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Backend developer Jobs in Boulder, CO

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Backend developer • boulder co

Last updated: 2 hours ago

Applications Developer II

Sierra SpaceLouisville, CO
$89,016.00 yearly
Full-time +1

At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth.Sierra Space team members share a spirit of innovation and collaboration and a belief that we... Show more

Remote Senior Software Engineer Expert - AI Trainer ($80-$130 per hour)

MercorBoulder, Colorado, US
$80.00 hourly
Remote
Full-time

Senior Software Engineers for a high-urgency closed-source application development project.We're looking for experienced full-stack developers who can work independently, build scalable systems, an... Show more

Sr Software Engineer

InfleqtionBoulder, CO, US
$106,000.00 yearly
Full-time
Quick Apply

We are seeking self-motivated, energetic individuals with exceptional problem-solving and technical skills to help drive our.We break down barriers between disciplines, stepping in wherever we can ... Show more

Sr. Technical Program Manager, Amazon Ads - Media Planning

Amazon Advertising LLCBoulder, Colorado, USA
Full-time

Application deadline: Jul 26, 2026.Are you ready to shape the future of digital advertising at unprecedented scale? Join Amazon Ads as a Technical Program Manager III, where you'll drive transforma... Show more

Remote Software Engineer (AI-Native Platform & Integrations) - AI Trainer ($70-$110 per hour)

MercorBoulder, Colorado, US
$70.00 hourly
Remote
Full-time +2

About Mercor’s talent network** **This is an open application for future contract opportunities that match your background and interests.Once you complete your profile and pass our AI interview, yo... Show more

Developer, Gas Generation

SpowerLouisville, CO, United States
$105,000.00–$131,325.00 yearly
Full-time

Join The AES Corporation, the largest US-based global power company with a team of 8,300 employees across 12 countries.AES has been ranked #1 by BloombergNEF in renewable energy sales to corporatio... Show more

Remote Full-Stack Engineer Talent Network - AI Trainer ($70-$150 per hour)

MercorBoulder, Colorado, US
$70.00 hourly
Remote
Part-time

About Mercor’s talent network** Join our Full-Stack Engineer Expert Network to connect with leading AI labs and companies seeking Full-Stack Engineering expertise.This is an open application for fu... Show more

Senior Manager, Management Consulting - Healthcare

BDOBoulder, CO, United States
Temporary

Healthcare Revenue Cycle Senior Manager.The Healthcare Revenue Cycle Senior Manager provides clients with senior-level healthcare consulting services by assessing the client's business needs, recom... Show more

Senior Manager, Developer Platforms

CiscoBoulder, CO, United States
Full-time

Developer Platforms builds the internal systems that enable more than 3,000 Splunk engineers to build, test, and release world-class products at scale.The team connects quality systems to the wider... Show more

Software Engineer (5044) (Boulder, CO) (Secret)

SMXBoulder, CO
$103,100.00 yearly
Temporary

Outside Analytics is a proud subsidiary of SMX, marking an exciting collaboration that enhances our collective capabilities to deliver cutting-edge digital transformation solutions.Are you interest... Show more

Principal Software Development Engineer - Agent Factory

Workday, Inc.Boulder, CO, USA
$182,400.00 yearly
Full-time

As a Principal Full Stack Software Engineer in Agent Factory, you’ll help build the user-facing and platform experiences that bring Workday’s AI agents to life.Working within a small, cross-functio... Show more

Senior Backend Engineer

Circadence CorporationBoulder, CO, US
Full-time

Job Description</h3><br /><h2>About the job</h2><p><br /></p><p><strong>Job Description</strong></p><p>We are l hiring a Seni... Show more

Senior Manager, Developer Platforms

Webex Events (formerly Socio)Boulder, CO, United States
$174,700.00 yearly
Full-time

Developer Platforms builds the internal systems that enable more than 3,000 Splunk engineers to build, test, and release world-class products at scale.The team connects quality systems to the wider... Show more

Director of Community Engagement

Scout Clean EnergyBoulder, CO, United States
Full-time

Director Of Community Engagement.As Scout's Director of Community Engagement you will shape how Scout shows up in the project communities, design and implement engagement strategies, train internal... Show more

Staff / Senior Staff Platform Software Engineer

SciTecBoulder, CO, US
$102,000.00 yearly
Full-time
Quick Apply

SciTec, a wholly owned subsidiary of Firefly Aerospace, is a dynamic non-traditional defense contractor that delivers advanced technologies in support of U.For the past forty-five plus years, we ha... Show more

Sr. Technical Program Manager, Amazon Ads - Media Planning

AmazonBoulder, CO, United States
Full-time

Are you ready to shape the future of digital advertising at unprecedented scale? Join Amazon Ads as a Technical Program Manager III, where you'll drive transformative initiatives across our sophist... Show more

Product Test Developer I

SparkFun ElectronicsNiwot, CO, US
$20.00 hourly
Full-time
Quick Apply

No matter your vision or skill level, our open source components, resources and online tutorials are designed to broaden access to innovative technology and make the road to a finished project shor... Show more

Remote Software Developer $60 - $120/hourpay

Micro1Louisville, Colorado, US
$60.00 hourly
Remote
Full-time

AI data lab for training frontier models and evaluating AI agents.Experts contribute their diverse subject matter knowledge across domains such as finance, healthcare, STEM engineering, and more.AI... Show more

 • Promoted

Technical Product Manager - Platform

SumupBoulder, CO, United States
Full-time

Technical Product Manager - Platform.Boulder, Colorado, United States Product & Design.Boulder, Colorado Office | Full-time | No visa sponsorship available.This role sits at the heart of how SumUp... Show more

Go-to-Market - Boulder, CO, USA

SpeechifyBoulder, CO, United States
$105,000.00 yearly
Full-time

Go-to-Market - Boulder, CO, USA.The mission of Speechify is to make sure that reading is never a barrier to learning.Over 50 million people use Speechify's text-to-speech products to turn whatever ... Show more

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Applications Developer II

Applications Developer II

Sierra SpaceLouisville, CO
8 days ago
Salary
$89,016.00 yearly
Job type
  • Full-time
  • Permanent
Job description

Sierra Space Careers:

At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth.

Sierra Space team members share a spirit of innovation and collaboration and a belief that we can deliver on the boldest missions in space today. Together with our customers, we aim to safeguard our nation, sustain human presence in space, and secure the freedom of operations in low Earth orbit and beyond.

Our success is measured by the trust of those who rely on what we build and deliver, and our technologies keep the United States and its allies mission-ready throughout space.

We are mission-driven, and together, we are an extraordinary team.

About the Role

The Applications Developer II is responsible for designing, coding, testing, and maintaining software applications that support various business functions. This role requires a strong understanding of software development principles and the ability to work collaboratively with cross-functional teams to deliver high-quality software solutions. They will have a proven track record of developing robust and scalable software, a keen eye for detail, and the ability to work independently on complex projects. In addition to technical skills, the Applications Developer II must possess excellent problem-solving abilities and effective communication skills to interact with stakeholders and team members. This position offers the opportunity to work on innovative projects, stay updated with the latest industry trends, and contribute to the continuous improvement of software development processes.

In this role, you will design, develop, and maintain software applications to support business functions, ensuring they meet organizational needs. You will write clean, scalable, and efficient code while collaborating with cross-functional teams to define, design, and ship new features. Conducting unit testing and debugging will be essential to ensure software quality and reliability. Additionally, you will participate in code reviews to maintain code quality and share knowledge with team members. You will utilize version control systems like Git to manage the codebase and track changes effectively. Documenting software designs, code, and processes for future reference and maintenance will be a key part of your responsibilities. Staying updated with the latest industry trends and technologies will ensure the software remains current and competitive. Furthermore, you will independently design and implement software solutions and perform debugging and testing to maintain high standards of functionality and performance.

About You

Our mission is driven by an unyielding commitment to advancing space-based technology in service of our customers and safeguarding national security. We seek individuals who are passionate about innovating beyond boundaries and relentlessly pursuing solutions that protect, preserve and empower – to join us in this critical mission.

We’re looking for team members who align with our values, mission and goals – while also meeting the minimum qualifications below. The preferred qualifications are a bonus, not a requirement.

Minimum Qualifications:

  • Requires a bachelor's degree in a related field (or equivalent work experience in lieu of degree).

  • Typically, 2+ years of related experience.

  • Proficiency in at least two programming languages and familiarity with development frameworks.

  • Experience with version control systems like Git.

  • Experience with designing and implementing software solutions independently.

  • Experience debugging and testing.

Preferred Qualifications:

  • Experience with SQL Server or other relational database management systems (RDBMS).

  • MS Access database development and VBA programming experience.

  • Web application development experience.

  • Power BI report development and data visualization methods.

  • Experience with database ETL processes and data integration

  • Familiarity with engineering programming languages (Python, MATLAB, VBA).

  • Experience with Agile development methodologies.

  • Familiarity with cloud platforms such as AWS, Azure, or Google Cloud.

  • Knowledge of database management systems and SQL.

  • Familiarity with development frameworks such as Spring, Django, .NET, React, or Angular.

  • Understanding of software development lifecycle (SDLC) and best practices.

Compensation:

Pay Range:

$89,016.00 - $122,418.00

Your actual base compensation will be determined on a case-by-case basis and may vary based on job-related knowledge and skills, education, experience, internal equity and market competitiveness.

IMPORTANT NOTICE:

To conform to U.S. Government international trade regulations, applicant must be a U.S. Citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State or U.S. Department of Commerce.

Elevate Your Career

At Sierra Space, we are committed to your personal and professional development. We empower you to make profound and meaningful contributions and foster a vibrant culture of collaboration, where teamwork ignites breakthrough innovations.


We also offer a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, and more.

Sierra Space is an industry-leading space and defense technology company providing satellites, spacecraft, and enabling mission systems and components. We deliver mission-proven technologies to our customers that safeguard our nation, protect space-based assets and enable space exploration.

Sierra Space Corporation is an equal opportunity employer and is committed to working with and providing reasonable accommodations to applicants with disabilities. If you need special assistance or a reasonable accommodation related to applying for employment with Sierra Space or at any stage of the recruitment process, please .