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I am a Senior Developer with extensive experience working across start-ups, mid-sized companies, and enterprise environments. Skilled in JavaScript, React, TypeScript, and Python, I focus on delivering scalable, high-performance applications tailored to business needs. Currently, I am seeking a Senior Frontend or Full Stack Developer role where I can leverage my expertise to build innovative and efficient software solutions. I am passionate about mentoring and continuously exploring emerging technologies such as Generative AI and LLM integration.…I am a Senior Developer with extensive experience working across start-ups, mid-sized companies, and enterprise environments. Skilled in JavaScript, React, TypeScript, and Python, I focus on delivering scalable, high-performance applications tailored to business needs. Currently, I am seeking a Senior Frontend or Full Stack Developer role where I can leverage my expertise to build innovative and efficient software solutions. I am passionate about mentoring and continuously exploring emerging technologies such as Generative AI and LLM integration.

Yakup Keskindag

AI Engineer, AI Developer, Full Stack Developer

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I am a Senior Developer with extensive experience working across start-ups, mid-sized companies, and enterprise environments. Skilled in JavaScript, React, TypeScript, and Python, I focus on delivering scalable, high-performance applications tailored to business needs. Currently, I am seeking a Senior Frontend or Full Stack Developer role where I can leverage my expertise to build innovative and efficient software solutions. I am passionate about mentoring and continuously exploring emerging technologies such as Generative AI and LLM integration.…I am a Senior Developer with extensive experience working across start-ups, mid-sized companies, and enterprise environments. Skilled in JavaScript, React, TypeScript, and Python, I focus on delivering scalable, high-performance applications tailored to business needs. Currently, I am seeking a Senior Frontend or Full Stack Developer role where I can leverage my expertise to build innovative and efficient software solutions. I am passionate about mentoring and continuously exploring emerging technologies such as Generative AI and LLM integration.

Available to hire

I am a Senior Developer with extensive experience working across start-ups, mid-sized companies, and enterprise environments. Skilled in JavaScript, React, TypeScript, and Python, I focus on delivering scalable, high-performance applications tailored to business needs.

Currently, I am seeking a Senior Frontend or Full Stack Developer role where I can leverage my expertise to build innovative and efficient software solutions. I am passionate about mentoring and continuously exploring emerging technologies such as Generative AI and LLM integration.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

Work Experience

AVP, Senior Developer (JavaScript, TypeScript) at Citibank

April 1, 2023 - Present

Led the development and maintenance of a Traders Desktop application used by Citi trading teams globally. Resolved critical production issues and ensured system stability by collaborating with backend developers, traders, and stakeholders. Delivered new features across regions (EMEA, NAM, APAC), which enhanced platform functionality and user adoption. Authored clear technical documentation improving onboarding and cross-team knowledge sharing.

Software Engineer (JavaScript & Python) at BP

July 1, 2022 - September 3, 2025

Worked in the Data Science and AI department focusing on UI development using Palantir Analytics Dashboard. Collaborated closely with data scientists, AI engineers, backend developers, and business analysts to design data visualization applications for senior stakeholders. Built Python and JavaScript dashboards to improve data insight and reporting efficiency for energy trading teams. Developed backend services with FastAPI and SQL supporting large-scale data pipelines. Produced onboarding guides and technical documentation to accelerate cross-team adoption.

Senior UI Developer (JavaScript, HTML5, CSS3, REST API) at Virgin Media

June 1, 2019 - September 3, 2025

Redesigned and modernized the Virgin Business Portal managing large-scale network data using JavaScript, HTML5, and CSS3. Integrated front-end components with backend Java Spring REST APIs ensuring seamless data flow and system stability. Collaborated with UX designers, project managers, and business stakeholders to align solutions with business requirements. Ensured accessibility compliance enhancing the user experience for a broad customer base.

Automation Developer (JavaScript, Python) at SKY

June 1, 2018 - September 3, 2025

Developed and maintained automation testing solutions for SKY products including Sky Q and NOW TV set-top boxes. Built and supported a stress testing dashboard using Django REST API, JavaScript, and jQuery to improve quality assurance efficiency. Collaborated with manual testers and project managers to integrate automated testing workflows. Provided training and guidance on automation tools to testers and non-technical staff.

Web Developer (Contractor) at Sanli Digital

June 1, 2016 - September 3, 2025

Contracted through own company delivering front-end and full-stack web applications for clients including KPMG, SapientNitro, WeSwap, and FlixMedia. Built responsive dashboards, enterprise UI components, and client-facing web apps using JavaScript, jQuery, HTML5/CSS3, and REST APIs.