Senior Scala Engineer (B2B)

155 - 170 PLN/ godz./ godz.B2BB2B (netto)

SeniorHybryda·KatowiceFull-time·B2B

#461426·Dodano 7 dni temu·1

Źródło: justjoin.it

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Tech Stack / Keywords

AWSDatabasesBackend

Podsumowanie oferty

As a Senior Scala Engineer, you will build and maintain e-commerce card payment acceptance and processing for Nexi’s payment service providers and large merchants. You will work in the Cards team on the payment gateway and network tokenization service using Scala, Play Framework and AWS.

Wymagania

Successfully completed a university degree in computer science or a comparable field of study.
At least 5 years of hands-on backend development experience, including production-critical systems.
Willingness to write production code in Scala; experience with Scala is a strong plus, but your language background does not matter.
Experience building and maintaining cloud infrastructure on AWS, not only using it.
Experience with relational and/or NoSQL databases, such as PostgreSQL and DynamoDB.
End-to-end responsibility for topics from analysis through production and operations, not just the code you write.
Ability to take ownership, find answers independently and move topics forward without detailed instructions.
Strong communication skills, including keeping the team informed, raising questions early and flagging risks.
Fluency in Polish and very good communication in English.

Nice to have:

Commercial experience with Scala and Play Framework, or another functional language.
Frontend experience; a full-stack profile is a good fit for the team.
Experience with TypeScript or Python and AWS Lambda.
Background in payments or card processing, including acquiring, ISO 8583, card schemes or network tokenization.
Knowledge of PCI DSS requirements.

Obowiązki

Responsibilities:

Develop and maintain the main payment gateway, written in Scala with Play Framework and running on AWS.
Build the standalone Network Tokenization service, managing Visa, Mastercard and other scheme integrations and the token lifecycle.
Integrate with acquiring systems over ISO 8583 and with Visa and Mastercard APIs for network tokenization.
Build and maintain the team's AWS infrastructure with the rest of the team.
Develop supporting components as AWS Lambda functions in TypeScript and Python, and maintain Python-based test tooling.
Work with PostgreSQL and DynamoDB.
Apply security practices required by PCI DSS across development, deployment and operations.
Collaborate with other teams on merchant management and notifications in an English-speaking team across Sweden, Switzerland, Germany and Finland.
Take end-to-end ownership of topics and drive them forward proactively in close contact with the team.
Share knowledge and support less experienced engineers.

Inne informacje

Availability to work in a hybrid mode; remote workers are invited to the office once a month.
Joining the team's on-call rotation after onboarding is optional.

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