Site Reliability Engineer

Contentserv Technologies Lda. (PT); Paris; Hybrid; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Remote or Office based

Competitive salary

Corporate healthcare insurance plan (2

Access to Company Mobility Program

Extra paid leave days starting at 25

Job summary

Centric Software is seeking a Site Reliability Engineer to maintain and improve the reliability and performance of its Shoppingfeed product. You will work closely with software developers and infrastructure engineers, focusing on nginx, php-fpm, and Docker-based workloads, while supporting deployments and on-call rotations.

You will bring hands-on experience with PHP applications, Linux, Git, and cloud services (AWS).

Qualifications

• 2+ years proven experience with Linux CLI.
• 2+ years proven experience with Docker or other container technology.
• Strong hands-on experience with PHP applications and their runtime (php-fpm).
• 5+ years proven experience with GIT.
• Knowledge across Linux Kernel, Load Balancing, AWS S3, containers, MySQL/MariaDB, Elasticsearch.

Responsibilities

• Diagnose and resolve application reliability and performance issues across the stack.
• Tune and scale the web-serving layer under production load (nginx, php-fpm, database).
• Configure and troubleshoot nginx as reverse proxy/web server.
• Diagnose and resolve performance and scale problems under load.
• Develop, maintain, and support Docker-based workloads.
• Own product deployment and upgrade processes end-to-end.
• Support and troubleshoot running customer-facing services.
• Collaborate with product teams to implement improvements, post-incident reviews.

Skills

Linux

Docker

PHP

Git

AWS

MySQL/MariaDB

Elasticsearch

Kubernetes

CI/CD

RabbitMQ

Tools

Nginx

PHP-FPM

Datadog

Prometheus

Grafana

Terraform

Ansible

GitHub Actions

GitLab CI

Jenkins

Job description

About Centric Software: Centric Software® is a global leader, providing an innovative and AI-enabled product-concept-to-commercialization platform for retailers, brands and manufacturers of all sizes. We equip retail, fashion, luxury, footwear, outdoor, home and consumer goods brands with pioneering best-of-breed solutionsto plan, design, develop, source, comply, buy, make, price, allocate, sell and replenish products. Our technology powers brands to streamline processes, drive efficiency and operate with confidence in an ever-changing market. Our story is one of rapid growth, bold ideas and extraordinary opportunities. We’re here to challenge the status quo—and we’re looking for brilliant people who want to do the same. No matter where you are in the world, this is your chance to be part of something exceptional.

OUR VISION FOR THIS ROLE:

In your new role as Site Reliability Engineer, you will support us right in the heart of our SaaS, as an integral member of the Site Reliability Engineering team. You will be responsible for the Shoppingfeed product, working in close relations with our software developers and infrastructure engineers, but also with our security and QA colleagues.

YOUR CURRENT TASKS WITH THE OPPORTUNITY TO GROW – WHAT WILL YOUR LIFE AT CENTRIC SOFTWARE LOOK LIKE?

• Diagnose and resolve application-level reliability and performances issues across the pull request path (nginx –> php-fpm –> application –> database/cache)
• Tune and scale the web-serving layer under production load — php-fpm pool sizing and process management, nginx timeouts/buffering/upstream keepalive, capacity planning.
• Solid experience configuring and troubleshooting nginx as a reverse proxy / web server (timeouts, buffering, upstream keepalive, diagnosing 502/504s).
• Proven experience diagnosing and resolving performance and scaling problems under load (latency, worker/pool saturation, capacity planning).
• Develop, maintain, and support our own Docker-based workloads
• Own the product deployment and upgrade process end to end
• Support and troubleshoot running customer-facing services
• Work 50% of your time with our product teams, ensuring much-needed improvements get defined, explained, worked on and rolled out
• Continuously helping to improve both our product and the infrastructure underneath, by taking the responsibility together with your team
• Define reliability metrics and ensure they are kept by all the systems you oversee
• Be part of our On-Call and On-Duty rotations

YOUR PROFILE – WHAT DO YOU NEED TO FIT IN?

Minimum qualifications

• 2+ years proven experience with Linux CLI
• 2+ years proven experience with Docker or other container technology
• Strong hands‑on experience with PHP applications and their runtime (php-fpm process management), able to read and debug application code
• 5+ years proven experience with GIT
• You have good knowledge over a multitude of technologies (from Linux Kernel and Load Balancing to PHP, AWS S3, from container orchestration to MySQL/MariaDB and Elasticsearch)
• B2 English

Preferred qualifications

• 3+ years proven experience with configuration management tools (Ansible; Saltstack; Puppet; Chef etc)
• 1+ years proven experience with Kubernetes
• 3+ years proven experience managing clustered Linux servers
• 2+ years experience working in a team, on large GIT projects
• 3+ years proven experience with CI/CD tools (ideally Github Actions or similar tools like GitLab CI, Jenkins) with a monitoring tool (ideally Datadog or prometheus/grafana or kibana/elasticsearch)
• 2+ years proven experience managing Elasticsearch clusters
• 2+ years proven experience managing MySQL / MariaDB
• Proven experience troubleshooting complex issues [ 3+ proven experience with at least one cloud provider (ideally AWS)
• 3+ proven experience with IaC tools (ideally Terraform)
• proven experience with RabbitMQ is a plus

YOUR PERSONALITY – BE A PART OF OUR RELENTLESS PIONEER STRATEGY:

• Communication: you like to share your knowledge with your colleagues and to document your work
• Curiosity: You want to find out the root cause of problems and fix them permanently
• You enjoy introducing innovations and implementing improvements
• You are interested in exciting current trends and technological developments in the cloud environment like Docker and Docker Swarm, Ansible, Continuous Integration, Continuous Deployment and AWS services
• Customer first: we are here to support our customers and do all in our power to help them
• Initiative and Ownership: you make it, you run it, you break it, you fix it

SOME GOOD REASONS TO JOIN OUR TEAM:

• We offer you a versatile job with high personal responsibility and global challenging tasks
• You can work in a professional, international working environment with flat hierarchies and short decision-making paths
• We live a co-operative and respectful corporate culture with fun at work and room for own ideas
• You have the chance to learn, develop and grow with support of our whole international team
• A collegial and appreciative corporate culture with fun at the task and room for own ideas
• Flexible work schedules
• Remote or Office based
• Competitive salary
• Corporate healthcare insurance plan (after probation period)
• Access to Company Mobility Program
• Entitled to extra paid leave days package, starting with 25 days yearly total and growing with seniority in the Company
• We provide possibility of therapy sessions, as part of the Employee Assistance Program
• A modernly equipped and pet-friendly workplace

Centric Software provides equal employment opportunities to all qualified applicants without regard to race, sex, sexual orientation, gender identity, national origin, color, age, religion, protected veteran or disability status or genetic information.

Join Centric Software®, where digital transformation meets real-world impact. We design and deliver next-generation solutions that empower the world’s leading retailers, brands and manufacturers in fashion, luxury, footwear, outdoor, home, food & beverage, cosmetics & personal care and multi-category retail—to become smarter, leaner and more sustainable. Our philosophy is simple: attract the best customers by building the best solutions—crafted by the best teams across the globe. Together, we push boundaries, transform industries and shape the future of how products are made, launched and managed.