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Taro Sasakama Address Line 1, City, Prefecture, Zip Code], Japan TEL: +81-XX-XXXX-XXXX | Email: [Your Email Address] | LinkedIn: [URL] Senior Software Engineer / IT Project Manager SUMMARY OF SKILLS & QUALIFICATIONS • Over 10 years of extensive experience in software development, system integration, and project management in the SaaS and IT consulting industries. • Strong capability in managing end-to-end development processes, from requirement definition and architectural design to implementation, testing, and operations. • Proficient in Agile/Scrum methodologies, leading cross-functional and multi-national development teams of up to 15 members to deliver high-quality products on schedule. • Deep knowledge of modern web development and cloud infrastructure (AWS/GCP), with a strong passion for continuous improvement through CI/CD and automation. • Competent in Japanese (Native) and Business Level English (TOEIC 850). TECHNICAL EXPERTISE • Languages: Python, Ruby, JavaScript (React.js / Node.js), TypeScript, SQL, Java • Infrastructure / Cloud: AWS (EC2, S3, RDS, Lambda), GCP, Linux, Docker, Kubernetes • Database: MySQL, PostgreSQL, Oracle, SQLite • Tools & Methodologies: Git/GitHub, Jira, Confluence, CircleCI, Agile/Scrum, DevOps PROFESSIONAL EXPERIENCE Company A (Global SaaS & Cloud Provider) | Tokyo, Japan | Apr 2018 – Present Lead Software Engineer / Scrum Master, Product Development Division • Engage in the overall development of B2B SaaS web applications, including technology selection, architecture design, and back-end/front-end implementation. • Spearhead the development team as a Scrum Master, managing priorities, tracking progress, and conducting code reviews to ensure code quality and team productivity. • Project A: Led a major system migration project from an on-premises environment to AWS cloud infrastructure, co-working with internal infrastructure teams and external vendors. • Major Achievements: o Successfully standardized the development process and introduced a CI/CD environment, which reduced the application release time by 40%. o Improved the processing speed of the core data-matching algorithm by 30% through code refactoring and database query optimization. o Effectively mentored junior engineers and facilitated daily scrum meetings, contributing to a significant reduction in critical bugs and enhancing team velocity. Company B (Major IT Solution & Consulting Firm) | Tokyo, Japan | May 2012 – Mar 2018 System Engineer / IT Project Manager • Handled multi-type system integration projects for clients in the manufacturing and financial sectors, engaging in the full range of processes from basic concept development to go-live support. • Managed project budgets, scope, resources, and vendor negotiations, communicating closely with clients’ C-level executives and key stakeholders. • Project B: Acted as a Project Manager for a core system replacement project (budget: $5M) for a major manufacturing client, leading a team of 20 members including offshore developers. • Major Achievements: o Successfully delivered Project B strictly on schedule and within budget, achieving a 15% reduction in overall development costs by utilizing offshore resources efficiently. o Proposed and implemented a new automated billing flow using RPA and CRM integration, which reduced the client’s administrative workload by 50 hours per month. EDUCATION • Master of Science in Computer Science, [Name of University], [City], Japan (Mar 2012) • Bachelor of Science in Engineering, [Name of University], [City], Japan (Mar 2010) CERTIFICATIONS • AWS Certified Solutions Architect – Associate (2021) • Certified ScrumMaster (CSM) (2020) • Applied Information Technology Engineer Examination (2014)