Staff Software Engineer, Meta Advertising & Server-Side Signals (CAPI / MSGW) (m/f/d)

Hybrid in Lisbon (minimum of 2-3 days a week from the office)Usercentrics is a global leader in the field of consent management platforms (CMP). We follow our company vision to build a world where user privacy enables a thriving digital ecosystem. Our mission is to provide privacy solutions that empower organizations to embrace data privacy while building trust with their users through freedom of choice. With our product, businesses can collect, manage and document user consents on websites and apps, and achieve full compliance in accordance with global privacy regulations while facilitating high consent rates and building trust with their customers.

We are seeking a Staff Software Engineer with deep specialization in Meta’s performance advertising ecosystem, particularly Meta Signals Gateway (MSGW) and Conversion API (CAPI). You will own the architecture and implementation of our server-side signals platform end-to-end.

This role requires strong backend engineering skills, an understanding of advertising data semantics, and the ability to design scalable

• Design and implement our systems & services that integrate with Meta MSGW at scale.
• Implement and operate high-availability microservices delivering the functionality for our Meta SGW product offering.
• Integrate with Meta’s API surfaces (Graph API, CAPI endpoints, Signals Gateway).
• Collaborate with product and engineering teams to ensure end-to-end data compliance and transparency.
• Mentor and lead engineers in server-side tracking best practices.

• 5+ years of software engineering experience, including deep backend development
• Strong expertise with Meta Conversion API (CAPI) and ideally Meta Signals Gateway (MSGW) in production systems
• Excellent knowledge of Node.js, TypeScript, JavaScript (including server-side runtime constraints).
• Strong understanding of advertising and tracking mechanics
• Experience with CDNs (e.g., Cloudflare,Akamai, GCP) for caching, edge execution, and traffic routing
• Hands-on experience with cloud-native infrastructure (GCP is a plus)
• Solid grounding in API design & security
• Ability to lead cross-team architectural decisions

Nice to Have

• Experience with Kubernetes (operating microservices, autoscaling, observability)
• Background working in web agencies, advertising ops or measurement engineering
• Familiarity with privacy frameworks (GDPR, ePrivacy, consent/opt-out flows)
• Broader experience with other ads platforms (TikTok, Google Ads, etc.)

Don’t meet every single requirement? Studies have shown that women and people of colour are less likely to apply to jobs unless they meet every single qualification. At Usercentrics we are dedicated to building a diverse, inclusive and authentic workplace, so if you’re excited about this role but your past experience doesn’t align perfectly with every qualification in the job description, we encourage you to apply anyway. You may be just the right candidate for this or other roles.

• Joining Usercentrics means becoming part of a fast-growing, diverse and international team of tech enthusiasts and entrepreneurially-minded who build our success story together
• Company culture is important to us - we strive to continuously develop a positive, vibrant and inspiring environment that enables everyone to thrive both personally and professionally
• Get involved! We have plenty of initiatives and love to see people from all department enthusiastically participating and shaping our future together in different cross-department projects
• Your work-life balance is important to us too - we offer flexible working hours, hybrid working and the possibility of workcations (in accordance with our company policy)
• We always remember to have fun along the way, both in our day-to-day work and at our regular team events on site in our offices in Munich, Copenhagen, Odense, Lisbon and Prague or online
• You are the most valuable asset to our company which is why we’re happy to offer awesome benefits like our personal development budget, job-related language courses and a lot more (depending on your location) to focus on your well being

Some of our benefits

• Development Budget for every employee: 800,-EUR/ year
• Job-related Language Courses (English, German, Czech, Spanish etc.): 350,- EUR/ year
• Hybrid working policy and the possibility to take a workcation (90 days per year from a European country)
• Online yoga sessions
• Headspace App
• Events - Team Buildings, happy hours, parties/get togethers, occasional company covered breakfasts/lunches, in/across offices, online/in person etc.
• Gifts - We celebrate life & work milestones at UC (work anniversaries, new bom babies and similar)
• Snacks, fruits, coffee and drinks in the office