Jakub – React, Node.js, Java
Jakub is a strong senior full-stack engineer with deep expertise in React, Node.js, Next.js, TypeScript, and AWS, demonstrated across fintech, telecom, industrial, and compliance domains. He has led architecture and end-to-end delivery of distributed systems, emphasizing event-driven design, microservices, and secure cloud infrastructure. Screenings confirm clear communication, client-facing experience, and strong ownership of technical decisions. He is recommended for senior roles requiring both technical depth and stakeholder engagement.
18 years of commercial experience in
Main technologies
Additional skills
Direct hire
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Let’s get started today!Experience Highlights
CTO / Solution Architect / Tech Lead
Led technical strategy and architecture across multiple enterprise and SaaS engagements delivered through a consulting/software house environment. Projects spanned telecommunications platforms, industrial SaaS systems, and enterprise workflow extensions.
- Multi-channel telecommunications backoffice platform (SMS, voice, WhatsApp, email)
- Industrial digital platform with subscription billing (Stripe), workflow automation, and Kubernetes-based deployment
- Jira Service Management enterprise plugin extending core workflows
- Defined company-level technical strategy and architectural standards;
- Led backend architecture using Java (Spring, Quarkus) and Node.js;
- Oversaw frontend architecture using React and Vue.js;
- Designed cloud infrastructure and CI/CD pipelines (Azure, Kubernetes, GitHub/GitLab);
- Established coding standards and conducted architectural reviews;
- Mentored engineers and reviewed pull requests;
- Coordinated delivery across multiple product teams and stakeholders;
- Drove performance optimization and scalability improvements.
Solution Architect & Senior Full-stack Developer
A cloud-based regulatory compliance platform developed for gambling operators to manage player-related documentation, compliance workflows, and reporting obligations. The system automates document processing, identity verification workflows, and structured compliance reporting in line with industry regulations. It integrated OCR technology for extracting data from documents and supported dynamic PDF generation for regulatory documentation. The platform also included monitoring and analytics tools to track system health, operational metrics, and user behavior within a regulated environment.
- Defined overall system architecture and cloud deployment strategy on Azure;
- Led backend and frontend design decisions for a compliance-driven platform;
- Designed role-based access control and approval workflows aligned with regulatory requirements;
- Introduced OCR-based automation to reduce manual document processing;
- Established monitoring and observability standards using Grafana;
- Defined coding standards, repository structure, and deployment workflows;
- Coordinated development priorities and ensured production readiness.
Senior Full-stack Architect
A secure banking verification platform developed for financial institutions and currency exchange operators to authenticate and validate physical currency, identity documents, and compliance-related documentation. The system offered structured verification workflows, role-based access control, audit logging, and reporting tools to meet regulatory requirements and maintain operational transparency. It was designed for high-security environments, ensuring data integrity, traceability, and controlled access.
- Implemented structured verification workflows for currency and document authentication;
- Developed audit logging and reporting mechanisms to ensure regulatory compliance;
- Configured role-based access control to maintain secure operations;
- Centralized verification processes to reduce manual intervention;
- Ensured system security, data integrity, and traceability;
- Collaborated with teams to maintain high standards of operational transparency;
- Supported compliance with internal policies and external regulatory requirements.
Senior Java Developer
An IoT-based fleet monitoring platform developed to collect and process telemetry and driver behavior data from devices installed on trucks. The system integrated NVIDIA-based edge computing boards within vehicles with AWS IoT cloud infrastructure, enabling real-time data ingestion, processing, and analytics. It supported large-scale device connectivity, telemetry processing, and provided centralized fleet insights for operational optimization and safety monitoring.
- Developed real-time data ingestion and processing pipelines for vehicle telemetry;
- Integrated edge computing devices with cloud infrastructure for seamless communication;
- Implemented analytics features to monitor driver behavior and fleet performance;
- Managed large-scale device connectivity and data flow;
- Built centralized dashboards for operational insights and safety monitoring;
- Ensured reliability, scalability, and high availability of the platform;