Lifted, an Upwork Company

#137810 - Senior Backend Engineer

Lifted, an Upwork Company · Bogotá, Colombia
Bogotá, Colombia Contract Posted 2026-10-05
Type
Contract
Experience
2+ yr

Key Responsibilities

  • Design, build, and maintain scalable, reliable, and high-performance software systems.
  • Contribute to system architecture and technical design, validating solutions through data and experimentation where appropriate.
  • Participate in code and design reviews to uphold high engineering standards.
  • Own and support applications during business hours, ensuring system health and reliability.
  • Use metrics, logging, and analytics to make data-informed decisions and improve system performance.
  • Collaborate across engineering, product, data science, and design teams to deliver effective solutions.
  • Contribute to cross-team initiatives and support other engineers through mentorship and knowledge sharing.

Must-Have Skills

  • A bachelor's degree in Computer Science, Mathematics, Computer Engineering, Electrical Engineering, or a related field with at least 2 years of related experience ; or an advanced degree with no prior experience.
  • Proficiency in one or more modern backend programming languages, such as Java, Kotlin, or similar .
  • Experience building and operating large-scale, high-performance, and resilient systems.
  • Excellent communication and collaboration skills in English, with the ability to work effectively across teams.
  • Curiosity and a willingness to learn, adapt, and take on new challenges.

Required Tools & Platforms

  • One or more modern backend programming languages, such as Java, Kotlin, or similar.
  • AI-assisted coding tools; no specific product is prescribed.
  • Metrics, logging, and analytics tools; no specific platform is prescribed.

Location, Time & Engagement

  • Candidates must be based in an eligible LATAM location .
  • Working-hour coverage aligned with U.S. Central or Pacific Time is required.

We are seeking a Senior Backend Engineer to design, build, and maintain shared backend platforms, services, and products operating at significant scale. You will use AI-assisted coding tools and collaborate with engineering, data science, product, design, and business partners to deliver reliable, high-quality software.

Enterprise experience is strongly preferred.

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