cover image
SumUp

SumUp

sumup.co.uk

2 Jobs

3,606 Employees

About the Company

SumUp is a leading global fintech company committed to levelling the playing field for small businesses. Founded in 2012, we’re the trusted partner of over 4 million merchants in 36 markets worldwide, providing simple and affordable tools that enable them to manage payments, business finances and customer relationships.

Our diverse team of over 3,000 SumUppers, representing more than 90 nationalities and spread across 20 offices worldwide, is at the heart of our success. We embody the spirit of global collaboration and innovation. Our mission is to empower small businesses worldwide by continuously expanding our product range into new markets. But our commitment extends beyond business. We believe in giving back to our communities by donating 1% of the net revenue generated by Solo devices to support environmental causes and advocating for educational and entrepreneurial projects. Our recognition as a top global employer for inclusion by the Stonewall Workplace Equality Index in 2022 and 2023 is a testament to our tireless dedication to fostering an inclusive and supportive workplace for all.

Listed Jobs

Company background Company brand
Company Name
SumUp
Job Title
Senior Backend Engineer
Job Description
Job Title Senior Backend Engineer Role Summary Develop and maintain secure backend systems that enable Point‑of‑Sale (POS) products to meet fiscal compliance requirements across multiple European jurisdictions, including Italy, Sweden, Norway, Belgium, Austria, and others. Expectations - Minimum 5 years of professional backend development. - Proficiency in Java and/or Kotlin, with strong architectural, data‑modeling, and API‑design skills. - Demonstrated experience building distributed, fault‑tolerant systems. - Hands‑on expertise with AWS services and Kubernetes. - Familiarity with Kafka and PostgreSQL. Key Responsibilities 1. Design, implement, and evolve fiscal compliance modules for cross‑border POS operations. 2. Build integrations with third‑party receipt‑fiscalization and regulatory reporting services. 3. Extend and maintain high‑availability APIs and microservices across a distributed POS ecosystem. 4. Collaborate with cross‑functional teams (product, design, engineering) and remote stakeholders in multiple cities. 5. Analyze jurisdiction‑specific fiscal rules and translate them into robust software solutions. Required Skills - Java/Kotlin programming - System architecture & design principles - Data modeling & relational database design (PostgreSQL) - API design (REST/GraphQL) - Distributed systems, fault tolerance, scalability - Cloud platform proficiency (AWS) - Container orchestration (Kubernetes) - Message‑queue (Kafka) Required Education & Certifications - Bachelor’s degree in Computer Science, Software Engineering, or a related technical field. - Relevant certifications (e.g., AWS Certified Developer, Kubernetes Administrator) are advantageous but not mandatory.
Paris, France
On site
Senior
26-11-2025
Company background Company brand
Company Name
SumUp
Job Title
AI/ML Sales Operations Internship - 6 months
Job Description
**Job Title** AI/ML Sales Operations Internship – 6 months **Role Summary** Support the development, deployment, and optimisation of AI‑driven workflows that shape sales and revenue operations. Work on real business challenges from day one, improving AI scripts, monitoring performance, and driving continuous improvements. **Expectations** - Curiosity about applied AI and automation. - Structured, proactive problem‑solving across multiple priorities. - Ability to collaborate, remain reliable, and learn quickly in a fast‑paced environment. **Key Responsibilities** - Implement AI/ML flows and agents to collect and categorise competitor pricing from files, websites, and sales calls. - Monitor and optimise AI scripts by reviewing call recordings/transcripts, refining prompts, and tracking performance metrics. - Support key AI initiatives such as lead‑scoring model revamp and data‑enrichment automation workflows. - Document and track AI processes, maintaining model documentation and developing dashboards to monitor adoption and accuracy. - Run experiments to test and optimise AI workflows, prompts, and automation logic for continuous improvement. **Required Skills** - Knowledge of AI operations or workflow automation tools (e.g., Make, Zapier). - Comfortable working with data, extracting insights, and translating them into process improvements. - Structured, analytical, and proactive with strong problem‑solving skills. - Fluent in English; additional fluency in French, Italian, German, or Spanish is a plus. - Collaborative mindset, reliability, and a commitment to continuous learning. **Required Education & Certifications** - Currently pursuing or recently completed a Bachelor’s degree in Computer Science, Data Science, Engineering, Business Analytics, or a related field is preferred. - No specific certifications required.
Paris, France
On site
17-12-2025