Full-Stack Engineering
Architecting robust web applications using C#, ASP.NET Core, React, and Next.js with clean, maintainable code.
.png&w=3840&q=75)
Dev
✦ Full Stack Developer
Crafting digital solutions thatdrive real impact.
I'm Ian Owino Otieno — passionate about building secure, scalable enterprise applications, financial systems, and modern web experiences that matter.
C#ASP.NET CoreSQL ServerReactREST APIsNext.js
✦ About Me
Engineering solutions thatdrive business growth.
I thrive at the intersection of software engineering and business strategy, turning complex operational challenges into elegant, scalable solutions.
From financial systems and enterprise applications to modern web interfaces, I build technology that delivers measurable value — with a focus on clean code, robust security, and seamless user experiences.
View my journey4+
Years of software engineering experience
Fintech
Specialized in financial systems
API-first
Backend & integration architecture
Full Stack
End-to-end development expertise
Data Architecture
Designing optimized SQL Server databases, stored procedures, and REST APIs that power seamless business operations.
Security-First Development
Implementing enterprise-grade authentication, authorization, and validation protocols to protect sensitive data.
Business Process Automation
Translating complex operational requirements into intuitive, scalable software that drives efficiency.
Services
I provide comprehensive software solutions tailored to your specific needs
Development
Creating robust and scalable applications
Full-Stack Web Development
I build end-to-end web applications, managing both frontend and backend development with technologies like Django, Flask, ASP.NET, React, and Next.js.
React
Next.js
Flask
Django
ASP.NET
Backend Development
I create secure, efficient APIs and server-side logic with Django, Flask, and ASP.NET Core, suitable for various applications like web, mobile, and IoT.
API Design
Django
Flask
ASP.NET Core web services
Frontend Development
I develop engaging and responsive UIs using React and Next.js, creating user-friendly interfaces and implementing modern design practices.
React
Next.js
UI/UX
Responsive Design
MY EXPERTISE
Technical & Professional Skills
A comprehensive toolkit spanning enterprise development, modern frameworks, and the soft skills that drive successful teams.
🛠️
Technical Skills
(15 skills)C#
ExpertAdvanced proficiency with LINQ, async/await, and enterprise design patterns
ASP.NET Core
ExpertBuilding scalable web APIs and MVC applications with modern .NET
Microsoft SQL
ExpertComplex queries, stored procedures, and performance optimization
React
AdvancedBuilding interactive UIs with hooks, context API, and state management
TypeScript
AdvancedType-safe JavaScript development with interfaces and generics
Python
AdvancedData processing, automation, and web development with modern Python
JavaScript
ExpertES6+, async/await, DOM manipulation, and functional programming
RESTful APIs
ExpertDesigning secure, documented, and scalable REST APIs
Git
ExpertBranching strategies, merge conflict resolution, and team workflows
PostgreSQL
AdvancedAdvanced querying, indexing, and performance tuning
Azure DevOps
AdvancedCI/CD pipelines, release management, and agile planning
Docker
IntermediateContainerization, multi-container applications, and deployment
Django
AdvancedFull-stack web development with ORM, admin, and authentication
Microservices
AdvancedService-oriented architecture and inter-service communication
Tailwind CSS
AdvancedUtility-first styling with responsive and custom designs
🤝
Soft Skills
(9 skills)The interpersonal abilities that complement technical expertise and drive team success.
Leadership
Guiding teams toward shared goals with clarity and empathy
Problem Solving
Analytical thinking to identify root causes and craft effective solutions
Communication
Translating technical concepts for diverse stakeholders clearly
Collaboration
Cross-functional teamwork to deliver exceptional results
Adaptability
Quickly embracing new technologies and changing requirements
Strategic Thinking
Long-term vision balanced with practical execution
Mentorship
Fostering growth and knowledge sharing within teams
Decision Making
Data-driven decisions with calculated risk assessment
Emotional Intelligence
Building strong relationships through empathy and awareness
15
Technical Skills
9
Soft Skills
85%
Average Proficiency
9
Categories
Work Experience
My professional journey building robust enterprise solutions.
Software Development
May 2025 - Present
1 year 2 months
Software Developer BRNET
Craftsilicon
Nairobi, Kenya
C#JavaScriptASP.NET CoreMicrosoft SQLSCRUMWeb APIs
- Developed BRUtility system for tracking SQL and Posting unbalanced transactions and generating report for Imarisha Sacco and Guardian Bank.
- Created web APIs for Clearing system that handles cheque process for Kingdom bank.
- Integrated Payment process to Core banking system for Ministry of Planning Tanzania.
- Created endpoints for Loan on phone Application.
Sep 2023 - May 2025
1 year 8 months
Software Developer
Fintech Group Kenya
Nairobi, Kenya
C#JavaScriptASP.NET CoreVB.NETNext.JSMicrosoft SQLSCRUMWeb APIs
- Enhanced and integrated loan and SACCO fintech systems using ASP.NET Core to support scalable distributed system components, improving operational efficiency by 20%.
- Optimized the LeasPAC leasing system for NCBA Bank Kenya, National Bank of Malawi, and Centenary Bank Uganda by refining micro-services based architecture, increasing client satisfaction by 25%.
- Conducted peer code reviews and led technical design sessions to elevate code quality and promote reusable patterns across cross-functional teams.
- Facilitated Agile sprints, managed user acceptance testing (UAT), and ensured effective issue resolution throughout the software development lifecycle.
Mar 2023 - Aug 2023
5 months
Software Developer Trainee
Fintech Group Kenya
Nairobi, Kenya
C#ASP.NET CoreMicrosoft SQLAzure DevOpsSCRUM
- Designed and developed Fintech Finmetrics monitoring and Evoucher grant management systems, enhancing system reliability and user satisfaction by 25% and 40%, respectively.
- Enhanced the Fintech LeasePac system by applying principles of object-oriented design and scalable architectures, contributing to a 30% reduction in client complaints.
- Utilized Azure DevOps to streamline project tracking and support a secure deployment pipeline, increasing team productivity by 20%.
- Collaborated within Agile workflows to conduct thorough testing, resolve reported issues, and engage in cross-functional communication for continuous improvement.
Nov 2022 - Feb 2023
3 months
Software Developer Intern
Fintech Group Kenya
Nairobi, Kenya
ASP.NET CoreC#BootstrapOracleSCRUM
- Upgraded Fintech Citibank Credit Workflow System with performance improvements (25%) and UI modernization using Bootstrap 5, boosting user engagement by 30%.
- Performed thorough testing, reducing system bugs by 40%, and documented best practices for maintainability.
Other Experience
Aug 2020 - Jun 2021
10 months
Data Entry Specialist
Atlantis
Nairobi, Kenya
- Ensured data accuracy across systems, reducing input errors by 20% and enhancing overall data quality by 35%.
- Streamlined data entry workflows and developed procedural guidelines to improve team efficiency.
- Provided training for new team members on tools and best practices, increasing output consistency.
May 2019 - Jul 2019
2 months
Attaché
Ministry of Devolution and Asal areas State Department of Intergovernmental Relations
Nairobi, Kenya
- Audited and evaluated County Governments' operations, improving governance efficiency by 20%.
- Coordinated compliance reviews across multiple agencies to align with regulatory standards.
- Prepared analytical reports and presented actionable governance recommendations to senior stakeholders.
Selected work
Projects with a purpose.
A selection of enterprise and personal projects showing how I approach product, backend, data and interface problems.
Full Stack
Travel & Booking
Frontend
Personal Brand
Full Stack
News Aggregation
Frontend
Developer Tools
Full Stack
Community Platform
Django Neighbourhood
Full Stack Developer
A neighborhood information app developed with Django, Bootstrap, HTML, and CSS.
DjangoPythonBootstrapPostgreSQL
- User registration
- Business listings
- Neighborhood posts
- Profile management
Frontend
Inspirational Quotes
Quotes-App
Frontend Developer
An Angular CLI application that displays quotes, allows users to input new quotes, upvote, downvote, and delete them.
AngularTypeScriptHTML5CSS3
- Quote creation
- Upvote/Downvote
- Delete functionality
- Quote display
Education
Academic Background
Professional Certificate, Software Engineering
Moringa School
Nov 2021 - May 2022
Specialized in Python, Flask, Django, PostgreSQL, JavaScript, and React.
View Certificate
Bachelor of Science, Public Administration and Leadership
Jomo Kenyatta University of Agriculture and Technology
Aug 2016 - Nov 2020
GPA: Second Class Honours (Upper Division)
View Certificate
Primary School Education
St. Joseph Ugana Primary School
Jan 2004 - Nov 2011
Mean Grade: B+
Licenses & Certifications
Continuous learning and professional development achievements.
