back end software engineer Jobs in denver, co

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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 10 hours ago

Agile Delivery Lead (Cyber Security): Charlotte, NC: Hybrid

NodeLogix

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Remote or Charlotte, North Carolina, USA

Contract

Pays $60/hr ON W2 Til: 12/2025: Potential extensions W2: EAD 3 DAYS ** Experience leading API development/backend API Developer ** Jira/Confluence; ** Fluent in Agile; ** Lead technologist; ** Execute vision/delivery of vision; ** Strong Product Manager ** Understanding of cyber security centers. ** Demonstrated ability to work on multiple complex projects in a matrixed environment; ** Demonstrated ability to build strong relationships; ** Critical thinking. ** Attention to detail/detail orien
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Posted 3 days ago

Senior Member of Technical Staff - Backend Dev - Remote

Oracle Corporation

•

Remote

Full-time

Job Description As a Senior Member of Technical Staff, you will be a key contributor to the development and success of our next-generation CDA platform, which leverages the power of generative AI and cloud-native technologies. Your expertise in data platform engineering will drive the creation of a robust and intelligent system, enhancing the healthcare experience for patients and clinicians alike. Responsibilities: Design and implementation of the CDA data platform, ensuring it is scalable,
Posted 14 days ago | Updated 10 hours ago

Staff iOS Engineer, Banking Mobile

Block Inc

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California, USA

Full-time

Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn't work together. So we expanded into software and started building integrated, omnichannel solutions - to help sellers sell online, manage inventory, offer buy now, pay later functionality, book appointments, engage loyal buyers, and hire and pay staff. Across
Posted 26 days ago | Updated 10 hours ago

Principal Member of Technical Staff - Backend Dev - Remote

Oracle Corporation

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Remote

Full-time

Job Description As a Principal Member of Technical Staff, you will be a key contributor to the development and success of our next-generation CDA platform, which leverages the power of generative AI and cloud-native technologies. Your expertise in data platform engineering will drive the creation of a robust and intelligent system, enhancing the healthcare experience for patients and clinicians alike. Responsibilities: Lead the design and implementation of the CDA data platform, ensuring it i
Posted 14 days ago | Updated 10 hours ago

Principal Member of Technical Staff - Backend Developer - Remote

Oracle Corporation

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Remote

Full-time

Job Description Are you ready to embark on a journey that will revolutionize healthcare and improve patient outcomes on a global scale? The Oracle Health division is leading the charge in healthcare innovation, and we are seeking an exceptional Principal Member of Technical Staff to join our Clinical Digital Assistant (CDA) team where you will be at the heart of this transformative mission. The Role: As a Principal Member of Technical Staff, you will be a key contributor to the development and
Posted 14 days ago | Updated 10 hours ago

API Engineer

Kforce Technology Staffing

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Remote or Brooklyn, New York, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking an API Engineer in Brooklyn, NY. Summary: We're looking for a skilled Backend Engineer to support the development of mobile shopping experiences. This role focuses on backend/API development and will be part of a cross-functional team that includes product managers, designers, mobile app engineers, and backend developers. Responsibilities: * Design and maintain backend services that power mobile applications * Collaborate with iOS and Andro
Posted 2 days ago | Updated 3 hours ago

Node.js, developer

IRIS Software, Inc.

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Remote

Full-time

We are hiring for Node.js, developer. Title : Node.js, developer Required Skills : Node.js developer, typescript & AWS Location : Fully Remote Please email me your resume at or call Job description Experienced backend developer Expertise in, typescript, Node.js, Proficiency in designing efficient GraphQL APIs & microservices for low latency and high availability systems. Strong experience with MySQL Experience in cloud environments AWS & Google Cloud Platform and Terraform /CloudFormation. Tha
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Posted 30 days ago

Front End Developer - Contractor

Dimensional Fund Advisors LP

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Remote

Full-time

Notes to applicants: Dimensional sees great value from collaborating in our offices and appreciates the benefits of flexibility. Most roles fit our office-first hybrid approach: We are together on our campuses Tuesdays, Wednesdays, and Thursdays and have the choice to work in the office or remotely, depending on what is best for that work day, on Mondays and Fridays. This approach maximizes in-person collaboration and interaction while simultaneously providing flexibility and applies to most rol
Posted 8 days ago | Updated 10 hours ago

Java Backend Developer

SAR TECH LLC

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Remote or Sunnyvale, California, USA

Third Party, Contract

Job Title: Java Backend Developer Location: Sunnyvale, CA (Hybrid 2-3 days onsite) Duration: Long-term Contract Rate: $65/hr on C2C Visa: Open to All Visa Types Client: TBD Job Description: We are seeking a talented and experienced Java Backend Developer with strong expertise in building scalable and maintainable microservices using Java and Spring Boot. The ideal candidate should have 7+ years of backend development experience, including designing REST APIs, working with relational and NoSQL d
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Posted 21 days ago

Senior Back End Java Developer - C12 - IRVING

Citi

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Remote or Irving, Texas, USA

Full-time

The Senior Java Back End Developer is an intermediate level position 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: Use Core Java, Python, JavaScript, Multi-Threading, Exception Handling, and GoF Pattern to perform applications systems analysis and dev
Posted 7 days ago | Updated 10 hours ago

Full Stack Angular Engineer

Randstad - Torc

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Remote

Contract

Full Stack Angular Engineer - Remote (US Candidates) We are looking for a highly skilled Full Stack Angular Engineer for a full-time contract. This is a 100% remote role with flexibility to collaborate across Central Time (CT) hours. What You ll Do Design, develop, and optimize web applications using Angular for the frontend and modern backend technologies.Collaborate with backend engineers and product teams to build scalable, efficient solutions.Implement best practices in software architecture
Posted 60+ days ago | Updated 17 days ago

Back End Java Developer (Remote)

ConsultNet, LLC

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Remote or Fargo, North Dakota, USA

Full-time

Back End Java Developer (Remote) 6-month Contract to hire rate $50.00 to $65.00 per hour. Salary Expectation $100k to $130k Job Description Our client is seeking a Java Developer to help build their custom application. The primary function of this position is to implement innovative solutions, designs and enhancements across web and mobile experiences. This individual will participate in all phases of the SDLC, including functional analysis, and provide both technical and team leadership throug
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Posted 23 days ago | Updated 9 hours ago

Backend Developer (Python, Airflow, StarRocks) - Remote

FlairTech Solutions

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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
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Posted 15 hours ago

UI Developer with Vanilla JavaScript 7+ W2

TekVivid

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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
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Posted 2 days ago

React Developer

Stellar IT Solutions

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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
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Posted 9 days ago | Updated 2 hours ago

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

Accenture LLP

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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 13 days ago | Updated 10 hours 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 11 days ago

Senior Engineering Manager, Commerce Platform

Dropbox Inc

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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
Posted 5 days ago | Updated 10 hours ago

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

Brillio, LLC

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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
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Posted 60+ days ago | Updated 18 days ago