Aleksander Inoue - Senior Full Stack Engineer

Q: Where is Aleksander based?

Aleksander is based in Płock, Poland .

Q: What languages does Aleksander speak?

Aleksander speaks the following languages: English (Advanced), Polish (Advanced) .

Q: How many years of experience does Aleksander have?

Aleksander has at least 8 years of experience. During this time, Aleksander has worked in at least 3 different roles and for 3 different companies . The average length of individual experience is 3 years and 8 months . Note that Aleksander may not have shared all experience and actually has more experience.

Q: What is Aleksander's latest experience?

Aleksander's most recent position is Senior Full Stack Engineer at Devoteam France .

Q: What companies has Aleksander worked for in recent years?

In recent years, Aleksander has worked for Devoteam France and Netguru Poland .

Q: Which industries is Aleksander most experienced in?

Aleksander is most experienced in industries like Information Technology (IT) and Healthcare .

Q: Which business areas is Aleksander most experienced in?

Aleksander is most experienced in business areas like Information Technology (IT) , Product Development , and Quality Assurance (QA) .

Q: Which industries has Aleksander worked in recently?

Aleksander has recently worked in industries like Information Technology (IT) .

Q: Which business areas has Aleksander worked in recently?

Aleksander has recently worked in business areas like Information Technology (IT) , Product Development , and Quality Assurance (QA) .

Recommended expert

Płock, Poland

Experience

Jun 2022 - Oct 2025

3 years 5 months

Senior Full Stack Engineer

Devoteam France

Architected real-time collaboration platforms using React, Next.js, TypeScript, WebSockets, and Y.js, enabling 200+ concurrent users with live state synchronization.
Designed microservices in Java, .NET Core, and Python for multi-tenant content management and scalable REST/GraphQL APIs.
Engineered a media-processing pipeline on AWS (Lambda, CloudFront, FFmpeg, S3), improving throughput by 60% and reliability across 500K+ assets weekly.
Deployed Kubernetes-based infrastructure with auto-scaling, service discovery, and CI/CD using Terraform and GitHub Actions.
Integrated real-time analytics pipelines via Kafka, Segment, and Amplitude, boosting campaign insights by 20%.
Developed serverless backend modules using Node.js and FastAPI, reducing latency and operational cost.
Implemented end-to-end testing automation (Cypress, Playwright, Selenium) for continuous deployment validation.
Led and mentored a team of 6 engineers, establishing standards for code quality, DevOps workflows, and security policies (SonarQube, GuardDuty).
Partnered with design and DevOps teams to deliver cross-platform solutions with optimized React UIs and robust API integrations.

Jun 2019 - Apr 2022

2 years 11 months

Full Stack Engineer

Netguru Poland

Built scalable frontends in React, Next.js, and TypeScript integrated with Node.js and NestJS APIs, achieving 60% performance improvements.
Designed and maintained RESTful and GraphQL APIs for real-time design collaboration, caching, and user management.
Implemented microservices architecture with Docker and Kubernetes, ensuring modular deployment and rapid scaling.
Developed data visualization and analytics dashboards using D3.js and React, improving design team productivity by 35%.
Automated CI/CD pipelines (GitHub Actions, CircleCI) to deploy front and backend seamlessly across environments.
Introduced testing frameworks (Cypress, Playwright, Jest) ensuring regression-free releases.
Collaborated with UX teams using Figma and Storybook to achieve pixel-perfect, responsive interfaces.
Optimized API performance through Redis caching and database indexing (PostgreSQL, MongoDB).
Mentored developers and introduced coding standards, reducing bugs by 40% and onboarding time by 30%.

Sep 2017 - May 2019

1 year 9 months

Backend Engineer

Merixstudio Poland

Built HIPAA-compliant telehealth backends in Node.js, Python, and Express with encrypted data handling.
Integrated Twilio WebRTC video and WebSocket messaging, supporting over 10,000 secure sessions yearly.
Created role-based authentication (OAuth2, JWT) systems ensuring GDPR and healthcare compliance.
Designed serverless analytics using AWS Lambda and DynamoDB, enabling instant reporting and real-time tracking.
Developed admin portals and HR automation systems, reducing manual effort by 45%.
Enhanced backend scalability using Docker and Kubernetes with 99.95% uptime.
Established monitoring pipelines via CloudWatch and Elastic Stack, ensuring fast issue resolution.
Implemented CI/CD pipelines (Jenkins, GitHub Actions) for automated deployment and testing.
Collaborated with frontend teams (React, Angular) to build consistent, data-driven experiences.

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (8 years) and Healthcare (1.5 years).

Information Technology

Healthcare

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (8 years), Product Development (8 years), and Quality Assurance (6 years).

Information Technology

Product Development

Quality Assurance

Summary

Senior Full Stack Engineer with 8+ years of experience designing and scaling high-performance web and cloud platforms across SaaS, real-time collaboration, and healthcare industries. Skilled in modern frontend frameworks (React, Next.js, TypeScript) and backend technologies (Node.js, Java, Python), with a strong foundation in microservices, DevOps automation, and cloud architecture on AWS and Azure. Proven track record in leading engineering teams, optimizing system reliability, and delivering robust, scalable software solutions.

Skills

Frontend: React, Next.js, Angular, Vue.js, Typescript, Tailwind Css, Material Ui, Redux, Zustand, D3.js, Storybook, Figma
Backend: Java, Spring Boot, .Net Core, Node.js, Express, Nestjs, Python, Django, Fastapi, Go, Php, Laravel
Architecture & Apis: Rest, Graphql, Microservices, Serverless, Event-driven Systems, Oauth2, Jwt, Kafka, Rabbitmq
Devops & Cloud: Aws (Lambda, Ecs, Cloudfront, Ec2, Rds), Azure, Docker, Kubernetes, Terraform, Github Actions, Jenkins
Databases: Postgresql, Mysql, Mongodb, Redis, Dynamodb
Testing & Ci/cd: Cypress, Playwright, Selenium, Tdd, Github Actions, Circleci

Languages

English

Advanced

Polish

Advanced

Education

Sep 2012 - Aug 2017

DSW University of Lower Silesia

Bachelor of Science in Computer Applications · Computer Applications · Wrocław, Poland

Profile

Created

November 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Aleksander based?

Aleksander is based in Płock, Poland.

What languages does Aleksander speak?

Aleksander speaks the following languages: English (Advanced), Polish (Advanced).

How many years of experience does Aleksander have?

Aleksander has at least 8 years of experience. During this time, Aleksander has worked in at least 3 different roles and for 3 different companies. The average length of individual experience is 3 years and 8 months. Note that Aleksander may not have shared all experience and actually has more experience.

What roles would Aleksander be best suited for?

Based on recent experience, Aleksander would be well-suited for roles such as: Senior Full Stack Engineer, Full Stack Engineer, Backend Engineer.

What is Aleksander's latest experience?

Aleksander's most recent position is Senior Full Stack Engineer at Devoteam France.

What companies has Aleksander worked for in recent years?

In recent years, Aleksander has worked for Devoteam France and Netguru Poland.

Which industries is Aleksander most experienced in?

Aleksander is most experienced in industries like Information Technology (IT) and Healthcare.

Which business areas is Aleksander most experienced in?

Aleksander is most experienced in business areas like Information Technology (IT), Product Development, and Quality Assurance (QA).

Which industries has Aleksander worked in recently?

Aleksander has recently worked in industries like Information Technology (IT).

Which business areas has Aleksander worked in recently?

Aleksander has recently worked in business areas like Information Technology (IT), Product Development, and Quality Assurance (QA).

What is Aleksander's education?

Aleksander holds a Bachelor in Computer Applications from DSW University of Lower Silesia.

What is the availability of Aleksander?

Aleksander is immediately available full-time for suitable projects.

What is the rate of Aleksander?

Aleksander's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.