Job Description

Greetings from ALIQAN Technologies!!
Hiring System Architect TVM and AG in Transportation Domain
Exp: 10+ yrs
System Architect to lead the design, development, quality assurance and System Integration of Hardware and applications for Automatic Gates (AG) and Ticket Vending Machines (TVM) within an Automated Fare Collection System (AFCS) for railway networks.
This role demands a holistic understanding of the TVM and AG ecosystem, with responsibility for coordination across internal modules and external stakeholder systems.
Location: Remote
Job type: 6 months contract + extendable
Key Responsibilities:
1.System Architecture & Design
Take ownership of the E-2-E application design for AG and TVM based on Preliminary Design and Pre-final Design documents.
Expert in System Integration design patterns in the echo system of TVM and AG Must have
Defining the internal and external system interfaces PDUs - Must have
Expert in embedded systems, hardware and software protocols design and development like RS485, CAN BUS, NFC etc. of TVM and AG or related areas - Must have
Translate customer requirements into technical application architecture, incorporating passenger and maintenance functionalities.
Ensure compliance with RAMS (Reliability, Availability, Maintainability, and Safety) requirements and other customer-defined KPIs.
2.System & Interface Integration
Coordinate, design and Integrate Hardware and application interfaces with:
oAFC Back-End System
oAFC Station Server
oOther Front-End Devices (excluding AG/TVM)
oEMV Payment Application for TVM
[External Parties]
oEMV Payment Gateway (for AG validation)
oCentral Clearing House
oQR Code Payment Gateway
oFare Media Issuer System
3.Application Development & Testing
Design, Develop, Integrate and test AG/TVM applications with Hardware as per the finalized detailed design specifications.
Railway-specific functional safety and reliability expectations
Implement features for passenger interaction, maintenance staff interfaces, and diagnostic capabilities.
Conduct units, integration, and system testing ensuring all functional and non-functional requirements are met.
Preferred Qualifications and Experience:
Candidates with the following skills and experience will be strongly preferred:
Domain Expertise
Proven experience in the design and development of control systems for multi-device terminals like AG and TVM in Railway Domain.
Comprehensive understanding of AFCS architectures, especially the operation of AG/TVM.
In-depth knowledge of railway fare media and fare rules.
Hands-on experience designing applications for flap-door-based AG systems.
Familiarity with device communication protocols and peripheral hardware control (e.g., card readers, coin validators, printers, displays).
EMV & Payment System Skills
Experience integrating EMV card acceptance in public transport systems.
Exposure to TVM applications with both cash and EMV-based payment options.
Understanding of QR-based payment flows is a plus.
Technical Skillset:
Platforms: Embedded Linux/RTOS environments
Communication: TCP/IP, Serial, and secure APIs
Tools: UML, version control (Git), test automation frameworks
Standards: EMVCo, ISO 14443, PCI DSS (desirable)

• Design and development of control systems for multi-device terminals like AG and TVM in Railway Domain.:
• AFCS architectures, especially the operation of AG/TVM:
• EMV card acceptance in public transport systems:
• UML, version control (Git),test automation frameworks:
• Expert in embedded systems, hardware and software protocols design and development like RS485, CAN BUS, NFC etc. of TVM and AG or related areas :