Senior Software Engineer Job at Parking Network B.V.

Senior Software Engineer

Parking Network B.V.

Location:
United Kingdom

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

48000.00 - 60000.00 GBP / Year

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Job Description:

NMI is a leading provider of payment gateway solutions, specializing in card-present solutions and payment processing. Our innovative technologies empower businesses to securely accept payments and optimize transaction processes. With a focus on reliability, security, and innovation, we continuously push the boundaries of what's possible in the payments industry. We are seeking an experienced Software Engineer to join our Payments Processing group. This group focuses on developing and maintaining world-class payment solutions, including PIN pad and card reader integration and processor/acquirer connectivity.

Job Responsibility:

Design, develop, and maintain secure, scalable, high-quality SDKs and backend services used in payment device integrations
Lead architectural and design discussions across backend and mobile platforms
Write and review well-structured, maintainable, and efficient code
Collaborate closely with Product, QA, and Operations to ensure successful feature delivery
Mentor junior and mid-level engineers, sharing best practices and guiding technical growth
Participate in the evolution of CI/CD pipelines and deployment automation
Ensure that all code and systems adhere to strong security and compliance requirements (e.g., PCI, OWASP)
Investigate and resolve performance issues across SDKs and backend services
Contribute to cross-team initiatives, including SDK standardization and shared libraries
Join the team’s out-of-hours on-call rota to support critical product alerts

Requirements:

Bachelor's degree in Computer Science, Information Technology, or equivalent experience
Minimum of 5 years of experience in developing complex software applications in a commercial environment
Advanced proficiency in C# (preferred) or Java, with a strong understanding of object-oriented design principles and software architecture
Deep understanding of the Software Development Life Cycle (SDLC) and agile methodologies
Experience with relational databases (e.g., MySQL, SQL Server, Oracle) and optimizing database interactions
Strong knowledge of security best practices, including secure coding principles and compliance requirements (e.g., OWASP Top Ten, PCI, SOC2, HIPAA)
Proficient in networking concepts such as sockets, HTTPS, DNS, and SSL
Deep knowledge of design patterns and their practical application
Proven ability to work independently while also fostering teamwork and cross-team collaboration
Demonstrated ability to mentor junior engineers and contribute to the growth of the engineering team
Strong problem-solving skills, with the ability to anticipate potential issues and proactively address them
Excellent communication skills, capable of explaining complex technical concepts to both technical and non-technical stakeholders

What we offer:

Annual bonus scheme dependent on individual and company performance
25 days holiday each year (+ bank holidays + 1 day after each year of service with up to a max. of 30 days)
Workplace pension scheme
Private medical insurance (upon 30 days of employment)
A remote first culture
Great work-life balance with our Flexi-time policy
Family Friendly policies (Enhanced Maternity and Paternity Pay and Shared Parental Leave)
A chance to develop with an allocated company training budget
Bike2Work Scheme
Lifeworks, an Employee Assistance Programme which offers wellbeing, family and financial support services
A strong commitment to employee wellbeing including mental health first aiders
Employee referral scheme with generous financial reward
Bonusly colleague reward scheme

Additional Information:

Job Posted:
January 22, 2026

Expiration:
February 11, 2026

Employment Type:

Fulltime

Work Type:

Remote work

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