Back Market

Software Engineer Intern

Back Market
Apply
2 days ago
Barcelona, SpainIntern

Responsibilities

  • Assist with developing and improving software features under team guidance.
  • Write clean, maintainable, and well-tested code.
  • Participate in code reviews and technical discussions.
  • Investigate bugs and help resolve technical issues.
  • Participate in testing, deployment, and monitoring activities.
  • Collaborate with product, design, data, and operations teams to understand requirements.
  • Maintain technical documentation and share knowledge.
  • Learn and contribute across the software development lifecycle.

Requirements

  • Currently enrolled in the final year of an Engineering School or University Master’s degree, with a university able to provide an internship agreement.
  • Already based in Spain and authorized to work there through EU nationality or a valid student visa/work permit.
  • Basic programming experience, ideally including Python, gained through internships, GitHub, personal projects, or student projects.
  • Knowledge of databases and operating systems.
  • Ability to learn new software and technologies quickly, with curiosity about the coding environment.
  • Detail-oriented and able to work collaboratively in an international team.
  • Fluent English; French and/or Spanish is a plus.

Benefits

  • Six-month, full-time internship of 35 hours per week, Monday through Friday, starting in March/April; the posting lists both 2026 and 2027 start dates.
  • Hybrid work with two remote days per week, one remote work week per quarter, and three flex days.
  • Mission-driven work focused on reducing the environmental impact of technology.
  • Employee Resource Groups, mentorship programs, accessibility policies, and cultural competency training.
  • Hands-on career development in an innovative, international, and fast-paced environment.

Tech Stack

Apache KafkaArgo CDCircleCIDatadogDjangoDockerFastAPIGoGoogle BigQueryGoogle Cloud PlatformKubernetesPostgreSQLPythonRabbitMQRedisTypeScriptVue.js

Categories

Back Market

About Back Market

1,001-5,000 employees

Back Market runs a global online marketplace where consumers buy professionally refurbished electronics and trade in used devices. Founded in 2014 and headquartered in Paris, it connects vetted refurbishers with buyers and monetizes through marketplace commissions and related services. The company is a certified B Corp and operates across 17 markets, with buyer protections that help standardize quality and build trust in refurbished tech.

Contact me