Back-End Engineer Jobs in Denver, CO

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P25-231186 - Software Engineer III

FedEx Office

•

Remote or Memphis, Tennessee, USA

Full-time

About FedEx Dataworks: Born out of FedEx, a pioneer that ships nearly 20 million packages a day and manages endless threads of information, FedEx Dataworks is an organization rooted in connecting the physical and digital sides of our network to meet today's needs and address tomorrow's challenges. We are creating opportunities for FedEx, our customers, and the world at large by: Exploring and harnessing data to define and solve true problems Removing barriers between data sets to create new ave
Posted 5 days ago | Updated 5 hours ago

React Developer

Stellar IT Solutions

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Remote or Ann Arbor, Michigan, USA

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

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
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Posted 5 days ago | Updated 1 hour 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 4 hours ago

Java / Spring Developer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Java / Spring 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 driven Java / Spring Developer to join our team and contribute to the development of robust and scalable enterprise applications. In this role, you will design, implement, and maintain Java-based solutions using the Spring framework, ensuring high performance, security, and reliability. You will collaborate with cross-
Posted 60+ days ago | Updated 4 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 4 hours ago

Java, Scala, Python Developer

Cymertek Corporation

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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 4 hours ago

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
Posted 10 days ago | Updated 4 hours ago

Principal Engineer Cybersecurity, Cloud Security

URSI Technologies Inc.

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Remote

Contract

Job Title: Principal Engineer Cybersecurity, Cloud Security & High-Performance Systems Location: Remote (California) Duration: 12+ Months Role Overview: We are seeking a Principal Engineer with deep expertise in Cybersecurity, Secure Cloud Architectures, and High-Performance Systems. This role focuses on developing next-generation security platforms, real-time threat detection, and secure cloud services using Rust, Scala, and WebAssembly (WASM) on AWS. Key Responsibilities: Develop secure, perf
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Posted 19 days ago | Updated 5 days ago

Python Backend Developer - EST

Reveille Technologies

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Remote

Contract

Role: Python Backend Developer - EST Location: Remote Years of Experience: 10+ years Job Description API Development and Integration:o Design and implement RESTful or Graph QL APIs. o Integrate third-party services and APIs. Database Management:o Design and optimize database schemas. o Write efficient queries and manage database migrations. o Ensure data integrity and security. Server-Side Logic:o Implement business logic and algorithms. o Handle server-side processing and computations. Security
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Posted 25 days ago

ADA Accessibility Developer---Front End

Allwyn Corporation

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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
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Posted 7 days ago

Full Stack Software Engineer

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Full Stack Software Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a highly skilled Full Stack Software Engineer to join our team and contribute to the development of cutting-edge applications. In this role, you will work across the entire software development lifecycle, from designing user interfaces to implementing back-end functionality. You will collaborate with cross-functional teams t
Posted 60+ days ago | Updated 4 hours ago

Java / C / AWS Software Engineer

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Java / C / AWS Software Engineer 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 innovative Java / C / AWS Software Engineer to join our team and contribute to the development of robust, scalable, and secure software solutions. In this role, you will work on designing, building, and optimizing applications using Java and C while leveraging the power of AWS cloud services. You will collabo
Posted 60+ days ago | Updated 4 hours ago

Full Stack Developer (C# / .Net / JS / SQL / AWS)

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Full Stack Developer (C# / .Net / JS / SQL / AWS) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a skilled and versatile Full Stack Developer to join our team, specializing in C#, .NET, JavaScript, SQL, and AWS. In this role, you will be responsible for building and maintaining robust, scalable applications across both the front-end and back-end. You will collaborate closely with cross-functional te
Posted 60+ days ago | Updated 4 hours ago

Full Stack Developer (ReactJS, Vue, Angular)

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Full Stack Developer (ReactJS, Vue, Angular) 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 Full Stack Developer with expertise in ReactJS, Vue, and Angular to join our dynamic team. In this role, you will be responsible for designing, developing, and maintaining modern web applications, working across both front-end and back-end systems. You will collaborate with designers, product managers,
Posted 60+ days ago | Updated 4 hours ago

React.js / Node.js Developer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

React.js / Node.js Developer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a talented and dynamic **React.js / Node.js Developer** to join our team and contribute to the design and development of high-performance web applications. In this role, you will leverage your expertise in React.js for building intuitive front-end interfaces and Node.js for creating robust back-end services. You will work cl
Posted 60+ days ago | Updated 4 hours ago

Front End GUI Developer / Software Engineer

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Front End GUI Developer / Software Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a creative and detail-oriented Front End GUI Developer / Software Engineer to join our innovative team. In this role, you will design and develop intuitive, responsive user interfaces that deliver seamless user experiences. Collaborating closely with designers, backend developers, and stakeholders, you will transf
Posted 60+ days ago | Updated 4 hours ago

Software Engineer (JavaScript, AngularJS, MongoDB, AWS)

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Software Engineer (JavaScript, AngularJS, MongoDB, AWS) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a motivated and skilled **Software Engineer (JavaScript, AngularJS, MongoDB, AWS)** to join our dynamic development team. In this role, you will be responsible for designing, building, and maintaining full-stack web applications using JavaScript, AngularJS, and MongoDB, while leveraging AWS cloud servi
Posted 60+ days ago | Updated 4 hours ago

Java / Python / Kafka Software Engineer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Java / Python / Kafka Software Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dynamic and detail-oriented Java / Python / Kafka Software Engineer to join our team and contribute to the development of scalable, high-performance systems. In this role, you will design, implement, and optimize applications using Java and Python while leveraging Kafka for real-time data processing and event-driven
Posted 60+ days ago | Updated 4 hours ago

Software Engineer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Software Engineer 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 motivated Software Engineer to join our team and contribute to the development of cutting-edge software solutions. In this role, you will be responsible for designing, coding, testing, and deploying applications that meet high standards of performance, security, and scalability. The ideal candidate is a problem-solver with a
Posted 60+ days ago | Updated 4 hours ago

Software Engineer (Java, MASH, Linux)

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Software Engineer (Java, MASH, Linux) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a talented and driven **Software Engineer (Java, MASH, Linux)** to join our team and contribute to the development of innovative, scalable software solutions. In this role, you will design, implement, and maintain Java-based applications, leverage MASH for middleware integration, and work within Linux environments t
Posted 60+ days ago | Updated 4 hours ago