Senior/Principal Software Engineer (Perl) - OP02075

Reposted 7 Days Ago
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Hiring Remotely in Zagreb, HRV
In-Office or Remote
Senior level
Information Technology • Software
The Role
Lead the onsite payment team, mentor members, oversee payment platform delivery, manage integrations and pipelines, ensure compliance, and bridge legacy systems with enterprise standards.
Summary Generated by Built In

🟢 At Dev.Pro, a US-based company, we're looking for contractors to work on projects that impact millions of people around the world. But we know it’s the people behind the tech who make it all happen, and we're looking for individuals who share our values and passion for making a difference.
We truly value what makes each person unique and are building a workplace that’s inclusive, friendly, and supportive.

We invite a high-caliber Technical Team Lead who thrives on technical challenges and knows how to communicate effectively with CTO-level stakeholders to join our team. This hybrid role is split 50/50 between onsite and remote work. As the onsite anchor for a critical payment harmonization platform, you’ll oversee and mentor a high-performing team bridging complex C/Perl legacy systems with modern enterprise standards. Your focus will be on collaborating with technical leadership, ensuring architectural integrity, and delivering high-throughput, reliable payment solutions fully aligned with client needs.

🟩 What's in it for you:

  • Work on a mission-critical, real-time payment platform powering high-volume, multi-processor transactions
  • Modernize a legacy C/Perl system into a robust, enterprise-standard architecture
  • Collaborate with senior leadership to drive decisions that shape the platform and maximize client success

✅ Is that you?

  • 6+ years working 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
  • Experience with authorization and settlement pipelines
  • Knowledge of card networks (Visa, Mastercard, Amex) and ISO 8583/SPDH messaging
  • Understanding of PCI DSS compliance
  • Experience with PostgreSQL and Unix-based systems, and familiarity with networking fundamentals
  • Effective collaboration with senior engineers, architects, and technical leads in Agile teams
  • Strong communication skills and ability to turn technical challenges into clear business plans
  • Proactive, solution-oriented, and adaptable mindset, with openness to new ideas and constructive feedback
  • Upper-Intermediate English level and native-level Croatian proficiency

Desirable:

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

🧩Key responsibilities and your contribution

In this role, you’ll be the face of the Dev.Pro partnership, identifying project development areas and ensuring the team delivers tangible, high-efficiency results that exceed client expectations.


  • Lead the onsite payment team in its daily Agile execution
  • Coordinate with senior engineers, architects, and CTO-level stakeholders to align team output with strategic goals
  • Oversee payment platform delivery, including orchestration and gateway integrations
  • Manage tokenization, smart routing, retries, and multi-processor operations
  • Manage authorization/settlement pipelines
  • Bridge complex legacy systems (C/Perl) with modern enterprise standards
  • Troubleshoot issues, perform hands-on coding, and optimize system performance as needed
  • Translate technical challenges into business roadmaps, communicating risks to senior leadership
  • Ensure compliance with PCI DSS, card networks, and ISO 8583/SPDH standards
  • Mentor team members, provide constructive feedback, and foster a proactive learning culture

🎾 What's working at Dev.Pro like?

✔️ 30 paid days off per year — take them whenever you want for vacation, holidays, or personal time
✔️ 5 paid sick days, up to 60 days of medical leave, and 6 paid days off per year for major family events like weddings, funerals, or the birth of a child
✔️ Partially covered health insurance after the probation, plus a wellness bonus for gym memberships, sports nutrition, and similar needs after 6 months
✔️ Grow your skills with English lessons, online training, conferences, and the option to explore new career paths

Our next steps:

✅ Submit a CV in English — ✅ Intro call with a Recruiter — ✅ Internal interview — ✅ Client interview — ✅ Offer

Interested? Find out more:

📋How we work

💻 LinkedIn Page

📈 Our website

💻IG Page

Skills Required

  • 6+ years working with distributed payment systems
  • 2+ years in the payments domain
  • Experience with payment orchestration and gateway integrations
  • Knowledge of PCI DSS compliance
  • Upper-Intermediate English level and native-level Croatian proficiency
Am I A Good Fit?
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The Company
Charlotte, North Carolina
848 Employees
Year Founded: 2011

What We Do

Dev.Pro helps innovative technology companies scale their business by leveraging our software engineering expertise to support them every step of the way. It was founded by entrepreneurs and technologists, with the goal of helping technology-driven companies to develop their innovative software products and grow their businesses. We started as an American company in 2011 and now have offices in different locations. Part of our development centers are located in Ukraine and we support Ukrainian specialists by providing them with career opportunities around the world. Also over the past few years, we have been hiring specialists from very different countries and continue to do so, expanding and globalizing the company. True to our roots, we remain creative and nimble, tailoring our engagement with clients to meet their specific needs. Some come to us for our engineering expertise, some for the rapid delivery, and some for cost efficiency. But what truly sets us apart is the alliance we forge with our clients over time, aligning our success with theirs.

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