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I'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- Employment and project experience Senior Developer Salesforce Inc. _January 2017 - March 2017_ Full-stack Developer Microsoft Inc. _January 2019 - March 2019_…I'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- Employment and project experience Senior Developer Salesforce Inc. _January 2017 - March 2017_ Full-stack Developer Microsoft Inc. _January 2019 - March 2019_

Harry Rauramo Sr.

Full Stack Developer, Web Developer, Back-End Developer, +4

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I'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- Employment and project experience Senior Developer Salesforce Inc. _January 2017 - March 2017_ Full-stack Developer Microsoft Inc. _January 2019 - March 2019_…I'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- Employment and project experience Senior Developer Salesforce Inc. _January 2017 - March 2017_ Full-stack Developer Microsoft Inc. _January 2019 - March 2019_

Available to hire

Oulu, Finland

I’m a developer who specializes in… from…

Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it.

Employment and project experience

Senior Developer Salesforce Inc.
January 2017 - March 2017

Full-stack Developer Microsoft Inc.
January 2019 - March 2019

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Aragonese

Fluent

English

Fluent

Work Experience

Sr Software Engineer at Parallel Finance

July 1, 2025 - September 26, 2025

Led the design and implementation of scalable backend systems handling millions of API requests per day, achieving 99% uptime. Collaborated with cross-functional teams to deliver user-centric features that improved customer satisfaction. Optimized database architecture and queries, reducing latency by 40% and resolving key scaling issues. Built real-time data pipelines on AWS (SQS, Lambda, Kinesis) to support analytics and monitoring across distributed services. Established robust CI/CD pipelines with GitLab, Kubernetes, and AWS, reducing release cycles from weekly to daily. Mentored junior engineers, conducted code reviews, and championed best practices in clean architecture, testing, and DevOps. Drove migration from monolithic architecture to microservices, cutting deployment risks and enabling faster feature delivery.

Software Developer at Algonquin AI

March 1, 2023 - September 26, 2025

Developed and maintained web applications using TypeScript, Next.js, Node.js, Nest.js, Prisma ORM. Designed and implemented RESTful APIs that supported seamless integration with third-party services. Optimized SQL queries and database schemas, resulting in 30% faster data retrieval. Contributed to building automated test suites and improved code coverage, reducing production bugs by 20%. Worked closely with designers and product managers to translate business requirements into technical solutions. Collaborated in Agile/Scrum teams and assisted in setting up CI/CD pipelines to streamline deployment and ensure reliable releases.

Full-stack developer at CopperBirch IT

July 1, 2021 - September 26, 2025

Implemented various kinds of digital wallets that support multiple payment methods, including credit/debit cards, bank transfers, mobile wallets, and cryptocurrencies. Built and maintained web applications with a focus on performance and user experience, collaborating with cross-functional teams to deliver features on time.

Sr Software Engineer at Parallel Finance

July 1, 2025 - September 26, 2025

Led the design and implementation of scalable backend systems handling millions of API requests per day, ensuring 99% uptime. Collaborated with cross-functional teams (designers, product managers, QA) to deliver user-centric features that improved customer satisfaction. Optimized database architecture and queries, reducing latency by 40% and resolving key scaling issues. Built real-time data pipelines on AWS (SQS, Lambda, Kinesis) to support analytics and monitoring across distributed services. Established robust CI/CD pipelines with GitLab, Kubernetes, and AWS, reducing release cycles from weekly to daily. Mentored junior engineers, conducted code reviews, and championed best practices in clean architecture, testing, and DevOps. Drove migration from monolithic architecture to microservices, cutting deployment risks and enabling faster feature delivery.

Software Developer at Algonquin AI

March 1, 2023 - September 26, 2025

Developed and maintained web applications using JavaScript, React, and Node.js; designed RESTful APIs; optimized SQL queries; automated test suites; improved code coverage and reduced production bugs. Worked with designers and product managers to translate business requirements into technical solutions; participated in Agile/Scrum; assisted in setting up CI/CD pipelines to streamline deployment and ensure reliable releases.

Full-stack Developer at CopperBirch IT

July 1, 2021 - September 26, 2025

Implemented various kinds of digital wallets supporting multiple payment methods (credit/debit cards, bank transfers, mobile wallets, or cryptocurrencies).

Sr Software Engineer at Parallel Finance

July 31, 2025 - September 26, 2025

Led the design and implementation of scalable backend systems handling millions of API requests per day, achieving 99% uptime. Collaborated with cross-functional teams to deliver user-centric features that improved customer satisfaction. Optimized database architecture and queries, reducing latency by 40% and resolving key scaling issues. Built real-time data pipelines on AWS (SQS, Lambda, Kinesis) for analytics and monitoring across distributed services. Established robust CI/CD pipelines with GitLab, Kubernetes, and AWS, reducing release cycles from weekly to daily. Drove migration from monolithic to microservices, cutting deployment risks and enabling faster feature delivery. Mentored junior engineers and promoted clean architecture, testing, and DevOps best practices.

Software Developer at Algonquin AI

March 31, 2023 - September 26, 2025

Developed and maintained web applications using JavaScript, React, and Node.js, improving site performance and user experience. Designed and implemented RESTful APIs, optimized SQL queries and database schemas, resulting in 30% faster data retrieval. Contributed to automated test suites and improved code coverage, reducing production bugs by 20%. Worked closely with designers and product managers to translate business requirements into technical solutions. Collaborated in Agile/Scrum, participating in sprint planning, daily stand-ups, and code reviews. Assisted in setting up CI/CD pipelines to streamline deployment and ensure reliable releases.

Full-stack developer at CopperBirch IT

July 31, 2021 - September 26, 2025

Implemented various kinds of digital wallets that support multiple payment methods, such as credit/debit cards, bank transfers, mobile wallets, or cryptocurrencies. Technologies included TypeScript, Next.js, Node.js, Nest.js, PostgreSQL, Redis, Prisma ORM.

Full-stack developer at Freelancer

March 31, 2018 - September 26, 2025

Built and maintained responsive web applications using React, JavaScript (ES6+), HTML5, and CSS3. Translated UI/UX wireframes into interactive experiences, improved page performance by 30% through code optimization and lazy loading, and integrated RESTful APIs and GraphQL endpoints. Implemented state management (Redux, Context API), wrote unit/integration tests with Jest and React Testing Library, and contributed to Agile ceremonies and code reviews.