Andrey S

Development and Operations Engineer

Fiverr • Freiberufler

Jan 2025 - Apr 2026 • 1 yr 3 mos

For Daiger company (https://www.linkedin.com/company/daiger/), without Fiverr. Developed with Golang a new functionality: ad-hoc access to Spark calculations UI over dynamic Kubernetes Ingress. Giving data scientists direct access for a diagnostic and debug running jobs they are working on. My work was an implementation of new Kubernetes Ingress Operator with event tracking. The rest of the experience is typical administration of Kubernetes applications with an Infrastructure as Code approach.

Senior Systems Engineer

EPAM Systems • Vollzeit

May 2019 - Jan 2025 • 5 yrs 8 mos

As a Development and Operations engineer developed fault-tolerant distributed and sharded Redis service deployment, with ability to roll out 24x7 without service interruption; for internals of big bank. The achievement was an implementation using IaC, with adoption for an initially absent sharding functionality in Redis. In a key engineer role designed and delivered an end-to-end Infrastructure-as-Code ecosystem for EPAM's global Linux workstation lifecycle activity. The project was a flexibility and adoptability training with an OSS-based solution for resellers of third-party solutions as part of internal IT. It was created and as a whole, as certain techniques and approaches were previously absent, making the project a success. The rest of the experience is typical administration of Kubernetes applications with an Infrastructure as Code approach, along with Linux apps development and corresponding release engineering. Tools and Technologies 1: - Microservices in lightweight containers on Linux systems (aka Docker) - GitOps (infrastructure management via code in Git) - Kubernetes and K8s infrastructure and tools - Helm - Redis - Kafka - Rabbit - Elasticsearch stack - ELK - Vault - Prometheus - Ansible - Git - Golang - Python - Bash - Oracle database Tools and Technologies 2: - Linux, Debian, RHEL, LFS (Linux From Scratch), Deb/RPM - IaC - infrastructure as code - UNIX shell scripting - Infrastructure management systems - Infrastructure management tools - GitOps - DevOps - Python, unittest - Agile/Kanban Team 1: - DevOps: 3 DevOps + 2 Operations & Support - Architect x1 - DBAdmin x1 - QA x10+ - Developers x50+ - Analyst team x10+ Team 2: Single-person solution implementation from idea to software. Plus communication with approx. 1-6 people - satellite bonds of activity distributed across departments - operations, security, networking, infrastructure services.

Development and Operations Engineer

Fiverr • Vollzeit

Jan 2017 - Jan 2019 • 2 yrs

For Home Credit and Finance Bank (https://www.homecredit.net/), without Fiverr. Developed key elements in reducing feature delivery time from idea to end-users for new online shopping features. The created scalable, portable work environments allowed teams to release at their own cadence, which removed time wasted on waiting for each other. Personally designed, developed and was responsible for the implementation of: - A fully automated path of micro-service Docker images from build to highly loaded production across development and testing environments (CI/CD, IaC, GitOps). It was part of the industrialisation with migration of a Java monolith into high-load microservices in containers. - Automated deployment of web developer business infrastructure purely from VCS (Git) over OpenStack. Created a fully Git-defined deployment (IaC) of a marketplace software development platform as code (end-user authentication, development infrastructure et al.). Going the extra mile, conducted training sessions and workshops for system users and data engineers concerning development approaches and containerisation, leading to knowledge transfer - raising overall employee expertise, qualification, company integrity. Tools and Technologies: - Linux CentOS, Debian - Docker, containerisation - Scripting (Python, Ruby, Shell) - OpenStack API - Jenkins, GitLab CI - VCS (Git), artifact versioning (Artifactory) Team (people in contact): - DevOps: 4 - Operations: 1 - Network Engineers: 1 - Architect: 1 - Developers: approx. 10 persons in contact, floating number of developers while working on the whole project (total microservices quantity 100+, floating number of services in active development or containerisation).