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Ruby Developer

Belgrad
Charków
Dnipro
Erywań
Kijów
Kluż-Napoka
Kraków
Larnaka
Łódź
Lublin
Lwów
Odesa
Remote.Bulgaria
Remote.Georgia
Remote.Poland
Ryga
Sofia
Tbilisi
Warna
Warszawa
Wrocław

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Project overview

This project focuses on building and maintaining high-volume, complex API integrations with external partners in a domain where transactional integrity and money flows are critical.

Position overview

We are looking for a Backend Engineer with strong expertise in pure Ruby. In this role, you will design and maintain robust backend services and high-volume API integrations in a domain where transactional integrity and money flows are critical. You’ll collaborate closely with stakeholders and external partners to deliver secure, scalable solutions.

Technology stack

Ruby (pure Ruby, not Rails-centric)
Redis
Docker
AWS services (EC2, S3, RDS)
Infrastructure-as-Code tools

Responsibilities

Design and implement robust backend services using Ruby
Develop and maintain complex API integrations with external systems
Ensure transactional integrity and reliability in high-volume environments
Collaborate with stakeholders and external partners to clarify requirements
Contribute to infrastructure automation and deployment processes
Participate in technical design discussions and solution shaping

Requirements

Strong experience with Ruby (beyond Ruby on Rails)
Proven track record of delivering backend services in complex domains
Expertise in API design, integration, and third-party connectivity
Familiarity with transactional systems and reliability constraints
Solid understanding of DevOps practices and Infrastructure-as-Code
Hands-on experience with AWS services (EC2, S3, RDS)
Knowledge of Docker for containerization
Experience with Redis
Strong analytical skills for navigating intricate business rules
Clear and confident communication skills for stakeholder engagement

Nice to have

Thin, EventMachine, Sinatra
Exposure to Elasticsearch.
Experience in financial or transactional domains.

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Dni wolne

Zgodne z lokalnym prawem

Dbamy o Twoje zdrowie

Zapewniamy szeroki wachlarz usług w ramach prywatnego ubezpieczenia medycznego

Płatne chorobowe

Zgodnie z lokalnym prawem

Wakacje i specjalne dni wolne

Zgodnie z oficjalnym kalendarzem, niezależnie od kalendarza klienta

Komfortowe warunki pracy

Elastyczny czas pracy oraz pomoc w wyposażeniu komfortowego miejsca pracy

Wewnętrzna platforma edukacyjna

Dostęp do profesjonalnych kursów i szkoleń

Wewnętrzne kursy języka angielskiego

Firmowe szkolenia z wysoko wykwalifikowanymi nauczycielami

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