We are looking for a Senior Software Engineer (Backend Focus) to join one of our clients' team, responsible for building and scaling high-load backend systems that process billions of transactions per day.
This is a direct-hire role within a global engineering organization of 900+ people, collaborating with teams in the US, Israel, and the UK. You will work on end-to-end development, modern architectures, continuous deployments, and real large-scale performance challenges.
Responsibilities
- Design and develop backend services, modules, and products for large-scale environments.
- Build systems capable of serving billions of daily transactions with a strong focus on performance, resiliency, and scalability.
- Participate in architectural design and propose structural improvements.
- Deploy code to production continuously, ensuring observability and stability.
- Lead end-to-end initiatives (design, development, testing, deployment, monitoring).
- Collaborate with Product to define and deliver new features.
- Mentor junior engineers and provide technical guidance across R&D teams.
- Contribute to development standards, best practices, and cross-team collaboration globally.
Requirements
Education & Language
- Advanced student or graduate of Computer Science, Software Engineering, or similar (mandatory).
- Advanced English — able to communicate fluently with global teams (mandatory).
Technical Experience
- 5+ years of backend experience in dynamic, high-complexity environments.
- Strong hands-on experience with microservices, REST APIs, cloud, and distributed architecture.
- Proven experience working on SaaS products or large-scale systems.
- Experience with Linux in production environments.
- Solid background in performance optimization, debugging, and high-scale databases.
- Experience with Git, CI/CD pipelines, and modern development workflows.
- Demonstrated ability to lead technical initiatives and mentor other engineers.
Programming Languages (one or more required)
- Java, Scala, Python, PHP, or JavaScript (Angular, React, Node.js).
Nice to Have
- Experience with Docker, Kubernetes, or container orchestration.
- Experience with React, Typescript, or modern frontend.
- Open-source contributions.
Tech Stack
- Backend: Java + Spring, Python, Scala + Play, Kotlin, Kafka
- Frontend: React, Typescript
- Infrastructure: Kubernetes, Docker, Snowflake
- Methodology: CI/CD, modern dev workflows, global team collaboration
Benefits
-
Salary: ARS 6.000.000 – 7.000.000 brutos (mensual)
- Monthly Inflation updates (according to PC)
- Lunch Credit
- OSDE 410 as medical assurance
- English lessons
- Gym coverage (SportClub 90% discount)
- Internet coverage (+35k)
- 1 extra paid month for primary & secondary birthing caregivers
- Learning & Development - Tools and Training
- Hybrid & flexible working model - nice offices in CABA with endless snacks & beverages
- High visibility roles with a tremendous amount of growth potential
- Global team and cross-company collaboration, unlike anywhere else
