HubMub
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Data Edge

.NET developer

Data Edge
Lithuania · Part-time · Mid-Senior
Location: Lithuania

Start date: ASAP

Duration: 12 months

Seniority: Senior

Role Overview:

We are seeking an experienced .NET Developer to join a fintech engineering team. The position requires deep knowledge of banking standards (ISO 20022), real-time payment solutions, and strong .NET expertise. Knowledge of UK payment regulations is highly preferred.

Key Requirements:

  • 6+ years of experience with C# and .NET (Core/6/7/8)
  • Advanced knowledge of ISO 20022 and SEPA payment formats
  • Hands-on experience with SWIFT, FPS, BACS, CHAPS, TARGET2
  • Familiarity with APIs for PayPal and Banking Circle
  • Proficient with REST, SOAP, SFTP, XML/JSON
  • Secure coding expertise, SQL Server, message queues, Docker
  • Excellent communication skills in English
  • Experience with UK payment regulations is highly preferred
  • Experience with Open Banking is a must


Nice to Have:

  • Background in core banking systems or digital wallets
  • Experience with cut-off times, clearing, and settlement processes


Responsibilities:

  • Develop and maintain backend payment processing services using .NET Core (C#)
  • Process ISO 20022 (pain.001, camt.053) and SWIFT MT/MX payments
  • Integrate with various bank APIs and file-based communication channels
  • Oversee the full lifecycle of paymentsfrom initiation to reconciliation
  • Ensure compliance, robust error handling, and auditing
  • Collaborate with cross-functional teams to deliver secure, scalable platforms
  • Maintain technical documentation and implement new payment integrations
  • Participate in code reviews, testing, and CI/CD pipelines

Key Skills

Ranked by relevance

swift message queues sql server server cicd sql c
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Posted
Nov 03, 2025
Type
Part-time
Level
Mid-Senior
Location
Vilnius
Company
Data Edge

Industries

IT System Data Services

Categories

Engineering Information Technology

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