java/j2ee senior developer Jobs in denver, co

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Java Senior Developer (AVP) - Hybrid

Citi

Remote or Jersey City, New Jersey, USA

Full-time

The Institutional Data Platform team is responsible for the Olympus platform to streamline data sources across Service, Markets, Banking and Client enabling industry leading analytics, client, regulatory, surveillance supervisory risk and finance reporting and data science solutions along with genesis platform. The Java Senior Developer (Applications Development Senior Programmer Analyst - C12) is an intermediate level position responsible for participation in the establishment and implementati

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

Senior Java Developer ***Only on W2***

Valueprosite

Remote

Contract, Third Party

We are seeking a Senior Java Developer with strong AWS experience to join our engineering team. The ideal candidate will be responsible for designing and developing high-performing backend systems and services using Java and AWS cloud technologies. Job Description Design, develop, and maintain scalable backend services using Java (Spring Boot/Spring Framework). Build and deploy microservices on AWS using services like EC2, Lambda, S3, API Gateway, DynamoDB, RDS, and others. Collaborate with cros

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

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

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

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 Full Stack Developer (with SSO and RedHat open shift must)

OpTech

Remote

Contract

OpTech is seeking for Sr., Full Stack Developer with SSO and Redhat experience for their Direct Client. 100% Remote (in Eastern hours).6 months contract.Only W2, No Transfer or sponsorship or C2C allowed,Pay Rate - $63/hour on W2.Required Skills: * Java J2EE * ThymeLeaf preferred (other UI framework acceptable) * Spring boot * MERN stack * Red Hat Open shift platform * SSO. OpTech is an equal opportunity employer and is committed to creating a diverse environment. All qualified applicants will r

Sr. Java J2EE Developer

Ultimo Software Solutions Inc.

Remote or Amaravathi, Andhra Pradesh, India

Contract

Java Spring Boot & Kafka Engineer Minimum 7+ years of professional software engineering experience. Proven expertise in Java, J2EE, Spring Boot, JPA, Axon, and Kafka. Experience using Maven and Gradle build tools Kafka ecosystem. Kafka Streams library. Kafka Avro schemas Strong experience providing end-to-end support for complex enterprise applications. Excellent problem-solving, analytical, and communication skills. Experience working in Agile environments with a continuous delivery mindset. K

Senior Java HSM Developer - Remote

Infinite Computer Solutions (ICS)

Remote

Contract

Role: Senior Java HSM Developer Degree BS degree Experience: 8+ Yrs. Job Location: Remote (US) a Senior level developer that has down EMV chip card development and has HSM knowledge Must have Skill Set: Bachelor s / Master s degree in Software Engineering or Computer ScienceAbility to pick up new technologiesExperience in payment processing industryPOS Systems, EMV, ISO8583, BNPL Integration, Payment Gateways, HSMs, JPOS, JavaPOS, HSMs, PIN Encryption, EMV Certification, PCI, PCI DSS, EMV Crypto

Senior Java Developer with Magnolia CMS

DATAMAXIS, Inc

Michigan, USA

Contract, Third Party

Job Summary: We are seeking a highly skilled Senior Java Developer with expertise in Magnolia CMS to join our dynamic team. The ideal candidate will have strong backend development experience with Core Java and Spring, complemented by modern frontend capabilities and Magnolia content management. You will be responsible for designing, developing, and maintaining scalable web applications using a full stack of technologies. Must-Have Technical Skills: Magnolia CMS: Minimum 3 years of recent, hand

Senior Java Developer (Microservices)- (Hybrid)

Citi

Remote or Tampa, Florida, USA

Full-time

We are seeking a highly experienced Senior Java Developer (Microservices) to lead the design, development, and implementation of modern, distributed application systems using Java and microservices architecture. This role requires deep expertise in Java development within a microservices context, leveraging Spring Boot and related technologies. You will play a key role in shaping our microservices strategy, collaborating with multiple teams to ensure seamless integration and drive innovation wit

Senior Java Developer

Kforce Technology Staffing

Remote or Atlanta, Georgia, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a remote Senior Java Developer to join their team. Summary: We are currently building heavy Java Spring Boot Microservices, Cassandra/Oracle database, hosted in Google Cloud Platform. This person will be tasked with building new services from scratch. This team's codebase is lambdas and streams heavy, so they need to be very confident in all the new java8/11 features. REQUIREMENTS: * Minimum 5 years of professional experience with Java * 4+

Senior Java Developer- Production Support

iCUBE Solutions

Remote

Contract

Job Title: Senior Java Developer- Production Support Location: Remote Duration: Long Term Experience: 8+ Years Job Summary: We are looking for a highly skilled Senior Java Developer with strong expertise in Spring Boot and MongoDB, and hands-on experience in production support activities, including monitoring, root cause analysis (RCA), and hotfix deployment. Experience in the Payments domain is a strong plus. Key Responsibilities: Design, develop, and maintain scalable backend services using

Sr. Java Developer (REMOTE)

RedRiver Systems L.L.C.

Remote

Contract

Join this growing team developing software supporting new software development and integrations of acquired organization(s). This is an opportunity to grow within the organization and provide mentorship and development of other team members while creating elegant scalable solutions. You will develop one or more large complex web applications and create enhancements to existing applications to meet business requirements. Work with management and collaborate across teams to develop application req

Senior Java Backend Developer, AVP

Citi

Remote or Irving, Texas, USA

Full-time

The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Responsibilities: Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications de

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

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

Java SpringBoot Developer

Apex Systems

Englewood, Colorado, USA

Full-time

Job#: 2080113 Job Description: Full Stack Java Developer Location: Denver, CO (Onsite Preferred) Employment Type: Full-Time We are looking for a highly skilled Full Stack Java Developer to join our team and take ownership of designing, developing, testing, and maintaining high-performance applications. This role requires a strong foundation in Java, Spring Boot, and modern front-end technologies, along with a passion for building scalable, secure, and reliable systems. Key Responsibilities D

Java Spark Senior Developer AVP C12 (Irving)

Citi

Remote or Irving, Texas, USA

Full-time

We are looking for a seasoned Developer who is passionate in writing clean and efficient code, building scalable systems, driving engineering excellence in a fast-paced, Agile environment. This role is ideal for developers with deep hands-on experience in Java and Apache Spark, combined with a strong foundation in object-oriented design principles. Responsibilities: Perform detailed impact analysis for code changes with understanding of dependencies across the application componentsDesign and