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Jakub Janiszkiewicz

Jakub Janiszkiewicz

Senior DevOps / Site Reliability Engineer

Wrocław, Dolnośląskie, PL
+48 732 004 366
Polish, English, German

Background


About

About

Senior DevOps/SRE with a strong background in Backend Software Engineering and 9+ years of experience across the full development lifecycle. Specialist in Cloud Infrastructure (AWS/GCP), Site Reliability, and CI/CD automation. Google-experienced SRE with a proven track record at Atlassian and Goldman Sachs in applying engineering rigor to infrastructure and stability.

Work Experience

Work Experience

  • Senior DevOps Engineer, Atlassian

    Jan, 2025 - Present

    Leading the infrastructure ownership transition for core internal CI/CD tooling.

    • Architected AWS infrastructure using Terraform to enable the Bamboo product team to take full operational ownership of ~16 high-scale internal instances.

    • Streamlined cross-team workflows by automating instance provisioning and reducing manual lifecycle management overhead.

    • Ensuring 24/7 high availability for global engineering teams through consistent on-call support and proactive system hardening.

  • Site Reliability Engineer, Google

    Apr, 2022 - Jan, 20252 years 9 months

    SRE lead for reCAPTCHA and Safe Browsing, ensuring the reliability of security services protecting millions of web users.

    • Modernized service visibility by implementing advanced monitoring and dashboarding frameworks using Prometheus and Grafana.

    • Partnered with development teams to define SLIs/SLOs, successfully negotiating feature progression based on error budgets and system stability.

    • Reduced incident detection time and manual toil by engineering automated alerting workflows for high-traffic GCP-based services.

  • Software Analyst, Goldman Sachs

    Nov, 2020 - Apr, 20221 year 5 months

    Maintenance and monitoring of a mission-critical global fleet of financial services.

    • Managed full-stack service health through proactive monitoring and automated recovery scripts for distributed microservices.

    • Collaborated on large-scale infrastructure migrations, ensuring zero downtime for critical banking systems.

  • Senior Software Engineer / Scrum Master, Capgemini

    Jul, 2016 - Nov, 20204 years 4 months

    Backend development and data integration for BMW’s international dealer inventory and ordering systems using Java 8, SQL (Oracle 12c), and ExtJS.

    • Promoted to Subject Matter Expert (SME) for Informatica data workflows, optimizing complex supply chain and part-ordering logic.

    • Served as Scrum Master for a 5-member sub-team, improving sprint velocity through efficient blocker resolution and agile ceremony facilitation.

    • Developed and maintained core business logic in Java and JavaScript (ExtJS 6.6.0), supporting high-volume transactions for European dealerships.

  • Java Developer Intern, Nokia Networks

    Jun, 2015 - Sep, 20153 months

    • Automated quality assurance workflows by developing end-to-end test scripts using Selenium and Java.

Skills

Skills

  • Cloud & IaC

    AWS

    GCP

    Terraform

    Kubernetes

    Docker

  • SRE & Monitoring

    Prometheus

    Grafana

    SLIs/SLOs

    On-call

    Incident Management

  • Software Engineering

    Java 8

    Python

    Go

    C#

    C++

    Informatica

    SQL (Oracle 12c)

    ExtJS

Education

Education

  • Computer Science, Bachelor's Degree, Technical University of Wrocław (Politechnika Wrocławska)

    Oct, 2013 - Jan, 2022