Senior Backend Engineer

SumUp; São Paulo; Presencial; BRL 120.000 - 160.000; Tempo integral

Resumo da oferta

A global fintech company in São Paulo seeks a Software Engineer to design and implement scalable backend services. You will guide engineering decisions, mentor developers, and collaborate with cross-functional teams. Ideal candidates will have strong software engineering skills, be proficient in Golang or Python, and have experience with PostgreSQL and messaging queues. Great benefits include health plans, meal vouchers, and career development opportunities.

Serviços

Health plans

Meal vouchers

Life insurance

Childcare allowance

Annual education budget

Qualificações

• Strong software engineering expertise including automated testing, CI/CD, and performance optimization.
• Proficient in at least one major programming language (Golang or Python).
• Experience with relational databases, especially PostgreSQL.

Responsabilidades

• Guide engineering decisions and mentor other developers.
• Design and maintain backend services processing transaction data.
• Collaborate with squads to balance urgent requests with long-term planning.

Conhecimentos

Software engineering expertise

Golang or Python proficiency

PostgreSQL experience

Messaging queues (SQS, RabbitMQ)

Stream processing (Kafka)

MongoDB and Redis familiarity

Technical documentation skills

Adaptability

Advanced English proficiency

Descrição da oferta de emprego

SumUp empowers businesses to get paid effortlessly, process orders fast, sell online in minutes, and manage their money with confidence.

We build the tools that help businesses — and their customer experiences — thrive.As a key member of the Payments BR Tribe, you'll help shape and deliver innovative products that make a real difference for our merchants in Brazil.

You'll join a global, autonomous, cross‑functional team committed to turning bold ideas into seamless, high‑impact solutions.

Being part of the Payments team means working alongside driven, purpose‑led people who take ownership, embrace challenges, and are passionate about helping businesses succeed.

What you’ll do

• Guide engineering decisions and mentor other developers.
• Design, implement, and maintain highly available backend services that process and reconcile transaction data at scale.
• Redesign and evolve architectural systems to support the transition toward a standalone reconciliation and reporting application for payment receivables.
• Collaborate with multiple squads and stakeholders to address urgent requests while protecting the squad’s long‑term technical vision.
• Optimize database performance, improve test coverage, and ensure observability, resilience, and reliability across systems.
• Actively participate in architectural discussions within the Payments BR tribe.

You’ll be great for this role if you

• Have strong software engineering expertise, including code design, quality attributes, automated testing, CI/CD, performance optimization, resilience patterns, and distributed systems.
• Are proficient in at least one of the following languages: Golang or Python (experience with multiple is a plus).
• Have deep experience with relational databases (especially PostgreSQL) and are comfortable with schema modeling, query optimization, and database tuning.
• Have worked with messaging queues (SQS, RabbitMQ) and stream processing platforms (Kafka).
• Are comfortable working with MongoDB and Redis.
• Are capable of producing clear, structured technical documentation.
• Thrive in ambiguous environments, are adaptable, and can balance long‑term technical improvements with short‑term high‑priority demands.
• Have advanced English proficiency and can present and discuss technical topics effectively in public forums or cross‑team settings.

Why you should join SumUp Global Experience

• Collaborate with a diverse team of 3,000+ people from over 90 countries, and join our global off‑sites and hackathons.
• Engage in a collaborative culture that values diversity, innovation, and teamwork, where your ideas and contributions truly matter.
• Career growth: Be part of a global team working on large‑scale fintech products used by millions of businesses.
• Great benefits: Health plans, meal vouchers (VR), Zenklub, Wellhub, life insurance, childcare allowance, and more.
• Learning & Development: Access an annual budget of R$ 10,000 for education, certifications, and conferences.
• Time Off: Enjoy 30 additional days off through our Break4Me program after 3 years at SumUp.
• Grow with Us: Participate in our virtual stock program and benefit from SumUp’s success with company shares.
• Learn more about SumUp Office tour at São Paulo.
• Ask me anything on Engineering at SumUp.
• SumUp’s Innovation Hackathon.
• Get to know our hiring process.

Apply now and help us shape the future of financial solutions for small businesses.