07/02/2025 updated
100 % available
Senior Software Engineer with expertise in JavaScript, TypeScript, MEAN, MERN, Java and Spring Boot
Turku, Finland
Only remote
Master's in Software EngineeringQuery PerformanceHTMLJava (Programming Language)JavaScriptApplication Programming Interfaces (APIs)Amazon Web ServicesApplication Performance ManagementTest AutomationUnit TestingCascading Style Sheets (CSS)Cloud ComputingCode CoverageContinuous IntegrationData RetrievalDebugging
Full-stack Development
Expertise in both frontend and backend technologies including JavaScript, TypeScript, React, Node.js, and Java. Experience building scalable web applications with MEAN and MERN stacks.
Cloud & DevOps
Proficiency in AWS, CI/CD pipelines, Docker, and Kubernetes. Experience configuring microservice architecture and implementing cloud services via GitLab for optimized deployment.
Database Management
Strong knowledge of SQL, MongoDB, PostgreSQL, and database optimization techniques. Experience in improving query performance and implementing efficient data retrieval systems.
API Development
Experience in designing and optimizing RESTful APIs, restructuring JSON-based API responses, and improving API performance using Next.js and TypeScript with SSR.
Testing & Quality Assurance
Implementation of automated test tools with high coverage rates. Experience with TDD achieving 100% test coverage through comprehensive unit tests.
Frontend Technologies
Proficiency in HTML, CSS, JavaScript frameworks like React, Angular, and Vue.js. Experience in implementing best practices for coding, debugging, and testing.
Performance Optimization
Skills in boosting application performance, reducing load times, and implementing efficient page speed optimization strategies.
Expertise in both frontend and backend technologies including JavaScript, TypeScript, React, Node.js, and Java. Experience building scalable web applications with MEAN and MERN stacks.
Cloud & DevOps
Proficiency in AWS, CI/CD pipelines, Docker, and Kubernetes. Experience configuring microservice architecture and implementing cloud services via GitLab for optimized deployment.
Database Management
Strong knowledge of SQL, MongoDB, PostgreSQL, and database optimization techniques. Experience in improving query performance and implementing efficient data retrieval systems.
API Development
Experience in designing and optimizing RESTful APIs, restructuring JSON-based API responses, and improving API performance using Next.js and TypeScript with SSR.
Testing & Quality Assurance
Implementation of automated test tools with high coverage rates. Experience with TDD achieving 100% test coverage through comprehensive unit tests.
Frontend Technologies
Proficiency in HTML, CSS, JavaScript frameworks like React, Angular, and Vue.js. Experience in implementing best practices for coding, debugging, and testing.
Performance Optimization
Skills in boosting application performance, reducing load times, and implementing efficient page speed optimization strategies.
Experience
Professional experience5 - 10 years
Freelancer since2020
Languages
EnglishNative speaker
Project history
Led and contributed to multiple full-stack projects using diverse tech stack. Executed transformative projects using JavaScript, Java, React, Node.js, Spring Boot and Docker. Configured microservice architecture using AWS Lambda and Kubernetes. Implemented CI/CD pipelines and optimized API performance.
Revamped the backend of a full-stack NFT marketplace, improving transaction speed by 30% using Solidity, Hardhat, and Ethers.js. Demonstrated commitment to software quality through TDD with 100% test coverage.
Completed comprehensive advanced training in Next.js, React.js, GraphQL, Java Spring Boot and Node.js. Engineered scalable applications for B2B SaaS products. Reviewed pull requests and crafted React components with Redux for state handling.