Hire the Best System Programmers in London, UK

More than 17 years of professional IT, consultancy and project delivery(Agile and waterfall) experience. Excellent project management, software design and implementation experience across the full development life cycle. Strong communication, presentation, organisational, decision-making, interpersonal skills and proven record of teamwork and leadership. Able to make lasting relationships with the team and customers. Able to meet tight deadlines, work well under pressure, highly motivated and a true professional. Work responsibilities involved leading project delivery, planning software development tasks, risk management, participating in the analysis and high-level functional design of applications, implementation and maintenance systems, providing mentoring to the team.

🔸 Top 1% in Upwork. 🔸 100% Job Success. 🔸 4,000+ hours. 🔸25+ years experience. I deliver high-quality, engineered software that is robust, works at scale, and can grow as fast as your business grows. ❝ High-quality software is not complicated - it just requires discipline and steadfast attention to detail on each step of the journey. ❞ What's stopping you from starting your journey to software excellence and fixing your business' pains? You can arrange a call with me to discuss your project needs for free in a 30-minute consultation call! Hi. I'm Jason - an experienced (25+ years) software architect and engineering professional involved in all parts of the SDLC (Waterfall, Agile and Hybrid methodologies). With a wealth of experience across industries such as commercial aviation, banking (real-time payments processing & FX), 24/7/365 manufacturing lines, e-commerce, and public transport (smart card), I will bring a passion for delivering elegant and reliable solutions to your project. I will work with you (and your team) to provide the best possible technical solution to your business problem. No matter the business domain or challenges you are facing, l have deep technical and architectural knowledge, as well as excellent communication skills, to help solve your business problem with the right software solution. I will bring to bear a highly focused set of technical and people skills to help your project succeed. The recommendations and advice I provide focus on minimizing risks and maximizing your project's chances of success. This is what my 25+ years of experience bring you: honest, robust, and intelligent solutions to see you succeed. When asked to build software, I deliver high-quality server-side C# .NET software solutions that give what you need: Software engineered to be robust, scalable, and designed to exceed your business expectations. What you'll get when you choose me to work with you: ⭐️ Clear, effective communication ⭐️ Precise, quality recommendations to ensure success for your project ⭐️ A focused, collaborative approach to work with you and your team ⭐️ A no-nonsense, results-focused approach that delivers value to your project For example, this are what a couple of my clients had to say: ❝Jason is by far the best architect I have ever worked with. He displays extreme ownership of his work and it's incredibly refined. Every deliverable was on time or ahead of time. Not only did Jason provide an incredibly performant and scalable architecture, the documentation he provided was top notch. I will forever keep Jason and my goto for any and all technical and solution architectural needs.❞ Cade - VP Engineering - US Software Company ❝Jason helped get our team on our feet for doing proper documentation and much more, actually. He helped improve the engagement of our team members and how they work together. If we can, we will surely ask for his help again in the future. I can only give high praise of Jason's quality of work. We highly recommended for documentation and general architectural design work.❞ Alexander L - Acting CTO - Global On Media If you are interested in working together, please invite me to your job on Upwork. I look forward to hearing from you soon and helping you deliver on your software vision. Regards, Jason. A highlight of my technical specialties I can help you with: ✅ .NET Technical and Solution architecture consultancy and design ✅ C#.NET ✅ Team leading, technical .NET mentoring, and coaching ✅ High availability solution designs (24/7/365) ✅ Event-driven architectures (including actor-based systems) ✅ Highly concurrent software design (thread-safe) ✅ High volume, low latency software designs ✅ Cloud (MS Azure and AWS) solutions ✅ Hybrid (on-premise and Cloud) solutions ✅ Microservices ✅ Message brokers and ESB ✅ SOLID, DDD, OOP, and TDD ✅ Experienced in Agile and Hybrid delivery models ✅ Container (Docker) deployments software using CI/CD (Azure Devops) ✅ Dependency Injection (DI using Autofac, DryIoc) A highlight of the software products I'm experienced with: ✅ Sparx Enterprise Architect ✅ JetBrains Rider IDE ✅ Confluence, JIRA ✅ Git ✅ Resharper, DotMemory, DotTrace ✅ VMWare (Fusion) ✅ Visual Studio 2019 IDE Other clients had this to say about my work with them: ❝Jason was a tremendous professional, outstanding architectural skills and understanding both technical and business requirements.❞ Brian V - COO - LaunchControl

My Goal is to obtain long term relationships with customers and develop high quality applications. During my career I have been involved in all aspects of software development. My main development platform is C/C++ on LINUX/UNIX. I specialise in Weather/climate applications

Exp.: Strategy Design | Project Manager | Creative Director | Music Curation | Events Production | Sound Design | Graphic Design | Brand identity | A&R | Music Distribution | Website Design I am an enthusiastic, and highly motivated professional with a proven track record. With experience in the music and fashion industries, I have honed my skills in both technical and artistic fields, making me a versatile candidate for a wide range of roles. I am confident in my ability to drive success for both the company and my team members. Working in a dynamic organization that values continuous learning and growth would be a true honor for me. I am eager to utilize my unique skillset to exceed expectations, foster strong relationships with all stakeholders, and contribute to the overall success of the company. ***Tech | Asana / Notion / Slack / G Suite / Chat GPT / Adobe CC *** Professional Experience: || Founder & Director of Odyxxey [2014-Pres] Part-time: A non-profit, R&D platform for contemporary sound. Offering radio & events platforming, artist development and bespoke creative solutions. • Established a strong online presence and brand visibility with wide influence in the UK music industry || Graphic Designer & Sound Designer [2014-Pres] Freelance: • Developed brand identities and assisted on design for dozens of projects in music and fashion || A&R Consultancy [2017-Pres] Freelance: • Successfully scouted and developed relationships with hundreds of people for the biggest independent music companies in London || Event Lead & Music Programmer [2022-2023]: • Coordinated the delivery of 10 month academic programme in partnership with the Mayor of London, managing a £200,000 budget. • Developed valuable relationships and drove sponsorships with Ableton & Arturia

Pioneering technologist with 25+ years of web development expertise now fully immersed in cutting-edge AI implementation. My unique background combines deep technical foundations with advanced AI capabilities, allowing me to deliver solutions that others simply cannot match. Core Competencies: - AI Web and IOS / Android application development - Expert prompt engineering and LLM optimization - Voice cloning with industry-leading quality - Cross-platform mobile development (Flutter, React Native) - Full-stack web architecture (React, Python, PostgreSQL) - Payment integration systems (Stripe, App Store) Professional Background: Built and delivered 1000+ websites for clients including Goldman Sachs, British Airways, Yorkshire Water, and EPIC PLC. Comprehensive expertise in HTML5, CSS3, JavaScript, Linux server management, and PHP customization. Working Style: Known for exceptional reliability and client satisfaction across a 25-year career. Consistently deliver high-quality products on or ahead of schedule, regardless of complexity or timeline constraints. Comfortable leading teams or executing independently with equal effectiveness. My transition to AI development represents a natural evolution of my technical journey, combining decades of development wisdom with the power of emerging technologies to create truly innovative solutions.

Senior Python Developer specializing in API integrations. Expert in Telegram bots, crypto exchanges, and payment systems. Strong DevOps background with Docker/K8s. Proven track record of 150+ successful projects with 99% positive feedback. Consistently deliver 30-50% ahead of deadlines.