Java jobs in Boulder, CO

Senior Java/J2EE Engineer – Telecom Billing & API

Denver, Colorado

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14d ago

Role -Senior Java/J2EE Engineer Location - Denver, CO.80239 Must have Telecom Background No. Of openings: 8 Position Overview We are looking for a Senior Java/J2EE Engineer with strong experience in API development, Spring Boot, Microservices, and telecom commercial/billing systems. The ideal candidate will understand not only how to build APIs, but also the business logic behind telecom pricing, rate plans, discounts, credits, offers, promotions, billing rules, and exceptions/overrides. The ro

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Third Party, Contract

Depends on Experience

Senior Software Engineer – Java / AI

Denver, Colorado

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14d ago

Senior Software Engineer Java / AI Experience: 58+ years Domain: Telecom / Enterprise Applications Position Overview We are looking for a Senior Software Engineer with strong experience in Java, Spring Boot, Spring Cloud, Microservices and REST API development, combined with practical experience integrating GenAI/LLM capabilities into software applications. The ideal candidate should be comfortable with modern cloud-native development, event-driven architecture, AI-assisted engineering and

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Contract, Third Party

Depends on Experience

Java Full Stack Developer - Denver, CO, Phoenix, AZ, St. Louis, MO, Nashville, TN, Kansas City, KS.

Remote or Denver, Colorado

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2d ago

Job Title: Java Full Stack Developer Location: Denver, CO, Phoenix, AZ, St. Louis, MO, Nashville, TN, Kansas City, KS. Contract: 12+ Months Looking for W2 candidates. No C2C Job Summary: We are looking for a Principal Java Full Stack Developer with extensive experience in enterprise application modernization, cloud-native architecture, distributed systems, and AI-enabled applications. The ideal candidate should possess strong leadership, architecture, and cloud engineering expertise. Key Respo

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Contract

Depends on Experience

Java Developer

Englewood, Colorado

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Today

Job#: 3056275 Job Description: Java Developer Location: Englewood, Colorado (Hybrid) Role Overview This role follows the company software development lifecycle to design, code, configure, test, debug, and document system and application programs. The position involves preparing technical design specifications based on functional requirements and analysis documents. The developer will collaborate with other development staff to achieve quality and consistency and participate in architecture, d

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Full-time

$50 - $65 per hour

Java Developer

Englewood, Colorado

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Today

Description: Hybrid 4 days onsite, 1 remote. in Englewood, CO Our client seeks a Java Developer to build and enhance software and automation for Spectrum Field Operations platforms that track network inventory in the field. The role requires strong Java development, API design, data modeling, and modern DevOps practices within a collaborative team environment. Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefi

Contract

Senior Java Developer

Denver, Colorado

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Today

Job#: 3052915 Job Description: Apex Systems, a World-Class Technology Solutions Provider, is seeking applicants for the below position on behalf of our client. Please apply if interested and qualified. Please note that only qualified candidates will be contacted. Position: Senior Java Developer Location: Hybrid (Denver) Clearance: None Pay Rate Range: $114,400-132,000 Position Overview: We are seeking an experienced Java Developer Contractor to support the design, development, and maintena

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Full-time

$55 - $63 per hour

Java Developer- Denver, CO - Onsite - Only Locals

Denver, Colorado

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7d ago

Role: Java Developer Location: Denver, CO - Onsite - Only Locals About the RoleWe are seeking an experienced Java Developer Contractor to support the design, development, and maintenance of web applications, backend services, and cloud-based solutions. This role is ideal for someone who is comfortable working across the Java/Spring ecosystem, building REST APIs, integrating with AWS services, and contributing to modern CI/CD-driven development workflows.The right candidate will be hands-on, pra

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Contract

Depends on Experience

Software Engineer (C++, Python, GoLang, or Java) - Onsite 4 Days - Englewood, CO - FreeWheel

Englewood, Colorado

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Today

FreeWheel, a Comcast company, provides comprehensive ad platforms for publishers, advertisers, and media buyers. Powered by premium video content, robust data, and advanced technology, we're making it easier for buyers and sellers to transact across all screens, data types, and sales channels. As a global company, we have offices in nine countries and can insert advertisements around the world. Job Summary FreeWheel's mission is to build great advertising software. We offer the most extensible

Full-time

USD 114,985.89 - 172,478.83 per year

Manager, Software Engineering (C++, GoLang, or Java) - 4 Days Onsite - Englewood, CO - FreeWheel

Englewood, Colorado

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Today

Full-time

USD 143,910.69 - 215,866.04 per year

Senior Java Developer (Loveland, CO)

Loveland, Colorado

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Today

We understand that the world we want tomorrow starts with how we do business today, and that's why we're inspired to make A Better World for Pets. Antech is comprised of a diverse team of individuals who are committed to each other's growth and development. Our culture is centered on our guiding philosophy, The Five Principles: Quality, Responsibility, Mutuality, Efficiency and Freedom. Today Antech is driving the future of pet health as part of Mars Science & Diagnostics, a family-owned company

Full-time

USD 113,000.00 - 142,000.00 per year

Software Engineer: Full Stack - Python, Java or JavaScript/TypeScript (TS/SCI Clearance Required)

Englewood, Colorado

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Today

This job requires active TS/SCI clearance. Please apply only if you have an active TS/SCI clearance. North Point Technology is looking to hire a Full Stack Software Engineer to support a mission-critical GEOINT program for an Intelligence Community customer. The qualified candidate must have an active Top Secret/SCI security clearance and will design, develop, and deliver modern, cloud-native software solutions that enable national security missions. The ideal candidate has an excellent unders

Full-time

Fulltime | Senior Java Developer | 100% Remote

Remote

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27d ago

Job Title: Senior Java Developer Work Setting: 100% Remote Job Type: Fulltime (Permanent) NO SPONSORSHIP AVAILABLE JOB DETAILS: 10+years in IT with strong, hands-on Java background Core Java, Spring / Spring Boot, Microservices architecture REST API design and integration patterns AWS/Azure/Google Cloud Platform Cloud Experience Solid understanding of application security, performance tuning, and scalability for enterprise systems Strong JavaScript/TypeScript development experience

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Full-time

$80000 - $120000

Java Developer

Remote

•

Today

Hi, Job Title: Java Developer Location: Remote Duration: 12+ months Required: 5+ years of software development experience with Core Java, Java/J2EE, Spring Boot, and Microservices architecture.5+ years of experience developing and exposing REST APIs using Spring WebFlux and reactive microservices.Experience building scalable, high-performance microservices in high-traffic environments.Strong knowledge of multithreading and batch processing.3+ years of experience with event-driven technologies

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Contract

Depends on Experience

Java Full Stack Developer

Remote

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Yesterday

Hi,Greetings!We have an exciting opportunity for a Java Full Stack Developer with our client. Please review the job details below and let us know if you are interested.Job Title: Java Full Stack Developer Location: USA Remote Total Experience: 6+Job Description:We are looking for an experienced Java Full Stack Developer to design, develop, and maintain secure, scalable, and reliable enterprise applications using Java and modern full-stack technologies.Key Responsibilities:Develop and maintain e

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Third Party, Contract

55 - 60

Sr. Java/J2EE Developer

Remote

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Today

Role: Sr. Java/J2EE Developer Location: 100% Remote Duration: 6+ months Interview: Phone/Skype Must haves: 7+ years of Java Development experience Java 11 Springboot Microservices REST APIs Struts JUnit Nice to have: AWS CI/CD Docker

Full-time

USD 55.00 - 55.00 per hour

Java Developer

Remote

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6d ago

About the Company We are HCLTech, one of the fastest-growing large tech companies in the world and home to 230,000+ people across 60 countries, supercharging progress through industry-leading capabilities centered around Digital, Engineering and Cloud. About the Role We are seeking a strong Java Developer immediately in a remote role in Seattle, Washington. This role supports the CCS modernization effort by upgrading existing Java components from Java 8 to Java 11+, refactoring affected code, an

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Full-time

$100,000 - $120,000

Lead Java Backend Developer

Remote

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9d ago

LeadJavaDeveloper Location: 100% Remote Position Summary We are seeking a highly skilledSeniorJavaDeveloperwith strong expertise in backenddevelopment, Spring Boot microservices architecture, AWS cloud technologies, and Infrastructure as Code using Terraform. The ideal candidate will have extensive experience designing and developing scalable enterprise applications, RESTful APIs, cloud-native services, and distributed systems in Agile delivery environments. This role requires strong hands-on c

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Full-time

Depends on Experience

Full Stack Java Developer-TomCat Migration

Remote

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11d ago

Role Overview We are seeking an experienced Java Developer to support the migration of enterprise Java applications from Oracle WebLogic Server to Apache Tomcat. The developer will assess application dependencies, make required code and configuration changes, and validate applications in the new Tomcat environment.Key ResponsibilitiesAnalyze existing Java applications and WebLogic-specific dependencies and configurations.Modify application code, deployment descriptors, libraries, and configurati

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Third Party, Contract

Depends on Experience

Sr. Java full stack Developer

Remote or Hybrid in Pittsburgh, Pennsylvania

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6d ago

Sr. Java full stack DeveloperPittsburgh, PA / NYC, NY(Remote, Onsite/Hybrid 3 days onsite per week)Long-termContractEmployment Type: W2Domain: Preferred exp. With Banking/Financial along with payment DomainJob Description:Must have hands on experience8+ years of Java/J2EE development experienceStrong Core Java, Java 8/11/17+Spring Boot / Spring FrameworkStrong Oracle SQL, PL/SQL, database developmentHands-on experience with IBM MQ / WebSphere MQStrong experience developing and integrating REST

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Contract

Depends on Experience

Java Full Stack Developer

Remote

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19d ago

Required Skills ONLY - W2 Strong hands-on experience with Core Java. Strong experience with Spring / Spring Boot. Good experience in Microservices architecture. Experience developing RESTful APIs. Strong understanding of OOP, Collections, Multithreading, Exception Handling, and Design Patterns. Experience with relational databases and SQL. Good understanding of software development lifecycle and Agile methodologies. Strong banking/financial services domain experience. Excellent problem-solving

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Full-time

$60 - $70

Java jobs in Boulder, CO, USA