Java jobs in Denver, CO

Senior Java/J2EE Engineer – Telecom Billing & API

Denver, Colorado

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29d 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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Contract, Third Party

Depends on Experience

Senior Software Engineer – Java / AI

Denver, Colorado

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29d 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 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 Engineer

Englewood, Colorado

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Java Engineer in Englewood, CO. Summary: We are seeking an experienced Java Engineer to support large-scale modernization initiatives across critical banking technology platforms. This is a hands-on technical leadership role for someone who can translate complex architectural strategies into secure, scalable, production-ready solutions. The Java Engineer will partner closely with architects, engineering teams, and business stakeholders to

Contract

$46.75 - $63.25 hourly

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

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

Database Technical Lead – AWS Aurora PostgreSQL, Snowflake & Java APIs

Remote or Denver, Colorado

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Today

ain, and optimize scalable ETL/ELT pipelines using Talend, Python, AWS EMR, and related technologies. Develop, integrate, troubleshoot, and optimize enterprise APIs, including Java-based APIs. Perform advanced SQL development, data modeling, query optimization, and performance troubleshooting. Support Talend job design, pipeline orchestration, scheduling, monitoring, and production troubleshooting. Implement metadata management, data cataloging, and data lineage practices. Monitor and resolve pr

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Third Party, Contract

55 - 60

JAVA Software Engineer (5775) (Boulder, CO) (TS/SCI)

Boulder, Colorado

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Today

The SMX Space and Intelligence (S&I) Business Unit (BU) is on the ground floor across the future remote sensing ecosystem for all orbital regimes (LEO, MEO, HEO, and GEO). We build, integrate, and operationally support our customers' emerging space-ground systems to include real-time data processing frameworks, sensor data processing, and data visualization. We are teamed with the most passionate companies in industry, dedicated to bringing best-of-breed capabilities to address our customers' mo

Full-time

USD 110,000.00 - 155,000.00 per year

JAVA Software Engineer (5775) (Boulder, CO) (TS/SCI)

Boulder, Colorado

•

Today

Full-time

USD 110,000.00 - 155,000.00 per year

Java developer

Remote

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6d ago

Role : Java developer Location : Remote Skills: Java, Spring, Struts, Maven, WebSphere or Liberty, Docker, Open rewrite and Oracle DB , AWS Stack AI Technologies like Claude Code/CLI Experience upgrading past J2EE applications to the latest Java 21 version

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Contract

55 - 60

Java Developer

Remote

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7d ago

Java Developer Employment Type: Contract Location: Mostly Remote Candidates must be local to the DC/MD/VA or Eagan, MN area ship required per government contract Clearance: Must be able to obtain a Public Trust clearance We are seeking experienced Java Software Engineers at the mid-level, senior, and lead levels to support a federal aviation technology program. These positions will focus on developing, enhancing, and maintaining secure, cloud-native applications supporting FAA systems and moder

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Contract

Depends on Experience

Spark or Java Developer

Aurora, Colorado

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13d ago

Absolute Business Solutions Corp (ABSC) is not just another tech company. We're a community of innovators, engineers, analysts and business professionals working together with our customers to tackle the most complex challenges. For more than 20 years we've supported critical DoD, IC and Federal Civilian missions and global, multi-national corporations. We specialize in supporting our clients in the Intelligence, Technology, Defense, AI/ML, and Data Science fields. As we continue to grow at a ra

Full-time

USD 150,000.00 - 275,000.00 per year

Java developer

Remote

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8d ago

Skills: Java, Spring, Struts, Maven, WebSphere or Liberty, Docker, Open rewrite and Oracle DB , AWS Stack AI Technologies like Claude Code/CLI Past J2ee application upgrade experience to latest Java 21 version

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Contract

Depends on Experience

Java Developer

Remote

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3d ago

Role: Java Developer Location: Remote Rate : $44/Hr on W2 Must Have skills: Java, Spring boot, AWS an python

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Contract

40 - 44

Java Developer

Remote

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4d ago

Good knowledge of Core Java. Understanding of Object-Oriented Programming (OOP). Basic knowledge of Spring Boot and Spring Framework. Knowledge of SQL and database concepts. Understanding of REST APIs and Web Services. Basic knowledge of HTML, CSS, and JavaScript is an added advantage. Familiarity with Git/GitHub. Good analytical and problem-solving skills.

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Full-time

60000 - 70000

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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3d ago

Position: Full stack Developer AI Lead Location - Remote (Preferred: New York, NY) Duration: Long term Note: May operate remotely however in future he/she should operateto client location on a need basis.Preferred location is NY. Job Description: Required Qualifications Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field. 15+ years of hands-on experiencein full-stack software development, with extensive expertise in enterprise application

Full-time, Third Party

$135000 - $140000

Java Developer

Remote

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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 Developer

Remote

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21d 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

Java jobs in Denver, CO, USA