Senior Software Security Engineer – Cloud Native Backend

Talanto; Kraków; Hybrid; PLN 309,000 - 375,000; Full time

Benefits offered by this job

Hybrid work model

Job summary

Talanto in Kraków is seeking a Senior Software Security Engineer – Cloud Native Backend to join a hybrid team. You will build secure, scalable backend services using Python/Django, Node.js/NestJS, and Go, delivering production-grade systems.

You will design OAuth2/OpenID Connect flows on Google Cloud, architect for GKE, and optimize PostgreSQL performance while mentoring engineers and driving secure-by-design practices across projects.

Qualifications

• 5+ years of backend development experience with Python, Node.js, or Go.
• Hands-on experience with GCP services (Cloud Run, GKE, Filestore) and IaC (Terraform).
• Strong knowledge of secure, scalable backend design with Zero Trust.

Responsibilities

• Develop and maintain high-performance backend services using Python (Django), Node.js (Typescript/NestJS), and Go.
• Lead OAuth2/OpenID Connect flows within Google Cloud Platform to optimize security and UX.
• Architect for Google Kubernetes Engine (GKE) and optimize PostgreSQL queries for high concurrency.
• Translate complex business requirements into robust technical solutions with automation.
• Contribute to open-source projects and share knowledge via blogs or GitHub.
• Collaborate across teams to uphold technical standards and modern engineering practices.
• Mentor teammates and promote a security-first mindset throughout service lifecycles.

Skills

Python

Node.js

Go

GCP

Terraform

OAuth2/OpenID Connect

PostgreSQL

Kubernetes

Security

Zero Trust

Tools

Django

NestJS

Go

GKE

Cloud Run

Filestore

Terraform

Job description

27,720 – 33,600 PLN

Important: if an employer asks you to log into their system via iCloud or Google, send a code, an SMS or Telegram password, run some code, or install software — refuse. These are signs of fraud.

Unleash innovation — build the future of secure, scalable cloud-native solutions!

Krakow-based opportunity with hybrid work model.

As a Senior Software Security Engineer – Cloud Native Backend, you will be working for our client, a leader in advancing software security through innovative, open-source, cloud-based platforms. You will play a pivotal role in driving engineering excellence across agile teams, shaping scalable, resilient solutions that set industry standards and transform business operations.

Your main responsibilities:

• Develop and maintain high-performance backend services using Python (Django), Node.js (Typescript/NestJS), and Go, ensuring they are secure, resilient, and cost-efficient.
• Lead the design and implementation of OAuth2/OpenID Connect flows within Google Cloud Platform, optimizing security and user experience.
• Architect for Google Kubernetes Engine (GKE), managing containerized applications and optimizing PostgreSQL query performance for high concurrency.
• Translate complex business requirements into robust technical solutions, fostering automation and continuous improvement.
• Contribute to open-source projects, share knowledge through blogs or Github, and advocate best practices within engineering communities.
• Collaborate across teams to maintain technical standards, improve delivery quality, and uphold industry shifts such as Go-Lang, Rust, and Typescript.
• Mentor team members, promote a security-first mindset, and ensure the entire lifecycle of services is reliable and cost-effective.

You're ideal for this role if you have:

• 5+ years of experience in backend development with Python, Node.js, or Go, with a strong track record of delivering production-grade services.
• Hands-on experience with GCP services (Cloud Run, GKE, Filestore) and Infrastructure as Code (Terraform).
• Expertise in architecting secure, scalable backend solutions with a focus on Zero Trust models and security as a core feature.
• Ability to design high-performance components and optimize database queries for high concurrency.
• Knowledge of IT development methodology, architecture design, and engineering standards.

It is a strong plus if you have:

• Contributions to open source or personal projects demonstrating technical mastery and innovation.
• Experience in holistic problem-solving and impact-driven engineering.

Language required for the role:
English – Fluent command required.

Eligibility to work in Europe:
Only candidates with an existing legal right to work in the European Union will be considered for this role.