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I’m a senior full-stack engineer with deep experience in building scalable, high-performance web applications. Over the years I’ve led end-to-end development across modern JavaScript/TypeScript stacks, specializing in React, Node.js, Next.js, and cloud-based architectures. I’ve worked with startups and enterprise teams to ship reliable, user-focused products, improve system performance, and streamline development workflows. I stand out for my ability to own complex features, communicate clearly, and deliver clean, maintainable solutions that move businesses forward.…I’m a senior full-stack engineer with deep experience in building scalable, high-performance web applications. Over the years I’ve led end-to-end development across modern JavaScript/TypeScript stacks, specializing in React, Node.js, Next.js, and cloud-based architectures. I’ve worked with startups and enterprise teams to ship reliable, user-focused products, improve system performance, and streamline development workflows. I stand out for my ability to own complex features, communicate clearly, and deliver clean, maintainable solutions that move businesses forward.

Anders Christian David Johnson

Full Stack Developer, Web Developer, Programmer, +3

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I’m a senior full-stack engineer with deep experience in building scalable, high-performance web applications. Over the years I’ve led end-to-end development across modern JavaScript/TypeScript stacks, specializing in React, Node.js, Next.js, and cloud-based architectures. I’ve worked with startups and enterprise teams to ship reliable, user-focused products, improve system performance, and streamline development workflows. I stand out for my ability to own complex features, communicate clearly, and deliver clean, maintainable solutions that move businesses forward.…I’m a senior full-stack engineer with deep experience in building scalable, high-performance web applications. Over the years I’ve led end-to-end development across modern JavaScript/TypeScript stacks, specializing in React, Node.js, Next.js, and cloud-based architectures. I’ve worked with startups and enterprise teams to ship reliable, user-focused products, improve system performance, and streamline development workflows. I stand out for my ability to own complex features, communicate clearly, and deliver clean, maintainable solutions that move businesses forward.

Available to hire

I’m a senior full-stack engineer with deep experience in building scalable, high-performance web applications. Over the years I’ve led end-to-end development across modern JavaScript/TypeScript stacks, specializing in React, Node.js, Next.js, and cloud-based architectures. I’ve worked with startups and enterprise teams to ship reliable, user-focused products, improve system performance, and streamline development workflows. I stand out for my ability to own complex features, communicate clearly, and deliver clean, maintainable solutions that move businesses forward.

Skills

Experience Level

Expert

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Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Full Stack Engineer, Team Lead at Linqto

July 31, 2025 - July 31, 2025

Led a distributed team of 8 engineers to architect and scale Mintyn’s next-generation digital banking platform serving 500K+ users. Directed frontend strategy with React JS, Next.js, and TypeScript; achieved a 98% Lighthouse performance and accessibility score. Designed Node.js microservices for payments, onboarding, and transaction management with PostgreSQL; handled 5M+ monthly requests. Implemented AI-driven fraud analytics with Python FastAPI and OpenAI embeddings, reducing false positives by 35%. Automated CI/CD with Jenkins and GitHub Actions; improved release cadence by 70% and reliability. Strengthened security with AWS Cognito, IAM, and end-to-end TLS.

Senior Full Stack Engineer at Erie Insurance Group

October 31, 2022 - October 31, 2022

Modernized the insurer’s ERP platform; migrated legacy systems to AWS Lambda and RDS, boosting reliability 3x while cutting operational costs by 30%. Built modular UI components with Next.js to unify design systems; developed fraud prediction pipelines in Python (Pandas + TensorFlow) increasing claim approval accuracy by 20%. Implemented secure authentication via AWS Cognito and JWT with RBAC. Designed asynchronous workflows with Celery and Redis; deployed Dockerized CI/CD via CodeBuild/CodeDeploy for zero-downtime releases. Added automated tests with Jest and Cypress, improving QA stability.

Web Developer & Programmer Analyst at Jostens

December 31, 2016 - December 31, 2016

Built manufacturing operations platform using React, Next.js, Node.js, and Python FastAPI for data-driven factory management. Developed real-time dashboards visualizing production metrics; created backend APIs with PostgreSQL and Redis to support thousands of concurrent transactions. Automated factory workflows with Python-based ETL pipelines; deployed to AWS (ECS, S3) with Docker for seamless delivery. Implemented IoT data ingestion modules with MQTT and WebSocket; enabled Kubernetes autoscaling and 99.9% uptime. Implemented JWT-based RBAC for secure internal usage; authored over 1,000 tests with Jest and PyTest.

Frontend Developer at HealthPartners

November 30, 2012 - November 30, 2012

Developed web-based healthcare management applications using HTML5, CSS3, JavaScript, and jQuery. Collaborated with backend Django developers to design secure patient data dashboards and appointment systems. Optimized frontend performance with lazy loading, reducing initial page load time by over 35%. Implemented form validation and real-time data sync to enhance EMR workflows; worked with designers to improve UI/UX consistency.

Senior Full Stack Engineer, Team Lead at Linqto

July 1, 2025 - July 1, 2025

Led a distributed team of 8 engineers to design and scale Mintyn’s next-generation digital banking platform serving 500K+ users. Directed frontend strategy using React 18, Next.js 14, and TypeScript; achieved a 98% Lighthouse performance and accessibility score. Designed Node.js microservices for payments, onboarding, and transaction management with PostgreSQL, handling 5M+ monthly requests. Oversaw backend optimization and containerized deployments with Docker, Kubernetes, and AWS ECS, ensuring 99.99% uptime. Implemented AI-driven fraud analytics with Python FastAPI, OpenAI embeddings, and anomaly detection, reducing false positives by 35%. Automated CI/CD pipelines with Jenkins and GitHub Actions, reducing release cycle time by 70% and improving rollout reliability. Standardized TypeScript usage with strict linting, code reviews, and test coverage >90%. Strengthened data security via AWS Cognito, IAM policies, and TLS across services. Collaborated with design, marketing, and produc

Senior Full Stack Engineer at Erie Insurance Group

October 1, 2022 - October 1, 2022

Led modernization of the company’s insurance ERP platform, building scalable frontends with React, Next.js, and robust APIs using Node.js and Django REST Framework. Migrated legacy systems to AWS Lambda and RDS, improving reliability by 3x and reducing operational costs by 30%. Built modular UI components and internal libraries with Next.js to unify design systems across multiple product lines. Developed fraud prediction pipelines in Python (Pandas + TensorFlow) that increased claim approval accuracy by 20%. Implemented secure authentication and role-based access via AWS Cognito and JWT, aligning with regulatory standards. Designed asynchronous workflow engines using Celery and Redis, cutting underwriting cycle time by 65%. Deployed and managed Dockerized CI/CD pipelines through AWS CodeBuild and CodeDeploy for zero-downtime releases. Introduced automated test suites with Jest and Cypress, reducing QA cycles and boosting release stability by 50%. Collaborated with actuaries and busin

Web Developer & Programmer Analyst at Jostens

December 1, 2016 - December 1, 2016

Built and scaled a manufacturing operations platform using React, Next.js, Node.js, and Python FastAPI for data-driven factory management. Developed real-time monitoring dashboards that visualized production metrics and equipment health, improving efficiency by 40%. Created backend APIs in Node.js integrated with PostgreSQL and Redis, supporting thousands of concurrent transactions. Automated factory workflow orchestration using Python-based ETL pipelines that reduced manual data entry by 75%. Deployed infrastructure to AWS (ECS, S3, CloudFront) and implemented CI/CD with Jenkins and Docker for seamless delivery. Introduced IoT data ingestion modules with MQTT and WebSocket support, enabling real-time sensor connectivity. Enhanced system reliability with Kubernetes autoscaling, achieving 99.9% uptime during peak operations. Built role-based authentication and access control using JWT and AWS Secrets Manager for secure internal usage. Wrote over 1,000 unit and integration tests using Je

Frontend Developer at HealthPartners

November 1, 2012 - November 1, 2012

Assisted in developing web-based healthcare management applications using HTML5, CSS3, JavaScript, and jQuery. Collaborated with backend developers using Python (Django) to design secure patient data dashboards and appointment systems. Optimized frontend performance with lazy loading, reducing initial page load time by over 35%. Implemented form validation and real-time data sync to enhance accuracy in electronic medical record (EMR) workflows. Worked with designers to improve UI/UX consistency, boosting user satisfaction among clinicians and support staff. Introduced early automated testing (Karma + Jasmine) and version control with Git, improving code reliability and team collaboration.