Tobi Obulu — Portfolio

SYS.INIT PROFILE

root@tobi:~$ cat profile.txt

MODULES TECHNICAL STACK

// Languages

JavaPythonC++CSQLJavaScriptHTML/CSSDart

// Cloud & IaC

AWS EC2AWS RDSAWS IAMCloudWatchTerraformTerragruntDockerJenkinsGitHub ActionsTravisCI

// Frameworks

ReactNode.jsFastAPIFlaskFlutter SDKASP.NETJUnitWordPress

// Monitoring & Observability

AppDynamicsGrafanaCloudWatch LogsJVM MetricsCPU/I/O AlertingMS Teams Pipelines

// Security

IAM PoliciesPen TestingMobSFWapitiSQL Injection MitigationOWASP Headers

// Developer Tools

GitVS CodeIntelliJ IDEAPyCharmPostmanLinux CLIUnityEclipse

ACCESS.LOG EXPERIENCE

ETAS LTD. — BOSCH GROUP

Software Engineer / DevOps Intern

📍 Manchester, UK · Jul 2025 – Sep 2026 · [ACTIVE]

▾

Developed and maintained embedded automotive and virtual ECU software using C, C++, Python, and Java, delivering high-performance solutions aligned with automotive software quality standards.
Managed and supported AWS-based DevOps infrastructure and CI/CD workflows across IAM, EC2, RDS, and CloudWatch to improve automation, scalability, and operational efficiency.
Implemented enterprise monitoring and observability using AppDynamics and Grafana — configuring JVM memory, CPU, I/O, and RDS alerting for proactive incident response.
Integrated monitoring with automated alerting via Microsoft Teams notification pipelines using threshold-based evaluations for real-time operational monitoring.
Standardized AWS CloudWatch log retention policies across multiple deployments, improving compliance with internal security standards and audit readiness.
Conducted detailed AWS cost analysis and infrastructure optimization, identifying high-cost services and unused resources across multiple cloud accounts.
Reviewed IAM policies, assumable roles, and QA security configurations, resolving security warnings and strengthening cloud security posture and access governance.
Contributed to enterprise Infrastructure-as-Code migration using Terraform and Terragrunt, modernising cloud deployment configurations and reusable module design.
Updated Terragrunt module source references, configuration inputs, and deployment structures, validating changes through Jenkins CI/CD pipelines.
Facilitated knowledge sharing by producing technical documentation and DevOps training materials focused on AWS infrastructure, monitoring, and deployment tooling.
Collaborated in agile, cross-functional teams supporting middleware, cybersecurity, DevOps, and cloud platform initiatives for software-defined vehicle systems.

CHESHIRE MILITARY MUSEUM — CHARITY PROJECT

Software Engineer / Cyber Security Intern

📍 University of Chester · Jan 2025 – Apr 2025

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Designed and developed a cross-platform digital tour app using Flutter and Dart, enabling Android and iOS compatibility for enhanced museum visitor engagement.
Implemented secure user authentication with ASP.NET Web API backend, enforcing password hashing and mitigating SQL injection vulnerabilities by isolating direct database access.
Conducted comprehensive penetration testing using MobSF and Wapiti, identifying and addressing security gaps including improper HTTP security headers (X-XSS-Protection, Strict-Transport-Security).
Engineered adaptive gameplay features with Unity, incorporating age-based difficulty scaling to improve accessibility across diverse demographics.
Applied UX/UI principles including Jakob's Law and accessible color theory to design intuitive interfaces minimizing learning curves while adhering to client branding guidelines.
Provided detailed recommendations for QR code tampering prevention, least privilege access, and physical database protections aligned with mobile cybersecurity best practices.

UNIVERSITY OF CHESTER

Web Developer & Java Developer

📍 Chester, UK · Sep 2023 – May 2024

▾

Developed a fully functional e-commerce website using HTML, CSS, and JavaScript with responsive design, dynamic product listings, a shopping cart system, and real-time updates.
Designed and built a Music Album Collection Manager in Java using OOP principles, serialization (ObjectInputStream/ObjectOutputStream), and ArrayList-based collection management.
Led end-to-end UI/UX design of a sushi restaurant app applying Fitts' Law, Hick's Law, and Gestalt theory; conducted usability testing and iterative prototyping.
Designed and implemented a capital city word game prototype in C++ as part of the Further Programming and Algorithms module, with file I/O and worst-case time complexity documentation.

POSSABILITIES UK

Support / Care Worker

📍 Chester, UK · Jan 2022 – Jun 2025

▾

Collaborated with diverse teams to provide personalized assistance, developing strong communication and interpersonal skills under high-pressure, time-critical conditions.
Demonstrated adaptive problem-solving and empathy-driven approaches, managing multiple responsibilities to ensure efficient and effective service delivery.

NODES PROJECTS & INFRASTRUCTURE

🔪

BLADE — FOUNDER

Mobile platform for anonymous knife disposal via QR-code-accessed Blade Bins. Includes educational resources and community engagement for public safety impact. Active since 2024.

PythonReactFlutterMySQL2024–Present

☁️

IaC MIGRATION — TERRAFORM/TERRAGRUNT

Enterprise migration initiative updating module source references, aligning legacy AWS deployments with standardised reusable Terragrunt modules. Validated via Jenkins CI/CD pipelines.

TerraformTerragruntJenkinsAWSIaC

📊

OBSERVABILITY STACK

Configured enterprise-scale monitoring with AppDynamics and Grafana. JVM memory, CPU, I/O, and RDS alerting with automated MS Teams incident notification pipelines.

GrafanaAppDynamicsCloudWatchMS Teams API

🔐

AWS IAM & COST OPTIMISATION

Reviewed IAM policies, assumable roles, and QA environment security configurations. Cross-account cost analysis identifying high-cost services and unused cloud resources.

AWS IAMCost AnalysisSecurity HardeningCloudWatch

🏛️

MUSEUM TOUR APP + PENTEST

Charity Flutter app with full penetration testing via MobSF and Wapiti. Addressed missing HTTP headers, SQL injection vectors, and data backup exploits. ASP.NET backend.

FlutterMobSFWapitiASP.NETUnity

🎵

MUSIC ALBUM MANAGER (JAVA)

OOP-based collection manager with full serialization for persistent storage, ArrayList-backed data management, input validation, and exception handling.

JavaOOPSerializationI/O Streams

ORIGIN EDUCATION

🎓

UNIVERSITY OF CHESTER

Software Engineering BSc (Hons)

📍 Chester, United Kingdom · Sep 2022 – Oct 2027

🏫

WORD OF FAITH SECONDARY SCHOOL

Secondary School Certificate

📍 Abuja, Nigeria · Sep 2015 – May 2021

BADGES CERTIFICATIONS & HONOURS

🏆Learning Lombok: Streamlined Java Programming — LinkedIn (Oct 2024)