Experience

Jerome de Dios

Software Engineering

job@jeromededios.de·Auerbach (Vogtland), Saxony, Germany


Software Engineer with over 15 years of experience in development and operations, including Java development, and a proven track record supporting high-traffic sports betting platforms. Skilled in system reliability, troubleshooting, cloud engineering, and collaborating effectively in agile environments. A Masterschool Software Engineering Program graduate, with strong skills in Python, Generative AI, and Cloud Engineering. Committed to building intelligent, scalable solutions and contributing to innovative technology teams, while continuing to develop German language fluency.

Skills

Python · TypeScript · JavaScript · jQuery · Java · Groovy · FastAPI · Flask · Fastify · Spring · Hibernate · JDBC · PostgreSQL · Supabase · MySQL · Elastic · SQLite · Oracle · DB2 · SQL · PL/SQL · SQLAlchemy · Knex.js · AWS · EC2 · RDS · Terraform · Kubernetes · Jenkins · GitHub Actions · React · React Router · Storybook · Tailwind CSS · Jest · React-Testing-Library · Selenium · JUnit · LangChain · LangGraph · Grafana · Kibana · RAG / LLM · Backend-for-Frontend (BFF) · TDD · Trunk-based development · CI/CD · Git · Node.js · Zod · Zustand · Pytest

Experience & Projects

Software and Cloud Engineer (Internship)

Sept 2025 - November 2025

Webeet · Remote

  • Built features using TypeScript, Fastify, and React with React Router, following Test-Driven Development (TDD) for reliable, maintainable code.
  • Created secure, scalable, and high-performance solutions with strong data isolation and authentication
  • Automated complex tasks and improved decision-making by integrating AI workflows with n8n and AI APIs.
  • Used modern cloud services and CI/CD pipelines for seamless deployment, monitoring, and ongoing app improvements.
Node.jsReact.jsTypeScriptfastifyReact RouterJestAWSTerraform

Professional Development

Dec 2023 - Present

Masterschool · Remote

  • Completed an intensive Generative AI software engineering program at Masterschool, learning Python, APIs, JavaScript, Flask, and SQL for real-world applications.
  • Gained practical AI Engineering skills through hands-on, industry-focused projects.
  • Building a new life in Germany, balancing family, personal growth, and cultural integration.
  • Learning German to boost professional opportunities and connect with the local community.

Senior Application Support Engineer

Nov 2021 - Nov 2023

Sportserve · Hybrid

  • [Infrastructure & Application Monitoring and Support]
  • Supported critical Sportsbook and Casino apps, ensuring quick updates and issue fixes for users.
  • Monitored system health (apps, servers, networks), addressing alerts and performance issues promptly.
  • Managed monitoring tools, tracked KPIs, and worked with vendors on integrations and issue resolution.
  • [ITSM Processes & Service Management (Internal & Third-Party)]
  • Oversaw end-to-end incident management within defined SLAs — including issue reproduction, triage, troubleshooting, resolution, and post-incident reviews — for internal systems and external customer-facing applications (Sportsbook & Casino).
  • Handled problem management, service/change requests, and participated in release cycles. Contributed to the continuous improvement of the internal knowledge base.
  • [Software Development Lifecycle (SDLC) Support]
  • Performed deployments (frontend/backend), hotfixes, and related tasks in staging and production environments.
  • Worked closely with Network, Platform Engineering, and Development teams to resolve production issues, identify recurring problems, and support ongoing infrastructure needs.
PythonGitDockerTechnical SupportAppDynamicsGrafanaElastic Stack (ELK)PRTGIcingaJiraConfluenceOpsgenieCatchpointJenkinsNexus

Site Reliability Engineer

Sep 2019 - Nov 2021

Bayview Technologies, Inc · On-Site

  • Reduced incident recovery time by 40% through automated monitoring and alerting.
  • Maintained 24/7 sportsbook systems, achieving 99.95% SLA compliance.
  • Ensured 99.99%+ uptime and high QoS for global sportsbook platforms.
  • Improved incident response time by 30% by tracking key SLOs and SLIs.
  • Partnered with sports trading teams to enhance collaboration and reduce silos.
  • Developed self-healing scripts, cutting manual incident work by 50%.
  • Led root cause analyses and post-incident reviews to prevent recurrence.
  • Worked with DevOps and IT teams to ensure smooth releases and production readiness.
  • Followed strict change management, achieving 0% critical outages during deployments.
  • Supported 24/7 operations and participated in on-call rotations.
  • Applied SRE principles to strengthen reliability and operational excellence.
  • Used tools like ELK Stack, Grafana, AppDynamics, and synthetic monitoring to improve performance.
  • Automated deployments with Ansible, Jenkins, and Git, reducing release time by 60%.
  • Used Linux, Bash, Python, and SQL for daily operations and troubleshooting.
  • Communicated effectively with technical and business stakeholders under pressure.
PythonGrafanaJenkinsPRTGShell ScriptingAnsibleAppDynamicsIcinga

Product Operations Specialist (Sportsbook)

Sep 2017 - Sep 2019

Bayview Technologies, Inc · On-Site

  • Managed daily triage and escalation of production bugs, cutting average resolution time by 25%.
  • Implemented log-based monitoring using Kibana and AppDynamics, improving detection of production issues.
  • Implemented monitoring via Catchpoint scripting, enhancing real-time visibility into user experience and application health.
  • Designed and executed deployment strategies including PRTG Remote Probe and Web Server Sensors to monitor 3rd party APIs and payment gateways—improving system reliability by 40%
KibanaPRTGAppDynamicsCatchpoint

Java Developer / OpenESB Developer

May 2015 - Sep 2017

Bayview Technologies, Inc · On-Site

  • Built and maintained middleware services handling integration for 5+ internal systems.
  • Developed and executed load tests with JMeter, supporting scalability testing for 3 critical services.
OpenESBJava CoreJMeterJava

JEE Developer / Analyst

Mar 2012 - Jan 2015

Salmat · On-Site

  • Worked on 20+ Java-based features on schedule using Agile/Scrum, while streamlining issue triage workflows to reduce critical ticket backlog by 100%.
J2EE Application Development(CI/CD)JiraConfluenceBitbucketBamboo

Java Web Developer

Mar 2012 - Jan 2015

Intevalue Services Inc. · On-Site

  • Developed and maintained features for online gaming platforms used by 1,000+ daily users.
  • Improved transactional reliability by 20% by optimizing backend integration for payments and promotions.
SpringStrust2JavaPL/SQL

Junior Software Engineer

Dec 2008 - Aug 2010

AC Corporation · On-Site

  • Participated in the rollout of an e-tax system for the Bureau of Internal Revenue, supporting 10,000+ end users.
  • Resolved 80% of client support issues independently, including payment and printing system bugs.
Agile Application DevelopmentJAX-WSJava CoreWeb ServicesHibernate

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