Software Engineer, Cloud Engineer - Software, Backend Developer

Overview

About Square

X: Square

X is a leading cybersecurity company that focuses on providing robust protection to users while ensuring their productivity remains unhampered. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are looking for a dedicated and motivated Software Engineer to join our engineering team and contribute to developing innovative product features.

• Build backend systems and services to enable features and solve problems for highly scalable and technically advanced products.
• Scale the backend infrastructure to multiple cloud service providers for high availability.
• Build sub-millisecond APIs for highly responsive application features.
• Apply problem-solving skills to come up with innovative solutions to complex problems such as improving the efficiency, reliability, and performance of the systems.
• Constantly try to push the bar for the systems being built, in terms of scalability, reliability, and performance.
• Be thoroughly hands-on, write and review code, and come up with design and architecture solutions.
• Practice great engineering practices, including writing test cases, CI/CD processes for deployments, and end-to-end ownership of everything you develop.
• Support engineering operations, including being on-call for production support and helping in debugging and troubleshooting when necessary.
• Collaborate effectively with the rest of the team, while being a good communicator (both verbal and written).
• Document and share important aspects of all engineering decisions being made.

• Must have strong engineering skills and foundations, including problem-solving, coding, and debugging
• Must have strong programming skills in Python and familiarity with Decorators, Metaclasses, and Context Managers.
• Must have strong programming skills in Go, familiarity with cgo interfacing, and how to use Channel Patterns (Fan-in, Fan-out, Pipeline) for managing concurrency.
• Must have experience in building highly scalable and modular REST APIs and Web Socket interfaces with support over HTTP/2 and HTTP/3.
• Must have experience building Browser extensions for Chrome and Firefox.
• Must have experience building optimized Go-based web assembly modules for browser extensions.
• Must have expertise in architecting database schema and index management for highly scalable API infrastructure.
• Must have experience in building custom ETL solutions with Postgres using foreign data wrapper extension
• Must have experience in document conversion projects such as Gotenberg.
• Must have experience in building multi-layer in-memory cache in load-balanced VMs.
• Must have experience in writing highly optimized SQL Queries for transforming multi-table data into a single table by leveraging recursive CTEs, Pivot operations, and window functions.
• Must have experience building analytics dashboards for backend monitoring on Grafana.
• Must have 2+ years of experience with managing identities, organizations, and resources on AWS.
• Must have an understanding of the permission model, resource management, and how to maintain PoLP on AWS, Google Cloud Platform, and Azure.
• Must have expertise in writing Infrastructure as Code with popular IaaS frameworks such as Terraform for cross-account deployments.
• Must have experience in setting up CI/CD with Git Hub Actions and AWS Code Deploy.
• Must have experience with workflow orchestration software such as Luigi or Apache Airflow
• Must have familiarity with Linux at the systems level and familiarity with concepts such as name spaces, cgroups, and pivot roots.
• Must have an understanding of how to harden Linux servers across distributions such as Debian, Ubuntu, Fedora, CoreOS, and Amazon Linux.
• Must have extensive knowledge of container, and container orchestration platforms, networking, load balancers, observability tools, and understanding of systems metrics.
• Must have familiarity with container security and advanced security features such as seccomp and apparmor.
• Must know about cloud security, web application security, and OWASP Top 10.
• Must have a bachelor’s degree from a reputable university.

Annual Salary Range (USD): $90,000 – $120,000

• We thank all applicants for their interest, but only those selected for an interview will be contacted.