
Bahador Babazadeh
Senior Back-End Engineer | SaaS Architecture
Salary / Daily rate
İstanbul, Türkiye
Freelance, open to permanent contract
Skills
Languages
About me
Intro
Senior Backend Engineer with 16+ years of expertise leading teams and architecting scalable systems. Delivered 40% profit on trading bots and built SaaS platforms that achieved 45% market share. Specialized in microservices, API development, and cloud infrastructure with proven ability to translate business goals into technical solutions.
Work experience
Lead Back-End Engineer & Technical Architect
MD.CO.UK HEALTH LIMITED
Jul 2024 - Jul 2025
1 year 1 month
London, UK
- Led the technical design and backend architecture for a modern SaaS-based clinic management system. - Implemented core infrastructure components (Docker, CI/CD, monitoring) to support a scalable, modular system. - Acted as the technical authority in product meetings, translating business goals into practical engineering solutions. - Managed and collaborated with cross-functional teams to ensure timely delivery and technical alignment. - Delivered the platform as a multi-tenant SaaS product, enabling clinics to subscribe and operate digitally, while providing patients with faster, affordable healthcare access through memberships. - Key backend services developed include: - Membership Marketplace: A service enabling clinics and patients to buy and manage memberships. - Smart Booking Engine: A dynamic scheduler factoring clinic hours, departments, doctors, and service packages. - Voucher Engine: A discount system applying business rules to calculate flexible pricing. - Dynamic Pricing Engine: A rule-based module that adjusts pricing in real time based on multiple variables.
Technical Lead
Wallex
Mar 2021 - Jul 2024
3 years 5 months
Tehran, Tehran Province, Iran
- Engineered and deployed a multi-exchange trading bot, resulting in a 40% profit on managed capital within the first year. - Developed a market-making bot for WALLEX exchange, which captured 45% of the market share and achieved a 3% monthly profit on Assets Under Management (AUM). - Configured continuous deployment pipelines using GitLab CI/CD on Kubernetes, streamlining development workflows. - Implemented comprehensive automated testing frameworks, including unit, behavior, and integration tests, enhancing software quality and reliability. - Directed a team of back-end developers in designing, developing, and deploying robust server-side solutions, ensuring alignment with project objectives and timelines. - Collaborated with cross-functional teams to integrate back-end services with front-end applications, optimizing system performance and user experience. - Mentored and guided junior developers, conducted rigorous code reviews, and promoted adherence to software development best practices, boosting team efficiency and output.
Sibche
Apr 2019 - Mar 2021
2 years
Tehran Province, Iran · On-site
Lead Back End Developer
Feb 2020 - Mar 2021
1 year 2 months
Tehran Province, Iran · On-site
- Increased team performance by 30% through effective Agile methodologies and project management. Enhanced system reliability by integrating Graylog and Sentry, improving error handling and data gathering. - Streamlined feature development by implementing robust software architecture and design patterns. Guided the development of high-performance REST APIs for user profiles, invoices, payments, and transactions. - Led the design and implementation of an app store management panel, optimizing finance, content, and developer tools. - Improved server-side integration and scalability by developing critical back-end features and integrations. - Championed continuous improvement initiatives, leading to a 20% reduction in system downtime and increased code quality. - Fostered a collaborative team environment, promoting knowledge sharing and best practices, resulting in a more cohesive and productive team. - Coordinated cross-functional efforts with front-end teams and stakeholders to ensure seamless integration and alignment with business goals.
Senior Back End Developer
Apr 2019 - Mar 2020
1 year
Tehran Province, Iran · On-site
- Engineered comprehensive REST APIs to handle user data, transaction processing, and financial operations. - Developed and integrated a versatile app store management panel, enhancing operational efficiency across multiple domains. - Spearheaded key back-end features, driving performance improvements and supporting scalable application functionalities. - Architected and deployed secure microservices, optimizing data flow and enhancing the platform's resilience to handle peak loads. - Enhanced data security and compliance by implementing advanced encryption protocols and ensuring adherence to industry standards. - Optimized database queries, reducing latency and improving overall system performance by 25%. - Mentored junior developers, providing guidance on best practices and code reviews, contributing to their professional growth and the team's success.
Senior Backend Developer
Sava Arman Kish
Dec 2017 - Mar 2019
1 year 4 months
Tehran Province, Iran · On-site
- Cryptocurrency Wallet Management: Designed and implemented the Wallet Service to manage multiple cryptocurrencies, optimizing coin exchange speed and expanding the range of supported trading pairs. - This service contributed to a more efficient trading environment and better user experience. - Liquidity Management Service: Developed a high-performance service for cryptocurrency deposits and withdrawals, which significantly accelerated transaction processing times. The service enhanced liquidity management and streamlined financial operations. - Blockchain Explorer (VISTA): Created a custom blockchain explorer, VISTA, to provide enhanced transparency and insights into blockchain transactions. This tool facilitated better tracking and analysis of blockchain activities. - Master API: Engineered a robust gateway, the Master API, to connect the trade engine with various other services. This development improved system communication, reliability, and overall performance, supporting more efficient data exchange and integration. - System Scalability and Performance: Implemented performance tuning and scalability enhancements to ensure that all services could handle increased load and peak trading volumes efficiently. This resulted in improved system stability and responsiveness during high-demand periods. - Enhanced Security Protocols: Integrated advanced security measures across all developed services, including encryption and secure authentication processes, to safeguard data integrity and protect against potential vulnerabilities.
Full Stack Developer
Amardin
Apr 2008 - Dec 2017
9 years 9 months
89290 Irancy, France
- Developed B3, a CRM system that significantly enhanced customer communication and streamlined organizational processes, resulting in improved client relationship management and operational efficiency. - Designed and implemented a detailed ticketing system, enabling the technical team to accurately track, manage, and resolve customer technical issues, leading to faster issue resolution and higher customer satisfaction. - Created an advanced accounting system for enterprise users, optimizing resource management and financial operations, which resulted in a 20% increase in profit margins. - Integrated robust analytics and reporting features into B3, providing actionable insights and facilitating data-driven decision-making for both customer and organizational performance. - Led the development of a user-friendly interface for the CRM and accounting systems, improving accessibility and usability for end-users and enhancing overall user experience. - Implemented automated workflows and notifications within the CRM and ticketing system, increasing efficiency and reducing manual errors in daily operations. - Enhanced system security and data protection through encryption and access control measures, ensuring compliance with industry standards and safeguarding sensitive information. - Coordinated with cross-functional teams to align project goals and deliverables, resulting in seamless integration and successful deployment of CRM and accounting solutions. - Conducted comprehensive training sessions for staff on the use of the new systems, ensuring smooth adoption and maximizing the impact of the implemented solutions. - Continuously monitored and optimized system performance, addressing potential bottlenecks and implementing improvements to maintain high levels of reliability and responsiveness.
Education
Shomal University
Computer Science
2011 - 2016
5 years 1 month
National Organization for Development of Exceptional Talents (Sampad)
2003 - 2008
5 years 1 month