Portfolio / CV

Jasmin
Keler

Engineering Manager  ·  Technical Leader  ·  Malmö, Sweden

0
Years Experience
0
Engineers Scaled
0
System Uptime
0
Throughput Increase

Results-oriented Engineering Manager with a proven track record of building high-performance teams, driving architectural modernisation, and delivering mission-critical systems at scale. Expert in aligning technical strategy with business objectives.

LinkedIn jasmin.keler
Location Malmö, Sweden
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June 2023
— Present
Copenhagen, DK
ZeroNorth
Senior Software Architect / Technical Lead
  • Modernised legacy monolithic systems to an event-driven microservices architecture (EDA), resulting in a 30% increase in deployment frequency and reduced technical debt.
  • Led engineering implementation of ML/AI voyage optimisation models, contributing to a 15% reduction in fuel consumption and driving environmental sustainability.
  • Designed high-throughput data pipelines for real-time vessel telemetry, achieving 99.9% system uptime and ensuring scalability for future growth.
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Sept 2022
— June 2023
Lund, Sweden
Qlik
Senior Software Engineer
  • Established technical standards for Golang microservices, enhancing code quality and maintainability across the engineering organisation.
  • Mentored junior developers; implemented best practices that reduced defect injection by 80% during QA cycles.
  • Diagnosed and resolved critical performance bottlenecks, yielding a 10% improvement in API response times.
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Jan 2020
— Sept 2022
Malmö, Sweden
Boozt
Engineering Manager
  • Scaled the engineering department from 3 to 17 engineers with a 96% retention rate over 7 years.
  • Directed the roadmap of a custom Warehouse Management System processing 10,000+ daily orders; increased warehouse throughput by 80%.
  • Architected a zero-downtime migration strategy for warehouse software relocation — 0% impact on fulfilment operations.
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Oct 2017
— Jan 2020
Malmö, Sweden
Boozt
Team Lead
  • Led a cross-functional engineering team building core e-commerce and logistics platform features.
  • Conceptualised and delivered a proprietary Parcel Tracking & Internal Sorting System, eliminating reliance on third-party vendors.
  • Bridged technical and product teams, translating business requirements into actionable engineering plans.
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Mar 2016
— Oct 2017
Malmö, Sweden
Boozt
Senior Software Engineer
  • Joined as a senior engineer to build the core warehouse and order management systems from the ground up.
  • Implemented optimised picking algorithms that significantly increased warehouse throughput and accuracy.
  • Established foundational engineering practices and code standards adopted across the growing team.
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Jan 2015
— Feb 2016
Novi Sad, Serbia
Ivy Exec
Senior Software Engineer
  • Re-engineered internal Solr search infrastructure, improving candidate matching relevance for 10,000+ hiring managers.
  • Optimised platform for high-concurrency US market traffic, ensuring stability during peak recruitment seasons.
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Feb 2012
— Jan 2015
Subotica, Serbia
Infostud
Software Engineer
  • Implemented features based on user behaviour analysis of 1M+ users, increasing engagement metrics by 5%.
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Engineering Leadership
Team scaling, recruitment, mentorship, career development frameworks
System Architecture
Microservices, event-driven design, distributed systems, EDA
Cloud Infrastructure
AWS, GCP, Kubernetes — production-scale deployments
Golang & Python
Primary languages; ML integration and scripting in Python
Agile & SDLC
Scrum, Kanban, full software development lifecycle management
Databases & DevOps
MySQL, Postgres, ClickHouse · CI/CD · Shell Scripting
Beyond the code
When not architecting systems or mentoring teams, Jasmin pursues aviation as a licensed private pilot — a pursuit that mirrors his engineering mindset: precision, preparation, and the ability to navigate complexity under pressure.

He also contributes to IoT development and open source projects, staying close to the craft of building things that matter.
Languages
  • Serbian
  • English
  • Swedish
2010
College of Applied Science
Bachelor of Science  ·  Mechanical Engineering  ·  2007 – 2010
Henrik Lauritzen
VP of Engineering · ZeroNorth
henrik.lauritzen@zeronorth.com
Bibi Perntz
Lead · Qlik
bibi.perntz@qlik.com
Tobias Sjölin
CTO · Boozt Fashion Logistics
tsj@boozt.com