Senior POS Engineer
AI summary
3Line Card Management Limited is hiring a Senior POS Engineer for a full-time hybrid role based in Lagos, Nigeria. The position involves designing, developing, and maintaining POS solutions within the company's payment infrastructure, integrating terminals with payment gateways, troubleshooting issues, and ensuring compliance with industry standards. Candidates need a Bachelor's degree in Computer Science, Engineering, IT, or related field, plus at least 5 years of experience in the payments or fintech industry, ideally within the Nigerian or African market.
- Full-time hybrid role based in Lagos with some work-from-home flexibility
- Requires 5+ years of payments or fintech industry experience
- Focus on POS terminal development, integration, and maintenance
- Must know payment protocols like ISO 8583, EMV, and PCI-DSS
- Involves mentoring junior engineers and contributing to architecture decisions
AI job guide
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AI salary guide
Not enough public dataNot enough public salary data is available for this exact role. Before applying, prepare to ask about gross pay, benefits, contract length, probation period, transport and any allowances.
Can you qualify for this role?
- Required5+ years of relevant experienceThe job post includes a minimum experience signal.
- RequiredEducation or certification mentioned in the postThe captured text mentions education, a diploma, certificate, or licence.
- PreferredPractical evidence in security, seguranca, EngineeringThe tags and summary point to skills connected with this role.
- RequiredAvailability to work in Not specifiedThe vacancy is associated with this location.
- UnclearComfort with the Full Time contract termsConfirm hours, duration, probation and benefits at the original source.
Documents to prepare
- Likely requiredUpdated CV
- Role specificCover letter or short employer message
- OptionalProfessional references
- Role specificAcademic or professional certificates
- VerifyID or passport only after verifying the employer
Application tips for this job
- Place your strongest Senior POS Engineer evidence in the first half of your CV.
- In your cover letter or employer message, connect your experience to 3Line Card Management Limited and the role in Not specified.
- Add concrete examples related to security, seguranca, Engineering, ideally with measurable outcomes or clear responsibilities.
- Follow the instructions from MyJobMag Nigeria; avoid sending documents to unofficial contacts or copied links.
- Confirm the deadline, interview location and employer contact before sharing personal documents.
- Prepare a polite question about pay, benefits and contract terms for later interview stages.
Source and safety check
- MyJobMag Nigeria
- Original source link available
- Application method is clear
- Deadline not specified
- No major risk signal was detected in the captured text.
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Interview preparation
- What experience makes you a strong fit for this Senior POS Engineer role in security, seguranca?
- How have you handled responsibilities similar to those in this job post?
- Are you available to work in Not specified under the listed contract or schedule?
- Prepare examples with clear responsibilities, tools used and measurable outcomes.
- Review the source and research 3Line Card Management Limited before the interview.
Ask what the first priorities will be in the role and how success will be measured.
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Original source description
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3Line commenced business in 2007 with the primary aim of using technology to make financial services easily available to the financially excluded. We believe this is a basic human right, and 3Line is our platform for achieving this purpose. We focus on four key areas: Electronic Banking, Issuer Processing, Agency Banking and Identity Management, all driven b...
Senior POS Engineer
Job Type: Full Time
Qualifications
- BA/BSc/HND
- Strong
Experience
5 years
Location: Lagos
Job Field: Engineering / Technical
Role Description
The Senior POS Engineer is a full-time role responsible for designing, developing, and maintaining point-of-sale (POS) solutions within 3Line’s payment infrastructure. This hybrid position is based in Lagos State, Nigeria, with flexibility for some work-from-home arrangements. Day-to-day activities include integrating POS terminals with payment gateways, troubleshooting technical issues, optimizing performance, and ensuring compliance with industry standards and security protocols. The role involves collaborating with product, operations, and support teams to deliver stable, scalable POS services, as well as mentoring junior engineers and contributing to architectural decisions. The Senior POS Engineer will also participate in testing, documentation, and continuous improvement initiatives to enhance transaction reliability and user experience.
in POS terminal development, integration, and maintenance, including firmware updates and device configuration.
Proficiency in programming languages commonly used for payment and POS systems (such as C/C++, Java, or similar), and familiarity with embedded systems concepts.
Knowledge of payment processing protocols and standards (e.g., ISO 8583, EMV, PCI-DSS) and secure transaction handling.
working with payment gateways, card schemes, and switching platforms within a financial technology environment.
Ability to analyze logs, diagnose complex technical issues, and implement effective fixes and performance optimizations.
Strong understanding of networking fundamentals relevant to POS connectivity, including TCP/IP, SSL/TLS, and VPNs.
Excellent documentation, communication, and collaboration skills, with the ability to work effectively in cross-functional teams.
Proven
mentoring or leading engineering team members and contributing to technical design and roadmap discussions.
Bachelor’s degree in Computer Science, Engineering, Information Technology, or related field, or equivalent practical experience.
Minimum of 5 years work
in the payments or fintech industry, especially within the Nigerian or African market.
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Method of Application
- Interested and qualified candidate should send an updated CV to
- humanresources@3lineng.com
- , using the job title as the email subject.
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