Software Engineer Expert

Polska

18000 - 22000 PLN

Poziom
Senior
Umowa
Umowa o prac臋
Wielko艣膰 firmy
100 - 249
Pozosta艂o
Zako艅czono
Stack technologiczny
Java:
Senior
springboot:
Regular
AWS:
Junior
big-data:
Junior
Miasta
Krak贸w
Opis
About the project

Voluum DSP - high-performance, low-latency bidding platform.
The platform allows advertisers to buy Internet ad space using real-time auctions from a selection of ad exchanges. VoluumDSP can process over 150,000 queries per second at peak times, while average latency is under 3 milliseconds. The platform consists of dozens of various microservices deployed on 100+ AWS EC2 instances, primarily in 2 regions.

Key Responsibilities
  • Build and operate high performance software for buying ad impressions in real-time
  • Take active part in designing architecture of the system (there are no architects, you design it with the team)
  • Take ownership of the whole process of creating a new functionality, including: requirements analysis, architecture design, implementation, tests, deployment and monitoring
  • Work with smart people who care about their craft and quality
  • Resolve real problems of mainstream marketing professionals
  • Collaborate with business and other stakeholders at Codewise to deliver software that solves right problems
  • Periodically provide support for production services (PagerDuty)
Requirements
  • Experience in design, deployment and maintenance of software in Java
  • Advanced skills in Java programming (5+ years of experience)
  • Experience with testing (unit, integration, end-to-end, continuous delivery)
  • Ability to write clean, maintainable code, applying best practices and patterns
  • Good understanding of networks and protocols, including IP, HTTP, modern API design and their Java interface
  • Good understanding of architecture of distributed systems, including concepts of big data and working with eventual consistency
  • Fluent command of developer workflow - Git, CI, CD, Maven, Docker, Java IDE
  • Good problem solving skills with data driven mindset
  • Product oriented mindset
  • Strong team player with a positive attitude
  • Very good written and spoken English
Nice to have
  • Practical experience with performance tuning, including understanding of GC, Java memory model, low latency programming
  • Understanding of infrastructure and operational aspects (monitoring, logging, load balancing, scaling, zero downtime deployment, troubleshooting, etc.)
  • Experience with AWS
Wy艣lij CV
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