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Senior/Principal Software Engineer (Perl) - OP02075

Dev.ProRemote — Zagreb, Grad Zagreb, Croatia
Hybrid Full-time

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Experience Level

Senior

Qualifications

6+ years of experience with distributed payment systems and high-throughput processing.2+ years in the payments domain with a solid understanding of the payment lifecycle (authorization, capture, settlement). Experience with payment orchestration, gateway integrations, tokenization, smart routing, retries, and multi-processor environments. Knowledge of authorization and settlement pipelines. Familiarity with card networks (Visa, Mastercard, Amex) and ISO 8583/SPDH messaging. Understanding of PCI DSS compliance. Proficiency in PostgreSQL and Unix-based systems. Ability to work collaboratively with senior engineers, architects, and technical leads in Agile teams. Strong communication skills. Proactive and adaptable mindset. Upper-Intermediate English and native-level Croatian.

About the job

At Dev. Pro, we are dedicated to creating meaningful projects that make a difference in the lives of millions globally. We believe in the unique contributions of every individual and are committed to fostering a diverse, friendly, and supportive work environment.

We are seeking an exceptional Technical Team Lead who excels in navigating complex technical challenges and possesses the ability to communicate effectively with CTO-level stakeholders. This hybrid position allows for a balanced mix of onsite and remote work. As the key onsite leader for a vital payment harmonization platform, you will guide and mentor a high-performing team, connecting intricate C/Perl legacy systems with modern enterprise standards. Your primary focus will be on collaborating with technical leadership, maintaining architectural integrity, and delivering high-throughput, reliable payment solutions tailored to client requirements.

What’s in it for you:

  • Engage with a mission-critical, real-time payment platform that facilitates high-volume, multi-processor transactions
  • Transform a legacy C/Perl system into a robust, enterprise-standard architecture
  • Collaborate with senior leadership to influence decisions that shape the platform and enhance client success

Are you the right fit?

  • 6+ years of experience with distributed payment systems and high-throughput processing
  • 2+ years in the payments domain with a comprehensive understanding of the payment lifecycle (authorization, capture, settlement)
  • Proficient in payment orchestration, gateway integrations, tokenization, smart routing, retries, and multi-processor environments
  • Familiarity with authorization and settlement pipelines
  • Knowledgeable in card networks (Visa, Mastercard, Amex) and ISO 8583/SPDH messaging
  • Understanding of PCI DSS compliance
  • Proficient in PostgreSQL and Unix-based systems, with knowledge of networking fundamentals
  • Demonstrated ability to collaborate with senior engineers, architects, and technical leads in Agile teams
  • Excellent communication skills, capable of translating technical challenges into clear business strategies
  • A proactive, solution-oriented mindset, open to new ideas and constructive feedback
  • Upper-Intermediate English proficiency and native-level Croatian

Desirable Skills:

  • Experience with low-level C cores and advanced Perl data-transformation layers
  • Familiarity with C and Perl or a willingness to learn
  • Experience with Google Cloud Platform (GCP)

Key Responsibilities:

In this role, you will represent the Dev. Pro partnership, identify areas for project development, and ensure the team delivers measurable, high-efficiency results that exceed client expectations.

About Dev.Pro

Dev. Pro is committed to developing innovative projects that positively impact millions of users worldwide. We embrace diversity and strive to create an inclusive work environment where every team member's unique contributions are valued.

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