INNOCENT UDO — Senior Software Engineer

I’m a Senior Java Software Engineer with 5+ years of experience building high-performance, bank-grade backend systems across Fintech and Banking from core payment APIs to real-time transaction microservices. I specialize in Spring Boot, Microservices, Kafka, and Event-Driven Architecture, engineering reliable systems that process millions of transactions daily with 99.9% uptime. My background includes leading initiatives with Zenith Bank, Accenture, and UOB, where I drove innovation in Open Banking and ISO20022-compliant integrations. Impact Highlights: • Optimized transaction pipelines — achieving 25% faster throughput and 35% fewer reconciliation errors. • Designed scalable payment APIs powering 5,000+ daily users. • Led backend modernization projects that reduced latency and boosted system reliability across distributed services. • Mentored engineers on secure coding, Java architecture patterns, and DevOps pipelines (Docker, CI/CD, GitHub Actions). Core Stack: Java 17+, Spring Boot, Spring Cloud, Kafka, Hibernate, Docker, Kubernetes, Oracle, PostgreSQL, REST APIs, OAuth2/JWT, GitHub Actions, Multithreading, Concurrency, low latency. Open To: Global relocation and visa sponsorship opportunities especially in Europe, UK, Canada, Singapore, and UAE, where I can design and scale backend systems that power modern financial platforms. If you’re building the next-generation fintech or enterprise API system, let’s connect, I bring deep technical expertise, measurable impact, and international readiness to your engineering team.

Stackforce AI infers this person is a Fintech Backend Engineer specializing in high-performance payment systems.

Location: Kuala Lumpur, Federal Territory, Malaysia

Experience: 5 yrs 11 mos

Skills

Spring Boot
Microservices
Java
Cloud Architecture

Career Highlights

Optimized transaction pipelines for faster throughput.
Designed scalable payment APIs for thousands of users.
Led backend modernization projects to enhance reliability.

Work Experience

Accenture

Senior Software Engineer (2 yrs)

Avanade

Java Application Developer (2 yrs)

Elite Tech Täisühing

Lead Java Developer (5 mos)

Senior Application Engineer (1 mo)

Zenith Bank Plc

Java Software Engineer (3 yrs 6 mos)

Decagon

Java Developer (1 yr 2 mos)

Education

Engineer's degree at Holberton School

B.Sc Genetics and Biotechnology at University of Calabar

Higher National Diploma at Institute of Management, Technology and Finance

Bachelor of Science at University of Calabar

Master of Business Administration at Holberton

INNOCENT UDO

Senior Software Engineer

Kuala Lumpur, Federal Territory, Malaysia5 yrs 11 mos experience

Most Likely To Switch

Key Highlights

Optimized transaction pipelines for faster throughput.
Designed scalable payment APIs for thousands of users.
Led backend modernization projects to enhance reliability.

Stackforce AI infers this person is a Fintech Backend Engineer specializing in high-performance payment systems.

Contact

charlesinnocentudo@gmail.com LinkedIn

Skills

Core Skills

Spring BootMicroservicesJavaCloud Architecture

Other Skills

REST APIsKafkaCI/CDISO20022HibernateAgile/ScrumSpring CloudDockerAWS EKSTerraformDeployment ManagementJavaFXDatabase ServersBitbucketSQL Server Integration Services (SSIS)

About

Experience

5 yrs 11 mos

Total Experience

1 yr 11 mos

Average Tenure

2 yrs

Current Experience

Accenture

Senior Software Engineer

Jun 2024 – Present · 2 yrs · Federal Territory of Kuala Lumpur, Malaysia · On-site

Delivered scalable, microservices-based financial platforms using Spring Boot, REST APIs, and Kafka, boosting transaction throughput and system performance by 25%.
Collaborated with UOB Bank’s engineering team to enhance payment processing reliability, reducing system downtime by 15%.
Implemented CI/CD pipelines (Git, Maven, Jenkins) to accelerate deployment speed by 30%.
Implemented ISO20022 message mapping for SWIFT and SEPA payments, reducing reconciliation errors by 35%.
Developed APIs for Open Banking (PSD2) compliance and third-party integrations with enhanced audit tracking.

Spring BootREST APIsKafkaCI/CDISO20022Microservices

Avanade

Java Application Developer

Jun 2024 – Present · 2 yrs · Singapore

Designed and deployed backend components for enterprise clients using Spring Boot and Hibernate.
Improved API response times by 40% through performance tuning and caching mechanisms.
Collaborated with UX and Product teams to launch web features used by over 10,000 users.
Applied Agile/Scrum practices to ensure sprint completion and reduce project delivery time.

Spring BootHibernateAgile/ScrumJava

Elite tech täisühing

2 roles

Lead Java Developer

Promoted

Jan 2024 – Jun 2024 · 5 mos

Successfully led the migration of monolithic financial services to a Spring Cloud microservices architecture, containerized with Docker and orchestrated via AWS EKS (Kubernetes).
Engineered automated CI/CD pipelines using Jenkins and GitLab CI, reducing deployment-related incidents by 20% and enabling seamless daily production releases.
Developed and documented high-performance REST and gRPC APIs for third-party fintech integrations, reducing external partner onboarding time by 50%.
Leveraged Terraform to manage cloud resources, ensuring environment parity across development, staging, and production to eliminate "it works on my machine" defects.

Spring CloudDockerAWS EKSCI/CDTerraformMicroservices+1

Senior Application Engineer

Nov 2023 – Dec 2023 · 1 mo

Developed and implemented permanent fixes for recurring system issues, reducing support escalations by 20% through improved documentation and automation.

Zenith bank plc

Java Software Engineer

May 2020 – Nov 2023 · 3 yrs 6 mos · Lagos State, Nigeria · On-site

Built microservice-based payment gateways processing over ₦50M daily in transactions.
Introduced multi-factor authentication and fraud detection modules, reducing fraudulent transactions by 20%.
Spearheaded migration from monolithic systems to Spring Boot microservices, improving scalability and performance.
Enhanced developer productivity by creating shared reusable libraries across teams.

Spring BootMicroservicesJava

Decagon

Java Developer

Feb 2019 – Apr 2020 · 1 yr 2 mos · Lagos State, Nigeria · On-site

Engineered wallet and payment modules serving 5,000+ users, boosting adoption by 30%.
Led 6 Agile sprints achieving 100% sprint goal delivery as team lead.
Created reusable backend frameworks reducing new feature turnaround time by 50%.
Improved system reliability through robust error handling and integration testing.