OLUWATOSIN ABOSEDE SALAKO
Senior Software Engineer
Lagos
Summary
Experienced and impact-driven Senior Software Engineer and digital transformation leader with a hybrid edge — combining 15+ years of banking experience and 3 years of full-stack development to solve critical enterprise challenges with elegance, speed, and scale using latest .Net technologies and Azure AI services. Proven to build, automate, and lead high-impact systems from scratch — from core banking transitions to AI-driven decision models — under high-stakes regulatory environments. Known for delivering solutions that don’t just work — but transform. Promoted twice in 2 years for outstanding performance. Spearheaded the recovery of failed transaction processes, redesigned settlement workflows, pioneered high-speed automation, and currently lead Azure and AI development for Zenith Bank’s Digital Factory.
Overview
7
7
years of professional experience
5
5
Certifications
Work History
Senior Software Engineer – Azure & AI
Zenith Bank Plc
06.2024 - Current
- Lead Azure development and AI integration subteam delivering next-gen banking solutions.
- Integrated with Opay and Kuda; improved internal processes and third-party fintech partnerships.
- Built AI models including plant disease detection (TensorFlow) and LSTM-based asteroid risk forecasting.
- Introduced SQL user-defined data types, reducing 3-hour workflows to 3 minutes.
- Developed unit tests reducing testing time from 2 days to 10 minutes.
- Oversaw AI/ML implementation across internal systems with exceptional user feedback.
- Mentored junior developers, fostering professional growth and enhancing team productivity.
- Enhanced software functionality by identifying and resolving complex technical issues.
- Developed scalable applications using agile methodologies for timely project delivery.
- Corrected, modified and upgraded software to improve performance.
Senior Software Engineer | Full Stack Developer
Zenith Bank Plc
06.2023 - 06.2025
- Resurrected failed ATM refund system using .NET and UiPath within 2 weeks, averting multi-billion naira CBN fines.
- Rebuilt 20+ enterprise applications in 1 year including dispute resolution, settlement, CBN reporting, real-time transaction posting using latest .Net, JWT security, CORS, Redis Caching, Entity frameworkCore and Microsoft SqlServer, Internal Oracle Card Management System and Oracle Flexcube Stacks.
- Led a subteam to deliver 10 projects in 1 month as the bank's core banking transformation project ran to a close.
- Collaborated with Oracle and internal teams to support ISO migration from Sybase to Flexcube.
- Managed all card-related project integrations during the bank’s Flexcube transformation.
- Integrated new technologies into existing systems, increasing capabilities and improving overall performance.
- Developed scalable and maintainable code, ensuring long-term stability of the software.
- Managed multiple projects simultaneously while maintaining strict deadlines and high-quality standards.
- Maintained comprehensive documentation of development work, facilitating knowledge sharing among team members.
- Regularly reviewed peers'' code contributions, offering constructive feedback to enhance overall product quality.
- Collaborated with cross-functional teams to design innovative software solutions.
- Proactively identified areas for process improvement, implementing changes that led to significant time savings for the team.
- Delivered exceptional client support by promptly addressing concerns and implementing requested changes or enhancements to software solutions.
- Collaborated with management, internal and development partners regarding software application design status and project progress.
- Developed robust, scalable, modular and API-centric infrastructures.
- Collaborated with fellow engineers to evaluate software and hardware interfaces.
Chargeback & Payments Specialist
Zenith Bank Plc
06.2018 - 06.2022
- Cross-functional roles in chargeback management and payment desks.
- Collaborated with Deloitte, EY, KPMG on process automation projects.
- Brought Excel and banking knowledge to simplify consulting automation work.
- Consistently delivered applications with strong user praise and operational reliability.
- Collaborated with cross-functional teams to achieve project goals on time and within budget.
- Improved customer satisfaction rates through proactive problem-solving and efficient complaint resolution.
- Followed all company policies and procedures to deliver quality work.
- Championed the adoption of new software tools that streamlined workflows across multiple departments.
- Facilitated workshops for professional development of junior staff members.
- Increased efficiency by automating routine tasks with Microsoft Excel macros.
Education
Master of Science - Computer Science
University of East London
United Kingdom 04.2001 -
Skills
NET
Certification
AZ-900
Notable Extras
- 20+ certifications: .NET, C#, Java, HTML, SQL, CSS, JavaScript, Azure, AI, RPA
- ICAN foundation certification — bridging business, finance, and tech
- Courses in leadership, collaboration, and innovation via LinkedIn, Coursera, Udemy
- Real-world experience integrating with fintechs and automating enterprise systems (UiPath, Flexcube, Azure AI)
Strengths Signature Traits
- Promoted twice in 2 years across two IT departments for performance.
- Pioneered use of advanced SQL techniques in enterprise systems.
- Deep knowledge of core banking, card systems, ISO transitions, and regulatory compliance.
- Strong communicator with strategic, innovative, and high-ownership mindset.
Timeline
Senior Software Engineer – Azure & AI
Zenith Bank Plc
06.2024 - Current
Senior Software Engineer | Full Stack Developer
Zenith Bank Plc
06.2023 - 06.2025
Chargeback & Payments Specialist
Zenith Bank Plc
06.2018 - 06.2022
Master of Science - Computer Science
University of East London
04.2001 -
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