Ingenico is the global leader in payments acceptance solutions. As the trusted technology partner for merchants, banks, acquirers, ISVs, payment aggregators and fintech customers our world-class terminals, solutions and services enable the global ecosystem of payments acceptance. With 40 years of experience, innovation is integral to Ingenico’s approach and culture, inspiring our large and diverse community of experts who anticipate and help shape the evolution of commerce worldwide. At Ingenico, trust and sustainability are at the heart of everything we do.Android Developer (Java/Kotlin)Main Functions/responsibilitiesDevelopment of software on Kotlin/Java, as well as related software tools for Windows/LinuxFunctional & unit tests of developed functionality, configuration of Dev environmentWriting of internal technical specifications, K&B articlesSoftware maintenance (issues investigation, bug fixes, refactoring)Analysis of requirements and customer’s specifications, participation in workload estimationsModeling / proof of concept code, analysis of legacy codeCollaboration with QA team on within SW production cycle.Collaboration with Support team on investigation of issues and functional changes during UAT process.Code Review and Mentorship: middle developer may be involved in code reviews and mentoring junior developers, providing constructive feedback and guidance to improve the overall code quality.Staying updated with the latest advancements in the field of software development, particularly in the context of financial technology and POS systems.Knowledge requiredGood knowledge of Kotlin (primary language)Knowledge of JavaBase knowledge of SQLGood understanding of common software design patterns and Android design patternsKnowledge of Android API capabilities of different versionsUnderstanding of Android framework components and their lifecyclesExperience with source control system Git/JenkinsAbility to decompose a complex task, design solution and implement itOut Android app stack: RxJava, Room, Dagger2Experience in Jira, Confluence, bug tracking systemsBase internetworking knowledge and tools (TCP/IP, Wireshark, Wireless comm)Base cryptography knowledge (symmetric/asymmetric)Knowledge – “good to have”Base knowledge of any programming language (C/C++)PythonHTTP/HTTPSKnowledge of payment transactions principalsBase knowledge of EMV technologyBase knowledge of financial protocolsPractical experience with EFT POS terminalAs part of our values, we embrace diversity and inclusion at Ingenico. We are an equal opportunity employer and do not discriminate on the basis of an individual's race, national origin, color, gender, gender identity, gender expression, sexual orientation, religion, age, disability, marital status or any other protected characteristic under applicable law, whether actual or perceived. Ingenico welcomes and encourages applications from people with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection processWe want to adapt our processes and create a safe work environment that welcomes everyone.To learn more about what it's like working inside Ingenico, follow us on LinkedIn