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Payment Software Developer
Payment Software DeveloperOTT Financial Group • Toronto, Ontario, Canada
Payment Software Developer

Payment Software Developer

OTT Financial Group • Toronto, Ontario, Canada
30+ days ago
Job type
  • Full-time
Job description

OTT Pay Inc. is an established fully funded fintech company focused on delivering streamlined financial payment solutions. With a strategic focus on both acquiring and issuing business we are developing a mobile-first platform that offers a wide range of financial services loyalty programs and innovative products including credit cards payment solutions e-commerce gift cards and more. We are a results-driven forward-thinking organization that values goal orientation and continuous improvement.

At OTT Pay you will find abundant opportunities for professional growth working alongside a talented and diverse team from various industries. Our collaborative and innovative environment fosters learning and development empowering you to excel and make a tangible impact. This is a unique chance to join a company dedicated to reshaping financial solutions for the future.

We are seeking a highly experienced and domain-specific EMV Pinpad Developer to lead the design development and certification of our payment acceptance applications. The ideal candidate will have deep hands-on programming experience across the industrys leading terminal platforms particularly Ingenico Verifone and PAX . This role involves high-level application development low-level EMV kernel integration and ensuring strict payment scheme compliance.

Whats in it for you :

  • Competitive s alary depending on experience plus performance bonus
  • Extended Health Dental and Vision Benefits
  • Life and Disability Insurance
  • Generous Vacation Leave
  • Centrally located modern and spacious offices close to Eglinton and Leslie
  • Free use of onsite Gym and Sports Facilities and regular Company Social Events
  • Learning and Professional Development Support
  • Tremendous opportunities for Growth and Development

How you will contribute :

  • Pinpad Application Development : Design implement and maintain custom payment applications for various point-of-sale (POS) terminal families (e.g. Verifone Engage / Android Ingenico Telium / Tetra / AXIUM PAX Android / Linux).
  • SDK & API Integration : Utilize proprietary Software Development Kits (SDKs) and APIs (e.g. Verifone XPI / PSDK Ingenico Libraries PAX Android SDK) to integrate payment functionality peripherals (printers scanners) and secure key management.
  • EMV Kernel Development : Design develop and maintain EMV Level 2 and Level 3 software kernels for various payment terminals (e.g. POS unattended kiosks mobile readers).
  • Compliance and Certification : Lead and execute EMV certification (Level 1 2 and 3) and compliance testing with various payment networks (e.g. Visa Mastercard Amex Discover).
  • Protocol Implementation : Implement and test contact and contactless (NFC) transaction protocols including card selection data exchange cryptographic operations and cardholder verification methods (CVMs).
  • Security : Ensure secure coding practices and implement cryptographic processes (DUKPT TDES RSA) for PIN entry key injection and transaction data protection adhering to PCI PTS / DSS standards
  • Troubleshooting : Diagnose and resolve complex technical issues related to EMV transaction failures communication errors and certification roadblocks.
  • Documentation : Create and maintain detailed technical specifications design documents test plans and certification artifacts.
  • Cross-Functional Collaboration : Work closely with hardware engineers product managers quality assurance and external payment processors / vendors.
  • What you bring to the table :

    Technical Expertise

  • 5 years of experience in software development with a minimum of 3 years focused on EMV payment systems.
  • In-depth hands-on development experience with the following payment terminal platforms and their respective SDKs :
  • Ingenico (Telium / Tetra / AXIUM) : Experience with their C-based SDKs or newer Android / HTML5 platforms.
  • Verifone ( Verix / Engage / Android) : Experience with their XPI PSDK or other relevant APIs.
  • PAX (Android / Linux) : Experience developing on their A-series or S-series terminals using Java / Kotlin (Android) or C / C
  • Deep knowledge of EMV Specifications (Book 1-4) and associated payment schemes technical requirements.
  • Strong understanding of cryptography principles used in payment systems (e.g. DUKPT Triple DES RSA key injection).
  • Experience with Contactless / NFC payment technology and protocols.
  • Familiarity with industry standards such as PCI DSS and PCI PTS .
  • Education & Soft Skills

  • Bachelors or Masters degree in Computer Science Electrical Engineering or a related technical field.
  • Excellent analytical and problem-solving skills with meticulous attention to detail.
  • Strong verbal and written communication skills for interacting with technical teams and non-technical business stakeholders.
  • Office Location : 1123 Leslie Street North York

    Schedule : Mon Fri 9 : 00am to 5 : 30pm

    OTT Financial Group is committed to fostering an inclusive and accessible environment where all employees feel valued and respected and where every employee can realize their potential. We are committed to providing reasonable accommodation if and will work with you to meet your needs. We appreciate all applicants for their interest; however only those candidates selected for an interview will be contacted.

    Required Experience :

    Senior IC

    Key Skills

    Account Payable,C++,Community Support,Garment,Import & Export,Java

    Employment Type : Full-Time

    Experience : years

    Vacancy : 1

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