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TypeScript & Scala Engineer

TypeScript & Scala Engineer
B2B140 - 185 PLN NET PER HOUR
LOCATION + Remote Poland: Kielce, Kraków, Wrocław
Apply now

VirtusLab is a leading European software consulting and engineering company. Our mission is to craft clean code and practical solutions with precision and purpose. We foster a dynamic culture rooted in strong engineering, a sense of ownership, and transparency, empowering professionals to make a substantial impact in the software industry.

About the role

This engagement is focused on architecting and delivering the developer experience and integration layer for high-stakes Distributed Ledger Technology (DLT) financial products. The project requires a specialized engineering partner capable of executing deliverables across a hybrid environment that combines expert-level TypeScript depth with the ability to competently interface with a Scala codebase.

TypeScript Advanced
Web APIs Advanced
Scala Regular
Tapir Regular
English Advanced
View available projects
Project
DualCore
Project Scope

We are working on the project together with a partner from the Smart Contracts industry. We are contributing to key components of the platform in the area of Distributed Ledger Technology (DLT). The work is divided between several teams responsible for individual components and the performance of the solution. The product is used by large international companies in the financial industry.

This engagement is focused on Software Developer Kit libraries and API definitions around a wallet application that is built on top of a distributed ledger. 

The scope of cooperation covers
  • SDK Evolution & Standardization: Extending and polishing the existing Wallet SDK libraries in close collaboration with product teams, while driving the design of new, multi-language client library standards with a reference implementation in TypeScript.
  • Ledger API & Code-Gen Optimization: Refining and smoothing the Ledger API’s OpenAPI definitions using Tapir (Scala) and maintaining Scala-based code-generation tools. This autonomous role requires deep expertise in API design to deliver clean, production-ready interfaces.
Tech Stack

TypeScript, Scala, Tapir, OpenAPI

Project Environment

The initiative is driven by a Switzerland-based distributed team, interfacing directly with a Product Manager responsible for the project’s business vision.

What we expect in general

  • Strong fluency in TypeScript and its advanced design patterns.
  • Proven experience in developing reusable libraries and SDKs.
  • Deep understanding of APIs (from both client and server-side perspectives).
  • Ability to competently contribute to the Scala codebase (specifically for tools and API generation).
  • Good command of English (B2/C1).

A few perks of being with us

Building tech community
Building tech community
Flexible hybrid work model
Flexible hybrid work model
Home office reimbursement
Home office reimbursement
Language lessons
Language lessons
MyBenefit points
MyBenefit points
Private healthcare
Private healthcare
Training Package
Training Package
Virtusity / in-house training
Virtusity / in-house training
Access to the above perks is optional and completely voluntary for B2B contractors

Apply now

TypeScript & Scala Engineer

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Current recruitment process: For the purpose of recruitment, I hereby give consent as per art. 6.1.a of the GDPR to processing of my personal data (other than that listed in art. 22 [1] § 1 Labour Code) by Virtus Lab Sp. z o. o. (as Co-Controller for a full list of joint controllers, see Privacy Policy) with its headquarters at Szlak 49 Street, 31-153 Cracow. At the same time I accept the Privacy Policy of the Data Controller. I acknowledge that my personal data will be kept for the duration of the recruitment process and as regards any potential claims, for the period of 36 months maximum, and that I have the right to access this data or have it rectified or deleted on demand. This consent can be withdrawn at any time, but this withdrawal does not make the previous processing illegal*.(Required)*

Current recruitment process: For the purpose of recruitment, I hereby give consent as per art. 6.1.a of the GDPR to processing of my personal data (other than that listed in art. 22 [1] § 1 Labour Code) by Virtus Lab Sp. z o. o. (as Co-Controller for a full list of joint controllers, see Privacy Policy) with its headquarters at Szlak 49 Street, 31-153 Cracow. At the same time I accept the Privacy Policy of the Data Controller. I acknowledge that my personal data will be kept for the duration of the recruitment process and as regards any potential claims, for the period of 36 months maximum, and that I have the right to access this data or have it rectified or deleted on demand. This consent can be withdrawn at any time, but this withdrawal does not make the previous processing illegal*.

(Required)
Future recruitment processes: I hereby give consent as per art. 6.1.a of the GDPR to the processing of my personal data by Virtus Lab Sp. z o. o. (as Co-Controller for a full list of joint controllers, see Privacy Policy) with its headquarters at Szlak 49 Street, 31-153 Cracow, in order to use this data in future recruitment processes. I hereby agree to possible storage of my personal data for this purpose in Virtus Lab’s database for a period of 36 months maximum. At the same time I accept the Privacy Policy of the Data Controller. I acknowledge that I have the right to access this data or have it rectified or deleted on demand. This consent can be withdrawn at any point, but this does not make the previous processing illegal*.

Future recruitment processes: I hereby give consent as per art. 6.1.a of the GDPR to the processing of my personal data by Virtus Lab Sp. z o. o. (as Co-Controller for a full list of joint controllers, see Privacy Policy) with its headquarters at Szlak 49 Street, 31-153 Cracow, in order to use this data in future recruitment processes. I hereby agree to possible storage of my personal data for this purpose in Virtus Lab’s database for a period of 36 months maximum. At the same time I accept the Privacy Policy of the Data Controller. I acknowledge that I have the right to access this data or have it rectified or deleted on demand. This consent can be withdrawn at any point, but this does not make the previous processing illegal*.

Aleksandra Grabowska
Coordinated by
Aleksandra Grabowska
IT Talent Acquisition Specialist
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TypeScript & Scala Engineer
B2B140 - 185 PLN NET PER HOUR
LOCATION + Remote Poland: Kielce, Kraków, Wrocław
Apply now
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