Oleksandr Leushchenko

Director of Engineering

Kharkiv, Kharkiv, Ukraine17 yrs 5 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Expert in scaling high-impact engineering teams.
Google Developer Expert in Flutter and Dart.
Strong focus on sustainable team growth and delivery.

Stackforce AI infers this person is a Fintech expert with a strong focus on mobile architecture and cross-platform development.

Contact

Skills

Core Skills

Engineering LeadershipMobile ArchitectureCross-platform DevelopmentTeam Leadership

Other Skills

Engineering ManagementTeam Scaling & MentorshipMentorshipContinuous ImprovementQuality StandardsLearning ProgramsQuality AssuranceCommunity BuildingTechnical OwnershipCI/CDC/Java DevelopmentC/C++ DevelopmentIT StrategyContinuous Integration and Continuous Delivery (CI/CD)Public Speaking

About

I’m an Engineering Leader with a strong background in cross-platform mobile development and large-scale mobile-first systems. Over the years, I’ve helped teams design, scale, and maintain complex mobile solutions, balancing technical quality with business goals and long-term delivery. I care deeply about clarity, sustainable velocity, and helping engineers grow into strong, autonomous teams that can ship with confidence.

Experience

17 yrs 5 mos

Total Experience

4 yrs 4 mos

Average Tenure

4 yrs 5 mos

Current Experience

Tide

2 roles

Engineering Manager

Aug 2024 – Present · 1 yr 9 mos

Leading a team responsible for core mobile platform capabilities and user engagement.
Focusing on delivery predictability, technical excellence, and sustainable team growth.
Supporting engineers’ career development through mentoring, feedback, and clear growth expectations.
Partnering closely with product and stakeholders to balance speed, quality, and long-term platform health.
Shaping technical direction and standards across teams to reduce complexity and increase leverage.

Engineering LeadershipEngineering ManagementMobile ArchitectureTeam Scaling & Mentorship

Senior Staff Engineer

Dec 2021 – Aug 2024 · 2 yrs 8 mos

Acted as a technical leader across multiple teams, shaping architecture and platform decisions for a large-scale mobile fintech product.
Established architectural standards and review practices to ensure scalability, security, and maintainability.
Mentored senior and staff engineers, growing internal technical leadership and reducing single points of failure.
Collaborated closely with Product, QA, and Operations to align technical decisions with business and delivery goals.
Drove continuous improvement of development practices, tooling, and quality across the mobile organization.

Mobile ArchitectureCross-platform DevelopmentMentorshipContinuous Improvement

Ciklum

4 roles

Head of Mobile Stack

Promoted

Apr 2018 – Nov 2021 · 3 yrs 7 mos

Led the mobile engineering discipline across the organization, coordinating tech leads and setting shared technical direction.
Defined and enforced engineering standards, quality targets, and delivery practices across multiple teams.
Introduced new methodologies and tools, raising the overall maturity of mobile development.
Acted as a mobile technology advisor during presales and client engagements.
Built internal learning programs and knowledge-sharing initiatives to scale expertise and leadership.

Mobile ArchitectureTeam LeadershipQuality StandardsLearning Programs

Mobile Technical Lead

Jan 2017 – Apr 2018 · 1 yr 3 mos

Led cross-functional mobile teams across iOS, Android, and cross-platform stacks while remaining hands-on where it added the most value.
Owned the competency development framework for mobile engineers, including assessment, learning paths, certification, and community building.
Aligned individual growth plans with organizational strategy, balancing personal development with business needs.
Introduced a shared quality approach across mobile teams, including engineering practices, shared services, and technical audits.
Acted as a bridge between engineers, management, and delivery stakeholders to ensure clarity and execution.

Cross-platform DevelopmentQuality AssuranceCommunity Building

Xamarin Lead Developer

Promoted

Nov 2012 – Dec 2016 · 4 yrs 1 mo

Led development of cross-platform mobile applications across iOS, Android, and Windows ecosystems.
Served as technical owner and chief reviewer, setting coding standards and guiding architectural decisions.
Coached and mentored engineers, focusing on quality, maintainability, and sustainable delivery.
Improved and automated internal processes including CI pipelines, metrics, and development workflows.
Participated in hiring, interviews, estimations, workshops, and client-facing technical discussions.
Supported clients with high-level architecture decisions and technology evaluations.

Cross-platform DevelopmentTechnical OwnershipCI/CD

Cross-platform Mobile Developer

Jul 2012 – Nov 2012 · 4 mos

Joined as a cross-platform mobile developer and contributed to early-stage mobile projects in a fast-evolving technology landscape.
Worked with emerging cross-platform frameworks, laying the foundation for later leadership in Xamarin and Flutter ecosystems.
Delivered production features for consumer-facing applications under tight timelines.

Cross-platform Development

Isd

C/Java Developer

Aug 2009 – Jun 2012 · 2 yrs 10 mos

Developed and maintained software systems for medical institutions, operating in highly regulated environments.
Contributed to system architecture, requirements analysis, code reviews, and technical documentation.
Worked on mission-critical systems including blood bank management, donor systems, and medical databases.
Gained early experience balancing correctness, reliability, and real-world constraints.

C/Java Development

Laboratory of complex technologies

C/C++ Developer

Jun 2007 – Aug 2007 · 2 mos

Designed and implemented a pattern recognition module for an industrial system.
Worked independently as a contract developer, delivering a complete solution within a short engagement.

C/C++ Development

Santex

Designer

May 2004 – Apr 2005 · 11 mos

Worked as a designer for an advertising magazine, collaborating directly with clients.
Gained early experience in communication, feedback cycles, and translating abstract ideas into concrete outcomes.