Senior Java Developer

We are looking for Senior Java Developer to work for a European company from the fintech industry specializing in algorithmic trading and cryptocurrencies. You will be working in a small but talented team to evolve and improve our product. 

Getting started: ASAP 

We offer: 

• attractive salary depending on skills and experience (B2B: PLN 30000 - 45000 net/month) 
• bonus paid for work efficiency and commitment 

Tools used: 

• Collaboration: Slack, Jira, Confluence 
• Source repositories: GitHub 
• Software development automation: Gradle, Maven 
• Databases: MySQL, MongoDB, Redis, InfluxDB
• Monitoring: Prometheus, Grafana 
• Containers: Docker, Kubernetes 
• Cloud services: AWS (mostly EKS, ECR, EC2, EFS, RDS and other) 

Organization of work: 

• Agile development: DevOps, CI/CD 
• Good practices: clean code, design patterns 
• Quality assurance: code review
• Tests: unit / integration / performance / manual 

Tasks / Responsibilities: 

• Designing large scale and high complexity systems to support our high throughput platform 
• Evaluate tools, frameworks, platforms and processes to determine the best fit for our platform 
• Adding new and improving existing functionalities in the trading system 
• Assure the highest quality of the platform's performance 

Sample tasks:  

• implementation of stable communication with the exchanges using REST and WebSocket protocols using a publicly available API 
• implementation of new algorithms, strategies, calculations and signals used in automated trading 

Requirements 

• higher education - IT or related 
• minimum 4 years of experience in programming in Java 
• knowledge of Java21, Kotlin, Reactor, Linux, Docker, REST, Spring Boot, JPA/Hibernate, MySQL, JIRA, Maven, GIT, JUnit/Mockito/AssertJ 
• experience with Kafka
• experience with creating and working with microservices 
• knowledge of algorithmics, data structures, multithreading, 
• knowledge of technologies related to the security of computer networks 
• experience in creating speed-oriented software with the use of advanced algorithmics and multithreading 
• knowledge of good principles, i.e., SOLID, DRY, KISS, YAGNI 
• experience in creating automatic unit and integration tests 
• good communication in English (at least B2 level) 
• good interpersonal and communication skills (ability to work in a team) 
• "nothing is impossible" approach to problem solving 

Good to have: 

• knowledge of Websocket, Multithreading, Kubernetes, AWS (EKS, EC2), CI/CD Pipeline or willing to learn them 
• knowledge in the field of finance, trading systems, cryptocurrencies, financial markets 
• ability to design, build and maintain applications in accordance with the Agile methodology 

Benefits: 

• private medical care 
• multisport card 
• co-financing of trainings and courses 
• flexible working hours 
• integration meetings 
• employee recommendation program  

Recruitment stages: 

1. Introduction

2. Interview (tech) 

3. Decision + final negotiations 

If you are interested, please send your CV in English.