I am a Senior Android Engineer with over 11 years of expertise in Java, Kotlin, and Android development, particularly in the Finance industry. I am passionate about optimizing CI/CD pipelines and enhancing the developer experience with scalable solutions. I have strong knowledge in security best practices and automation frameworks, and I enjoy improving productivity and embedding security within development lifecycles. Throughout my career, I have worked with top financial institutions across different countries, consistently delivering improvements in app performance, security, and user experience. I am driven by building robust systems and user-centric applications that foster growth and reduce fraud, while collaborating effectively with cross-functional teams to streamline deployment and development processes.

Peterstev

I am a Senior Android Engineer with over 11 years of expertise in Java, Kotlin, and Android development, particularly in the Finance industry. I am passionate about optimizing CI/CD pipelines and enhancing the developer experience with scalable solutions. I have strong knowledge in security best practices and automation frameworks, and I enjoy improving productivity and embedding security within development lifecycles. Throughout my career, I have worked with top financial institutions across different countries, consistently delivering improvements in app performance, security, and user experience. I am driven by building robust systems and user-centric applications that foster growth and reduce fraud, while collaborating effectively with cross-functional teams to streamline deployment and development processes.

Available to hire

I am a Senior Android Engineer with over 11 years of expertise in Java, Kotlin, and Android development, particularly in the Finance industry. I am passionate about optimizing CI/CD pipelines and enhancing the developer experience with scalable solutions. I have strong knowledge in security best practices and automation frameworks, and I enjoy improving productivity and embedding security within development lifecycles.

Throughout my career, I have worked with top financial institutions across different countries, consistently delivering improvements in app performance, security, and user experience. I am driven by building robust systems and user-centric applications that foster growth and reduce fraud, while collaborating effectively with cross-functional teams to streamline deployment and development processes.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Fluent

Work Experience

Senior Android Engineer at STC Bank
January 1, 2023 - Present
Improved card creation and disbursement flow, reducing number of steps needed for credit card issuance. Implemented banking security features such as Nafa th Authentication, Absh er Electronic ID, IVR challenges, reducing fraud cases by over 60%. Overhauled STC Bank Mobile UI design to enhance user retention by up to 30%. Improved app startup times by over 70% by implementing caches and removing bottlenecks, improving experience on low-end devices. Maintained and optimized CI/CD pipelines, reducing deployment time by 25%. Updated back-end and front-end logging activities to improve user conversion and reduce debugging bottlenecks. Rebuilt STC Bank Merchant solution with new system architecture to allow easier future development and improved end user experience.
Senior Android Engineer at STC Bank
January 1, 2023 - Present
Led improvements on the card creation and disbursement flow, significantly reducing the steps needed to create and disburse credit cards. Implemented banking security features like Nafath Authentication, Absher Electronic ID, and IVR challenges, reducing common fraud cases by over 60%. Overhauled the mobile UI design to focus on key user features, increasing user retention by up to 30%. Enhanced app startup times by over 70% through caching and removal of launch bottlenecks, improving performance on low-end devices. Maintained and optimized CI/CD pipelines, reducing deployment times by 25%. Updated backend and frontend logging activities, boosting user conversion and retention while reducing debugging bottlenecks. Rebuilt the merchant solution with a new system architecture aligned with STC Bank's design philosophy, greatly improving the end-user experience.
Senior Android Engineer at STC Bank
January 1, 2023 - Present
Led improvements in card creation and disbursement flow, significantly reducing the steps required to issue credit cards. Implemented banking security features such as Nafath Authentication and Abshar Electronic ID, reducing common fraud cases by over 60%. Overhauled the mobile UI to focus on key features that increased user retention by up to 30%. Optimized app startup times by more than 70% through caching and removing launch bottlenecks, enhancing experience on low-end devices. Maintained and optimized CI/CD pipelines to streamline deployment, reducing deployment time by 25%. Updated backend and frontend logging activities to increase user conversion and retention while reducing debugging bottlenecks. Rebuilt the merchant solution with a new system architecture consistent with bank design philosophy to enhance user experience.
Senior Android Engineer at Cellulant, Payments
December 31, 2022 - August 7, 2025
Automated release process by adding CI/CD workflows using GitLab CI, Fastlane, and Firebase, automating app upload and distribution. Improved card payment process and speed on merchant POS devices, increasing app usage, user satisfaction, and transaction volumes by over 6%.
Senior Android Engineer at Cellulant, Payments
December 31, 2022 - August 7, 2025
Automated the release process by adding CI/CD workflows using GitLab CI, Fastlane, and Firebase, automating app upload and distribution. Improved card payment processing speed on merchant POS devices, increasing merchant app usage, user satisfaction, and transaction volumes by over 6%.
Senior Android Engineer at Cellulant, Payments
December 31, 2022 - August 7, 2025
Automated release processes using GitLab CI, Fastlane, and Firebase to facilitate app upload and distribution. Improved card payment processing speed on merchant POS devices, increasing app usage, user satisfaction, and transaction volumes by over 6%.
Software Engineer (Remote) at aNewItem, E-Commerce
December 31, 2020 - August 7, 2025
Implemented payment process using Flutterwave Payments Gateway, allowing users to pay in local currency. Designed and implemented new authentication flow with SpringBoot, Kafka and Postgres. Oversaw cross-platform mobile app development using React Native. Led backend team to develop and enhance marketplace features and a suite of non-structured products using Node and MongoDB.
Android Engineer at FairMoney Micro-Finance Bank
December 31, 2020 - August 7, 2025
Worked on engineering-wide tools and products to enable seamless collaboration across engineering teams. Implemented multiple payment integration systems aiding loan disbursement, repayment, and funnel conversion improvements. Managed integrations with third-party identity providers improving funnel conversion by ~10%. Fortified PIN reset process, reducing fraud cases and enabling easier loan repayments. Implemented two-factor authentication using facial recognition and available data, cutting fraud losses by approximately $100k.
Software Engineer (Remote) at aNewItem, E-Commerce
December 31, 2020 - August 7, 2025
Implemented payment processing using Flutterwave Payments Gateway to allow users to pay in local currency. Designed and implemented new authentication flows using Spring Boot, Kafka, and Postgres. Oversaw development of cross-platform mobile app using React Native. Led backend team to develop and enhance marketplace features and added suite of non-structured products using Node.js, MongoDB and Mongoose.
Android Engineer at FairMoney Micro-Finance Bank
December 31, 2020 - August 7, 2025
Contributed to engineering wide tools and products to enable other teams to work seamlessly across a large codebase. Implemented multiple payment integration systems aiding loan disbursement, repayment, and improving funnel conversion. Managed multiple third-party identity provider integrations, improving funnel conversion by approximately 10%. Fortified PIN reset processes to reduce fraud and facilitate easy loan repayments. Implemented two-factor authentication using facial recognition and available data, cutting down fraud and saving approximately $100k in losses.
Software Engineer (Remote) at aNewItem, E-Commerce
December 31, 2020 - August 7, 2025
Implemented payment processing using Flutterwave Payments Gateway allowing users to pay in local currency. Designed and developed new authentication flows using Spring Boot, Kafka, and Postgres. Oversaw development of a cross-platform mobile app with React Native. Led backend team enhancing marketplace features and built suite of non-structured products using Node.js, MongoDB, and Mongoose.
Android Engineer at FairMoney Micro-Finance Bank
December 31, 2020 - August 7, 2025
Worked on engineering tools and products to improve collaboration across engineering teams. Implemented multiple payment integration systems to aid loan disbursement and repayment, improving funnel conversion. Managed integrations with multiple third-party identity providers, increasing funnel conversion by approximately 10%. Enhanced PIN reset fortification process to reduce fraud and simplify loan repayments. Implemented two-factor authentication with facial recognition, saving approximately $100k in fraud losses.
Software Engineer at Advanapp Training School
December 31, 2017 - August 7, 2025
Led a team of creative developers to develop school software solutions. Tutored young computer enthusiasts in basic computing and Microsoft startup packages, procuring free certifications. Revamped outdated technology stack and introduced cutting edge productivity tools such as Google's Firebase, Fabric, and SquareUp toolbase to boost efficiency and scalability rapidly.
Software Engineer at Advanapp Training School
December 31, 2017 - August 7, 2025
Led a team of creative developers to develop school software. Tutored young computer enthusiasts in basic computer usage and mastery of Microsoft startup packages, while procuring certifications for them free of charge. Revamped outdated technology stack and introduced productivity tools such as Google's Firebase, Fabric, and Square Up Inc, rapidly boosting efficiency and scalability.
Software Engineer at Advanapp Training School
December 31, 2017 - August 7, 2025
Led team of developers in school software development. Tutored young computer enthusiasts in basic computer use and Microsoft startup packages while procuring certifications for them free of charge. Revamped outdated technology stack and introduced productivity tools like Google Firebase, Fabric, and SquareUp, significantly boosting efficiency and scalability.

Education

Bachelor of Science (BSc) - Pure and Industrial Chemistry at Nnamdi Azikiwe University (UNIZIK), Nigeria
January 1, 2014 - January 1, 2018
National Diploma (ND) – Computer Science at Nnamdi Azikiwe University (UNIZIK), Nigeria
January 1, 2012 - January 1, 2014
Bachelor of Science (BSc) - Pure and Industrial Chemistry at Nnamdi Azikiwe University (UNIZIK), Nigeria
January 1, 2014 - January 1, 2018
National Diploma (ND) - Computer Science at Nnamdi Azikiwe University (UNIZIK), Nigeria
January 1, 2012 - January 1, 2014
Bachelor of Science (BSc) - Pure and Industrial Chemistry at Nnamdi Azikiwe University (UNIZIK), Nigeria
January 1, 2014 - January 1, 2018
National Diploma (ND) – Computer Science at Nnamdi Azikiwe University (UNIZIK), Nigeria
January 1, 2012 - January 1, 2014

Qualifications

Add your qualifications or awards here.

Industry Experience

Financial Services, Software & Internet, Retail, Education, Professional Services