Java/J2EE Senior Developer Jobs in Denver, CO

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Software Developer III (Java/Spring/Kubernetes)

Beacon Hill

Denver, Colorado, USA

Contract

Requirements: Java development experience, builidng Java web services o Design, architect, code features that will be in place the next 2 years o Hands-on experience building microservices in Java o When deploying, they will be deploying to a Kubernetes cluster - Experience with Camunda and Spring Boot 3.5.x - Experience mentoring junior developers Intangibles: - Respectful, professional, loves technology, eager to help out when needed Beacon Hill is an equal opportunity employer and individ

Sr. Java Developer

SES

Remote or Denver, Colorado, USA

Full-time

Systems Engineering Services is seeking a Sr. Java Developer with Salesforce experience based out of the Denver, CO area. Top 5 Technical Skills: Sr. Java DeveloperSpringboot, APIs (GRPC ++)MySQLSOQL (Salesforce SQL ++)Salesforce w/ Financial Services Cloud (+)Top 3 Soft Skills: Must have strong "Take the ball and run with it"Strong verbal CommunicationsStrong written communications (update Wiki, merge requests, designs, roadmap documents)Job Description: Part of a 7 person Sprint team. Working

Java full-stack developer with Telemetry systems experience

Sun Technologies,Inc.

Littleton, Colorado, USA

Contract

Job Title: Java full-stack developer with Telemetry systems experience Duration: up to 12 months contract with possible extension Location: Littleton, CO (Hybrid, onsite 3 days per week) Work Schedule: 4/10-1st Shift Pay Rate: $65/hr - $85/hr on W2 [the pay rate may differ depending on your skills, education, experience, and other qualifications] Featured Benefits: Medical Insurance in compliance with the ACA401(k)Sick leave in compliance with applicable state, federal, and local laws Job Descr

Java Developer

Everest Technologies

Denver, Colorado, USA

Contract

- Strong experience with Java, Springboot, Microservices, AWS - Streamlining software development lifecycles with CI/CD - Excellent verbal and written communication skills.

Java and Scala Developer

ASK IT Solutions LLC

Denver, Colorado, USA

Contract

Job Title: Scala Developer Industry: Comm, Media, Technology Duration: 7 months No. of Roles: 1 Location: Denver, CO Acceptance Criteria: RESTful and GraphQL APIs using Java and Scala are critical for the success. Other can be secondary skill. Job Description: Design and develop RESTful and GraphQL APIs using Java and ScalaBuild event-driven services and microservices that produce and consume messages via Apache KafkaImplement backend systems using frameworks like Spring Boot, Akka HTTP, or Play

Java Backend Developer

Galent

Englewood, Colorado, USA

Full-time

Job Description: We are looking for experienced engineer for the System integration Specialist role for the payment system modernization project. System integration Specialist will be responsible for ensuring the seamless integration of the payment processing solutions via configuration, focusing on efficiency, reliability, and security Skill/Experience: - 6 plus years of relevant software engineering experience - 4 plus years hands-on experience working in production environments - Proficiency

Java Developer

Agile

Englewood, Colorado, USA

Contract

Location/Remote: Hybrid remote in Englewood, CO 80112 (i.e., 4 days onsite/week) Employment Type: 9-month W-2/1099 contract (eligible to extend for multiple years) Compensation: Up to $70/hour W-2 or $80/hour 1099 (no 3rd party C2C) Benefits: Medical, dental, vision, LTD/STD, HSA/FSA, term life, and supplemental health insurances (e.g., Aflac) for all employees (and their families if needed), 401(k) About the Role: We are seeking a highly skilled and motivated Java Developer to join our team and

Full Stack Java Developer

Nasdaq

Denver, Colorado, USA

Full-time

Designs, develops, modifies, adapts and implements solutions to information technology needs through new and existing applications, systems architecture and applications infrastructure. Reviews system requirements and business processes; codes, tests, debugs and implements software solutions. Reviews independently system requirements and business processes; codes, tests, debugs; implements and maintains software solutions and is generally given more difficult technical challenges. Determines sys

Full Stack Java Developer

Nasdaq

Denver, Colorado, USA

Full-time

Designs, develops, modifies, adapts and implements solutions to information technology needs through new and existing applications, systems architecture and applications infrastructure. Reviews system requirements and business processes; codes, tests, debugs and implements software solutions. Reviews system requirements and business processes; codes, tests, debugs; implements and/or maintains software solutions for more sophisticated assignments. Determines systems software design requirements.

Senior Java Software Engineer (Onsite)

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-29 Country: United States of America Location: CO106: 16470 East Hughes Drive,Aurora 16470 East Hughes Drive Building S77, Aurora, CO, 80011 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: TS/SCI without Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help ou

Sr. RPA Developer Remote

Paramount Software Solutions, Inc

Remote or Atlanta, Georgia, USA

Full-time, Part-time, Contract, Third Party

GA DHS - Sr. RPA Developer (774254) Job ID: 774254 Job Title: Sr. RPA Developer Location: Remote - 47 Trinity Ave SW, Atlanta, GA 30334 Duration: 12 Months Client: State Of GA GA DHS Description: As part of the RPA team, this individual will lead the design, development, and implementation of UiPath automation solutions while mentoring a team of developers and ensuring adherence to best practices and architectural standards. You will work closely with architects, Sr. developers, managers, e

Full Stack Java Developer

Tandym Tech

Remote

Contract

Our client, a top government systems integrator, is seeking to hire a Java API Developer on a 100% remote contract basis, with conversion to FTE after 6 months. Must be able to work on W2. Responsibilities: Develop front and back-end application components and APIs to support development and enhancement of cloud-based solutions, and support integration testing to validate claims processing workflow. Participate in sprint ceremonies such as backlog refinement, sprint planning, daily stand up, re

Java Developer + Microservices

SAR TECH LLC

Remote

Contract

Hi PFA below requirement and let me know your interested Job title:Java Developer with Microservices Location:Sunnyvale CA Duration: Contract Client:Walmart. Required Skills Design, develop, and maintain scalable Java-based microservices. Use Spring Boot and Spring Cloud for developing microservices. Experience ofMicroservices and patterns.Looking forward to hear and work with you soon Thanks & RegardsAshok ReddySr US IT Recruiter SAR TECH LLC

UI Java Developer - Full Time/w2

Valueprosite

Remote

Contract

Hi, Job Title : UI Java Developer Location : Remote USA ('Note : We Help you Marketing your Resumes with our Clients) Key ResponsibilitiesDesign, develop, and maintain enterprise-level applications using Java (Java 8+) for backend and modern UI frameworks for frontend. Collaborate with UX/UI designers, product managers, and backend teams to implement responsive and intuitive user interfaces. Build reusable code components, optimize application performance, and ensure cross-browser compatibili

Java Developer Lead (Front End and Back End) - 5699075

Accenture LLP

Charlotte, North Carolina, USA

Full-time

Accenture Flex offers you the flexibility of local fixed-duration project-based work powered by Accenture, a leading global professional services company. Accenture is consistently recognized on FORTUNE's 100 Best Companies to Work For and Diversity Inc's Top 50 Companies For Diversity lists. As an Accenture Flex employee, you will apply your skills and experience to help drive business transformation for leading organizations and communities. In addition to delivering innovative solutions for

Scala / JAVA Developer

Ztek Consulting

Denver, Colorado, USA

Contract, Third Party

Design and develop RESTful and GraphQL APIs using Java and ScalaBuild event-driven services and microservices that produce and consume messages via Apache KafkaImplement backend systems using frameworks like Spring Boot, Akka HTTP, or PlayEnsure reliable, fault-tolerant Kafka integration, including schema validation, error handling, and retriesCollaborate with frontend and platform teams to define clear API contracts and integration patternsContribute to code quality, testing, and CI/CD automati

Senior Java Developer - Super Hot - Remote Anywhere in USA

Akrivis Solutions

Remote

Contract

Our client is actively interviewing candidates at this time. Pls respond asap. Immediate Interviews. **REMOTE** Seeking a highly skilled hands-on Senior Java Developer to join Siemens' Provisioning Systems team. This role will interact with offshore team members and help them solve problems as needed. Ideal Must Haves: 10-15+ years of proven experience in backend development - specifically: Java/J2EE, Spring Boot, Hibernate, Microservices, MongoDB, Spring Data JPA, along with these AWS compone

Sr Java Developer (W2 only)

Primesoft, Inc

Remote or Piscataway, New Jersey, USA

Contract

Title: Sr Java Developer Location: Remoter or Piscataway, NJ Skills: AWS, Nodejs, Angular Regards Naveen Pulletikurthi Technical Recruiter Primesoft Inc

Senior Java Backend Developer with Google Cloud Platform

American IT Systems

Remote

Third Party, Contract

Senior Java Backend Developer with Google Cloud Platform Dallas, TX, (Remote) Long Term Contract Job Description: Provides technical expertise to help construct the product roadmap, acts as subject matter expert and technical leader for development team. Leads complex feature and/or epic level development efforts. Role will work with Product and UX teams to be part of a team of engineers in developing elegant code, state-of-the-art responsive customer experiences and build industry leading expe

Sr. Backend Developer - Austin, TX/Mountain View, CA/Boulder, CO/Pittsburgh, PA

Y & L Consulting Inc.

Boulder, Colorado, USA

Full-time

Corp to Corp Agencies- C_2_C WILL NOT BE CONSIDERED Work Locations: Austin,TX, Boulder,CO, Pittsburgh,PA OR MountainView,CA We re looking for a Senior Backend Software Engineer who s excited to get their hands dirty, solve real problems, and move fast. You ll play a critical role on a small, highly collaborative team working on products that directly impact our partners and customers. This isn t a siloed role we want someone who s not just comfortable, but energized by jumping into conversations