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Senior Back End Developer; Node.js

Job in Sandy, Salt Lake County, Utah, 84092, USA
Listing for: Mojo
Full Time position
Listed on 2025-12-26
Job specializations:
  • Software Development
    Backend Developer, Software Engineer, Cloud Engineer - Software
Job Description & How to Apply Below
Position: Senior Back End Developer (Node.js)

Work Location

In person in our Sandy, UT office.

Position Overview

We are seeking an experienced and highly skilled Senior Backend Developer to join our team. The ideal candidate will have 8-12 years of backend development experience with a focus on Node.js
, SQL
, and No

SQL databases

. You will play a critical role in designing, developing, and scaling backend systems to support high‑traffic applications, ensuring reliability, security, and performance. Additionally, you will mentor and guide junior developers, providing technical leadership and expertise to the team.

Key Responsibilities
  • Backend Development
    :
    Design, develop, and maintain high‑performance, scalable backend services and APIs using Node.js.
  • Database Management
    :
    Develop and optimize database structures using SQL (e.g., MySQL, Postgre

    SQL) and No

    SQL (e.g., Mongo

    DB) technologies, ensuring data integrity and performance.
  • Scalability & Performance Optimization
    :
    Architect and implement scalable systems that can handle large volumes of traffic and data while ensuring high availability and low latency.
  • Code Quality & Best Practices
    :
    Write clean, well‑documented, and reusable code, following industry best practices, security guidelines, and standards.
  • Mentorship & Leadership
    :
    Mentor and guide junior developers, conducting code reviews, providing constructive feedback, and fostering a collaborative, growth‑oriented environment.
  • Cross‑functional Collaboration
    :
    Work closely with frontend developers, product managers, and other stakeholders to understand requirements and provide backend solutions that align with business goals.
  • Troubleshooting & Debugging
    :
    Diagnose and resolve complex backend issues in a timely manner, implementing robust solutions to prevent future occurrences.
  • Continuous Improvement
    :
    Stay up‑to‑date with emerging technologies, tools, and industry trends, advocating for improvements to technology and team processes.
Requirements
  • 8-12 years of backend development experience
    , with a strong focus on Node.js, SQL, and No

    SQL databases.
  • Proven experience in scaling applications and optimizing backend systems for high performance.
  • Leadership and mentorship experience
    , with a track record of successfully mentoring junior developers.
  • Strong understanding of database design principles
    , indexing, query optimization, and data modeling for both SQL and No

    SQL databases.
  • Experience with cloud platforms (AWS, Azure, Google Cloud) and containerization technologies (Docker, Kubernetes) is a plus.
  • Proficient in implementing best practices for security
    , data protection
    , and API design
    .
  • Excellent problem‑solving skills and the ability to work effectively in a fast‑paced, team‑oriented environment.
  • Strong communication skills
    , with the ability to convey complex technical concepts to both technical and non‑technical stakeholders.
Preferred Qualifications
  • Experience with microservices architecture and distributed systems.
  • Familiarity with CI/CD pipelines and Dev Ops practices.
  • Knowledge of modern frontend technologies to collaborate effectively with frontend teams.

Competitive salary, 401k and performance‑based bonuses.

Compensation Package
  • Yearly pay
Schedule
  • 8 hour shift
  • Monday to Friday
Benefits
  • 401(k) with company match
  • Employee assistance program
  • Flexible spending account
  • Health insurance
  • Health savings account
  • Paid time off
  • Vision insurance
Join Our Team

Interested in helping bring AI technology to the front lines of risk? Send over your resume and we’ll see if you might be a good fit.

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Position Requirements
10+ Years work experience
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