Senior Fullstack Platform Engineer — AI & Core Services

Hirebridge; Lisboa; On-site; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Bi-Weekly Meeting Free Days

Training and development programs

Job summary

Sovos in Lisbon seeks a Fullstack Senior Engineer to design, build, and operate platform services powering the Core Platform and AI Platform. You will create reliable, well-documented services used across the portfolio.

You will own API design, identity and admin features, and work with the Platform Adoption team to ensure fast adoption, strong production readiness, and robust testing and incident response capabilities.

Qualifications

• 7+ years of software engineering experience.
• Experience designing APIs, SDKs, or component libraries.
• Familiarity with identity patterns (OAuth/OIDC, SAML, SSO) is a strong plus.
• Experience or enthusiasm for AI tooling, agentic frameworks, and integrating LLM-based capabilities into platform services.
• Strong instincts for testing strategy.
• Excellent communication skills and ability to collaborate with diverse teams.

Responsibilities

• Design, build, and operate Core Platform and AI Platform services.
• Own the design and delivery of platform services across the portfolio, including identity and admin features.
• Collaborate with the Platform Adoption team to ensure broad adoption and rapid feedback loops.
• Lead testing strategies, deployment planning, and maintain operational quality.
• Participate in on-call rotations and incident response for platform-level issues.

Skills

7+ years exp

API/SDK design

Identity patterns

AI tooling / LLM

Testing strategy

Communication

Collaboration

Job description

Sovos in Lisbon seeks a Fullstack Senior Engineer to design, build, and operate platform services powering the Core Platform and AI Platform. You will create reliable, well-documented services used across the portfolio.

You will own API design, identity and admin features, and work with the Platform Adoption team to ensure fast adoption, strong production readiness, and robust testing and incident response capabilities.