)
CVS Health
Richardson, TX
Experience with Enterprise RAG patterns, vector databases, embeddings, prompt engineering, AI orchestration, and AI application integration

Keystone Consulting, Inc

Senior Java Developer IV

Madison, WI, United States

$56 to $79 USD / hour

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Job details

Pay: $56 to $79 USD / hour
Posting language: English
Posted: Nov 4, 2026

Original job description

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 client’s dynamic team. The ideal candidate will develop, and maintain robust, scalable, and high-performance applications seamlessly integrating Java-based backend systems with Angular-based front-ends. This role requires a proactive problem solver who thrives in a collaborative, fast-paced environment.

Important

Details:

Onsite or Remote: Candidate MUST be a resident local to Madison or near the Madison office, or willing to relocate to Madison prior to starting the role at their own expense. The selected hire can work 100% remote from within the Madison area but must be available to come into the office if needed. Candidate must be relocated 1 month after Hire Date.

Interview Process: Two Round Interview Process. Both rounds will be In-person interviews only.

Contract Duration: 6/30/2027, likely to extend.

Key

Responsibilities:

Develop and maintain Java (8 to 21)-based backend applications, ensuring high performance and scalability.
Unit test and code coverage using Junit.
Use spring boot, messaging queues, caching and 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 Junit and 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.
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.

Requirements

Required

Skills:

Strong proficiency in Java, Spring Framework (Spring Boot), Hibernate/JPA, Message queuing, and caching. (8 + yrs experience).
Experience with web applications development, web services, REST API, etc. (8 + yrs experience).
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 like Oracle.
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.
Experience using AI(Prompts/Skills/MCP) to speed up development process.

Nice to

Have Skills:

Dell Boomi, Dynatrace, Microsoft Azure DevOps, Docker, Kubernetes.

Benefits

Hourly rate for 1099: $79.00

Hourly rate for W2: $56.00

Full-Time W2 employees may receive the following benefits:

Health and Dental Insurance
Life Insurance
Short/Long Term Disability Insurance
Simple IRA
Referral Bonus
Employee Assistance Program

Keystone Consulting, Inc. is an equal opportunity employer and is following Wisconsin’s Contract Compliance law. U.S. Citizens and those authorized to work in the U.S. are encouraged to apply. We are unable to sponsor at this time.

Keystone Consulting, Inc. participates in E-Verify. For more information, please click the following links:

E-Verify Participation

Right to Work

Derecho a Trabajar

WI Contract Compliance Law

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More about this job

Skills

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

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