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Hi! I’m Christoph — a certified Python developer (PCPP1), experienced software engineer, and ex-BCG consultant. I’ve helped professionals and teams debug smarter, prep for certifications, and turn complexity into clarity. **Let’s simplify your next challenge.**
Business Intelligence Engineer with 10+ years of Looker/LookML experience and 1 year of Tableau experience. Former data scientist, web developer, and operations analyst. I'm happy to help you with building analytics solutions, whether it's just some quick questions or a longer consulting arrangement. I have worked within FAANG teams and other big tech organizations and have a great understanding of how things *should* work when the right structures are in place. I've seen enough examples of things breaking to have a good "sixth sense" with troubleshooting and take pride in my ability to solve urgent issues.
Experienced technology leader with over 11 years in software development, including 10+ years in C/C++ and C#. Twice served as CTO, leading teams of 50+ developers across high-impact projects. Skilled in game development, encryption, desktop applications, and scalable architecture design. Proven track record in project and team management, Agile delivery, and cross-functional leadership. Adept at bridging technical execution with strategic business goals, driving innovation from concept to deployment.
Reza is an accomplished CTO and engineer with extensive experience in near-silicon design and problem-solving. He has done stream processing in all kinds of domains, using MQTT-SN, HL7 in healthcare, and mSEED and SEGY in earthquake analysis, utilizing a wide array of databases and programming languages. Passionate about building, Reza has maintained projects such as Ansible, universal-ctags, and QMK, and contributed to the Linux kernel and EDKII (UEFI).
I am a software developer with over 12 years of experience, working mostly as Java/Scala back-end, distributed systems engineer. I graduated from Imperial College London in 2012 with First Class honours in Computing. During my studies I acquired an in-depth understanding of Object-Oriented programming, Data Structures, Algorithms and Software Design. For the past 12 years I have worked in the Investment Banking industry atMorgan Stanley as a back-end Java developer developing distributed, highly-scalable systems. I possess an in-depth knowledge of Java programming language and my expertise includes: * Software systems and architecture design * SiteReliability Engineering - building scalable, highly available systems * Multi-threading/concurrency * Performance optimisation * Cloud migration/deployments I have also been recently involved in training of AI models. As part of that role I am responsible for evaluating AI-generated responses to coding/reasoning questions, as well as generating and rating coding conversations with chat-bots in a classroom teaching style.
Joseph Okojie is a highly skilled software developer and software engineering manager with over 9 years of experience in the field, with a keen interest in change management, product development, business process improvement and digital transformation.
I am leading multiple technical teams at my current role and I have been mentoring developers since more than 6 years professionally. I have a passion in technology and product development. I would like to explore how I can contribute to Codementor and help mentor diverse audience.
I'm a technology enthusiast who believes in the power of tech to change the world and improve people's lives. I've been working as a developer for over 15 years, mostly in financial companies. I have experience with DevOps, Agile methodologies, and more. As a mentor, I’ve always enjoyed sharing knowledge and helping others grow. Seeing people progress makes me genuinely happy.
5 years driving full-cycle solutions in enterprise environments. As a Software Engineer at SMS Group, I architect robust systems using .NET Framework, C#, and Oracle PL/SQL, delivering mission-critical solutions for global operations. My technical leadership spans: ✅ End-to-end development of distributed systems in Agile environments ✅ Optimization of complex database architectures (Oracle, PL/SQL) ✅ Cross-functional collaboration with international teams Previously as Developer Analyst at Vetta SMS Group: • Spearheaded the design of a core module for flagship software, enhancing system reliability and scalability • Mitigated critical production incidents through root-cause analysis, implementing preventive monitoring protocols • Championed code quality as lead reviewer, enforcing SOLID principles and architectural patterns • Orchestrated parallel project deliveries through agile prioritization and CI/CD practices Continuous Growth Currently expanding expertise in AI/ML through postgraduate studies in Data Science at Universidade Anhembi Morumbi, complementing my technical foundation from IFSP and Senac. Technical Core: .NET Ecosystem | C# | Oracle PL/SQL | Entity Framework Core | Software Architecture | Agile Methodologies
Dynamic, self-motivated, highly qualified, fast learning and results oriented Engineering Leader/Architect with 10+ years of experience working on variety of software products and technologies. Track record of delivering quality products on time. Specialties: Big Data Technologies, Analytics, Ad Exchanges, Ad Mediation, Data Mining, Machine Learning, Hadoop, AWS, distributed computing, infrastructure design & development . Contributor for book "Machine Learning Engineering" by Andriy Burkov.
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The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance Data Engineering project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance Data Engineering request on Codementor, check out our article.
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We do a comprehensive technical and communications screen of all Data Engineering developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing Data Engineering developers’ user satisfaction rates.
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