Senior/Staff Backend Engineer in Quinta de Portugal, Castelo Branco at Jobgether

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior/Staff Backend Engineer in Portugal.

This role offers the opportunity to build and scale core backend systems powering next-generation AI-native enterprise software in one of the most complex and high-impact domains: finance and ERP.
You will be responsible for designing and delivering high-performance backend services that handle real-time, business-critical accounting workflows at scale.
The position requires strong ownership, as you will architect systems end-to-end—from design and implementation to deployment, monitoring, and continuous improvement.
You will work closely with product and engineering teams to translate complex financial processes into reliable, secure, and scalable software solutions.
The environment is fast-paced, high-trust, and highly ambitious, with strong expectations around execution speed, technical excellence, and accountability.
This is a rare opportunity to join an early-stage, high-growth AI company shaping the future of enterprise finance systems.

• Design, build, and scale core backend systems supporting complex, real-time financial and ERP workflows.
• Develop robust APIs, services, and infrastructure using Python and modern backend frameworks.
• Own the full software lifecycle including architecture, development, testing, CI/CD pipelines, deployment, and post-release monitoring.
• Work closely with product teams to translate complex accounting and finance requirements into scalable technical solutions.
• Manage and optimize databases including PostgreSQL, schema design, migrations, and performance tuning.
• Integrate third-party systems and external services while managing edge cases, reliability, and risk.
• Build and maintain production-grade systems capable of handling high complexity and evolving business logic.
• Continuously improve system performance, scalability, and reliability in a fast-moving environment.

Requirements:

• 5+ years of experience in backend engineering roles (language agnostic).
• Strong experience building scalable, production-grade backend systems with complex business logic.
• Proficiency with cloud infrastructure (AWS or similar environments).
• Strong expertise in databases, including PostgreSQL, SQL, ORM frameworks, schema design, and data migrations.
• Experience designing and building robust APIs and backend services.
• Solid understanding of software engineering best practices, CI/CD pipelines, and production operations.
• Ability to work with evolving requirements in complex, high-scale systems.
• Experience in fast-paced, high-ownership engineering environments.
• Python experience with frameworks such as FastAPI, Flask, or Django is a strong plus.
• Excellent communication skills and fluency in English (C1+).
• Strong problem-solving mindset, curiosity, and ability to move quickly with high autonomy.

Benefits:

• Base salary range: USD $140,000 – $250,000
• Equity package: USD $50,000 – $80,000
• Remote-first work model with global team flexibility
• 27 days of paid time off (including public holidays)
• Learning and development budget for courses, certifications, and training
• Support for home office setup, internet, and equipment needs
• Opportunity for future relocation with visa sponsorship options to New York
• High-impact early-stage role with significant ownership and career growth potential
• Fast-paced, high-trust environment with strong technical culture