Back End Engineer Jobs in Denver, CO

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161 - 180 of 247 Jobs

ReactJS Lead Developer

Photon

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Remote

Third Party, Contract

ReactJS Lead Developer Remote Responsibilities: React Development: Build and maintain reusable UI components using React and its ecosystem (e.g., hooks, state management). Leading a team of developers and peer code review. UI Implementation: Translate UI/UX designs and wireframes into clean, efficient, and maintainable code using HTML, CSS, and JavaScript/TypeScript. State Management: Implement and manage application state effectively using libraries like Redux, Context API, or other state mana
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Posted 14 hours ago

Software Engineer(Java / Spring Boot)

High Bridge Consulting

•

Remote

Contract

Our client is a Fortune 500 financial and payments technology company, and leads the industry in innovation, scale, and service. They are now looking to add to their team and are looking to hire a "Software Engineer . This role will be based in Columbus, GA, and is 100% Remote. Responsibilities: Works throughout the software development life cycle and performs in a utility capacity to create, design, code, debug, maintain, test, implement and validate applications with a broad understanding of
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Posted 30 days ago

Front-End Developer

Elegant Enterprise Wide Solutions

•

Oregon, USA

Full-time, Third Party

About this Position: Job Title: Front-End Developer Responsibilities: Develop responsive, accessible user interfaces for web-based assessment, instructional, and professional development platforms. Build and maintain front-end components using Vue.js, adhering to the latest best practices and compatibility standards. Ensure cross-browser and cross-platform functionality, including support for Windows, macOS, Chromebooks, and iPads. Implement WCAG 2.0 Level AA accessibility features, such as scre
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Posted 2 days ago | Updated 1 hour ago

Java Backend Developer- AVP

Citi

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Remote or Rutherford, New Jersey, USA

Full-time

The Java Backend Developer is responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Responsibilities: Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement n
Posted 14 days ago | Updated 9 hours ago

SQL Server Developer / Performance Tuning - REMOTE - W2 or 1099 ONLY

DataEdge Consulting, Inc.

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Remote

Contract

Sr. SQL Server Developer / Data Engineer REMOTE Charlotte NC Preferred About our Customer: Our direct customer, a global Fortune 500 company & a leader in the Food Services industry is looking for Senior SQL Server Developer / Data Engineer ( to Modernize a legacy SQL Server data layer by translating complex joins and procedures into optimized, scalable patterns for containerized services. Responsibilities: Play a critical role in ensuring high-performance data access and preparing the system fo
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Posted 3 days ago | Updated 3 days ago

Junior React Native Developer

Proventus Metrics

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Remote

Full-time, Third Party

Job Position :- Junior React Native Developer Experience :- 3 to 6 yrs Location :- Remote (In Texas) Application Development: Building and maintaining high-quality React Native applications for iOS and Android.UI/UX Implementation: Creating pixel-perfect user interfaces that align with design specifications, often involving translating visual concepts into functional application experiences.Performance Optimization: Diagnosing and resolving performance bottlenecks to ensure optimal speed, resp
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Posted 15 hours ago

Role: .Net Full stack Developer at Remote

Neo Prism Solutions, LLC

•

Remote

Contract

Job Title: .Net Backend Developer Developer Location : Dallas, TX (Remote) 1099 & C2C - Direct client Experience: 15+ years Skills : "React" and "Azure" need SKILLS/EXPERIENCE REQUIREMENTS 15 years application development experience with the Microsoft .NET platformStrong .NET Core (C#) experience with Web Services/API's, HTML/CSS (Bootstrap)Demonstrated proficiency with SQL, stored procedures, and database designThorough understanding of object-oriented development (OOD), Domain driven design, i
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Posted 8 days ago | Updated 14 hours ago

Software Developer

Eliassen Group

•

Englewood, Colorado, USA

Contract

Description: **Hybrid | Englewood, CO** Our client is currently building a next-generation network monitoring platform designed to proactively identify and resolve issues before they impact performance. As part of transitioning development from offshore to onshore, our client is expanding their engineering team with experienced backend Java developers who can help bring this platform to life. This is a critical initiative that requires strong technical expertise, collaborative problem-solving,
Posted 8 hours ago

Senior Manager of Engineering, Insights

DigitalOcean

•

Denver, Colorado, USA

Full-time

Dive in and do the best work of your career at DigitalOcean. Journey alongside a strong community of top talent who are relentless in their drive to build the simplest scalable cloud. If you have a growth mindset, naturally like to think big and bold, and are energized by the fast-paced environment of a true industry disruptor, you'll find your place here. We value winning together-while learning, having fun, and making a profound difference for the dreamers and builders in the world. We want pe
Posted 20 days ago | Updated 9 hours ago

Angular Developer

Cloudpaths

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Remote

Contract

Job Title: Angular Developer Location: Remote Contract role. Job Description: This role will be responsible for designing, developing, and maintaining web applications that facilitate the exchange of financial information. You will work closely with cross-functional teams to ensure the seamless integration of FIX protocols into our applications. RESPONSIBILITIES Develop and maintain responsive web applications using Angular.Implement financial information eXchange (FIX) protocol standards to ena
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Posted 22 days ago

.NET Backend Developer (AI Chatbot Integration) - W2

Imetris Corporation

•

US

Contract

No C2C- Only W2 Do not submit if you dont have - hands-on experience integrating with AI chatbot platforms such as OpenAI, Microsoft Bot Framework, or Dialogflow Job Description: We are looking for a .NET Backend Developer with hands-on experience integrating with AI chatbot platforms such as OpenAI, Microsoft Bot Framework, or Dialogflow. The role focuses on building scalable backend APIs and microservices while enabling intelligent real-time chatbot responses. Must-Have Skills: Soli
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Posted 10 days ago | Updated 1 hour ago

API Developer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

API Developer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented API Developer to join our team and play a key role in designing, building, and maintaining robust APIs that power our applications and services. In this position, you will collaborate with cross-functional teams to create scalable, secure, and high-performance solutions that integrate seamlessly with various platforms and services.
Posted 60+ days ago | Updated 9 hours ago

C / C++ / Java Software Developer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

C / C++ / Java Software Developer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and versatile C / C++ / Java Software Developer to join our dynamic team. In this role, you will work on developing, testing, and optimizing high-performance software solutions across multiple platforms. The ideal candidate will be passionate about coding, problem-solving, and working in a collaborative environme
Posted 60+ days ago | Updated 9 hours ago

UI Developer with React JS and Ember JS

TekVivid

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Remote

Contract, Third Party

Overview: We are seeking a skilled UI Developer with strong expertise in React.js and Ember.js to join our front-end development team. The ideal candidate will be responsible for designing and implementing user interface components, ensuring high performance across a variety of devices and browsers, and collaborating with cross-functional teams to build modern, scalable web applications. Key Responsibilities: Develop and maintain responsive and high-quality web applications using js and Ember.js
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Posted 15 days ago

ReactJS Developer

cyberThink, Inc.

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Remote

Full-time

Job Summary We are looking for a highly skilled React JS Front-End Developer who can build intuitive and high-performance user interfaces for modern web applications. The ideal candidate must have deep expertise in JavaScript, React.js, and front-end development best practices. Key Responsibilities: Design and develop responsive web user interfaces using React.js Work closely with UX/UI designers, product managers, and backend engineers Translate wireframes and design prototypes into high-qualit
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Posted 16 days ago

SIGINT Software Developer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

SIGINT Software Developer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking an innovative and driven SIGINT Software Developer to join our team and create cutting-edge solutions for Signals Intelligence operations. In this role, you will design, develop, and optimize software tools and systems that support the collection, processing, and analysis of SIGINT data. Working alongside a talented group of engine
Posted 60+ days ago | Updated 9 hours ago

Backend developer with Healthcare domain experience

Select Jarvis.com

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Remote

Contract

Backend Java Spring Framework Gradle Knowledge of Relational Databases: PostgreSQL, MySQL, Big Query, etc. Knowledge of cloud platforms (Google Cloud, AWS, Azure) Knowledge of Kubernetes is a plus Knowledge of Enterprise integration patterns and best practices is a plus
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Posted 3 days ago | Updated 16 hours ago

Software Developer

Cymertek Corporation

•

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

Java, Scala, Python Developer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Java, Scala, Python Developer 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 highly skilled Java, Scala, Python Developer to join our team and contribute to the development of innovative and scalable software solutions. In this role, you will leverage your expertise in Java, Scala, and Python to design, build, and maintain applications that solve complex problems and meet business object
Posted 60+ days ago | Updated 9 hours ago

*Data Engineer (12+ years of Experience)* (TSQL, AI Tool) (W2, Contract to Hire role)

Kellton

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Remote or Charlotte, North Carolina, USA

Contract, Third Party

Kellton Tech is a full-service software development company, offering end-to-end IT solutions, strategic technology consulting and product development services in Web, SMAC (Social, Mobile, Analytics, Cloud), ERP-BPM, and IoT space Our methodology of inventing infinite possibilities with technology helps us develop best in-class and cost effective solutions for our clients. Currently Kellton Tech is looking for talented resources for one of our listed client. Below are the position details: Pos
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Posted 2 days ago | Updated 1 day ago