Staff Backend Engineer, PHP / Golang in Spain at Jobgether

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Staff Backend Engineer, PHP / Golang in Spain.

This is a high-impact opportunity for an experienced backend engineer who thrives in distributed systems, large-scale integrations, and technical leadership. In this role, you will help shape the architecture and scalability of mission-critical systems powering complex API integrations and high-volume transactional workflows. You will work closely with product and engineering leadership to design resilient backend solutions, improve technical maturity, and drive long-term platform evolution. The environment is highly collaborative, remote-first, and focused on ownership, continuous improvement, and engineering excellence. This role combines deep technical problem-solving with mentorship, strategic thinking, and cross-functional collaboration in a rapidly growing SaaS ecosystem. It is ideal for someone passionate about scalable backend architecture, cloud-native systems, and building reliable products used globally.

• Lead the architectural evolution and technical direction of backend systems built with PHP and Golang.
• Design and maintain scalable integrations with third-party platforms and external APIs handling high transaction volumes.
• Collaborate closely with Product Managers and engineering teams to translate business challenges into robust technical solutions.
• Improve system reliability, scalability, and maintainability through sound engineering practices and architectural improvements.
• Drive backend modernization efforts, including service-oriented and event-driven architectures using Domain Driven Design principles.
• Review technical designs, identify technical debt, and proactively recommend optimization strategies.
• Mentor engineers through code reviews, pair programming, and technical coaching to elevate engineering quality across teams.
• Ensure high standards for testing, observability, security, and delivery reliability.
• Participate in technical planning, sprint execution, and continuous improvement initiatives.
• Contribute to cloud infrastructure discussions, backend performance optimization, and API reliability enhancements.
• Collaborate across domains to align architectural decisions and improve cross-team engineering consistency.

Requirements:

• 6+ years of experience in SaaS software development, including at least 2 years in a technical leadership or senior engineering role.
• Strong backend engineering expertise with willingness to work extensively in PHP and Golang environments.
• Solid experience designing and developing RESTful APIs and distributed backend systems.
• Strong understanding of relational databases such as MySQL or PostgreSQL.
• Experience with event-driven architectures and Domain Driven Design methodologies.
• Strong testing practices including unit testing and integration testing.
• Experience working in cloud environments, preferably AWS.
• Familiarity with message queue systems such as AWS SQS or similar technologies.
• Excellent communication and collaboration skills with advanced English proficiency (C1 level).
• Ability to mentor engineers and contribute to engineering culture, delivery processes, and technical excellence.
• Experience with NoSQL databases, cloud-native development, or containerization technologies is considered a plus.
• Familiarity with React, Kubernetes, Docker, DevSecOps practices, or Extreme Programming methodologies is advantageous.

Benefits:

• Competitive salary aligned with market standards and location.
• Fully remote work environment with flexibility to work from anywhere within the European region.
• Equity participation through stock options in a fast-growing and profitable company.
• Strong opportunities for professional development and career advancement.
• International and highly collaborative team culture across more than 40 countries.
• Country-specific benefits such as health insurance and pension support where applicable.
• Generous annual paid leave aligned with local regulations and norms.
• High-growth environment with exposure to modern cloud-native and distributed system technologies.
• Values-driven culture focused on innovation, ownership, collaboration, and continuous improvement.
• Opportunity to work on products used by thousands of businesses globally.