Senior Java Backend Engineer jobs in Arvada

Title: Senior Scala Backend Engineer Location: Denver, CO (On-site) Duration: 6 months (possibility of extension) JD: JOB SUMMARY Looking for a strong Scala backend engineer with microservices experience to work in a small, agile team. The team develops client-facing REST APIs that provide data for

Software Engineer (Java/Spring or Typescript/Angular/Node) Aurora, CO or Meridian, CO (Location is at program discretion) Applications will be accepted on an ongoing basis. ICR has opportunities available for experienced and motivated Software Engineers (Java/Spring or Typescript/Angular/Node). Esse

Multiple positions available. Job Duties Build a suite of software using Java, Flink, and Pulsar to identify pricing inefficiencies in live trading markets. Assist with development of in-house hybrid cloud application frameworks. Understand the full lifecycle and intricacies of a trading platform, i

A leading technology-driven organization is seeking a Senior Software Developer to support backend development and AI projects. The role involves designing and maintaining backend services using Python and Node.js, integrating server-side logic, and optimizing non-relational databases. Candidates sh

\ \ \ W2 Opportunity only! No C2C and GC/USC Candidates only Software Engineer (Java / .NET) – Onsite Locations: Berkeley Heights, NJ | Greenwood Village, CO | Omaha, NE Type: 1-Year+ Contract \\*\*W2 Opportunity only! No C2C and GC/USC Candidates only Overview We are seeking an experienced Software

This is a full time, remote position. Must be located in the following areas: New York, NY/Denver, CO/Atlanta, GA/Silicon Valley, CA. There is no sponsorship or work visa transfers being offered for this position, at this time. We are seeking an experienced Staff Software Development Engineer to be

Experis/Manpower Group

Local Colorado candidates only - onsite interview required No 3rd parties or C2C allowed for this role Our client is seeking a Java Engineer to join their dynamic team. The ideal candidate will demonstrate adaptability, strong problem-solving skills, and excellent communication abilities, which will

A leading SaaS technology provider in Denver is seeking a Staff Backend Software Engineer. In this role, you will lead the design and implementation of high-performance backend services, mentor other engineers, and drive modern software development practices. The ideal candidate has over 10 years of

Job Description We are l hiring a Senior Backend Engineer with deep Django expertise to help drive the next generation of RangeGPT—an intelligent cyber range design and analysis platform that blends real-time infrastructure automation, scalable backend services, and AI-driven orchestration. RangeGPT

EverDriven

EverDriven is the nation's leading provider of alternative student transportation, partnering with school districts to serve students who need it most-including those experiencing homelessness, living with disabilities, or outside traditional bus routes. Our tech-enabled, human-led model helps remov

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. Join the Credit Engineering group and partner with Product and Credit Risk to solve complex challenges on how to protect consum

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. Join the Credit Engineering group and partner with Product and Credit Risk to solve complex challenges on how to protect consum

RTX Corporation

Date Posted: 2026-04-06 Country: United States of America Location: US-PA-STATE COLLEGE-5A ~ 302 Science Park Rd ~ BLDG 5A Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to

Backend Java Engineer (AI-Driven SaaS Platform) Location: Remote (U.S. only) – Preference for Denver, Atlanta, NYC Metro, Austin or Silicon Valley Experience: 7+ Years Employment Type: Full-Time \ Must live in the US\ About the Role We’re partnering with a fast-growing, venture-backed SaaS company t

KellyMitchell Group

Job Summary: Our client is seeking a Senior QA Engineer (Backend/API Testing) to join their team! This position is located in Greenwood Village, Colorado. Duties: Perform manual testing of Java/Spring Boot microservices Test and validate REST APIs using Postman or Swagger Analyze logs and stack trac

Prime Therapeutics

At Prime Therapeutics (Prime), we are a different kind of PBM, with a purpose beyond profits and a unique ability to connect care for those we serve. Looking for a purpose-driven career? Come build the future of pharmacy with us. Job Posting Title Software Engineer (Java Full-stack) Job Description

RTX Corporation

Date Posted: 2026-04-06 Country: United States of America Location: US-PA-STATE COLLEGE-5A ~ 302 Science Park Rd ~ BLDG 5A Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is requi

U.S. Bank National Association

$8,783 - $10,333 /year

At U.S. Bank, we’re on a journey to do our best. Helping the customers and businesses we serve to make better and smarter financial decisions and enabling the communities we support to grow and succeed. We believe it takes all of us to bring our shared ambition to life, and each person is unique in

Company Overview AdCellerant is an award-winning tech-enabled services company that has brought Madison Avenue-level digital marketing solutions to Main Street businesses since 2013. We help local marketers, media companies, agencies, and channel sales organizations leverage our proprietary advertis

Eliassen Group

.NET Backend Engineer Anywhere Type: Contract Category: Development Industry: Manufacturing Workplace Type: Remote Reference ID: JN -032026-106153 Date Posted: 03/25/2026 Shortcut: http://careers.eliassen.com/3xUfNc Description Recommended Jobs Description: Remote Our client seeks a backend engineer