# Careers & Engineering Culture - QuantZent Join QuantZent in Kolkata, West Bengal. We build enterprise business applications, infrastructure, and high-reliability cloud solutions. We prioritize engineering craft, type safety, deterministic testing, and clean architectural boundaries. We move quickly without breaking core invariants, using modern JVM runtimes and cloud-native deployments. If you love writing clean code, care about software craft, and want to learn how modern, scalable platforms are built from first principles, QuantZent is the place for you. --- ## Open Engineering Positions ### 1. Cloud Engineer (Linux, Any Cloud, Python) - **Location:** Kolkata, West Bengal, India (Hybrid) - **Department:** Engineering - **Employment Type:** Full-time - **Experience Required:** 1 – 2 Years #### Role Overview We are looking for a **Cloud Engineer** with **1 to 2 years of hands-on experience** working with Linux, public cloud platforms (GCP, AWS, or Azure), and Python at any capacity. In this role, you will help design, provision, automate, and monitor production cloud environments across Google Cloud Platform (GCP) and Amazon Web Services (AWS). You will work closely with senior infrastructure architects to manage Linux hosts, author Python automation tooling, maintain Docker container stacks, and participate in Terraform infrastructure as code (IaC) workflows. #### Key Responsibilities - **Cloud Infrastructure Management:** Provision, configure, and maintain virtual machine instances, VPC networking, static IPs, and firewall rules across GCP and AWS. - **Linux Systems Administration:** Administer Debian/Ubuntu Linux hosts, configure systemd services, monitor disk/memory pressure, manage swap space, and maintain log rotation. - **Automation & Scripting:** Author clean Python and Bash scripts for automated health probes, database backups, telemetry collection, and deployment hooks. - **Container Orchestration:** Manage multi-container deployments using Docker and Docker Compose, configure Caddy reverse proxies, and ensure zero-downtime rolling deploys. - **CI/CD & Security:** Maintain GitHub Actions deployment pipelines using keyless Workload Identity Federation (WIF) and adhere to least-privilege IAM policies. - **FinOps & Cost Governance:** Track cloud resource utilization, eliminate idle assets, and optimize compute sizing to maintain tight monthly budget guardrails. - **Infrastructure as Code (IaC):** Assist in writing and reviewing declarative Terraform configurations for automated, repeatable cloud infrastructure. #### What We Are Looking For (Requirements) - **1 – 2 years of professional software engineering or systems experience** working with Linux, cloud infrastructure, and Python. - **Strong Linux Fundamentals:** Comfortable navigating Linux terminal environments, managing processes (`ps`, `htop`, `systemctl`), managing file permissions, and debugging network connectivity (`curl`, `netstat`, `lsof`). - **Hands-on Cloud Experience:** Practical experience with **any major cloud provider** (Google Cloud Platform, AWS, or Microsoft Azure) in any capacity (compute instances, cloud storage, networking, IAM). - **Python Scripting:** Ability to write clean, maintainable Python scripts to automate tasks, interact with cloud REST APIs, or parse operational logs. - **Container Basics:** Working knowledge of Docker (building images, writing Dockerfiles, and using Docker Compose). - **Version Control:** Familiarity with Git workflows (branching, commits, pull requests). - **Problem-Solving Mindset:** Methodical troubleshooting approach, high attention to operational safety, and curiosity to learn. #### Nice-to-Haves (Bonus Points, Not Required) - Foundational experience with **Terraform** or OpenTofu (writing basic modules, understanding state files). - Familiarity with **Google Cloud Platform (GCP)** specifically (Compute Engine, VPCs, Artifact Registry). - Exposure to **GitHub Actions** and CI/CD pipelines. - Familiarity with reverse proxies like **Caddy** or NGINX. - Basic understanding of relational database operations (e.g. PostgreSQL backups and restoration). #### What We Offer - **Direct Mentorship:** Learn directly from senior cloud architects who have built systems processing millions of transactions. - **Zero Legacy Cruft:** Work on modern, clean infrastructure patterns (WIF, automated TLS, modern Linux kernels). No convoluted, unmaintained legacy setups. - **High Impact:** Opportunity to contribute directly to production deployments, cost audits, and automation frameworks from day one. - **Transparent Engineering Culture:** Meritocratic, highly collaborative, zero-ego team focused on building robust products. - **Competitive Compensation:** Attractive salary package with performance bonuses and clear technical career ladders. #### How to Apply Send your resume and links to your GitHub profile, dotfiles, or infrastructure projects to: **hi@quantzent.com** Subject: **Application: Cloud Engineer - [Your Name]** --- ### 2. Java/Kotlin Backend Engineer (Spring Framework) - **Location:** Kolkata, West Bengal, India (Hybrid) - **Department:** Engineering - **Employment Type:** Full-time - **Experience Required:** 1 – 2 Years #### Role Overview We are looking for a **Java Backend Engineer** with **1 to 2 years of hands-on experience** working with Java and the Spring Framework at any capacity. In this role, you will work alongside senior engineers to design, build, and maintain mission-critical backend services, RESTful and GraphQL APIs, and database migrations. You will be exposed to enterprise software architecture (Ports and Adapters / Clean Architecture), automated CI/CD pipelines, and cloud environments, gaining high-velocity mentorship and end-to-end feature ownership. #### Key Responsibilities - **Feature Engineering:** Develop and maintain clean, testable business services and APIs using Java/Kotlin and Spring Boot. - **API & Contract Design:** Build RESTful endpoints and assist in GraphQL schema integrations for web and mobile frontends. - **Database & Persistence:** Design relational data models, write efficient SQL queries, and manage database migrations using Flyway and PostgreSQL. - **Testing & Quality Assurance:** Author comprehensive unit and integration tests using JUnit 5 and Mockito to guarantee reliability and prevent regressions. - **Code Craftsmanship:** Participate in peer code reviews, follow strict architectural boundary rules (constructor injection, zero domain leakage), and maintain high documentation standards. - **Continuous Learning:** Expand your skill set into Kotlin, reactive JVM programming, containerization (Docker), and cloud infrastructure (GCP/AWS). #### What We Are Looking For (Requirements) - **1 – 2 years of professional software engineering experience** developing backend applications in Java/Kotlin. - **Hands-on experience with the Spring Framework** in any capacity (Spring Boot, Spring MVC, Spring Data JPA, or Spring Security) through work experience, structured internships, or production personal projects. - **Solid Computer Science Foundations:** Deep understanding of Object-Oriented Programming (OOP), Data Structures, Algorithms, and clean code principles. - **Relational Databases:** Practical experience with SQL and relational databases (PostgreSQL, MySQL, or MariaDB), understanding schemas, foreign keys, indexes, and transactions. - **Testing Habits:** Familiarity with writing automated unit tests using JUnit 5 and Mockito. - **Tooling & Workflow:** Working knowledge of Git version control and modern build tools (Gradle or Maven). - **Growth Mindset:** Strong curiosity, proactive problem-solving mindset, and eagerness to learn Kotlin and modern architecture patterns. #### Nice-to-Haves (Bonus Points, Not Required) - Exposure to or interest in learning **Kotlin**. - Familiarity with **PostgreSQL** specific features (JSONB, Flyway migrations). - Experience with or conceptual understanding of **GraphQL** (Netflix DGS or Spring for GraphQL). - Familiarity with containerization (**Docker**, Docker Compose). - Understanding of **Clean Architecture / Hexagonal Architecture** principles. - Exposure to cloud platforms (**GCP** or **AWS**) and CI/CD pipelines (**GitHub Actions**). #### What We Offer - **Direct Mentorship:** Learn directly from seasoned architects and senior engineers who care about engineering excellence. - **Modern Tech Stack:** Work with cutting-edge tools (Java 21 / Kotlin, Spring Boot 3.5+, PostgreSQL 16, Vite/React 19). No legacy Java 8 or outdated monolith maintenance. - **High Impact:** Your code ships directly to production; you will own features from schema design to deployment. - **Transparent Engineering Culture:** Meritocratic, highly collaborative, zero-ego team focused on building robust products. - **Competitive Compensation:** Attractive salary package with performance bonuses and growth opportunities. #### How to Apply Submit your resume along with links to your GitHub profile, portfolio, or any relevant projects showcasing your backend Java/Spring work to: **hi@quantzent.com** Subject: **Application: Java/Kotlin Backend Engineer - [Your Name]** --- Applications & CVs: hi@quantzent.com | Location: Kolkata, West Bengal, India