Software Engineer: Core

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Software Engineer: Core based in Spain.

Join a high-performing engineering team building the foundational technology behind a next-generation ecommerce search and discovery platform. In this role, you will contribute to the design, development, and operation of highly scalable backend systems that process billions of requests every day. You will work on mission-critical infrastructure powering intelligent search, recommendations, and AI-driven shopping experiences for global ecommerce businesses. Combining distributed systems, performance optimization, and cutting-edge technologies, your work will directly influence platform reliability, speed, and scalability. You will collaborate with experienced engineers in an environment that values technical excellence, ownership, curiosity, and continuous improvement. This is an opportunity to tackle complex engineering challenges and make a meaningful impact on technology operating at a global scale.

Accountabilities

• Design, develop, and maintain the core backend services and infrastructure that power a large-scale search and discovery platform.
• Build and optimize highly available, distributed systems capable of processing billions of requests daily with exceptional performance and reliability.
• Develop scalable solutions that support interactions between user requests, customer product catalogs, and intelligent platform capabilities.
• Contribute to infrastructure design, deployment automation, capacity planning, and production operations.
• Monitor, troubleshoot, and improve system performance, availability, and resilience across distributed environments.
• Work across multiple layers of the technology stack, from performance-critical application code to infrastructure and operational systems.
• Collaborate with engineers across teams to continuously improve architecture, engineering practices, and platform capabilities.

Requirements:

• Strong computer science fundamentals, including algorithms, data structures, concurrency, and systems design.
• Professional experience building, developing, and scaling high-traffic, highly available backend systems.
• Experience designing and operating backend infrastructure, including deployment automation, capacity planning, and observability.
• Solid understanding of distributed systems, system performance, reliability, and production environments.
• Ability to work across different layers of the stack, from low-level, performance-sensitive code to production operations.
• Familiarity with at least some of the following technologies:
• Programming languages: Rust, C++, Python.
• Cloud infrastructure: AWS.
• CI/CD: Jenkins, GitHub Actions.
• Monitoring and observability: Prometheus, Grafana.
• Curiosity and adaptability, with a willingness to learn new technologies and work in a rapidly evolving, large-scale engineering environment.
• Strong collaboration and communication skills, combined with a proactive mindset and a sense of ownership.
• A commitment to continuous improvement and the ability to contribute positively to a collaborative engineering culture.

Benefits:

• Competitive compensation: Annual base salary ranging from $80,000 to $120,000 USD, depending on skills, knowledge, experience, and interview results.
• Equity participation: Stock options offered in addition to the base salary.
• Unlimited paid time off: Flexible vacation policy, with employees strongly encouraged to take at least three weeks off annually.
• Fully remote work: Freedom to work remotely and choose where you live.
• Home office support: Work-from-home stipend to help you create a comfortable and productive workspace.
• Equipment provided: Apple laptop supplied to new employees.
• Learning and development: Annual training and professional development budget.
• Family support: Maternity and paternity leave for eligible employees.
• Collaborative environment: Work alongside talented engineers who encourage learning, professional growth, and meaningful contributions.
• Team connection: Regular company offsites to collaborate, share ideas, and build relationships.

• Strong computer science fundamentals, including algorithms, data structures, concurrency, and systems design.
• Professional experience building, developing, and scaling high-traffic, highly available backend systems.
• Experience designing and operating backend infrastructure, including deployment automation, capacity planning, and observability.
• Solid understanding of distributed systems, system performance, reliability, and production environments.
• Ability to work across different layers of the stack, from low-level, performance-sensitive code to production operations.
• Familiarity with at least some of the following technologies:
• Programming languages: Rust, C++, Python.
• Cloud infrastructure: AWS.
• CI/CD: Jenkins, GitHub Actions.
• Monitoring and observability: Prometheus, Grafana.
• Curiosity and adaptability, with a willingness to learn new technologies and work in a rapidly evolving, large-scale engineering environment.
• Strong collaboration and communication skills, combined with a proactive mindset and a sense of ownership.
• A commitment to continuous improvement and the ability to contribute positively to a collaborative engineering culture.

• Competitive compensation: Annual base salary ranging from $80,000 to $120,000 USD, depending on skills, knowledge, experience, and interview results.
• Equity participation: Stock options offered in addition to the base salary.
• Unlimited paid time off: Flexible vacation policy, with employees strongly encouraged to take at least three weeks off annually.
• Fully remote work: Freedom to work remotely and choose where you live.
• Home office support: Work-from-home stipend to help you create a comfortable and productive workspace.
• Equipment provided: Apple laptop supplied to new employees.
• Learning and development: Annual training and professional development budget.
• Family support: Maternity and paternity leave for eligible employees.
• Collaborative environment: Work alongside talented engineers who encourage learning, professional growth, and meaningful contributions.
• Team connection: Regular company offsites to collaborate, share ideas, and build relationships.