Roof Stacks

Senior Software Developer (Virtual POS)

Business Analyst (Card Payment Systems)

Senior Backend Developer (Card Payment Systems)

Compliance Officer & Internal Controller

Senior Organizational Development Specialist

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Senior Software Developer

Senior Frontend Developer

Head of Backend Development

Roof Stacks is seeking a Senior Software Developer for their Virtual POS projects. The role involves designing, developing, and maintaining secure, high-volume, 24/7 transactional systems, contributing to architecture and design with a focus on API Gateway layers and microservices. Responsibilities include analyzing business requirements, collaborating with cross-functional teams, writing clean and scalable code, participating in Agile methodologies, and providing technical insight throughout the development lifecycle. The developer will ensure customer expectations are met and reflected in project outcomes.

Senior UI/UX Designer

<div>As Roof Stacks,&nbsp;we have been carrying out innovative projects since 2015. We aim to become a global actor in Tourism Systems, Extended Reality(AR/VR), Blockchain Technologies, Game Development, and Financial Technology, which are our areas of expertise.</div><div><br></div><div>We focus on creating a difference with the technologies we develop and designing the future. We have strengthened our position in the global market by opening a new office in Austin, USA, which hosts world technology giants from all over the world.</div><div><br></div><div><span style="font-size: 18px;">💼 Responsibilities:</span></div><div><br></div><div>- Design, develop, and maintain secure, high-volume, 24/7 active transactional systems</div><div>- Contribute to architecture and design, with a focus on API Gateway layers and microservices</div><div>- Analyze complex business requirements and collaborate with cross-functional teams</div><div>- Write clean, scalable, testable code following modern development best practices</div><div>- Participate actively in Agile methodologies (Scrum, Kanban)</div><div>- Provide technical insight during design, implementation, and testing phases</div><div>- Define and execute test and research activities based on business needs</div><div>- Ensure customer expectations are fully understood and reflected in project outcomes</div><div><br></div><div><span style="font-size: 18px;">✅ Requirements:</span></div><div><br></div><div>- Experience in developing software for large-scale, enterprise-level projects</div><div>- Strong command of object-oriented programming (OOP) principles</div><div>- 7+ years of experience in software development</div><div>- Proficiency in .NET (C#) and/or Java is highly preferred</div><div>- Prior experience in Virtual POS (Sanal POS) projects is a strong plus</div><div>- Alternatively, experience in internet-facing, high-security, high-availability, transactional systems</div><div>- Solid understanding of Payment Systems</div><div>- Familiarity with Mastercard, Visa, BKM process simulators</div><div>- Knowledge of EMV, Switch, Provisioning, Dispute Management</div><div>- Understanding of Card Production and Smart Card Technologies</div><div>- Experience in Merchant Management and POS operations</div><div>- Strong analytical, communication, and problem-solving skills</div><div>- Ability to prioritize, plan, and deliver tasks effectively</div><div>- Demonstrated ability to understand and align with customer and business expectations</div>

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The Associate Analyst will provide intrusion/incident monitoring and detection utilizing customer provided data sources, audit and monitoring tools at both the government and enterprise level. The role requires flexibility and the ability to adapt to change quickly. The Associate Analyst will work closely with Threat Analysts to service customers through the Managed Detection and Response offering. Responsibilities include analyzing, documenting, and reporting on potential security incidents, maintaining an understanding of security threats and vulnerabilities, and providing triage on various security enforcement technologies. The role also involves performing knowledge transfers, documenting and triaging client issues, and recommending best practices to customers.

We work alongside clients to manage cyber risk and equip them with perspectives and programs to accelerate business progress. Our real-world experience, deep vertical expertise and diverse teams enable us to face any challenge with confidence. We put you at the center of our unmatched ecosystem of people, products, partners and programs to design and implement agile solutions. Our adaptive approach continually assesses risk in the context of cyber and broader objectives to secure today's business and fortify it for the future.

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The Associate Threat Analyst will work closely with our Threat Analyst to service customers through our Managed Detection and Response offering.<br><br><b>How you’ll make an impact</b></p><ul><li>Analyze, document and report on potential security incidents identified in customer environments.</li><li>Work with partners to maintain an understanding of security threats, vulnerabilities, and exploits that could impact systems, networks, and assets.</li><li>Provide triage on various security enforcement technologies including, but not limited to SIEM, anti-virus, content filtering/reporting, malware prevention, firewalls, intrusion detection systems, web application firewalls, messaging security platforms, vulnerability scanners etc.</li><li>Perform knowledge transfers, document, and triage client’s issues regarding mitigation of identified threats</li><li>Provide ongoing recommendations customers on best practices</li><li>Actively research current threats and attack vectors being exploited in the wild</li><li>Utilize defined SOP’s and KB’s</li><li>Performs other duties as assigned</li><li>Complies with all policies and standards</li></ul><p><br><b>What we’re looking for&nbsp;</b></p><ul><li>1-2 years of working with Incident Ticketing Systems (i.e. ServiceNow, Remedy, Remedy Force, Heat, etc.). required</li><li>Desire to gain full-time professional experience in the Information Security field</li><li>Excellent time management, reporting, communication skills, and ability to prioritize work</li><li>Ability to generate comprehensive written reports and recommendations</li><li>Write professional emails</li><li>Previous experience as a point of escalation in a technical environment</li><li>Customer interactions and working through various issues</li><li>Base knowledge of contemporary security <span style="overflow-wrap: break-word; display: inline; text-decoration: inherit; hyphens: auto;">architectures/devices</span> such as firewalls, routers, switches, load balancers, remote access technologies, anti-malware, SIEM, and AV</li><li>Ability to work customer’s environments to report on critical security events</li><li>Ability to troubleshoot technical problems and ask probing questions to find the root cause or a problem</li><li>Queue management</li><li>Data analysis using SIEM, Database tools such as Elastic, and Excel</li><li>Experience troubleshooting security, network, and or endpoints</li><li>IDS monitoring/analysis with tools such as Sourcefire and Snort</li><li>Experience with SIEM platforms preferred (QRadar, LogRhythm, Exabeam, Securonix, and Splunk)</li><li>Familiarity with web-based attacks and the OWASP Top 10 at a minimum</li><li>Attack vectors and exploitation</li><li>Mitigation, Active Directory</li><li>Direct (E.g. SQL Injection) versus indirect (E.g. cross-site scripting) attacks</li><li>Familiarity with SANS top 20 critical security controls</li><li>Understand the foundations of enterprise Windows security including:</li><li>Windows security architecture and terminology</li><li>Common system hardening best practices</li><li>Anti-Virus (AV) and Host Based Intrusion Prevention (HIPS)</li><li>Experience in monitoring at least one commercial AV solution such as (but not limited to) Carbon Black, CrowdStrike, McAfee/Intel, Symantec, Sophos or Trend Micro</li><li>Ability to identify common false positives and make suggestions on tuning</li><li>Malware, Denial of Service Attacks, Brute force attacks</li><li>Understanding of base malware propagation and attack vectors</li><li>Propagation of malware in enterprise environments</li><li>Experience with malware protection tools such as FireEye a plus.</li><li>Understanding of malware mitigation controls in an enterprise environment.</li><li>Network Based Attacks / System Based Attacks</li><li>Familiarity with vulnerability scoring systems such as CVSS</li><li>Basic understanding of vulnerability assessment tools such as vulnerability scanners and exploitation frameworks</li><li>Eligibility to obtain security clearance</li><li>Shift flexibility, including the ability to provide on call support when needed</li><li>Ability to work greater than 40 hours per week as needed</li><li>This role is Work from Office role</li></ul><p style="text-align:inherit"></p><p style="text-align:left"><b>What you can expect from Optiv</b></p><ul><li>A company committed to championing Diversity, Equality, and Inclusion through our <a href="http://www.optiv.com/company/about-us#dei-group" target="_blank" rel="noopener noreferrer">Employee Resource Groups</a>.</li><li>Work/life balance</li><li>Professional training resources</li><li>Creative problem-solving and the ability to tackle unique, complex projects</li><li>Volunteer Opportunities. “Optiv Chips In” encourages employees to volunteer and engage with their teams and communities.</li><li>The ability and technology necessary to productively work remotely/from home (where applicable)</li></ul><p></p><p><b>EEO Statement</b></p><p><span>Optiv is an equal opportunity employer. All qualified applicants for employment will be considered without regard to race, color, religion, sex, gender identity or expression, sexual orientation, pregnancy, age 40 and over, marital status, genetic information, national origin, status as an individual with a disability, military or veteran status, or any other basis protected by federal, state, or local law.</span></p><p></p><p><span>Optiv respects your privacy.&nbsp;</span>By providing your information through this page or applying for a job at Optiv, you acknowledge that Optiv will collect, use, and process your information, which may include personal information and sensitive personal information, in connection with Optiv’s selection and recruitment activities.&nbsp; For additional details on how Optiv uses and protects your personal information in the application process, click here to view our&nbsp;<a href="http://www.optiv.com/job-applicant-privacy-notice" target="_blank" rel="noopener noreferrer">Applicant Privacy Notice</a>. If you sign up to receive notifications of job postings, you may unsubscribe at any time.</p>

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This assessment gives us an idea of your C++ skills- Companies that evaluate this skillset in interviews: Rockstar Games, Ubisoft, Mayhem Studios, etc.- 10 Multiple Choice questions- Average time to complete: 7 to 10 minutes

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Let's assess your Programming Patterns! ????- This assessment gives us an idea of your code architecture skills- Companies that evaluate this skillset in interviews: Dirtcube, PTW, Playshifu, etc.

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Object Oriented Programming

Let's assess your Unity Skills ????- This assessment gives us an idea of your Unity fundamentals- Companies you can apply for after taking this assessment: Godspeed games, Salvation Games, nCore Games, etc.