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Java software developer • thornton co

Last updated: 21 hours ago

Sr. Java Developer

Mavensoft Technologies, LLC.Denver, CO, USA

Location: Denver, CO – Hybrid ,MST ( .Hybrid, 1 day On-site on Tuesdays.Duration: 7 Months – W2 Contract.Our Client is seeking an experienced Java Developer Contractor to support the design, develo... Show more

Software Developer

Hassle Free Home ServicesDenver, Colorado, United States
Full-timeFull-time

Hassle Free Home Services was born out of a realization that homeownership came with its share of surprises – a never-ending to-do list, constant maintenance, and unexpected upgrades.Since 2003, we... Show more

Sr. Software Engineer (Java)

VertaforeDenver, CO, US
Full-timeFull-time

The insurance industry runs on Vertafore.We equip agencies, MGAs, and carriers with the core digital systems, specialized AI, and data-driven foundation to eliminate distribution drag across the in... Show more

Senior Java/J2EE Developer IBM DB2

Eitacies IncDenver, CO, US
$50.00–$60.00 hourly$50.00–$60.00 hourly
Full-timeFull-time

Senior Java/J2EE Developer - IBM DB2.We are looking for an experienced.XPRS is a web-based system developed to manage long term care Medicaid services for individuals with intellectual and developm... Show more

AI Solutions Software Developer

AtkinsRéalisDenver
Full-timeFull-time

We’re hiring an experienced and motivated.You will work closely with Technology Team leaders and cross functional business line teams to support the development and growth of our advanced software ... Show more

Full Stack Software Engineer II (Angular, Java)

Global Payment Holding CompanyDENVER, COLORADO
Full-timeFull-time

Ready to take your career global?.Make your mark at one of the biggest names in payments.We’re looking for a Full Software Engineer II (Angular, Java) to join our ever-evolving software engineering... Show more

Software Engineer

EpsilonWestminster, Colorado, United States
$73,500.00 yearly$73,500.00 yearly
Full-timeFull-time

See how Epsilon powers connected marketing by unlocking the full potential of data and identity.At Epsilon, we do more than collect and store data.We help some of the world's biggest brands discove... Show more

Software Engineer

ParsonsDenver
Full-timeFull-time

In a world of possibilities, pursue one with endless opportunities.Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself.Guided by our ... Show more

Embedded Software Developer – Level 3

Blue OriginDenver
Full-timeFull-time

Application close date: Applications will be accepted on an ongoing basis until the requisition is closed.At Blue Origin, we envision millions of people living and working in space for the benefit ... Show more

Full Stack Software Developer, Mid-level

Vets HiredDenver, Colorado, United States
Full-timeFull-time
Quick Apply

The Full Stack Software Developer will design, develop, and maintain highly utilized cloud-native applications supporting situational awareness and collaboration capabilities.The role requires stro... Show more

Senior Software Engineer, Java (Hybrid, Denver Metro Preferred)

FusionAuthDenver, CO, US
$140,000.00–$180,000.00 yearly$140,000.00–$180,000.00 yearly
Full-timeFull-time
Quick Apply

Senior Software Engineer, Java Location: Denver, CO preferred (Hybrid) About FusionAuth FusionAuth is a fast-growing startup and leading provider of customer identity and access management (CIAM) s... Show more

Lead Java Developer (Android application development)

GretisGlobalDenver, United States
$60.00–$65.00 hourly$60.00–$65.00 hourly
Full-timeFull-time

Lead Java Developer (Android application development).Full-Time / Contract ($60 to 65/hr on W2 – No C2C).We are seeking a skilled Lead Java Developer with strong Android application development exp... Show more

Staff/Software Software Engineer

Pear SuiteDenver, Colorado, United States, 80202
$120,000.00–$150,000.00 yearly$120,000.00–$150,000.00 yearly
Quick Apply

Pear Suite is an early-stage digital health company building software for community-based care.Our care navigation platform equips community health workers, doulas, care navigators, and the organiz... Show more

.NET Developer

MassGenicsDenver, Colorado
$75.00–$80.00 hourly$75.00–$80.00 hourly
ContractorContractor

A client of Innova Solutions is immediately hiring for a.Location: Charlotte, NC, Chicago, IL and Denver, CO.API Security Frameworks (oAuth, JWT, Authorization and Authentication.Net Core 6+ versio... Show more

Backend Software Developer

MaximusDenver, CO, US

The Software Developer (Backend) provides subject matter proficiency for our USAF mission.This role is responsible for providing analytical skills to support process improvement, specialized studie... Show more

API Developer

CGIDenver
Full-timeFull-time

Candidate must be located in Pittsburgh, PA, Cleveland, OH, Dallas, TX, Birmingham, AL, Pheonix, AZ, Denver, CO.Are you a seasoned Java developer with a passion for building robust scalable APIs? W... Show more

Software Developer

Dassault SystèmesBroomfield
Full-timeFull-time

DASSAULT SYSTEMES SPATIAL Corporation.D modeling in hundreds of applications in diverse areas of engineering.We develop 3D ACIS Modeler so it can be used as an SDK for businesses outside of.With AC... Show more

MuleSoft Developer

CapTech ConsultingDenver, Colorado, United States
$90,000.00–$180,000.00 yearly$90,000.00–$180,000.00 yearly
Full-timeFull-time

MuleSoft Developers at CapTech are part of a capable, highly motivated community that continuously develops its technical skills and delivers innovative solutions for our clients.Our consultants de... Show more

 • New!

Oracle databases Developer

innovitusaDenver, CO, Colorado, USA
ContractorContractor

MessageBody">Description</b></p> <p><b>Responsibilities include:</b></p> <p>• Develops new SSRS reports and database objects against complex e... Show more

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Sr. Java Developer

Sr. Java Developer

Mavensoft Technologies, LLC.Denver, CO, USA
30+ days ago
Job description

Title: Sr. Java Developer
Location: Denver, CO – Hybrid ,MST ( Candidate Must Be Local )
Hybrid, 1 day On-site on Tuesdays. Remote work rest of days
Duration: 7 Months – W2 Contract

Job Description

Our Client is seeking an experienced Java Developer Contractor to support the design, development, and maintenance of web applications, backend services, and cloud-based solutions.

The ideal candidate will be comfortable working across the Java/Spring ecosystem, building REST APIs, integrating with AWS services, and contributing to modern CI/CD-driven development workflows. The candidate should be hands-on, pragmatic, able to work independently, and comfortable collaborating with technical and business stakeholders.

Responsibilities

  • Design, develop, test, and maintain Java-based applications using Java SDK 21.
  • Build and enhance applications using Spring Boot and the Spring Framework.
  • Develop and maintain REST APIs and JSON-based integrations.
  • Support web applications using Thymeleaf, HTML, CSS, and JavaScript.
  • Work with AWS services including ECS, API Gateway, and DynamoDB.
  • Contribute to source control and development workflows using GitLab.
  • Build, maintain, and troubleshoot GitLab CI/CD pipelines.
  • Participate in application architecture, implementation decisions, code reviews, and deployment practices.
  • Support infrastructure-as-code efforts, particularly using Terraform.
  • Use IntelliJ IDEA as the primary development environment.
  • Apply sound software engineering practices including maintainable code, testing, documentation, and operational awareness.
  • Leverage AI-assisted coding tools where appropriate to improve productivity and code quality.

Required Qualifications

  • Strong professional experience developing applications with Java.
  • Experience with Java 21 or recent versions of the Java SDK.
  • Solid experience with Spring Boot and Spring-based application development.
  • Experience designing, building, and consuming REST APIs.
  • Strong working knowledge of JSON and API integration patterns.
  • Familiarity with HTML, CSS, and JavaScript.
  • Experience with Git-based source control, preferably GitLab.
  • Experience with CI/CD pipelines, preferably GitLab CI/CD.
  • Practical experience developing, deploying, or supporting applications in AWS.
  • Ability to work independently, communicate clearly, and deliver high-quality work in a contractor capacity.

Preferred Qualifications

  • Experience with Thymeleaf.
  • Hands-on experience with Amazon ECS, API Gateway, and DynamoDB.
  • Familiarity with Terraform or other infrastructure-as-code tools.
  • Professional experience using IntelliJ IDEA.
  • Familiarity with AI-assisted development tools such as Claude Code, GitHub Copilot, Cursor, or similar tools.
  • Experience troubleshooting cloud deployments, application logs, build pipelines, and environment-related issues.
  • Understanding of secure coding practices and cloud application security concepts.

Email your resume to usjobs@mavensoft.com to apply!