Back End Software Developer Jobs in Denver, CO

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Senior JavaScript Developer

Randstad - Torc

Remote

Contract

We are looking for a Senior JavaScript Developer to join our dynamic team. As a key contributor, you will be responsible for designing, developing, and maintaining scalable and high-performance web applications. You will work with modern frameworks, APIs, and cloud-based services to deliver top-tier software solutions. ResponsibilitiesDesign, develop, and optimize web applications using JavaScript, TypeScript, and modern frameworks (React, Angular, Vue.js).Build and maintain scalable, reusable,

AI Engineer - Senior Consultant II

Allstate Insurance Company

Texas, USA

Full-time

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Job Description We are seeking a passionate and skilled Backend Developer

AI Engineer Lead Consultant

Allstate Insurance Company

Illinois, USA

Full-time

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Job Description We are seeking a passionate and skilled Lead Backend Devel

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

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

UI Angular Developer (AVP) - Hybrid

Citi

Remote or Tampa, Florida, USA

Full-time

The Institutional Data Platform team is responsible for the Olympus platform to streamline data sources across Service, Markets, Banking and Client enabling industry leading analytics, client, regulatory, surveillance supervisory risk and finance reporting and data science solutions along with genesis platform. The UI Angular Developer (Applications Development Senior Programmer Analyst - C12) is an intermediate level position responsible for participation in the establishment and implementatio

Sr., Java back-end Developer - Healthcare Domain Must (No C2C Please)

OpTech

Remote

Contract

OpTech is seeking for strong Java Developer role for one of their Direct Clients. 100% Remote role. Contract Duration - 5 months. Only W2/No C2C Required Skills: Strong backend Java developer with JDBC/SPRING/SPRINGBOOT/SPRINGBATCH JAVA/J2EE Why work at OpTech? OpTech is a woman-owned company that values your ideas, encourages your growth, and always has your back. When you work at OpTech, not only do you get health and dental benefits on the first day of employment, but you also have training

Full Stack Software Engineer

Cymertek Corporation

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

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

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

Software Engineer (Java, AWS, Linux)

Cymertek Corporation

Aurora, Colorado, USA

Full-time

Software Engineer (Java, AWS, Linux) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and versatile **Software Engineer (Java, AWS, Linux)** to join our dynamic team and contribute to the development of innovative software solutions. In this role, you will design, build, and maintain applications using Java, leverage AWS cloud services for scalability and reliability, and work within Linu

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,

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

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

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

Senior Backend Engineer

SUNRAY INFORMATICS

Remote

Contract, Third Party

Role : Senior Backend Engineer Location: Pittsburgh, PA Duration: 12+ Months MOI : Telephonic & Skype Primary Skills: NODE.JS, Google Cloud Platform, TYPESCRIPT, FINANCE Need Candidates with a Minimum of 12 Years of Experience. This is a 100% Remote role. Candidates must have experience with Node.js, OAuth2, Google Cloud Platform, and TypeScript in recent projects. Note: Client Manager is considering a Backend NodeJS Developer with .NET Projects Only. Candidates' roles need to be as a Backend

Node.JS Developer

PY DATA, INC.

Remote

Contract

Position: Node.JS Backend Developer Duration: 6+ months Location: 100% Remote Only W2 Consultants Node.JSTypescriptExpressReact - Nice to have.TypescriptAWS.

Senior Backend Engineer - Node Js

CVS Health

Remote or Richardson, Texas, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w

Software Engineer

UnitedHealth Group

Remote or Draper, Utah, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us adv

Sr., Java Developer

OpTech

Remote

Contract

OpTech is seeking for strong Java Developer role for one of their Direct Clients. 100% Remote role. Contract Duration - 5 months. Only W2/No C2C Required Skills: Strong backend Java developer with JDBC/SPRING/SPRINGBOOT/SPRINGBATCH JAVA/J2EE Why work at OpTech? OpTech is a woman-owned company that values your ideas, encourages your growth, and always has your back. When you work at OpTech, not only do you get health and dental benefits on the first day of employment, but you also have training o