Backend Engineer Lead (Java) [Bayarind]

Sprint Asia

Rekruter aktif 12j lalu

Penuh waktu
On-site • Tangerang Selatan

Min. 5+ years of experience

Negotiable

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Rekruter aktif 12j lalu

Deskripsi Pekerjaan

Lead the architecture, development, and deployment of offline PG modules handling terminal-based EMV transactions, ISO8583 message flows, and SWIFT messaging protocols.
Design and maintain host communication modules, terminal handlers, and secure transaction routing logic between POS devices and acquirer/issuer hosts.
Collaborate with terminal vendors, banking partners, and EMV kernel providers to ensure compatibility, certification, and compliance with international payment standards.
Mentor and guide the engineering team, review designs and implementations, and ensure code quality, security, and performance across PG offline systems.
Drive technical decisions, including key management, risk controls, and fallback mechanisms to support robust offline and near-offline payment flow.

Kualifikasi

Bachelor’s degree in Computer Science, Electrical Engineering, or a related technical field.
At least 6 years of experience in payment systems, with a minimum of 2 years in a senior or leadership role.
Strong hands-on expertise in EMV Level 2 & 3, ISO8583 messaging, and the jPOS framework. Experience with SWIFT MT messages is a plus.
Deep understanding of terminal key management (TMK, TPK, ZPK), encryption standards (DUKPT, 3DES, RSA), and offline risk management strategies.
Familiarity with the POS terminal ecosystem (EFT-POS, SoftPOS), Terminal Management Systems (TMS), and the full transaction lifecycle.
Proficient in real-time transaction switching, message packagers/mappers, and cryptographic validation (ARQC, TC, scripts).
Knowledge of smart card APDU communication, issuer/CA certificates, and EMV CAP/DDA.
Skilled in handling secure messaging (MAC, PIN block, ARQC/ARPC) and key injection flows.
Strong development background in Java (especially for jPOS); familiarity with Go or C++ is a plus.
Experience with HSM integration (Thales, Utimaco), secure sockets/mutual TLS, and key derivation standards.
Demonstrated ability to lead, mentor, and review engineering teams, ensuring code quality, performance, and compliance.
Effective communicator, capable of working with banks, card networks, vendors, and certification bodies.
Highly detail-oriented, with strong analytical and problem-solving skills, especially in debugging terminal–host issues.
Comfortable working in regulated, mission-critical environments under pressure.
Previous experience in Payment Gateway, Acquiring/Issuing banks, or Switching providers.
Background in EMV certification, terminal integration, or interbank settlement systems.
Exposure to offline/semi-offline payment flows (transit, retail, rural banking) is highly valued.
Familiarity with financial messaging standards (SWIFT MT, ISO20022, or host-specific protocols) is an advantage.

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Tentang Sprint Asia

Selengkapnya

We provide innovative solutions through digital infrastructure & technology services to enhance your business.

Industri

IT Services And IT Consulting

Lokasi

Jakarta, Indonesia

Ukuran Perusahaan

50–100 employees