Postúlate en Kit Empleo: kitempleo.com.ar/empleo/q1foo

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.
Education & Language
Advanced student or graduate of Computer Science, Software Engineering, or similar (mandatory).
Advanced English
— able to communicate fluently with general 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
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
Integral team and cross-company collaboration, unlike anywhere else

Postúlate en Kit Empleo: kitempleo.com.ar/empleo/q1foo

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