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Junior Developer Startup Jobs in Colorado (NOW HIRING)

Automationtechies

Control Engineer

Denver, CO · On-site

$85K - $110K/yr

You should be comfortable leading or supporting technical teams, mentoring junior engineers, and traveling to customer sites for startup and troubleshooting activities. Reasons you will be excited to ...

Automationtechies

Control Engineer

Aurora, CO · On-site

$85K - $110K/yr

You should be comfortable leading or supporting technical teams, mentoring junior engineers, and traveling to customer sites for startup and troubleshooting activities. Reasons you will be excited to ...

Albedo

Lead Thermal Engineer

Broomfield, CO

$186K - $205K/yr

Review and mentor junior engineers' analyses to maintain model quality and consistency. * Author ... Ability to operate independently in a fast-paced, ambiguous startup environment Salary: $186,000 ...

Crete United

N4 BAS Programmer

Englewood, CO · On-site

$60/hr

... startup and troubleshoot controls and integration issues on-site. * Mentor and guide junior ... High school diploma or equivalent required; bachelor's degree in engineering or related field is a ...

Ursa Major

Senior Flight Test Engineer

Berthoud, CO · On-site

$121K - $150K/yr

... junior engineers and leading project teams. As a Senior Flight Test Engineer, you'll serve as the ... Comfortable working in a fast-paced, startup environment, adapting to evolving priorities * Willing ...

Performacentric

ML Engineer

Denver, CO · On-site +1

... paced startup environment where they can directly influence product direction and technical ... Mentor junior developers and share best practices. Required QualificationsTechnical Skills * 3+ ...

Worley

Principal Project Engineer

Denver, CO · On-site

$167K - $210K/yr

Support construction, commissioning, and startup activities, including troubleshooting flow-related issues. * Act as a technical mentor to junior engineers and provide guidance on best practices and ...

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Junior Developer Startup information

See Colorado salary details

$25.2K

$93.6K

$144.6K

How much do junior developer startup jobs pay per year?

As of Jun 24, 2026, the average yearly pay for junior developer startup in Colorado is $93,559.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,500.00 and $91,500.00 per year, depending on experience, location, and employer.

What is a Junior Developer Startup job?

A Junior Developer Startup job involves working as an entry-level software developer in a fast-paced startup environment. You'll likely assist in coding, debugging, and testing software while collaborating with a small team. Startups often require developers to be adaptable, learn quickly, and take on various responsibilities beyond coding. This role provides great exposure to modern technologies and agile development practices. It’s a valuable opportunity to grow your skills and gain hands-on experience in a dynamic setting.

What are the key skills and qualifications needed to thrive in the Junior Developer Startup position, and why are they important?

To thrive as a Junior Developer at a startup, you need foundational knowledge of programming languages (such as JavaScript, Python, or Ruby), basic understanding of web development, and a degree in computer science or related experience. Familiarity with source control systems like Git, cloud services, and popular frameworks is important, and participation in coding bootcamps or relevant certifications is a plus. Strong problem-solving, adaptability, and effective communication are key soft skills for collaborating in a dynamic, fast-paced environment. These abilities help junior developers quickly learn, contribute to product development, and grow within the rapidly evolving startup landscape.

What are some common challenges a Junior Developer may face when working at a startup?

Junior Developers in startup environments often encounter rapid changes in project direction, shifting priorities, and the need to learn new technologies quickly. Unlike more established companies, startups may have less formalized onboarding and training, requiring you to take initiative and learn on the go. You'll likely collaborate closely with small, cross-functional teams, which means communication skills and flexibility are essential. Embracing these challenges can accelerate your growth, expand your technical skill set, and offer opportunities to make a direct, visible impact on the company's products.

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Junior Developer Startup jobs near you

Junior Process Engineer

Equinox Engineering

Denver, CO • On-site

Full-time

Posted 13 days ago

Job description

Equinox Engineering is an International EPCM leader known for innovative facility design and engineering across natural gas, oil, heavy oil, carbon capture, power generation, emerging energy, and brownfield Projects around the globe. We work with top energy producers in the USA, Canada, and internationally. We are committed to identifying and retaining the most talented employees to delivering highquality projects of all sizes and complexities that exceed client expectations.

We are seeking a Junior Process Engineer with 2+ years of experience who is eager to grow their technical skills, contribute to multidisciplinary project teams, and support the design and optimization of energy facilities. This role offers handson learning, exposure to diverse projects, and strong mentorship from experienced engineers.

Why Join Equinox?
  • Meaningful work on a wide range of energy and processing projects
  • Strong, people-focused culture emphasizing mentorship, collaboration, and technical growth
  • Flexible and supportive work environment with long-term career development opportunities
  • Entrepreneurial culture that fosters creative and commercially minded leaders. 
What You'll Do

As a Junior Process Engineer, you will support process engineering activities across various project phases-from conceptual design through detailed engineering and operational support. Responsibilities include:

Technical Support
  • Assist in developing process simulations and models under senior guidance
  • Support preparation of key engineering deliverables, including: 
    • Heat & Material Balances
    • Process Flow Diagrams (PFDs)
    • Piping & Instrumentation Diagrams (P&IDs)
    • Engineering calculations, reports, and data sheets
  • Conduct basic analyses of facility performance and help identify opportunities for optimization or debottlenecking
Collaboration & Project Execution
  • Work closely with multidisciplinary engineering teams, senior engineers, and project managers
  • Interface with vendors to gather technical information and support equipment specification
  • Support commissioning, startup activities, and field engineering tasks when required
Safety, Quality & Compliance
  • Participate in P&ID reviews, hazard assessments, and design verification activities
  • Ensure deliverables comply with applicable engineering standards, codes, and regulatory requirements
Technical Exposure

You will gain handson experience in a variety of process systems, which may include:
  • Natural gas processing (sweet and sour gas)
  • Oil processing, including heavy oil, stabilization, and treating operations
  • Power Generation
  • Brownfield MOC's
  • Refinery process systems
About You

You are an early-career engineer with a desire to learn, take on new challenges, and contribute to high-quality engineering work. You bring:

  •  Bachelor's degree in Chemical Engineering
  • 2+ years of experience in process engineering (EPC/EPCM experience preferred)
  • Familiarity with process simulation tools (e.g., Aspen HYSYS, ProMax, or similar)
  • Strong analytical, communication, and teamwork skills
  • Ability to work effectively in a fast-paced project environment
Ready to Apply?
If you're looking to accelerate your process engineering career, contribute to impactful energy projects, and learn from industry-leading engineers, we'd love to hear from you.

Apply