Assaf Tzur-El
Fractional CTO, Dev Process Improvement, Software Architect & Chaos Tamer @ Simple. Technology
About
Your team works hard but delivery keeps slipping, friction builds, and nobody can pinpoint why. It's rarely just code or tooling – the real problems live in the gaps between process, architecture, communication, and culture.I help organizations find and fix what's hiding in those gaps.I spent the first 15 years of my career full-time – developer, team lead, architect, project manager – at companies from early-stage startups to Microsoft and Mobileye, in Israel and the US. I was always the one pulled into the "special ops" projects: unclear requirements, new technologies, things that weren't working and nobody knew why. That's when I realized I thrive in chaos – taking ambiguity and mess and turning them into clarity, structure, and momentum.For the past 15+ years, I've been doing that as a freelance consultant – and that's where I developed the skill to read what's really going on inside an engineering organization. I've served as Fractional CTO for organizations navigating their first real tech leadership needs, helped CTOs think through architecture and scaling decisions, improved development processes at companies stuck in friction, and taught thousands of developers through courses, workshops, and conference talks on topics from programming language internals to software architecture to clean code.I still write and review code. I teach what I practice.How I help:→ Development process improvement – finding and fixing the friction that's slowing your team→ Fractional CTO and strategic advisory – working alongside your tech leader, or stepping in as one→ Training and mentoring – courses, workshops, lectures, and 1:1 guidance, tailored to your contextWhat drives all of it is something I keep coming back to: helping people who are changing the world through technology. Whether that means helping a CTO make a better decision, helping a team ship with less pain, or helping a developer grow into their next role – that's the work I care about.If you're facing something like this, I'd love to hear from you.
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Israel
Computer Software
Software Architecture, Software Development Process Improvement, Technical Leadership, Business Process Improvement, .NET, Agile Methodologies, API Design, C (Programming Language), C#, C++, Java, JavaScript, Python, Coaching & Mentoring, Consulting, Design Patterns, Microservices, Public Speaking, Secure Software Development, Stakeholder Engagement
Experience

Fractional CTO, Dev Process Improvement, Software Architect & Chaos Tamer
Helping software organizations find and fix what's slowing them down – in the gaps between process, architecture, communication, and culture. Selected engagements: → 𝗙𝗿𝗮𝗰𝘁𝗶𝗼𝗻𝗮𝗹 𝗖𝗧𝗢 for the Histadrut, Israel's national trade union – their first CTO in 120 years. Mapping tangled legacy on-prem systems, building strategy, and leading the transition to the cloud. → 𝗗𝗲𝘃 𝗽𝗿𝗼𝗰𝗲𝘀𝘀 𝗶𝗺𝗽𝗿𝗼𝘃𝗲𝗺𝗲𝗻𝘁 at Bank of Jerusalem – interviewing developers and managers, uncovering the underlying problems behind slow delivery, and delivering a structured recovery plan and implementation roadmap. → 𝗦𝘆𝘀𝘁𝗲𝗺 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 at SHVA (Automated Banking Services) – designing the ATM wire switching system, development methodology, and CI/CD pipeline. The system has been running in production for several years as part of Israel's interbank transfer backbone. More engagements in the Projects section below. → 𝗧𝗿𝗮𝗶𝗻𝗶𝗻𝗴: Teaching thousands of developers across corporate courses, academic programs, and conference workshops – from programming language internals to software architecture to clean code to AI coding assistants. See the Courses section for a partial list of courses and workshops I've taught. → 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗮𝗻𝗱 𝗰𝗮𝗿𝗲𝗲𝗿 𝗺𝗲𝗻𝘁𝗼𝗿𝗶𝗻𝗴: Software architects across IDF units, developers at all levels, and teams at hackathons and accelerators. → 𝗣𝘂𝗯𝗹𝗶𝗰 𝘀𝗽𝗲𝗮𝗸𝗶𝗻𝗴: International conferences including CppCon, Open Source Summit Europe, and Core C++, as well as community meetups and company events.

Senior Software Architect and Consultant
Senior consultant and architect at CodeValue, working with clients across a wide range of industries – defense, aerospace, medical, cyber, fintech, and more – at companies from startups to large enterprises. Focused on software architecture, development, and process challenges. Engagements included delivering specialist work that required deep expertise outside the client's core team, introducing modern development practices and technologies to organizations unfamiliar with them, and mentoring development teams to improve their skills, processes, and architecture. Alongside consulting engagements, taught courses in C++, C#, Design Patterns, and Software Architecture for corporate teams at varying levels. See Projects and Courses sections for specific engagements and topics.

Instructor and Consultant
For a full list of projects and courses, see Projects section below. Provided consulting services to Sela customers: Architecture, development, and ALM/DevOps, at various companies, concentrating on requirement gathering and specification writing, architectures, teaching and helping with various technology and development tasks. Taught various courses: C++ (from basic to advanced, internals, “Modern” C++, “Effective C++”, and more), C# (basic and advanced), Operating Systems (Windows internals, RT, multitasking), Design Patterns (in C++ and C#), and more. I also gave lectures (mostly C++-related) at Sela conferences.

Software Architect
• Software Architect, PC Health group: Improved and formalized the Problem and Solution Signatures department’s unique development process, predicted and prevented future product limitations, and implemented various Microsoft software development requirements, methodologies, and technologies. • UAG Direct Access: Built the test team – from test plans and test cases, through methodologies, to choosing, and, in some cases, building the tools. Helped streamline processes and tasks for the entire group. Direct Access enables remote access to the organizational network over IPv6.

Project Manager
• Managed vision software and hardware projects for accident reduction and driver assistance. As part of this role, I was responsible for requirement definition, software development, integration, and working closely with development and QA staff. • Customer management: Interacted with product managers and technical engineers in the automotive industry. Product delivery included configuration management and guidance, documentation, and integration assistance. Captured customer feedback, as well as software output, in order to improve product functionality, reliability, and satisfaction. • Enterprise-wide roles: ˗ Researched and implemented requirements management systems for the company by interacting with stakeholders, keeping them “in the loop” while analyzing the requirements in order to assure a satisfactory solution. ˗ Helped the company incorporate and comply with CMMI and SPICE, which are mandatory standards in the automotive industry.

Software Architect and Tech Lead
HP-Indigo
Led a complete redesign of the press control system’s architecture. As part of my role, I researched, implemented, and standardized the team’s software development practices, including software tools and frameworks, methodologies, and coding guidelines. Transformed product requirements into system requirements, by cooperating with product managers.

Team Leader
Defined, specified, designed, and took part in the implementation of the server side of the company’s corporate product – Babylon Enterprise Server – from the ground up. This included gathering requirements for the product, designing core components, and managing the development efforts. Babylon-Enterprise generates 80% of Babylon’s total income.

Software Engineer
Designed and implemented the distribution modules in Actimize Analytics Intelligence Server, the company’s Business Intelligence product, with emphasis on cross-platform compatibility. Researched and implemented protocols and frameworks, including Xerces, SMTP, LDAP, and ACE, in the application.

Software Engineer
Designed and developed various applications and modules, including the system’s API, a software-based watchdog timer, and implementation of multi-language voice support in the product. Researched frameworks and modules in order to optimize product performance and stability.
Assaf Tzur-El's Contact Information
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