Konstantin Saposnitsenko

Product Engineer @Wise

Estonia✔️ ITBackend DeveloperFrontend DeveloperProject ManagerWeb Developer

🚀 Full-Stack Software Engineer with over 5 years of experience. I've built a strong foundation in backend development and have a knack for crafting scalable solutions. Graduated from Tallinn University of Technology, my experience ranges from startups to well-known firms, understanding the unique demands of each. 🔧 With expertise in Java, Node.js, and Go, I've played pivotal roles in developing durable and efficient products. My dedication to producing quality code seamlessly aligns with the technical and business aspects of projects. 🤝 Teamwork is central to my approach. Whether it's designing the architecture for complex systems or refining backend infrastructure for product features, I value the synergy of working with diverse teams. Together, we turn challenges into measurable outcomes. 🌱 I'm always eager to explore new tech landscapes, ensuring I stay updated with the latest innovations. Building for me is more than just coding—it's about making a meaningful impact, one line at a time.

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Work Background

WiseProduct Engineer

Mar. 2023Tallinn, Harjumaa, EstoniaAt Wise, my role focuses on the core transfer and payout domain, essential for handling the company's transactions. Responsibilities include: • Designing, implementing and monitoring features within the transfer and payout domains. • Participating in product planning and shaping the domain's direction. • Collaborating with stakeholders to understand their requirements. • Managing on-call rotations to ensure service reliability. • Coordinating our team's contributions to projects meeting audit requirements. • Contributing to the migration of major flows from the monolith to standalone services.

Topos NetworkSenior Software Engineer

Feb. 2022 - Mar. 2023Tallinn, Harjumaa, EstoniaAt Topos Network, I played a key role in designing and architecting the next phase of our Core Banking system. I collaborated closely with the product team, ensuring the project stayed aligned with its goals.

Starship TechnologiesSoftware Engineer

Mar. 2021 - Feb. 2022Tallinn, EstoniaWas part of internal tooling team as a first backend engineer there. • Enhanced scalability, refactored, and added new features to existing services. • Developed the backend for in-house customer support tools.

PipedriveSoftware Engineer

Jan. 2020 - Mar. 2021At Pipedrive, I was part of the product team building and enhancing our CRM with email and calendar integrations. • Was part of project of designing, building and launching our in-house calendar sync system which is used daily by tens of thousands of customers; • Designed a multi-tenant throttling system for Apache Kafka; • Initiated and contributed to company-wide Go libraries, now essential for various different product teams; • Participated in on-call rotation.

PipedriveJunior Software Engineer

Aug. 2019 - Dec. 2019Estonia

DevtailorSoftware Engineer

Apr. 2019 - Aug. 2019Contributed to the development of diverse MVPs and projects across web, mobile, and machine learning platforms for various clients.