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Java developer Jobs in Thornton, CO

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Java developer • thornton co

Last updated: 2 days 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

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

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

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

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

Senior Python Developer

Eliassen GroupDenver, US

This is a remote Senior Python Developer role building and operating components of a SaaS risk and compliance AI platform, with work spanning data ingestion, storage, search, cloud deployment, mode... Show more

ETL Developer

Software Technology, Inc.Denver, CO, US
TemporaryTemporary

Responsible for the design, development, and implementation of ETL processes.Analyze data coming from different sources for data integrity.Coordinate with front-end developers on data model and req... Show more

 • Promoted

.Net & Java Application and Innovation Customer Engineer

JDA TSGDenver, CO, US
$110,000.00–$120,000.00 yearly$110,000.00–$120,000.00 yearly
Full-timeFull-time

Application and Innovation Customer Engineer (CE).NET and Java Application and Innovation Expert.This role provides advisory services in architecture, consulting, and technical support to help cust... Show more

Salesforce Lightning Developer

Marsh McLennanDenver
RemoteRemote
Full-timeFull-time

As a Salesforce Lightning Developer, you’ll be responsible for designing, developing, and supporting scalable solutions across MMA’s Salesforce platform.You’ll work closely with Business Analysts, ... Show more

RPA Developer - UiPath

Arrow Enterprise Computing Solutions, Inc.Colorado,Denver,CO,US
$80,100.00–$131,120.00 yearly$80,100.00–$131,120.00 yearly
Full-timeFull-time

Design and develop automation solutions using UiPath to meet business process and application requirements.Collaborate with business partners, vendors and team members on the creation, modification... 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

Cority Developer

AECOMDenver, Colorado, United States
RemoteRemote
Full-timeFull-time

Digital Solutions Business Analyst for our Conshohocken, PA office.The position is flexible and can be located near any of AECOM's offices.Responsibilities for this position will include: .Coo... Show more

Senior Firmware Developer

Tech3pillars TechnologiesDenver, CO, United States
Quick Apply

Must have skills:</b><br /> C++ (11/14/17)<br /> Python<br /> Perl<br /> Embedded Linux (Yocto/Buildroot)<br /> RTOS (FreeRTOS, ThreadX, Zeph... Show more

Delphi Developer

DVI Technologies, IncDenver, Colorado, United States
$93,600.00–$114,400.00 yearly$93,600.00–$114,400.00 yearly
Full-timeFull-time

Salary: $93,600 - 114,400 per year.We require strong hands-on experience with Delphi, spanning Delphi 7 through modern XE, 11, and 12 releases.We look for a solid grasp of object-oriented programmi... Show more

 • Promoted

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

Power Platform Developer

The Judge GroupWestminster, CO
$40.00 hourly$40.00 hourly

Title: Power Platform Developer.Background and drug screens required.Assist the Collaboration Systems team and our customers to detail requirements to solutions in Microsoft 365.Lend your expertise... Show more

Senior ALC Developer

MaximusDenver, US
Full-timeFull-time

Maximus is a trusted federal partner supporting the Internal Revenue Service (IRS) in delivering essential services that help taxpayers navigate and meet their tax obligations.Through innovative so... 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

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

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!