Senior Java Fullstack Engineer jobs in Westminster

A high-growth fintech startup is seeking a backend-focused engineer in Denver to design and build Java-based microservices. The ideal candidate has 5–7+ years of experience, strong Java and microservices architecture skills, and familiarity with Python. This role involves developing REST and GraphQL

A technology solutions provider is seeking a Mobile QA Engineer in Englewood, NJ. The ideal candidate should have a strong background in Java and Appium, along with 5+ years in software engineering and extensive mobile app testing experience. Responsibilities include creating test plans, automating

A technology solutions firm in Aurora, CO is seeking a talented Software Engineer to design and develop Java-based applications, manage middleware integration using MASH, and work within Linux systems. The ideal candidate must have a Bachelor's degree in a relevant field and strong skills in Java, M

A technology consulting firm in Aurora, CO, is seeking a Java / C / AWS Software Engineer to develop robust software solutions. This role involves designing applications using Java and C, and optimizing systems on AWS. The ideal candidate should have a Bachelor's Degree and strong skills in Java and

SynergisticIT

"Stop Failing Interviews-Start Owning Them" For jobseekers who get interviews but don't convert them into offers If you're getting interviews but not offers, you're closer than you think-yet that final gap can feel brutal. Many candidates spend months learning frameworks and finishing courses, only

Work as a Full-Stack Java Developer using modern open-source frameworks on cloud platforms Utilize AWS services such as S3, EC2, EKS, Lambda, and more Develop backend microservices and APIs using Java, Spring Boot, REST, and JSON Design and implement scalable architectures with ownership of developm

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

Senior Java Engineer – Architect Located in beautiful Boulder, Colorado our team is emerging as a leading producer of secured hardware networks for North America. With an established software development group, this Java engineer will join a small dynamic team of coders to help grow the current prod

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. Consumer Growth Experience Engineering (CGX) builds the platforms and end-to-end experiences that power Affirm’s consumer growt

Coinbase

Ready to be pushed beyond what you think you’re capable of? At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform — and with it, the future global financial system

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. Consumer Growth Experience Engineering (CGX) builds the platforms and end‑to‑end experiences that power affirm’s consumer growt

SynergisticIT

Are you passionate about coding or technology and ready to make your mark in tech? For more than 14 years , SynergisticIT has been helping aspiring developers like you excel in the tech industry. We focus on equipping you with the skills and experience needed to not only secure a job but to thrive i

Research and development | Louvain-la-Neuve (Belgium) About EMAsphere EMAsphere occupies more than 50 employees with offices in Louvain-La-Neuve, Ghent and Paris. As a Senior Software Engineer , you'll contribute to our technologically bleeding-edge Java/Spring Microservices project, working with a

A leading tech staffing company seeks a Java/GraphQL Software Developer in Englewood, CO. The ideal candidate will have 5-7 years of experience in software development and a strong background in Java and GraphQL. You'll design and maintain backend services, support deployments, and work closely with

Our vision for the future is based on the idea that transforming financial lives starts by giving our people the freedom to transform their own. We have a flexible work environment, and fluid career paths. We not only encourage but celebrate internal mobility. We also recognize the importance of pur

SynergisticIT

500+ Leetcode Problems! /Lots of Certifications?—Still No Offers? Let's Get You Offers with a Process which actually works You've done a ton of Leetcode. You've racked up certificates, aced LeetCode challenges, and you know your way around system design like the back of your hand. On paper, you're e

Eliassen Group

Fullstack Engineer Englewood, CO Type: Contract Category: Development Industry: Communications Reference ID: JN -032026-105988 Date Posted: 03/16/2026 Shortcut: http://careers.eliassen.com/wfgi0d Description Recommended Jobs Description: Hybrid 4 days onsite, 1 remote. in Englewood, CO We are seekin

Fullstack Engineer Responsibilities: Executing full lifecycle software development Programming well-designed, testable, efficient code Producing specifications and determine operational feasibility Job brief We are looking for a passionate Software Engineer to design, develop and install software so

A leading recruitment consultancy is seeking a Senior Fullstack Engineer (C# and React) for a hybrid role in Denver, CO. This position involves designing and developing scalable SaaS applications and providing guidance on software engineering techniques. The ideal candidate will have 5-8+ years of e

WHAT WE DO The Customer Success Excellence (CSX) team is The Trade Desk's customer-focused engineering team which takes on high value, measurable, tactical feature work across our platform to capture positive financial outcomes and improve external relationships. We own the full arc from identifying