Senior Software Engineer, Backend (Payments)

Posted Yesterday
Be an Early Applicant
Hiring Remotely in Brasil
Remote
Senior level
Fintech • Payments • Financial Services
The Role
Build, evolve, and maintain large-scale Ruby-based backend payment services (accounts, wallets, balances, authorization, card lifecycle). Design, test, deploy, monitor production systems, improve reliability and performance, drive architecture, lead end-to-end projects, mentor engineers, and collaborate with product and cross-functional teams across distributed locations.
Summary Generated by Built In

About us 

At Swile, we believe that good products can help reduce friction in daily professional life and boost employee satisfaction. Today, we provide innovative solutions in various areas such as Fintech, Travel, HR, and Employee Benefits to more than 5.5 million users in 85,000 companies in France and Brazil.

About the role 

We are looking for a Senior Software Engineer to join our Payments Platform team, responsible for building and evolving a large-scale financial infrastructure serving millions of users.

You will work on core payment and banking capabilities, including accounts, wallets, balances, payment authorization, card lifecycle management, compliance integrations, and reporting services. The platform is primarily built in Ruby, and you will contribute to its evolution in a highly autonomous and product-driven environment.

As part of a global engineering organization, you will collaborate closely with teammates across Brazil and France, partnering with Product and Engineering leaders to deliver reliable, scalable, and user-centric solutions.

We are looking for engineers who combine strong technical fundamentals with product thinking, business awareness, and a high level of ownership.

As a Senior Software Engineer, your mission will be to:

  • Design, build, test, deploy, and monitor backend services in production environments.

  • Contribute to the evolution of a large-scale payments platform supporting millions of users.

  • Work primarily with Ruby-based backend systems, evolving and maintaining core services.

  • Collaborate closely with Product, Engineering, and cross-functional stakeholders to solve real business problems.

  • Translate product requirements into pragmatic and scalable technical solutions.

  • Drive architectural discussions and contribute to technical decision-making.

  • Improve system reliability, observability, performance, and security.

  • Lead projects end-to-end, ensuring high-quality execution and delivery.

  • Participate in code reviews and promote engineering best practices.

  • Mentor other engineers and contribute to the technical growth of the team.

  • Facilitate communication and alignment across distributed teams.

What We're Looking For:

  • Significant experience building and operating backend systems in production.

  • Strong understanding of software design, distributed systems, and scalable architectures.

  • Experience with relational and non-relational databases.

  • Experience with messaging and event-driven systems such as Kafka, RabbitMQ, or similar technologies.

  • Ability to work autonomously and take ownership of complex problems from discovery to delivery.

  • Strong analytical and problem-solving skills.

  • Product mindset and ability to understand business context when making technical decisions.

  • Clear communication skills and ability to collaborate in a global environment.

  • Fluent/Advanced English proficiency (C1-C2 Level).

Nice to Have:

  • Experience in fintech, payments, banking, or other regulated industries.

  • Experience with compliance, KYC, or financial reporting systems.

  • Previous experience working in international and distributed teams.

Why Join Us?

You'll have the opportunity to shape critical payment infrastructure, solve complex engineering challenges at scale, and work alongside a highly autonomous team that values ownership, collaboration, simplicity, and continuous improvement.

Skills Required

  • Significant experience building and operating backend systems in production
  • Strong understanding of software design, distributed systems, and scalable architectures
  • Experience with Ruby-based backend systems
  • Experience with relational and non-relational databases
  • Experience with messaging and event-driven systems such as Kafka or RabbitMQ
  • Ability to work autonomously and take ownership from discovery to delivery
  • Strong analytical and problem-solving skills
  • Product mindset and business awareness when making technical decisions
  • Clear communication skills and ability to collaborate in a global environment (Fluent/Advanced English C1-C2)
  • Mentor other engineers and contribute to technical growth of the team
  • Experience in fintech, payments, banking, or other regulated industries
  • Experience with compliance, KYC, or financial reporting systems
  • Previous experience working in international and distributed teams
Am I A Good Fit?
beta
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
Paris
604 Employees

What We Do

We've made it our mission to create a more fulfilling world of work. The secret? Making people smile. Celebrating with your team after closing a big project. Grabbing lunch with coworkers at your favorite sushi place. Spending your employee benefits with a hassle-free payment solution. It’s time to start smiling at work. Here’s how: Swile Card: the all-in-one card for all your employee benefits. Meal vouchers, gift vouchers and mobility benefits are on one single smartcard that automatically pulls from the right account. It's compatible with Apple and Google Pay, and you can link your bank card to pick up the difference if you go over the daily limit. Checkout in just one swipe! Our App: the super-app to nurture team cohesion. Shower colleagues with emojis for professional or personal praises. Start a free collection for an upcoming birthday. Organize the next happy hour. Payback a coworker.... 1001 ways to connect, 1 app to do it. Insights: fun, gamified surveys to take the pulse of your teams. With our powerful analytics tool, pinpoint key engagement drivers and turn results into action. Drive positive change within your company. Everyday, every moment, give a reason to Swile

Similar Jobs

Bask Health Logo Bask Health

Software Engineer

Healthtech • Internet of Things • Hospitality • Telehealth
Remote
5 Locations
24 Employees

Datadog Logo Datadog

Solutions Architect

Artificial Intelligence • Cloud • Security • Software • Cybersecurity
Easy Apply
Remote or Hybrid
São Paulo, BRA
6500 Employees

Mastercard Logo Mastercard

Consultant

Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Remote or Hybrid
São Paulo, BRA
38800 Employees

Mastercard Logo Mastercard

Instructional Designer

Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Remote or Hybrid
São Paulo, BRA
38800 Employees

Similar Companies Hiring

Hanover Park Thumbnail
Artificial Intelligence • Fintech • Software • Financial Services
New York, New York
31 Employees
Kepler  Thumbnail
Fintech • Software
New York, New York
6 Employees
Onshore Thumbnail
Artificial Intelligence • Fintech • Software • Financial Services
New York, New York
60 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account