Java Software Developer - Senior Jobs in Denver, CO

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Software Engineer (Java/SQL)

Comcast Corp

•

Englewood, Colorado, USA

Full-time

Make your mark at Comcast -- a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide. Become part of our award-winning technology team that turns big ideas into cutting-edge products, platforms, and solutions that our customers love. We create space to innovate, and we recognize, reward, and invest in your ideas, while ensuring you can prou
Posted 60+ days ago | Updated 2 hours ago

Software Engineer (Java, MASH, Linux)

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Software Engineer (Java, MASH, Linux) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a talented and driven **Software Engineer (Java, MASH, Linux)** to join our team and contribute to the development of innovative, scalable software solutions. In this role, you will design, implement, and maintain Java-based applications, leverage MASH for middleware integration, and work within Linux environments t
Posted 60+ days ago | Updated 2 hours ago

Java / Python / Kafka Software Engineer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Java / Python / Kafka Software Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dynamic and detail-oriented Java / Python / Kafka Software Engineer to join our team and contribute to the development of scalable, high-performance systems. In this role, you will design, implement, and optimize applications using Java and Python while leveraging Kafka for real-time data processing and event-driven
Posted 60+ days ago | Updated 2 hours ago

Software Engineer (Java, AWS, Linux)

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Software Engineer (Java, AWS, Linux) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and versatile **Software Engineer (Java, AWS, Linux)** to join our dynamic team and contribute to the development of innovative software solutions. In this role, you will design, build, and maintain applications using Java, leverage AWS cloud services for scalability and reliability, and work within Linu
Posted 60+ days ago | Updated 2 hours ago

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

Valueprosite

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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
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Posted 1 day ago | Updated 1 day ago

Senior Full Stack Java Developer (Security Clearance)

IT First Source

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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
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Posted 2 days ago | Updated 2 days ago

Senior Java Developer

Kforce Technology Staffing

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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+
Posted 4 days ago | Updated 8 hours ago

Senior Java Developer - Super Hot - Remote Anywhere in USA

Akrivis Solutions

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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
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Posted 11 days ago | Updated 11 days ago

Backend Java Developer

BGI, LLC

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Remote

Full-time

Position Summary BGI is seeking a skilled and motivated Backend Java Developer to join our growing engineering team. In this role, you will be responsible for designing, developing, testing, deploying, and maintaining the server-side logic and APIs that power an automated material tracking platform. You will leverage your expertise in Java and the Spring Framework to build high-quality, high-performance, and reliable backend services. You will collaborate closely with front-end developers, produ
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Posted 60+ days ago | Updated 30 days ago

Senior Java Developer with Magnolia CMS

DATAMAXIS, Inc

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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
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Posted 12 days ago | Updated 4 hours ago

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
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Posted 9 days ago

Senior Java Developer (Microservices)- (Hybrid)

Citi

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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
Posted 6 days ago | Updated 2 hours ago

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
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Posted 2 days ago | Updated 2 days ago

Sr., Java Full Stack Developer (with SSO and RedHat open shift must)

OpTech

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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
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Posted 20 days ago

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
Posted 12 days ago | Updated 2 hours ago

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

Prodware Solutions

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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
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Posted 2 days ago

Sr. Java J2EE Developer

Ultimo Software Solutions Inc.

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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
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Posted 24 days ago | Updated 24 days ago

Senior Java Developer- Production Support

iCUBE Solutions

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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
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Posted 9 days ago

Sr. Java Developer (REMOTE)

RedRiver Systems L.L.C.

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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
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Posted 16 days ago | Updated 15 hours ago

Senior Java Engineer - Banking Technology

Charles Schwab

•

Lone Tree, Colorado, USA

Full-time

Your Opportunity At Schwab, you are empowered to make an impact on your career. Here, innovative thought meets creative problem solving, helping us "challenge the status quo" and transform the finance industry together. The Banking Technology organization provides strategy and technology partnership to Charles Schwab Bank. Our strategy and technology partnership ensures the delivery of a best in class set of applications selected and designed to support key banking products and services for our
Posted 60+ days ago | Updated 3 hours ago