I am a seasoned Software Architect, Tech Lead, and Developer with over 20 years of experience in designing and implementing distributed microservice architectures using Java, Spring Boot, AWS, and Kubernetes. I am passionate about clean code, clean architecture, and test-driven development, striving to transform complex requirements into robust and maintainable solutions while balancing stakeholder needs. I thrive on challenging projects that push my boundaries and foster innovation. As a technical leader and mentor, I enjoy driving team growth through training, code reviews, and knowledge sharing, ensuring strong collaboration and continuous improvement. I am skilled at applying best practices such as Arc42 in architecture design and emphasizing observability and automation to enhance system reliability and performance.

Alexandr Efimov

I am a seasoned Software Architect, Tech Lead, and Developer with over 20 years of experience in designing and implementing distributed microservice architectures using Java, Spring Boot, AWS, and Kubernetes. I am passionate about clean code, clean architecture, and test-driven development, striving to transform complex requirements into robust and maintainable solutions while balancing stakeholder needs. I thrive on challenging projects that push my boundaries and foster innovation. As a technical leader and mentor, I enjoy driving team growth through training, code reviews, and knowledge sharing, ensuring strong collaboration and continuous improvement. I am skilled at applying best practices such as Arc42 in architecture design and emphasizing observability and automation to enhance system reliability and performance.

Available to hire

I am a seasoned Software Architect, Tech Lead, and Developer with over 20 years of experience in designing and implementing distributed microservice architectures using Java, Spring Boot, AWS, and Kubernetes. I am passionate about clean code, clean architecture, and test-driven development, striving to transform complex requirements into robust and maintainable solutions while balancing stakeholder needs. I thrive on challenging projects that push my boundaries and foster innovation.

As a technical leader and mentor, I enjoy driving team growth through training, code reviews, and knowledge sharing, ensuring strong collaboration and continuous improvement. I am skilled at applying best practices such as Arc42 in architecture design and emphasizing observability and automation to enhance system reliability and performance.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Beginner
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Language

English
Fluent
German
Advanced
Russian
Fluent

Work Experience

Software/Solution Architect at Bosch GmbH
August 1, 2024 - Present
Collaborated closely with stakeholders on cross-domain initiatives, translating business needs into architectural solutions and decomposing high-level tasks into actionable team tasks. Coordinated and oversaw implementation phases while documenting changes using Arc42.
Technical Lead at Bosch GmbH
December 1, 2022 - Present
Led a team of six developers, driving team performance, mentoring, and coaching. Advocated for clean code practices, test automation implementation, and enhanced monitoring solutions to improve software quality and team delivery capacity.
Senior Software Developer at Bosch GmbH
December 1, 2021 - Present
Designed and implemented cloud-native, event-driven microservices in a distributed environment enabling onboarding of over 30 tenants with minimal effort. Refactored and consolidated domain functionalities improving maintainability and delivery speed. Enhanced observability via custom business metrics and Grafana dashboards.
Senior Software Developer at AnyDesk GmbH
November 30, 2021 - August 22, 2025
Led the end-to-end architectural design and implementation of a new customer portal based on microservices architecture. The platform facilitated seamless integration with internal systems, scalability, and significantly boosted customer satisfaction.
Senior Java Developer at Star Systems GmbH
November 30, 2019 - August 22, 2025
Refactored legacy publishing software to transition towards a microservices architecture, enhancing modularity, maintainability, and scalability readiness.
Senior Java Developer at Compart AG
June 30, 2019 - August 22, 2025
Developed new features in legacy systems using Java and restructured two legacy products into a consolidated, modernized solution migrating to Spring Boot, alongside extensive bug fixing.
Senior Java Developer at Sberbank - Technologies
October 31, 2017 - August 22, 2025
Developed 'Cash Center' system automating bank cash operations, integrating core banking system to process and deliver large data volumes to mobile devices in required formats.
Java Developer at Wellink Technologies
July 31, 2015 - August 22, 2025
Developed a smart home system web portal using Vaadin and controller software supporting automated scenarios like flood detection, motion sensing, and lighting control.
Senior Software Developer at Sberbank - Technologies
January 31, 2014 - August 22, 2025
Enhanced territorial bank centralization functionalities on a unified banking platform using Oracle PL/SQL. Developed and optimized complex SQL queries operating on large-scale datasets (1M+ rows).
Senior Oracle Developer at Center of Financial Technologies
November 30, 2012 - August 22, 2025
Developed high-performance card subsystems for banking software, focusing on stored procedures and functions to efficiently manage critical data and process card transactions. Optimized SQL and implemented reporting features integrating with card processing and money transfer platforms.
Technical Support Engineer, Software Developer at Novokuznetsk Municipal Bank
January 31, 2008 - August 22, 2025
Provided technical support for banking systems and developed an application automating fiscal operations related to vehicle registration, resulting in a 50% increase in front-office processing capacity.
Technical Support Engineer, Software Developer at Kontur-Novokuznetsk
September 30, 2005 - August 22, 2025
Provided technical support for software, PC, and LAN infrastructure. Developed an Electronic Document Management System for the Pension Fund of Kemerovo region using C++ as a graduation project.

Education

Master's Degree in Information Processing and Control Systems at Kemerovo State University
January 1, 2000 - January 1, 2005

Qualifications

AWS Certified Solutions Architect – Associate
January 1, 2025 - August 22, 2025
iSAQB - Certified Professional for Software Architecture, Foundation Level (CPSA-F)
January 1, 2024 - August 22, 2025
Oracle Certified Professional Java SE 7 Programmer
January 1, 2014 - August 22, 2025
Oracle PL/SQL Developer Certified Associate
January 1, 2012 - August 22, 2025

Industry Experience

Software & Internet, Financial Services, Manufacturing, Consumer Goods, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Beginner
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