Senior Back-End Engineer

LotusFlare; Mexico; On-site; MXN 700,000 - 900,000; Full time

Benefits offered by this job

Competitive salary package

Paid lunch (In the office)

Private healthcare

Yearly bonus

Training and workshops

Flexible working hours

Job summary

LotusFlare is seeking a Senior Backend Engineer based in Mexico to enhance their dynamic product stack aimed at handling millions of concurrent API calls. The role demands extensive experience in building secure and scalable web services as well as a solid understanding of distributed systems concepts. Ideal candidates will have a background in languages like Node.js and experience with cloud platforms. The position offers a competitive salary, paid lunches, private healthcare, and flexible working hours.

Qualifications

• 5-7+ years of experience designing, building, and deploying web services.
• Experience with languages such as Java, Python, Golang, or similar.
• Hands-on experience with cloud platforms and containerization.

Responsibilities

• Developing/testing, conducting code reviews, and managing code in production.
• Collaborating closely with product and engineering teams.

Skills

Designing scalable web services

Security best practices

API design principles

Concurrency models

Cloud technologies

Education

BA/BS in Computer Science or related field

Tools

Node.js

Docker

Kubernetes

Job description

Job Description And Responsibilities

Senior Backend Engineers at LotusFlare are replacing traditional business back ends with an engagement‑centric, dynamic product stack. They are responsible for further developing, securing, and scaling the back‑end infrastructure to support the platform to handle millions of concurrent API calls. Every engineer is an integral part of our global engineering team and is directly responsible for more than half a million users of our platforms. They are working on mission‑critical, highly available distributed systems.

• Your day usually starts with a daily meeting/standup/quick sync‑up
• Your daily responsibilities include the entire software cycle from developing/testing, to code reviews and maintaining/managing your code/application on production
• You closely collaborate with product and other functional engineering teams
• You take time out of your day to closely collaborate with your teammates, asking questions or providing answers
• You take ownership of the code you write

Requirements

• A BA/BS in Computer Science, a related technical field, or equivalent practical experience would be a plus
• 5‑7+ years of work experience designing, building, and deploying highly scalable and secure web services in production environments
• We have a language‑agnostic approach; we use Node.js, Lua, and Scala—experience with other languages such as Java, Python, Golang, C++, or similar is welcome
• Strong understanding of security best practices, performance optimization, and fault tolerance
• In‑depth knowledge of distributed systems concepts (consistency, fault tolerance, consensus algorithms)
• Mastery of RESTful API design principles. Experience with API gateways, API documentation tools, and API security
• Deep understanding of network protocols (TCP/IP, HTTP, DNS) and how they impact application performance and security
• Strong understanding of concurrency models and their tradeoffs
• Experience with techniques for handling concurrency challenges in high‑traffic environments
• Advanced data modeling skills in both SQL and NoSQL databases
• Hands‑on experience with a wider range of cloud platforms and technologies. This might include containerization (Docker, Kubernetes), serverless computing, and other DevOps tools

Benefits

• Competitive salary package.
• Paid lunch (In the office)
• Private healthcare
• Yearly bonus
• Training and workshops
• Truly flexible working hours
• Top‑of‑the‑class engineers to learn from and work with