Back End Software Engineer Jobs in Denver, CO

Refine Results
181 - 200 of 220 Jobs

UI Developer with Vanilla JavaScript 7+ W2

TekVivid

Remote

Contract

Role: UI Developer with Vanilla JavaScript Location: Remote Job Summary: We are seeking a passionate and skilled UI Developer with strong expertise in Vanilla JavaScript to join our front-end development team. The ideal candidate will be responsible for building clean, user-friendly interfaces without relying heavily on frameworks. You should have a deep understanding of HTML, CSS, and core JavaScript. Key Responsibilities: Develop responsive and interactive user interfaces using HTML, CSS, and

Backend Developer (Python, GraphQL,Microservices) - Remote

FlairTech Solutions

Remote

Contract, Third Party

Role: Backend Developer (Python, GraphQL,Microservices) Location: Remote Lead or assist with refactoring legacy code for compatibility with the new StarRocks backend. Implement and maintain GraphQL endpoints that integrate with the new architecture. Write, optimize, and migrate SQL logic from MySQL to StarRocks. Collaborate cross-functionally (no silos); ability to plug in quickly and support various engineering functions as needed. Write tools and scripts for performance/load testing when neede

React Developer

Stellar IT Solutions

Remote or Ann Arbor, Michigan, USA

Full-time, Part-time, Contract, Third Party

Job Title: React Developer Location: Remote Job Duration: 6+ Months Interview: Video Job Description: We are seeking a Mid to Senior-Level React Developer to support a legacy application modernization project. The role involves rewriting components of an existing WebForms application into a modern tech stack using React with TypeScript and a .NET Core API. The ideal candidate will be comfortable navigating legacy code and helping transition to the new architecture, with a strong focus on fro

Java Developer Lead (Front End and Back End) - 5699075

Accenture LLP

Charlotte, North Carolina, USA

Full-time

Accenture Flex offers you the flexibility of local fixed-duration project-based work powered by Accenture, a leading global professional services company. Accenture is consistently recognized on FORTUNE's 100 Best Companies to Work For and Diversity Inc's Top 50 Companies For Diversity lists. As an Accenture Flex employee, you will apply your skills and experience to help drive business transformation for leading organizations and communities. In addition to delivering innovative solutions for

ADA Accessibility Developer---Front End

Allwyn Corporation

Remote

Contract, Third Party

Position: Mobile & Web Developer with Angular/Ionic + ADA Location: Remote Duration: 4+ months Job Description: We are looking for a skilled Front-End Developer who can contribute across both mobile and web (.com) platforms. The ideal candidate will have hands-on experience with Angular and Ionic frameworks, and a strong understanding of ADA compliance to ensure accessibility standards are met across all digital experiences. Responsibilities: Develop and maintain responsive and accessible applic

Lead/Senior Java Backend Developer (Java, Backend, Kafka, Spring Boot, Microservices)

Brillio, LLC

Remote

Full-time, Third Party

Role: Lead/Senior Java Backend Developer (Java, Backend, Kafka, Spring Boot, Microservices) Years of Experience: 10+ years Location: Remote Looking for W2 or Full Time for this remote position. Job Description: Skills: Java, Spring boot, REST API, Kafka, Microservices Contributing to all stages of software development lifecycle Coding, unit testing, implementation, deploying builds, troubleshooting Production and environmental issues, coordination with QA, App Support & Business Design, impleme

Hands-on Technical Manager, Java Developer

Govincorp

Remote

Full-time

Seeking a highly skilled Hands-on Technical Manager, Java Developer to guide and mentor a team of developers in delivering high-quality backend servicesHands-on Technical Managerand APIs. The ideal candidate will possess strong technical expertise in Java, Go, PHP, Node.js, and MySQL, along with solid experience managing development teams and collaborating across functions to deliver scalable solutions. This position is 100% remote Responsibilities: Lead and manage a team of backend developers,

Senior Engineering Manager, Commerce Platform

Dropbox Inc

Remote

Full-time

Dropbox is a Virtual First company. For this role, we are hiring in Zones 2 and 3. Please refer to our Compensation section below to see what neighborhoods fall under each Zone. Role Description At Dropbox, we believe in simplifying the way people work together. We provide a range of innovative cloud and AI-based solutions to empower individuals and businesses to collaborate, scale, and grow. As a Senior Engineering Manager within the Commerce organization, you will lead one of Dropbox's most b

Adobe Experience Manager (AEM) Architect

Alltech Consulting Services, Inc.

Remote or Bellevue, Washington, USA

Contract

Title: Adobe Experience Manager (AEM) Developer / Architect Location: Bellevue-WA-Onsite role Contract role About the Role We are looking for a results-driven AEM Architect with deep expertise in building and architecting scalable, enterprise-grade digital solutions using Adobe Experience Manager (AEM), NET, AI-powered technologies, and modern front-end frameworks. This role is a hybrid of hands-on development and architectural ownership, including technical design, performance optimization, and

Java Backend Application Senior Developer - C14 - JERSEY CITY

Citi

Remote or Jersey City, New Jersey, USA

Full-time

Job Description The Account Master Central (AMC) team within Institutional Service Group (ISG) is seeking a Senior Java Backend Lead Developer to join our engineering team in NJ. Potential candidates MUST have experience with and are enthusiastic about developing all areas of middle-tier and back-end system programming. The responsibilities of this position include but are not limited to: writing large scale Java programs in pure core Java to facilitate both batch and real-time processing. All p

Backend Developer - TypeScript/Node

Covenant Eyes

Remote

Full-time

We do not allow remote work in the following states - CA, CO, CT, LA, ME, MA, NJ, NY, OR, RI, VT, WA, WV, and Washington DC. Overview OverviewWorking at Covenant Eyes is about something bigger than creating and selling software; its about creating a movement and changing culture. At the end of the day you are contributing to saving a marriage, protecting a childs innocence, strengthening a commitment to purity, and working to end sexual exploitation. As a company focused on restoring relationshi

React Native Mobile Architect

Aptino

Remote

Third Party, Contract

Job Description:We are seeking a highly skilled and experienced Senior React Native Developer / Mobile Architect to join our mobile development team. The ideal candidate will have a proven track record of building scalable and high-performance mobile applications using React Native and related technologies. You will be responsible for leading mobile architecture decisions, implementing robust features, and ensuring seamless cross-platform user experiences. Key Responsibilities:Design, develop, a

SAP Fiori Consultant Position - REMOTE

Vailexa Technology LLC

Remote

Contract

Role: SAP Fiori Consultant Location: REMOTE Job Type: Contract Job Overview: An experienced SAP Fiori Consultant (Min 6+ years) with strong understanding of SAP Fiori and SAP UI5 technologies, with hands-on experience in developing and deploying Fiori applications. Qualifications and Skills: SAP Fiori Consultant with a strong understanding of SAP Fiori/UI5, SAP Gateway, and OData services. Experience with SAP S/4HANA, SAP Fiori Launchpad, and custom Fiori application development. Knowledge of AB

Full Stack Developer - Backend / API Development

Zachary Piper Solutions, LLC

Remote

Full-time

Piper Companies is looking for a Full Stack Developer - Backend / API Development to join a strategic global organization a fully remote role working EST / CST hours. The ideal Full Stack Developer - Backend / API Development will design and build scalable backend services while contributing to frontend development efforts. Responsibilities for Full Stack Developer - Backend / API Development: Build and maintain robust, scalable RESTful APIs using Python to power core platform features Collab

Java Backend Developer | Remote

Doyensys Inc

Remote or Dallas, Texas, USA

Contract, Third Party

Doyensys is a Management and Information Technology consulting services company based out of Dallas, TX. With 200+ employees globally, we support customers around the globe to solve their business and technology challenges. Great culture, excellent benefits , consistant growth are some of the attributes of Doyensys. We look for great talents to join our thriving team. Why settle for less?Job Title: Java Developer Location: Remote is ok. Most team members work outside of the Cincinnati area. Core

Angular UI Architect

Bramkas Inc.

Remote

Contract

Angular UI Architect Location: United States RemotePosition Type: Contract / Contract-to-Hire (CTH)Experience Level: 12+ yearsMust have Skill : Architect , Angular UI ExperienceJob Summary We are seeking a hands-on Angular Architect / Senior Lead with strong technical depth and client-facing experience. The ideal candidate will be skilled in building scalable, high-performance web applications using Angular (v10+) and related technologies. This role involves leading from the frontworking on cri

Sr Golang Developer/Remote

Motion Recruitment Partners, LLC

Toronto, Ontario, Canada

Full-time

Our client is a leading provider in Payment Gateways and solutions. They are looking to hire a Backend Developer for their Canadian team to help with their expanding business opportunities and growth. Required Skills & Experience 8+ years of experience in backend software development Desired Skills & Experience Golang, Kubernetes, K8's, Kafka, and AWS What You Will Be Doing Tech Breakdown 100% Back-End Daily Responsibilities Hands on Development Team Collaboration Applicants must be curre

Back End Python API Developer

Eliassen Group

Anywhere, US

Contract

Description: **100% Remote** Back-End Python Developer as part of a Data Engineering Team responsible for developing APIs for a Data Visualization Tool. Due to client requirement, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance. Pay: $65 - $70/hr W2 Responsibilities: Hands-on Back-End Python Developer to help build a highly c

Senior React Developer (10+ Years Experience) - Remote

URSI Technologies Inc.

Remote

Contract, Third Party

Position Senior React Developer (10+ Years Experience)Location RemoteDuration 1+ Year (Extendable) Job Description: We are seeking a highly skilled Senior React Developer with over 10 years of experience in frontend development. The ideal candidate will have deep expertise in JavaScript, React.js, TypeScript, and modern UI/UX principles. You ll be responsible for leading frontend architecture, mentoring developers, collaborating with cross-functional teams, and delivering high-performance, scal

Staff Site Reliability Engineer, Incident and Disaster

Dropbox Inc

Remote

Full-time

Dropbox is a Virtual First company. For this role, we are hiring in Zones 2 and 3. Please refer to our Compensation section below to see what neighborhoods fall under each Zone. Role Description The Incident and Disaster Team aims to reduce Customer pain by speeding up incident response through standardized incident management processes and tooling as well as through incident prevention strategies such as disaster readiness , chaos testing, safer tooling, stronger controls, automated conformanc