Application Security Specialist at Checkout.com

London, England, United Kingdom

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Not SpecifiedCompensation

Junior (1 to 2 years)Experience Level

Full TimeJob Type

UnknownVisa

FintechIndustries

Requirements

1–3 years in application security, secure software development, or related IT/security role
Understand basic network technologies and protocols (HTTP, TCP/IP, DNS and the OSI model)
Understanding of common software vulnerabilities and their mitigations
Basic programming experience in a popular language (e.g., Python, JavaScript, Golang)
Understanding of CI/CD pipelines and DevSecOps principles
Basic understanding of AWS technologies and GitHub security features
Strong attention to detail in documentation and assessments
Eager to learn and expand technical skills in application security
Effective communicator with both technical and non-technical audiences
Collaborative and pro-active problem solver

Responsibilities

Assist in integrating security controls into the SSDLC
Support the creation and maintenance of secure coding guidelines (e.g., OWASP Top 10, CERT Secure Coding Standards)
Run Static Application Security Testing (SAST) and Software Composition Analysis (SCA) scans
Conduct API security testing
Support CI/CD pipelines to keep secure and effective integration
Participate in threat modeling sessions
Document identified threats, assess risks and provide mitigation recommendations
Assist in code and system reviews to analyse security in company’s products
Triage and prioritise vulnerabilities from automated scans
Track, verify and ensure security flaws remediation
Assist to automate an AppSec pipelines
Collaborate with engineering teams to integrate security into product design and improve existing systems
Help deliver training and awareness on SSDLC best practices and secure coding
Contribute to security documentations

Skills

SSDLC

OWASP Top 10

CERT Secure Coding

SAST

SCA

API security testing

CI/CD

threat modeling

Checkout.com

High-performance payments platform for enterprises

About Checkout.com

Checkout.com provides a payments platform that helps businesses process payments, send payouts, and manage card programs. The platform is designed for large enterprises and growing businesses, allowing them to handle high volumes of transactions quickly and reliably. It integrates with clients' existing systems and offers a range of payment services, generating revenue through transaction fees and subscriptions. Unlike many competitors, Checkout.com focuses on providing a comprehensive, cloud-based solution that supports the financial operations of its clients across the globe. The goal of Checkout.com is to streamline payment processes and enhance the payment experience for both businesses and their customers.

London, United KingdomHeadquarters

2012Year Founded

$1,780.1MTotal Funding

SERIES_DCompany Stage

Fintech, Financial ServicesIndustries

1,001-5,000Employees

Benefits

Work-life balance - Flexible working and plenty of time off to unwind. We’ll even give you your birthday off.

Recognition - Peer recognition program and quarterly Hero Awards. We celebrate success together.

Career development - Tailored career development and learning pathways. We’ll help you unlock your potential.

Celebrating diversity - Internal community groups and cultural events. We celebrate our differences.

Staying healthy - A global wellness programme and private health insurance. We support your wellbeing.

Security for the future - Comprehensive plans for you and your loved ones. We’ll take care of you.

Giving back - Employee-led community outreach, payroll giving and a volunteering day. We care about your causes.

Risks

Checkout.com faces increased competition from emerging fintech startups.

Economic instability in the UK and EU may impact Checkout.com's revenue.

Regulatory scrutiny on data privacy could increase compliance costs.

Differentiation

Checkout.com offers payments in over 150 currencies with in-country acquiring.

The platform integrates fraud filters and reporting through a single API.

Checkout.com supports major international cards and local payment methods.

Upsides

Checkout.com is expanding in Japan, enhancing its global presence.

The partnership with Zing increases digital payment methods and product growth.

Checkout.com launched Octopus for online payments, a first for global PSPs.

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