QA Engineer - Backend (Golang) Senior [Core Banking Systems]
- Salary not listed
- Remote-friendly · fits your timezone
- Posted last month · via Greenhouse
Ensure core banking systems are secure, resilient, and compliant with Mexican banking regulations
The QA Engineer will test backend systems for credit card issuing and processing within a microservices architecture using Kafka and PostgreSQL. Focus is on ensuring security, resilience, and compliance with Mexican banking and accounting regulations. Work involves validating reliable and scalable backend systems at the core of financial infrastructure.
Why This Role?
Work on core banking systems with direct impact on financial infrastructure reliability and compliance
Key Responsibilities
- Test backend systems for security, resilience, and regulatory compliance
- Validate microservices architecture components including Kafka and PostgreSQL
- Ensure credit card issuing and processing systems meet Mexican banking standards
- Support development of reliable and scalable core financial infrastructure
Requirements
- Experience with backend testing in microservices environments
- Knowledge of Kafka and PostgreSQL for system validation
- Understanding of Mexican banking and accounting regulations
- Background in QA for financial or payment systems
Required Skills
Indonesia Context
- Working Hours Overlap:
- Partial overlap with Jakarta hours
View Original Description from Greenhouse BoardsShow more
Original description from Greenhouse Boards
<div id="rec855990004" class="r t-rec" data-animationappear="off" data-record-type="396"></div> <div id="rec855990006" class="r t-rec" data-animationappear="off" data-record-type="396"> <div class="t396"> <div class="t396__artboard rendered" data-artboard-recid="855990006" data-artboard-screens="320,480,640,960,1200" data-artboard-height="1530" data-artboard-valign="center" data-artboard-upscale="grid" data-artboard-height-res-320="2530" data-artboard-height-res-480="2399" data-artboard-height-res-640="1830" data-artboard-height-res-960="1540" data-artboard-proxy-min-offset-top="0" data-artboard-proxy-min-height="1530" data-artboard-proxy-max-height="1530"> <div class="t396__elem tn-elem tn-elem__8559900061698692922192" data-elem-id="1698692922192" data-elem-type="shape" data-field-top-value="1" data-field-left-value="239" data-field-height-value="1621" data-field-width-value="719" data-field-axisy-value="top" data-field-axisx-value="left" data-field-container-value="grid" data-field-topunits-value="px" data-field-leftunits-value="px" data-field-heightunits-value="px" data-field-widthunits-value="px" data-field-top-res-320-value="0" data-field-left-res-320-value="-7" data-field-height-res-320-value="2631" data-field-width-res-320-value="331" data-field-top-res-480-value="0" data-field-left-res-480-value="47" data-field-height-res-480-value="2545" data-field-width-res-480-value="383" data-field-top-res-640-value="13" data-field-left-res-640-value="50" data-field-height-res-640-value="2298" data-field-width-res-640-value="533" data-field-left-res-960-value="120" data-field-height-res-960-value="1671" data-field-width-res-960-value="717" data-fields="width,height,top,left,container,axisx,axisy,widthunits,heightunits,leftunits,topunits"> <div class="tn-atom"> <p>We are looking for a<strong> QA Engineer - Backend (Golang)</strong> for the<strong> Core Banking Systems Team</strong> — a team focused on building reliable and scalable backend systems at the core of our financial infrastructure. The team develops solutions for credit card issuing and processing, working with a microservices architecture and technologies such as Kafka and PostgreSQL. A key part of the team's work is ensuring that our systems are secure, resilient, and compliant with Mexican banking and accounting regulations.</p> </div> <div class="tn-atom"> </div> </div> <div class="t396__elem tn-elem tn-elem__8559900061698693067248" data-elem-id="1698693067248" data-elem-type="text" data-field-top-value="40" data-field-left-value="271" data-field-height-value="20" data-field-width-value="279" data-field-axisy-value="top" data-field-axisx-value="left" data-field-container-value="grid" data-field-topunits-value="px" data-field-leftunits-value="px" data-field-heightunits-value="px" data-field-widthunits-value="px" data-field-textfit-value="autoheight" data-field-top-res-320-value="40" data-field-left-res-320-value="11" data-field-width-res-320-value="260" data-field-top-res-480-value="40" data-field-left-res-480-value="80" data-field-width-res-480-value="318" data-field-top-res-640-value="40" data-field-left-res-640-value="70" data-field-width-res-640-value="307" data-field-top-res-960-value="41" data-field-left-res-960-value="154" data-fields="top,left,width,height,container,axisx,axisy,widthunits,leftunits,topunits"> <div class="tn-atom"> <div class="t396__elem tn-elem tn-elem__8559900061698693067248" data-elem-id="1698693067248" data-elem-type="text" data-field-top-value="40" data-field-left-value="271" data-field-height-value="20" data-field-width-value="279" data-field-axisy-value="top" data-field-axisx-value="left" data-field-container-value="grid" data-field-topunits-value="px" data-field-leftunits-value="px" data-field-heightunits-value="px" data-field-widthunits-value="px" data-field-textfit-value="autoheight" data-field-top-res-320-value="40" data-field-left-res-320-value="11" data-field-width-res-320-value="260" data-field-top-res-480-value="40" data-field-left-res-480-value="80" data-field-width-res-480-value="318" data-field-top-res-640-value="40" data-field-left-res-640-value="70" data-field-width-res-640-value="307" data-field-top-res-960-value="41" data-field-left-res-960-value="154" data-fields="top,left,width,height,container,axisx,axisy,widthunits,leftunits,topunits"> <div class="tn-atom"> <div class="t396__elem tn-elem tn-elem__8559900061698693067248" data-elem-id="1698693067248" data-elem-type="text" data-field-top-value="40" data-field-left-value="271" data-field-height-value="20" data-field-width-value="279" data-field-axisy-value="top" data-field-axisx-value="left" data-field-container-value="grid" data-field-topunits-value="px" data-field-leftunits-value="px" data-field-heightunits-value="px" data-field-widthunits-value="px" data-field-textfit-value="autoheight" data-field-top-res-320-value="40" data-field-left-res-320-value="11" data-field-width-res-320-value="260" data-field-top-res-480-value="40" data-field-left-res-480-value="80" data-field-width-res-480-value="318" data-field-top-res-640-value="40" data-field-left-res-640-value="70" data-field-width-res-640-value="307" data-field-top-res-960-value="41" data-field-left-res-960-value="154" data-fields="top,left,width,height,container,axisx,axisy,widthunits,leftunits,topunits"> <div class="tn-atom"><strong>Challenges that await you:</strong></div> </div> <div class="t396__elem tn-elem tn-elem__8559900061698693118486" data-elem-id="1698693118486" data-elem-type="text" data-field-top-value="76" data-field-left-value="271" data-field-height-value="260" data-field-width-value="636" data-field-axisy-value="top" data-field-axisx-value="left" data-field-container-value="grid" data-field-topunits-value="px" data-field-leftunits-value="px" data-field-heightunits-value="px" data-field-widthunits-value="px" data-field-textfit-value="autoheight" data-field-top-res-320-value="72" data-field-left-res-320-value="10" data-field-width-res-320-value="305" data-field-top-res-480-value="72" data-field-left-res-480-value="80" data-field-width-res-480-value="319" data-field-top-res-640-value="75" data-field-left-res-640-value="65" data-field-width-res-640-value="501" data-field-top-res-960-value="77" data-field-left-res-960-value="150" data-fields="top,left,width,height,container,axisx,axisy,widthunits,leftunits,topunits"> <div class="tn-atom"> <ul> <li>Requirements analysis, creation of test scenarios, and preparation of test data</li> <li>Development and maintenance of test documentation</li> <li>Acceptance and regression testing (automated and manual)</li> <li>Manual testing responsibilities are an essential part of the role, including on-site involvement and ownership of the testing process.</li> <li>Writing and maintaining automated tests in Go</li> <li>Support of the test project</li> <li>Development and maintenance of the test project</li> <li>Integration of automated tests into CI/CD</li> <li>Development and maintenance of testing infrastructure and tools</li> <li>Identification, localization, and reporting of defects using a bug tracking system</li> <li>Communication with the product team during development and participation in releases</li> <li>Developing and maintaining custom tools to support the testing process (e.g., mock services, data generators, reporting tools)</li> </ul> </div> </div> <div class="t396__elem tn-elem tn-elem__8559900061701086828256" data-elem-id="1701086828256" data-elem-type="text" data-field-top-value="368" data-field-left-value="271" data-field-height-value="20" data-field-width-value="656" data-field-axisy-value="top" data-field-axisx-value="left" data-field-container-value="grid" data-field-topunits-value="px" data-field-leftunits-value="px" data-field-heightunits-value="px" data-field-widthunits-value="px" data-field-textfit-value="autoheight" data-field-top-res-320-value="589" data-field-left-res-320-value="18" data-field-width-res-320-value="248" data-field-container-res-320-value="grid" data-field-top-res-480-value="590" data-field-left-res-480-value="80" data-field-width-res-480-value="318" data-field-top-res-640-value="446" data-field-left-res-640-value="69" data-field-width-res-640-value="307" data-field-top-res-960-value="370" data-field-left-res-960-value="154" data-fields="top,left,width,height,container,axisx,axisy,widthunits,leftunits,topunits"> <div class="tn-atom"><strong>What makes you a great fit:</strong></div> </div> <div class="t396__elem tn-elem tn-elem__8559900061701086828264" data-elem-id="1701086828264" data-elem-type="text" data-field-top-value="404" data-field-left-value="271" data-field-height-value="442" data-field-width-value="634" data-field-axisy-value="top" data-field-axisx-value="left" data-field-container-value="grid" data-field-topunits-value="px" data-field-leftunits-value="px" data-field-heightunits-value="px" data-field-widthunits-value="px" data-field-textfit-value="autoheight" data-field-top-res-320-value="621" data-field-left-res-320-value="10" data-field-width-res-320-value="308" data-field-container-res-320-value="grid" data-field-top-res-480-value="622" data-field-left-res-480-value="80" data-field-height-res-480-value="806" data-field-width-res-480-value="333" data-field-container-res-480-value="grid" data-field-top-res-640-value="481" data-field-left-res-640-value="65" data-field-width-res-640-value="487" data-field-top-res-960-value="406" data-field-left-res-960-value="150" data-field-width-res-960-value="582" data-fields="top,left,width,height,container,axisx,axisy,widthunits,leftunits,topunits"> <div class="tn-atom"> <ul> <li>Experience in developing and maintaining test documentation</li> <li>Experience in programming with Go / Java / Kotlin / Python</li> <li>Experience working with Git or other version control systems</li> <li>Experience working with SQL</li> <li>Experience in developing and maintaining automated tests in Java / Kotlin / Python / Go</li> <li>Experience in developing and maintaining a test framework</li> <li>Experience working with CI/CD tools</li> <li>Experience in developing and maintaining testing infrastructure and tools</li> <li>Knowledge and understanding of design patterns</li> <li>Experience working with message queues (Kafka)</li> <li><strong>B1 or higher English</strong> level for effective communication with an international team</li> </ul> <div id="rec855990006" class="r t-rec" data-animationappear="off" data-record-type="396"> <div class="t396"> <div class="t396__artboard rendered" data-artboard-recid="855990006" data-artboard-screens="320,480,640,960,1200" data-artboard-height="1530" data-artboard-valign="center" data-artboard-upscale="grid" data-artboard-height-res-320="2530" data-artboard-height-res-480="2399" data-artboard-height-res-640="1830" data-artboard-height-res-960="1540" data-artboard-proxy-min-offset-top="0" data-artboard-proxy-min-height="1530" data-artboard-proxy-max-height="1530"> <div class="t396__elem tn-elem tn-elem__8559900061727362248432" data-elem-id="1727362248432" data-elem-type="text" data-field-top-value="878" data-field-left-value="271" data-field-height-value="20" data-field-width-value="656" data-field-axisy-value="top" data-field-axisx-value="left" data-field-container-value="grid" data-field-topunits-value="px" data-field-leftunits-value="px" data-field-heightunits-value="px" data-field-widthunits-value="px" data-field-textfit-value="autoheight" data-field-top-res-320-value="1502" data-field-left-res-320-value="12" data-field-width-res-320-value="195" data-field-container-res-320-value="grid" data-field-top-res-480-value="1452" data-field-left-res-480-value="80" data-field-width-res-480-value="318" data-field-top-res-640-value="1059" data-field-left-res-640-value="65" data-field-width-res-640-value="307" data-field-top-res-960-value="905" data-field-left-res-960-value="153" data-fields="top,left,width,height,container,axisx,axisy,widthunits,leftunits,topunits"> <div class="tn-atom"><strong>Your bonus skills:</strong></div> </div> <div class="t396__elem tn-elem tn-elem__8559900061727362248427" data-elem-id="1727362248427" data-elem-type="text" data-field-top-value="914" data-field-left-value="271" data-field-height-value="78" data-field-width-value="598" data-field-axisy-value="top" data-field-axisx-value="left" data-field-container-value="grid" data-field-topunits-value="px" data-field-leftunits-value="px" data-field-heightunits-value="px" data-field-widthunits-value="px" data-field-textfit-value="autoheight" data-field-top-res-320-value="1534" data-field-left-res-320-value="10" data-field-width-res-320-value="303" data-field-container-res-320-value="grid" data-field-top-res-480-value="1484" data-field-left-res-480-value="80" data-field-width-res-480-value="321" data-field-top-res-640-value="1094" data-field-left-res-640-value="65" data-field-width-res-640-value="489" data-field-top-res-960-value="941" data-field-left-res-960-value="150" data-fields="top,left,width,height,container,axisx,axisy,widthunits,leftunits,topunits"> <div class="tn-atom"> <ul> <li>Experience working with gRPC and Protobuf</li> <li>Experience with frameworks: dailymotion/allure-go, Gomega (Go) / JUnit5, Allure (Kotlin) / allure-pytest, pytest (Python)</li> <li>Experience in load testing</li> <li>Knowledge and understanding of software design patterns</li> </ul> </div> </div> </div> </div> </div> </div> </div> <div class="t396__elem tn-elem tn-elem__8559900061715530713485" data-elem-id="1715530713485" data-elem-type="text" data-field-top-value="1024" data-field-left-value="271" data-field-height-value="20" data-field-width-value="656" data-field-axisy-value="top" data-field-axisx-value="left" data-field-container-value="grid" data-field-topunits-value="px" data-field-leftunits-value="px" data-field-heightunits-value="px" data-field-widthunits-value="px" data-field-textfit-value="autoheight" data-field-top-res-320-value="1715" data-field-left-res-320-value="12" data-field-width-res-320-value="195" data-field-container-res-320-value="grid" data-field-top-res-480-value="1638" data-field-left-res-480-value="80" data-field-width-res-480-value="318" data-field-top-res-640-value="1204" data-field-left-res-640-value="65" data-field-width-res-640-value="307" data-field-top-res-960-value="1051" data-field-left-res-960-value="153" data-fields="top,left,width,height,container,axisx,axisy,widthunits,leftunits,topunits"> <div class="tn-atom"> <div class="t396__elem tn-elem tn-elem__8559900061715530713485" data-elem-id="1715530713485" data-elem-type="text" data-field-top-value="1024" data-field-left-value="271" data-field-height-value="20" data-field-width-value="656" data-field-axisy-value="top" data-field-axisx-value="left" data-field-container-value="grid" data-field-topunits-value="px" data-field-leftunits-value="px" data-field-heightunits-value="px" data-field-widthunits-value="px" data-field-textfit-value="autoheight" data-field-top-res-320-value="1715" data-field-left-res-320-value="12" data-field-width-res-320-value="195" data-field-container-res-320-value="grid" data-field-top-res-480-value="1638" data-field-left-res-480-value="80" data-field-width-res-480-value="318" data-field-top-res-640-value="1204" data-field-left-res-640-value="65" data-field-width-res-640-value="307" data-field-top-res-960-value="1051" data-field-left-res-960-value="153" data-fields="top,left,width,height,container,axisx,axisy,widthunits,leftunits,topunits"> <div class="tn-atom"><strong>Our ways of working:</strong></div> </div> <div class="t396__elem tn-elem tn-elem__8559900061715530713504" data-elem-id="1715530713504" data-elem-type="text" data-field-top-value="1060" data-field-left-value="271" data-field-height-value="182" data-field-width-value="598" data-field-axisy-value="top" data-field-axisx-value="left" data-field-container-value="grid" data-field-topunits-value="px" data-field-leftunits-value="px" data-field-heightunits-value="px" data-field-widthunits-value="px" data-field-textfit-value="autoheight" data-field-top-res-320-value="1747" data-field-left-res-320-value="10" data-field-width-res-320-value="303" data-field-container-res-320-value="grid" data-field-top-res-480-value="1670" data-field-left-res-480-value="80" data-field-height-res-480-value="338" data-field-width-res-480-value="321" data-field-container-res-480-value="grid" data-field-top-res-640-value="1239" data-field-left-res-640-value="65" data-field-width-res-640-value="489" data-field-top-res-960-value="1087" data-field-left-res-960-value="150" data-fields="top,left,width,height,container,axisx,axisy,widthunits,leftunits,topunits"> <div class="tn-atom"> <ul> <li><strong>Innovative Spirit: </strong>A commitment to creativity and groundbreaking solutions</li> <li><strong>Honest Feedback:</strong> valuing open, transparent communication</li> <li><strong>Supportive Team: </strong>a strong, collaborative community</li> <li><strong>Celebrating Achievements: </strong>recognizing our wins together</li> <li><strong>High-Tech Environment:</strong> a team full of smart and revolutionary people who date to challenge the status quo of incumbent finances</li> <li><strong>Team time zone: </strong>The team works within the GMT+1 to GMT+5 time zone</li> </ul> </div> </div> <div class="t396__elem tn-elem tn-elem__8559900061715530713509" data-elem-id="1715530713509" data-elem-type="text" data-field-top-value="1274" data-field-left-value="271" data-field-height-value="20" data-field-width-value="656" data-field-axisy-value="top" data-field-axisx-value="left" data-field-container-value="grid" data-field-topunits-value="px" data-field-leftunits-value="px" data-field-heightunits-value="px" data-field-widthunits-value="px" data-field-textfit-value="autoheight" data-field-top-res-320-value="2110" data-field-left-res-320-value="11" data-field-width-res-320-value="210" data-field-container-res-320-value="grid" data-field-top-res-480-value="2032" data-field-left-res-480-value="80" data-field-width-res-480-value="318" data-field-top-res-640-value="1530" data-field-left-res-640-value="69" data-field-width-res-640-value="307" data-field-top-res-960-value="1300" data-field-left-res-960-value="154" data-fields="top,left,width,height,container,axisx,axisy,widthunits,leftunits,topunits"> <div class="tn-atom"><strong>Our benefits:</strong></div> </div> <div class="t396__elem tn-elem tn-elem__8559900061715530713512" data-elem-id="1715530713512" data-elem-type="text" data-field-top-value="1310" data-field-left-value="271" data-field-height-value="208" data-field-width-value="634" data-field-axisy-value="top" data-field-axisx-value="left" data-field-container-value="grid" data-field-topunits-value="px" data-field-leftunits-value="px" data-field-heightunits-value="px" data-field-widthunits-value="px" data-field-textfit-value="autoheight" data-field-top-res-320-value="2142" data-field-left-res-320-value="10" data-field-width-res-320-value="308" data-field-container-res-320-value="grid" data-field-top-res-480-value="2064" data-field-left-res-480-value="80" data-field-height-res-480-value="338" data-field-width-res-480-value="333" data-field-container-res-480-value="grid" data-field-top-res-640-value="1565" data-field-left-res-640-value="65" data-field-width-res-640-value="487" data-field-top-res-960-value="1336" data-field-left-res-960-value="150" data-field-width-res-960-value="582" data-fields="top,left,width,height,container,axisx,axisy,widthunits,leftunits,topunits"> <div class="tn-atom"> <ul> <li><strong>Relocation support </strong>to one of our hubs — Cyprus, Serbia, Georgia, Kazakhstan— with assistance for the employee and their family</li> <li><strong>Flexible work </strong>from one of our offices or remote</li> <li><strong>Healthcare Coverage</strong></li> <li><strong>Education Budget: </strong>Language lessons, professional training and certifications</li> <li><strong>Wellness Budget: </strong>Mental health and fitness activity reimbursement</li> <li><strong>Vacation policy: </strong>20 days of annual leave and paid sick leave</li> </ul> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div>
Salary Context
Similar Engineering roles on LokerDollar pay around $185k/yr (range $48k–582.4k/yr, n=274 active listings).
Hiring at Plata Card
Plata Card has 28 other active roles on LokerDollar and has been hiring here since Oct 13, 2026 — across Engineering, Data & Analytics.
- Software Engineer - iOS Middle/Middle+
- SRE [Processing Core Team]
- Data Analyst Junior / Junior+ [Core Banking]
Market context
- ESTIMATEEstimated pay is 12% above the role median of $185,000/year (n=274 pay-disclosing listings).
- VERIFIEDPlata Card: 30 postings in the last 3 months, 30 all-time on LokerDollar.
- VERIFIEDCompany first seen Oct 13, 2026.
- VERIFIEDThis listing first seen Oct 13, 2026.
- VERIFIEDLast verified live Oct 13, 2026.
Frequently asked questions
- Is QA Engineer - Backend (Golang) Senior [Core Banking Systems] at Plata Card a remote job?
- Yes. QA Engineer - Backend (Golang) Senior [Core Banking Systems] at Plata Card is a fully remote role open to candidates worldwide.
- What type of employment is QA Engineer - Backend (Golang) Senior [Core Banking Systems] at Plata Card?
- This is a full time position.
- How do I apply?
- Click the "Apply" button on this page to go to the official application at Plata Card.
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- 21% of Remote B2B Seller Listings Reveal Pay – What That Means for Your OutreachOnly 21% of active remote B2B seller jobs show compensation, a signal you can turn into a data‑driven sales pitch.
- Tech Seeker Playbook — What 3,917 Remote Listings Reveal About 2026 StrategyA data‑driven guide for global tech talent: skill demand, pay transparency, and the real value of AI‑focused titles.
- Event Planning Cover Letter Guide: Insights from 3,958 Remote ListingsOnly 21% of 3,958 remote jobs reveal pay—learn how to craft a cover letter that stands out when salaries stay hidden.