Founding Senior Software Engineer (Portugal)

ClipbookPortugalProduct and Engineering

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Opens the official Clipbook careers page

Salary

Not listed

Job type

Full-time

Experience

Senior · 3+ yrs

Posted

10 Oct 2026

Status

Open · checked 7d ago

About this role

Role Overview

Founding Senior Software Engineer – Clipbook – Portugal. This senior engineering position is suited for developers with at least three years of experience building and scaling production systems who want to shape AI-driven features for a fast-growing SaaS platform.

Clipbook is a data-intensive platform that ingests news, TV, podcasts, social media and other internet sources, then uses large language models and other AI techniques to summarise and surface insights in real time. The company serves over 200 clients, including major consulting firms and government agencies, and is backed by a recent $3.3 M seed round.

Key Responsibilities

Design and implement core backend systems, making architectural decisions and owning features from concept to production.

Integrate large language models and machine-learning pipelines into live workflows, including retrieval-augmented generation, embeddings, prompt execution and fine-tuned models.

Build scalable infrastructure that can handle a ten-fold increase in usage, balancing short-term needs with long-term investments.

Develop high-performance APIs and internal services, ensuring reliability, security and a smooth experience for end users.

Collaborate with a small engineering team that includes alumni from Meta, Stripe and AWS, delivering new capabilities quickly to a large customer base.

Requirements

Minimum three years of experience creating and scaling production-grade backend systems.

Strong foundation in services, data modelling and distributed systems, with deeper expertise in at least one technical area.

Demonstrated ability to ship features rapidly and iterate based on user feedback.

Hands-on experience with cloud platforms (AWS or GCP), containerisation (Docker, Kubernetes) and CI/CD pipelines.

Excellent written and verbal communication skills.

Nice to Have

Experience with data-engineering tools such as Spark, Kafka, Flink, or BigQuery.

Background in building high-volume, fault-tolerant distributed systems.

Prior work deploying LLMs, retrieval-augmented generation pipelines, embeddings or fine-tuned models in production.

Proficiency in Python, TypeScript and PostgreSQL for high-concurrency backend services.

Skills and Tools

Cloud: AWS, GCP

Containerisation: Docker, Kubernetes

CI/CD pipelines

Data pipelines: Spark, Kafka, Flink, BigQuery

Backend languages: Python, TypeScript

Databases: PostgreSQL

AI/ML: LLMs, RAG, embeddings, model fine-tuning, inference optimisation

About the Company

Clipbook’s mission is to reinvent how leaders listen to and act on daily information flows. Launched in 2023, the company now serves more than 200 clients, including BCG, Weber Shandwick and several government agencies. It achieved seven-figure annual recurring revenue before raising a $3.3 M seed round co-led by Mark Cuban and other investors. The founding team includes alumni from BCG, Bain, Harvard, Stanford, Oxford, the White House and Congress, and has built prior startups backed by Sequoia, Tiger Global, Insight Partners, Coatue and NFX.

How to Apply

Candidates should apply through Clipbook’s official careers page.

Skills and tech stack

AWS GCP Docker Kubernetes CI/CD Spark Kafka Flink BigQuery Python TypeScript PostgreSQL LLMs RAG Fine-tuning Distributed Systems

Questions candidates ask

What type of engineering work will I be doing?

The role involves architecting core backend systems, integrating LLMs and ML models into production workflows, building scalable APIs and services, and contributing to data-engineering pipelines.

How much experience is required?

At least three years of experience building and scaling production systems is required.

Which cloud platforms does Clipbook use?

Clipbook uses AWS and GCP for its cloud infrastructure.

Is experience with containerisation necessary?

Yes, familiarity with Docker and Kubernetes is part of the required skill set.

What programming languages are preferred?

Python and TypeScript are listed as primary backend languages.

Will I work with AI models directly?

The role includes putting large language models and other ML models into production, covering tasks like retrieval-augmented generation, embeddings and fine-tuning.

Ready to apply?

The application is on the official Clipbook careers page.

Apply on company site