Tech Lead, Backend Developer

Role Overview

• Provide technical leadership to the team on performance, resilience, and platform evolution initiatives.
• Define and review the architecture of low-latency, high-scale services.
• Collaborate with other teams on routing strategies, caching, CDNs, and security.
• Ensure best practices for code quality, testing, observability, and production operation.

Requirements

• Strong experience in backend application development.
• Experience designing and architecting distributed, scalable systems.
• Solid foundation in software engineering (SOLID principles, best practices, design patterns).
• Deep understanding of computer networks and high-scale systems (latency, throughput, contention, network congestion, etc.).
• Experience with containers (Docker) and orchestration (Kubernetes).
• Experience with observability tools (e.g., Prometheus, Grafana, ELK, New Relic, Datadog, etc.).
• Knowledge of databases (SQL and NoSQL).
• Experience with agile methodologies.
• The following are a plus:
• Experience with Go.
• Experience with web servers / reverse proxies (e.g., Nginx, Apache).
• Experience operating or using CDNs, understanding their benefits, limitations, and security requirements (WAF, authentication tokens, etc.).
• Knowledge of Lua or other embedded scripting languages.
• Familiarity with debugging and optimization tools for embedded systems.
• Knowledge of Unix and operating systems (terminal, sysctl, perf, top/htop, user space vs. kernel space concepts, interrupts, etc.).
• Knowledge of Infrastructure as Code (e.g., Terraform).
• Experience mentoring and developing technical team members.

Tech Stack

• Apache
• Docker
• Grafana
• Kubernetes
• Lua
• NGINX
• NoSQL
• Prometheus
• SQL
• Terraform
• Unix
• Go

Benefits

• Health and dental insurance
• Meal and grocery allowances
• Childcare assistance
• Extended parental leave
• Partnerships with gyms and health and wellness professionals via Wellhub (Gympass) / TotalPass
• Profit-sharing (PLR)
• Life insurance
• Continuous learning platform (CI&T University)
• Employee discount club
• Free online platform dedicated to physical and mental health and wellbeing
• Prenatal and responsible parenting course
• Partnerships with online course platforms
• Language learning platform
• And many more