Java Backend Lead Developer Jobs in Denver, CO

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(USA) Principal, Software Engineer

Walmart Inc.

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Remote or Denver, Colorado, USA

Full-time

Position Summary Are you ready to lead and innovate in the tech industry? Join the Walmart/VIZIO Team as a Principal Software Engineer and drive the development of cutting-edge cloud applications. This is a unique opportunity to influence the future of technology with one of the world's largest retailers and a leading brand in consumer electronics. What you'll do About the Team The Walmart/VIZIO Team is dedicated to creating seamless and scalable software solutions that enhance the customer ex
Posted 2 days ago | Updated 9 hours ago

Data Scientist

Aditi Consulting

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Remote or Thousand Oaks, California, USA

Contract

Payrate: $45.50 - $50.05/hr. Summary: This role will involve integrating complex data sources, performing data analytics, and developing visualizations and dashboards and helping to design and implement sophisticated process automation for business processes, analytical models, and artificial intelligence applications. Responsibilities: Build a wide range of data and analytics solutions, from descriptive to prescriptive, using advanced statistical and machine learning models. Leverage large data
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Posted 5 days ago | Updated moments ago

Fullstack Architect

Photon

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Remote

Full-time, Third Party

We are seeking a visionary and hands-on Fullstack Architect with deep expertise in Java, React.js, and application/web architecture to lead the design and development of scalable, secure, and high-performance solutions. This role involves owning the full stack technology direction, mentoring development teams, and ensuring architectural alignment with business goals. Key Responsibilities:Design and oversee the architecture of fullstack solutions (backend, frontend, web, and app platforms).Define
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Posted 12 days ago | Updated 11 days ago

ArcGIS Full Stack Developer

Creative IT Inc

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Remote

Third Party, Contract

Job Summary: We are seeking Senior Full Stack Developers with strong expertise in Angular 19, Java/Spring Boot, and ESRI ArcGIS. The ideal candidates will possess deep front-end and back-end development experience and must have hands-on knowledge of ESRI ArcGIS tools and APIs. This role is critical in delivering robust, scalable, and map-integrated web applications. Key Responsibilities: Design and develop full stack web applications using Angular 19, Spring Boot, and ArcGIS.Build interactive GI
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Posted 4 days ago

Cisco UCCE Full Stack Developer with Nuance

SOIMEXCS

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Remote

Contract

Job Title: Cisco UCCE Full Stack Developer with Nuance Location: Remote (USA) Job Type: Contract Pay Rate: $60/hour. Sponsorship: H1B and Sponsorship available. No OPT F1 Experience Level: 8+ Years Job Description: One of our team needs a Cisco UCCE Full Stack Developer with experience in Nuance speech recognition technologies. This role includes developing, maintaining, and supporting Cisco UCCE solutions, integrating with Nuance speech applications Requirements: * 8+ years of experience deve
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Posted 4 days ago

SaaS Web and AI Application Developer

Ecosystems Services, LLC

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Remote

Full-time, Third Party

Job Description: SaaS Web and AI Application Developer Why Join? Deep impact: Shape a category-defining SaaS platform used by industry leaders, such as Google Cloud, HP, and ServiceNow.Fast-paced innovation: Work in AI/ML, next-gen user experience, real-time data, APIs and microservices.Remote-first excellence: Supported by a world-class, collaborative team.Purpose-led environment: Make genuine contributions to client and team success through continual innovation. Who Were Looking For A motivate
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Posted 26 days ago | Updated 20 days ago

Ruby on Rails Developer

kjohn@samrusystems.com

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Remote

Full-time

Ruby On Rails Developer (Need to have experience Leading team and working on Complex Projects) Minneapolis, MN - 3 Roles Remote Required Qualifications: Ruby on Rails or similar MVC framework knowledge (Django, Spring, etc.) Ruby experience or similar dynamic language (Javascript, Python) MongoDB or similar NoSql database. Front end skills (HTML, CSS, Vue.js or similar). Strong communication and problem solving skills. Attention to detail and clean coding skills. Preferred Qualifications: Expe
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Posted 17 days ago | Updated 2 days ago

Senior Full Stack Engineer, Growth

Calendly

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Remote

Full-time

About The Opportunity Calendly is one of the most loved scheduling platforms in the world - and our opportunity for product-led growth is still massive. As a senior full stack engineer on our Growth team, you'll work on high-impact experiments that drive acquisition, activation, retention, and monetization for millions of users. This is not a typical feature development role. You'll ship measurable experiments across the stack, build rapid MVPs, dig into data, and help shape our growth strateg
Posted 20 days ago | Updated 9 hours ago

Scala Developer-Remote

mProgen

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Remote

Contract

Design and develop RESTful and GraphQL APIs using Java and ScalaBuild event-driven services and microservices that produce and consume messages via Apache KafkaImplement backend systems using frameworks like Spring Boot, Akka HTTP, or PlayEnsure reliable, fault-tolerant Kafka integration, including schema validation, error handling, and retriesCollaborate with frontend and platform teams to define clear API contracts and integration patternsContribute to code quality, testing, and CI/CD automati
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Posted 9 days ago | Updated 1 day ago

Software Engineer (Java, MASH, Linux)

Cymertek Corporation

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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 9 hours ago

Java / C / AWS Software Engineer

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Java / C / AWS 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 versatile and innovative Java / C / AWS Software Engineer to join our team and contribute to the development of robust, scalable, and secure software solutions. In this role, you will work on designing, building, and optimizing applications using Java and C while leveraging the power of AWS cloud services. You will collabo
Posted 60+ days ago | Updated 9 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 9 hours ago

Sr. Kony Developer

Fiekon

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Remote

Contract

Role: Sr Kony Developer Location: Cincinnati, OH (Initial Remote) Job Type: Long Term Contract Job Overview: We are currently seeking a highly skilled Senior Kony Developer to support a leading client in the banking domain. The ideal candidate will have extensive experience with the Kony (now Temenos Quantum) platform, particularly Kony Visualizer and MobileFabric, and a strong background in enterprise mobile application development. A thorough understanding of backend integration and experience
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Posted 19 days 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 9 hours ago

Java Software Engineer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Java 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 skilled and passionate Java Software Engineer to join our team and contribute to the design, development, and maintenance of high-quality software solutions. In this role, you will work on building reliable, scalable, and secure applications using Java, collaborating with cross-functional teams to deliver innovative solutions that m
Posted 60+ days ago | Updated 9 hours ago

Senior Genesys Cloud Developer (Certified)

3S Business Corporation Inc.

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Remote

Third Party, Contract

Hi Hope doing good. Please find the JD and let me know. Job Title: Senior Genesys Cloud Developer (Certified) Remote Contract (C2C/W2) Location: 100% Remote (U.S. Time Zones Preferred) Job Type: Contract C2C / W2 We are actively seeking a Senior Genesys Cloud Developer with 10+ years of experience in contact center technologies, specializing in Genesys Cloud IVR development and AWS integration. The ideal candidate is a certified Genesys Cloud professional with strong hands-on expertise in design
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Posted 11 days ago | Updated 2 days ago

Software Developer

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Software Developer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY Are you a creative and driven individual who loves turning ideas into functional, efficient software solutions? We are looking for a talented Software Developer to join our team and help design, develop, and maintain high-quality applications. In this role, you'll collaborate with a dynamic group of professionals, apply your problem-solving skills, and
Posted 60+ days ago | Updated 9 hours ago

.Net Developer ( Senior Developer) / Durham, NC(Remote)- 6 Months Contract

Suncap Technology

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Remote or Durham, North Carolina, USA

Contract

Need Sr .NET Developer Durham, NC (REMOTE) 6 Months Contract Interview Process: 1 st round : .NET ( 30 Min) & Oracle Pl/SQL (30 Min) test with Vendor 2 nd round : 30 min video Technical round with vendor team for Java NEED 15 + yrs Total IT experience with .Net and Oracle Need mandatory : .NET : yrs exp Oracle PL/SQL : yrs exp ASP.NET Webforms, .NET C#, Java Script/jQuery - To work on huge enterprise ASP.NET websites & many .NET backend systems - Very strong ASP.NET UI development experienc
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Posted 15 days ago | Updated 6 hours ago

Full Stack Developer (W2 Only)

Apidel Technologies

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Remote or Philadelphia, Pennsylvania, USA

Contract

Team Info: Team of 3 engineers. Building Content Management services for internal projects. Working on highly scaled applications. There is a separate team that works on application building and the whole infrastructure. This team is for building self-service tools. Must have skills: Looking for 5 to 8 years of Full-stack developer 60% UI and 40% Backend role. UI They are using React but are fine with any other JavaScript experience Backend - Java OR Kotlin OR any JVM-based Testing & Deployment
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Posted 60+ days ago | Updated 28 days ago

Backend Software Engineer

eBay Inc.

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Remote or San Jose, California, USA

Full-time

At eBay, we're more than a global ecommerce leader - we're changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We're committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the futur
Posted 14 days ago | Updated 9 hours ago