J2EE Jobs in Denver, CO

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Full stack Java Developer

Tradeweb Markets LLC

Remote or Jersey City, New Jersey, USA

Full-time

Tradeweb is a global leader in electronic trading for rates, credit, equities, and money markets. As financial markets become increasingly interconnected, our technology enables efficient, multi-asset trading on a global scale. We serve more than 3,000 clients in more than 85 countries, including many of the world?s largest banks, asset managers, hedge funds, insurers, corporations, and wealth managers. Creative collaboration and sharp client focus have helped fuel our organic growth. We facili

Google Cloud Platform Java Technical Lead

Nityo Infotech Corporation

Denver, Colorado, USA

Full-time, Third Party

JD : Technical Lead is responsible for leading the design, development, and deployment of Java applications on Google Cloud Platform (Google Cloud Platform). This role combines deep technical expertise in Java and cloud-native architectures with leadership skills to guide development teams, ensure best practices, and drive successful cloud initiatives. Key Responsibilities Lead the end-to-end development of Java-based applications, ensuring alignment with business requirements and technical sta

Cloud Microservices Java Developer

Resourcesoft, Inc.

Glendale, Colorado, USA

Contract

Requirements: 8 or more years of experience as a software engineer in cloud-based systems. Proficiency in AWS cloud services (EC2, S3, Lambda, API Gateway, Fargate). Experience with microservices and distributed system architectures. Experience in Java (version 1.8+) and Python development. Experience with DevOps practices, CI/CD, and source control management. Experience with relational and NoSQL databases and network security. Excellent interpersonal and technical communication skills. Respons

Node.JS And JAVA Developer

TEKsystems c/o Allegis Group

Englewood, Colorado, USA

Full-time

Technologies: AWS Lambda, DynamoDB, Kinesis, SQS, AWS Event Bridge, NodeJs, Java, Python, LaaS, Concourse CICD, Github Actions, and S3 Skills: Experience in Agile, Jira, Processes, Hands on experience in requirement gathering, grooming, impact analysis, design/ impact/ solution documentation, coding, unit testing, regression/ e2e testing, production deployment. Responsibility: - Codes software applications to adhere to designs supporting internal business requirements or external customers. Sta

Sr Fullstack Developer (Java & Python & AWS & Some ReactJS) - Remote + Qtr Travel

Prodware Solutions

Remote

Contract

We are seeking a Sr Software Developer (Backend) for a client based in Dallas, TX. This will be remote but require someone to be onsite for 1 week in Dallas, TX - Expenses Paid. Looking for someone with 12+ years experience. Someone with a stable jobs, 4 jobs in last 10 year. Not looking for visa sponsor consultants. Below are the skills mandatory and the manager is looking for. Strong experience with JavaStrong experience with Python Strong experience with AWS CloudThis is purely backend wi

Sr Java Fullstack /React Developer Remote

Prodware Solutions

Remote

Contract

Hi , Hope you are doing good. This is Shahbaz Shaikh from Prodware Solutions LLC. We have a role which closely matches your skill set. Job title: Sr AWS Cloud Engineer RemoteDuration: 12+ months Java/ Aws/Cloud/Python with Reacct. Full stack Java / Cloud with some react. Retiring a legacy java application, moving to aws cloud/ python with modern react front end.Ask if they are using AI / amazon Q or other AI tools FOR CLOUD Thanks!!i!! Shahbaz Shaikh Lead Talent Acquisition Specialist Prodware

Backend Software Developer (Nodejs, Python, AWS, Lambda, Java) IV

Apidel Technologies

Englewood, Colorado, USA

Contract

Job Title: Backend Software Developer (Nodejs, Python, AWS, Lambda, Java) IV Location: Englewood, CO 80112 Duration: 05+ Months Contract [Potential for Extension based on performance and project needs] Hybrid: 04days onsite/01 day remote Team Info: Activation team working on major programmes Must have skills: Nodejs 60% Java 40% Python Scripting for Dashboards AWS Cloud AWS serverless, Lambda, DynamoDB, API gateways, SQS, SNS, Genesis, etc Can deliver Microservices Can work with cross-functio

163812 - Node.JS And JAVA Developer

TEKsystems c/o Allegis Group

Englewood, Colorado, USA

Full-time

Description Technologies: AWS Lambda, DynamoDB, Kinesis, SQS, AWS Event Bridge, NodeJs, Java, Python, LaaS, Concourse CICD, Github Actions, and S3 Skills: Experience in Agile, Jira, Processes, Hands on experience in requirement gathering, grooming, impact analysis, design/ impact/ solution documentation, coding, unit testing, regression/ e2e testing, production deployment. Responsibility: - Codes software applications to adhere to designs supporting internal business requirements or external cu

Lead Java Engineer

Atika Tech

Remote

Full-time, Contract

Position: Lead Java Engineer Location: Remote Experience: 15+ Years Lead enterprise Java application modernization and Azure migration with hands-on expertise in GWT, Oracle, SAP integration, and cloud-native architecture . Responsibilities: - Architect and implement robust Java-based enterprise applications using Core Java and Java 6. Design and maintain front-end components using Google Web Toolkit (GWT). Lead the migration of legacy systems to Microsoft Azure, ensuring scalability, security,

Senior Full Stack Java Developer (Security Clearance)

IT First Source

Remote

Contract

We are seeking a Senior Full Stack Java Developer with an active security clearance to join our clients dynamic development team supporting secure federal programs. The ideal candidate will have strong experience in Java-based backend development combined with proficiency in modern front-end frameworks like Angular or React. This role requires a commitment to secure coding, scalable architecture, and Agile delivery. Key Responsibilities:Design, develop, and maintain scalable, secure full stack a

Senior Java Developer

Raas Infotek LLC

Remote or Dallas, Texas, USA

Contract

Job Title: Senior Java Developer (W2 Only 12+ Years Experience)Job Description:We are seeking a Senior Java Developer with strong hands-on experience in building enterprise-grade applications using Java, Spring Boot, Microservices, and containerized deployments. This is a W2-only role requiring deep technical expertise and the ability to contribute to solution design, API development, and cloud-native architecture. You will work closely with architects, product owners, and DevOps to deliver scal

Java LEAD 50389

R Cube Creative Consulting Inc

Remote or Cupertino, California, USA

Third Party, Contract

Role: Java LEAD 50389 Location: TBD Rate : DEO VISA : ANY Experience : 15 Years Years Location : Multiple Sites. TBD PLEASE DONT CHANGE THE SUBJECT LINE FOR THE LOVE OF GOD. PLEASE DONT CHANGE THE SUBJECT LINE FOR THE LOVE OF GOD. PLEASE DONT CHANGE THE SUBJECT LINE FOR THE LOVE OF GOD. Job Description Role Purpose The purpose of this role is to design, test and maintain software programs for operating systems or applications which needs to be deployed at a client end and ensure its meet 100%

Senior Java Engineer (Remote)

First-Citizens Bank & Trust Company

Remote or Raleigh, North Carolina, USA

Full-time

Overview This is a remote role that may be hired in several markets across the United States. We are looking for an experienced Java Software Engineer to join our growing software development team, working on an important, internet-facing web application that provides payments initiation capabilities. The Community Association Banking Technology team is growing and seeking a Senior Java Software Engineer to join us. The Senior Engineer role is to plan, design, develop and launch efficient sys

Java Architect

Sharpedge Solutions

Denver, Colorado, USA

Full-time

Title: Architect Location: Denver, Colorado Onsite Day 1. Key Responsibilities Architecture Leadership: Define and evolve the enterprise architecture roadmap; ensure alignment with business strategies and future growth.Solution Design: Architect robust, distributed systems using microservices and event-driven patterns with high availability and fault tolerance.Technology Strategy: Evaluate, recommend, and integrate modern technologies, frameworks, and platforms to modernize the enterprise stack.

Power Builder, Java, C# Developer

Refulgent Technologies Inc.

Remote

Contract

Remote Available from any where within US HiCAMS is a custom, client-server, PowerBuilder application used to track work, materials and payments on Highways Construction projects. Required Skills: Must have at least 10 years experience working with Highways Construction Projects. Experience with Power Builder 10.0 development and maintenance for HiCAMS. Experience with Sybase database or Strong SQL skills. Experience with Interfaces to HiCAMS using Java, C++, ASP.net, C# Preferred Skills: Dev

Java Technical Lead

TekLeaders, Inc

Ohio, USA

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

Role Name : Services Technical Lead Only W2 Role Description : As a Services Technical Lead, you will be responsible for providing technical leadership and guidance in the development of Java-based applications, primarily using the Spring Boot framework. This role involves a combination of technical expertise, team leadership, project management skills and collaboration along with excellent communication skills. Must Have Skillset: Hands-on Java development Spring Boot framework RESTful API

Scala Developer- Kafka , Graph QL , Restful - Denver CO - Local 2-3 days in office

Optimus Labs USA

Denver, Colorado, USA

Contract, Third Party

Scala Developer- Kafka , Graph QL , Restful - Denver CO - Local 2-3 days in office Requisition Name: C&D E-CMT-Scala Developer Start Date: 6/30/2025 Duration: 26 Weeks Services Location: CO/Denver Hybrid work Description Of Services: Design and develop RESTful and GraphQL APIs using Java and Scala Build event-driven services and microservices that produce and consume messages via Apache Kafka Implement backend systems using frameworks like Spring Boot, Akka HTTP, or Play Ensure reliable, fault-t

Java Scala developer

HCL Global Systems

Denver, Colorado, USA

Contract

Scala Developer Denver/ CO. onsite Relocation is fine Mandatory skills Scala 8+ Years Of Experience Apache Kafka Java 13+ Years of Over IT Experience RESTful GraphQL APIs Springboot Git RESTful and GraphQL APIs using Java and Scala is critical for the success. Other can be secondary skill. Are you able to design and develop RESTful and GraphQL APIs using Java and Scala? Can you build event-driven services and microservices that produce and consume messages via Apache Kafka? Do you have strong

Java/AWS/Node Developer

Millennium Software, Inc.

Remote

Full-time

For our Detroit based client we require Mid and Sr level consultant (2 Positions each) to work on remote basis.

Java with ( Corticon , EDBC , IES)

Apexon

Aurora, Colorado, USA

Full-time

Required Skills: Education: Bachelor's degree in computer science or equivalent 7+ years of experience in Java and J2eeExperience in Integrated eligibility system.2+ years experience with Corticon Rules DevelopmentPreferred Skills: Knowledge of policy within one or more of the State public assistance programsWorking experience with SQLWorking experience with welfare case management/eligibility determination systemsWorking experience within a project team using the Agile methodology and/or th