71 java reactjs developer jobs at 38 companies in Loveland, CO

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1w
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Staff Engineer (Java)
Los Angeles or Broomfield
$155k-$180k/yr HybridFull Time
Magnite
MagniteNASDAQ: MGNI: Independent sell-side platform for digital media advertising.
6+ YOE6+ years production Java experience, expertise in microservices, Spring Boot, Docker, AWS, relational and NoSQL databases, messaging systems, CI/CD, and automated testing.
Java, Spring Boot, Docker, AWS, EC2, ECS, Hibernate, MySQL, Oracle, Postgres, Redis, MongoDB, DynamoDB, RabbitMQ, Kafka, Maven, Git, Jenkins, Puppet, Jira, JavaScript, React, Ant Design, Material UI, React Bootstrap, Model Context Protocol (MCP)
1mo
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Senior Software Engineer - Java/Kotlin
Boulder, Colorado, United States
$131k-$167k/yr OnsiteFull Time
Garmin
GarminNYSE: GRMN: Designs and manufactures GPS-enabled navigation and wearable technology products.
5+ YOEBachelor's in CS/CE/SE or equivalent and 5+ years experience; mastered Java/Kotlin with Spring; experience designing software systems, microservices, REST APIs, databases, Docker/Kubernetes; strong communication and leadership skills.
Java, Kotlin, Spring Framework, Spring Boot, Spring Cloud, Spring Security, WebFlux, Microservices, RESTful API, Relational Databases, NoSQL, Docker, Kubernetes, Lit, Angular, Svelte, React, Vue, Agile
2d
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Lead Software Engineer (Microservices/Java/Spring boot /Cloud)
Earth City or Atlanta or Hopkins or Chicago or Cincinnati or Denver or Brookfield or Irving
$127k-$149k/yr HybridFull Time
U.S. Bank
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
6+ YOEBachelor's or equivalent,6+ years relevant experience,expertise in microservices,Java/Spring Boot,cloud-native development,distributed systems,DevOps and CI/CD practices.
Java, Spring Boot, Node, NPM, React, REST, Kafka, Jenkins, CloudBees, GitLab, Apigee, Istio, Kubernetes, Rancher, Azure, AWS
1mo
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Senior Software Engineer – API & Cloud Integrations (Java, AWS)
Denver or Cedar Rapids or Philadelphia
$94k-$120k/yr HybridFull Time
Transamerica
TransamericaNYSE: AEG: Provides insurance, retirement solutions, and investment products to customers.
3+ YOEBachelor’s or equivalent experience; 3+ years Core Java; experience with Spring, microservices, APIs, databases (RDBMS/NoSQL), cloud (AWS/Azure), CI/CD, and integration frameworks; strong analytical and communication skills.
Java, Core Java, Spring Framework, Spring Boot, Spring MVC, J2EE, Entity Framework, IIS, Swagger, Swagger API, OData, .NET API 2, .NET API Core, AutoMapper, MS Cosmos DB, Microsoft Cosmos DB, Apache Cassandra, Amazon DynamoDB, AWS, Azure, EC2, ECS, S3, Kinesis, Microsoft VMs, Microsoft Blob, Microsoft Data Factory, Microsoft SQL Data Warehouse, Microsoft ARM Templates, Microsoft Event Hubs, Visual Studio, Git, Bitbucket, Maven, Jenkins, Nexus, SQL Management Studio, NUnit, Ajax, MS HPC, SageMaker, Spark, API Gateways, Apache Camel, Zookeeper, Kafka, Docker, OpenShift, Kubernetes, Angular, React, Vue.js, ASP.NET MVC, HTML, JS, CSS
3w
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Principal Software Engineer
Golden, Colorado, United States
$195k-$250k/yr HybridFull Time
Tradeweb Markets
Tradeweb MarketsNasdaq: TW: Operates electronic marketplaces for fixed income and derivatives trading.
8+ YOE8+ years full-stack engineering experience, 5+ years contributing to architecture, AWS/cloud experience, Java Spring/Python or Rust, SQL, ReactJS, REST/RPC, experience with resilient distributed systems and mentoring skills.
Anthropic Claude, Java Spring, Python, Rust, SQL, ReactJS, REST, RPC, AWS, CI/CD
1w
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Software Engineer - iOS/Android
Denver or Strongsville or Pittsburgh or Birmingham or Dallas
$60k-$150k/yr OnsiteFull Time
PNC Financial Services
PNC Financial ServicesNYSE: PNC: Provides banking, lending, and investment services to customers.
5+ YOEBachelor's or equivalent,5+ years software development,3+ years Java enterprise experience,proficiency with Java,Spring Boot,REST,SQL,Git,frontend frameworks,and mobile iOS/Android development.
Java 11, Java 17, Spring Boot, Spring MVC, Hibernate/JPA, REST APIs, Microservices, Maven, Gradle, Angular, React, Vue, JavaScript, TypeScript, HTML5, CSS3, Swift, Objective-C, Kotlin, Android SDK, iOS SDK, React Native, Flutter, Oracle, PostgreSQL, SQL Server, MongoDB, AWS, Microsoft Azure, Google Cloud Platform, Docker, Kubernetes, Git, Jenkins, SonarQube, Jira, Postman, Kafka, GitHub Actions, Azure DevOps, GitLab
1mo
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Software Engineer
Aurora, Colorado, United States
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
3+ YOE3+ years designing and developing software; proficiency with Python or Java; experience building RESTful APIs, cloud environments (AWS/Azure/GCP), and full-stack development; TS/SCI clearance with polygraph; Bachelor's in STEM required.
Python, Java, Vue, Node, AWS, Azure, GCP, RESTful APIs, Linux, Docker, Kubernetes, C#, C, C++, JavaScript, React
4d
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Senior Mobile Developer (Android)
Denver, Colorado, United States
HybridFull Time
Endava
EndavaNYSE: DAVA: Provides software engineering and digital transformation consulting services.
4+ YOE4–8 years Android development experience; strong Android SDK, Jetpack, Coroutines, Android Studio, Kotlin and Java skills; working knowledge of Swift or Objective-C; mobile security and offline storage experience.
Android SDK, Jetpack, Coroutines, Android Studio, Swift, Objective-C, Kotlin, Java, Flutter, React Native, Firebase, GraphQL, JUnit, Espresso, XCTest
3mo
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Software Engineer
Aurora or Annapolis Junction
$72-$84/hr HybridFull Time
EverWatch
EverWatch: Develops software and intelligence systems for government agencies.
5+ YOE5+ years in software engineering; Java, Spring Boot, Kafka; WebSockets; microservices; SQL/NoSQL databases; OCI containers; Docker/Kubernetes; TS/SCI clearance with polygraph; Bachelor's in Software Development/Engineering
Java, Spring Boot, Kafka, WebSockets, Microservices, MySQL, PostgreSQL, MongoDB, Docker, Kubernetes, OCI containers, ReactJS, HTML, JavaScript, CI/CD, Jira, Confluence
4d
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API Developer
Pittsburgh or Cleveland or Dallas or Birmingham or Phoenix or Denver
OnsiteFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
8+ YOE8+ years Java/J2EE experience building RESTful APIs using Spring Boot and microservices; experience with DevOps, Kafka, IBM MQ, SQL/NoSQL and cloud platforms required.
Java, J2EE, Spring Boot, Microservices, REST API, Angular, XML, JSON, Swagger, Jenkins, uDeploy, GIT, Kafka, IBM MQ, SQL, No Sql, AWS, Azure, GitHub, CI/CD, React, JavaScript, HTML, CSS, JSON Web Token (JWT), UML, XPath
2mo
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Full Stack Software Engineer
New York City or Denver
$125k-$160k/yr HybridFull Time
Gen II Fund Services
Gen II Fund Services: Global fund administration for private capital asset managers.
3+ YOE3+ years full stack development with Java, Spring, TypeScript/React; SQL Server; CI/CD; microservices; Git; agile; strong communication.
Java, Spring Boot, Spring Security, Spring Data, TypeScript, React, SQL Server, Azure DevOps, Docker, Kubernetes, JUnit, Mockito, Jest, Playwright, Claude Code, Cursor, LangChain, LangGraph, Sage Intacct
4d
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Software Engineer
Cary or Chicago or Peoria or Westminster or Irving
$98k-$158k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
5+ YOE5+ years software development experience; Bachelor's in CS/SE/CE or equivalent; experience with React/Next.js/TypeScript, Java Spring Boot or Node.js; CI/CD, automated testing, and Agile practices.
React, Next.js, TypeScript, Java Spring Boot, Node.js, JavaScript, AWS, Azure, Vercel, Claude Code, GitHub Copilot, Copilot CLI, Claude, ChatGPT, Gemini, Cursor
2mo
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Senior Software Engineer I
San Francisco or Denver or New York City
$200k-$230k/yr HybridFull Time
Forge Global
Forge GlobalNYSE: FRGE: Marketplace for trading private shares and pre-IPO stock.
3+ YOE3–5+ years of OO development (TypeScript, C#, Java); Python for data tasks; React + Tailwind; data architectures; private markets data; CI/CD; cloud platforms; Git; Agile.
TypeScript, C#, Java, Python, React, TailwindCSS, PostgreSQL, AWS, Azure, GCP, Git, GitHub, Kafka, WebSockets, JIRA, CI/CD, Data orchestration, Docker, Kubernetes
2mo
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Senior Application Developer
Aurora, Colorado, United States
$85k-$95k/yr HybridFull Time
University of Colorado
University of Colorado: Public research university providing higher education and healthcare services.
2+ YOESenior developer for identity and access management; design, develop, and support secure, multi‑system web apps with identity/authentication integrations.
ASP.NET, NodeJS, MVC, TypeScript, Angular, Vue, React, MySQL, Oracle, MSSQL Server, Java, Python, Ruby, C#
4d
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Software Engineer
Englewood or Denver
$120k-$180k/yr OnsiteFull Time
Altamira Technologies
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
Bachelor's degree in CS/CE/EE or related, experience with Java/Python/JavaScript and related stacks, TS/SCI clearance required, CI poly preferred, experience with containerization, Kubernetes, and ELK/Redis/databases.
Java, Python, JavaScript, Angular, React, ElasticSearch, ELK stack, Redis, Web Services (REST), docker, lxc, Kubernetes, helm, Machine Learning, Data Analytics, Android, NoSQL, SQL
2mo
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Lead Full Stack Software Engineer
Golden or Carmel
$154k-$205k/yr OnsiteFull Time
Allegion
AllegionNew York Stock Exchange: ALLE: Manufactures and sells security products and access control solutions.
10+ YOE1+ Mgmt10+ years software development with 1-2 years leadership; expert in Java, React; Golang helpful; AWS cloud experience; strong architecture and CI/CD knowledge.
Java, React, Golang, AWS, CI/CD, Agile, Git
1mo
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Software Engineer
Aurora, Colorado, United States
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
3+ YOE3+ years software engineering experience; proficiency with Python, Java, web stacks (Vue/Node), Agile, cloud (AWS/Azure/GCP), RESTful APIs; TS/SCI clearance with polygraph required; Bachelor’s degree in a STEM field.
Python, Java, Vue, Node, AWS, Azure, GCP, RESTful APIs, Linux, Docker, Kubernetes, C#, C, C++, JavaScript, React
4d
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Senior R&D Software Engineer, Fivetran AI
Denver, Colorado, United States
$164k-$197k/yr HybridFull Time
Fivetran
Fivetran: Automates data movement into cloud data warehouses.
5+ YOE5+ years programming with Python and/or Java, experience with SQL and data warehouses, full-stack development, research-to-production prototyping, SRE/on-call responsibilities, and product-focused engineering.
Python, Java, SQL, dbt, Claude, ChatGPT, Gemini, vector databases, BigQuery, Snowflake, Databricks, MCP protocol, React, TypeScript, Postgres, Kubernetes, Docker, AWS, GCP
1w
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Software Engineer II
Denver, Colorado, United States
$90k-$100k/yr HybridFull Time
Vertafore
VertaforeNYSE: ROP: Provides cloud-based software solutions for the insurance industry.
3+ YOEBachelor's degree,3+ years professional software engineering experience,proficiency in C#/.NET,Python or Java,database and ETL experience,SQL skills,React and Git experience,excellent communication and Agile experience.
C#/.NET, Python, Java, MS SQL, PostgreSQL, SSIS, BIML, SQL Server Management Studio, Visual Studio, IntelliJ, React, Git, Copilot, AWS, REST, ETL
3mo
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Software Engineer II
Atlanta or Austin or Boston or Chicago or Denver or New York or San Francisco or United States
$115k-$188k/yr HybridFull Time
Iterable
Iterable: AI-powered customer engagement and cross-channel marketing automation platform.
3+ YOE3+ years software development; proficient in Scala and/or Java; building production-ready web apps; Elasticsearch and Postgres experience; strong collaboration in a distributed environment; English fluency; willingness to on-call.
Scala, Elasticsearch, Postgres, Redis, CRDB, Pulsar, Kafka, AWS, Docker, Kubernetes, React