About the Role :
As Technical Lead, you will drive the design, development, and delivery of highly scalable, transactional API-based solutions , built on AWS and leveraging modern development practices, including full CI / CD automation.
Key Responsibilities :
- Lead the design and implementation of robust, high-performance API-based systems focused on online payment integrations.
- Oversee migration from Java-based integrations to Python , ensuring high code quality, scalability, and automation.
- Manage and mentor a cross-functional team of developers (Java, Python), QA, and Business Analysts within a self-organizing Agile environment.
- Collaborate closely with an Architect , Project Manager , and other stakeholders to align technical delivery with business goals.
- Design and build CI / CD pipelines using tools such as Git, Jenkins (or similar), and integrate with cloud-native workflows.
- Ensure the team follows best practices in Python development, including code maintainability , testing, and cloud integration (AWS).
- Develop, test, and debug APIs for cloud integration with external systems and services.
- Make architectural decisions related to microservices , Kubernetes , and high-volume transactional systems.
- Suggest AWS architecture components and solutions based on project needs.
- Monitor performance and proactively address scalability and reliability challenges.
Requirements : Technical Skills :
Strong experience in both Python and Java , with the ability to lead and review code.Proven track record designing and building transaction-heavy APIs (10–12 TPS or higher).Experience with AWS cloud services at a high architectural level.Deep understanding of microservices architecture and Kubernetes.Skilled in setting up and maintaining CI / CD pipelines using Git, Jenkins, or similar.Hands-on experience with automated testing and ensuring system reliability.Background in online payments or financial transaction systems is a strong plus.Leadership & Communication :
Proven experience in leading software development teams.Strong collaboration and communication skills – ability to coordinate with architects, PMs, and stakeholders.Agile mindset and experience working in Agile / Scrum environments.Ability to mentor and upskill junior and mid-level engineers.Nice to Have :
Experience working in telecom or with carrier billing platforms.Familiarity with the Google GSP ecosystem.Knowledge of adapter pattern and API gateway integrations.Certifications in AWS or Kubernetes.About R Systems :
WE SPEAK DIGITAL.OverviewFormerly known as Computaris, we are the European branch of R Systems - global technology and analytics services company.We help our clients achieve speed-to-market, overcome digital barriers, and create business value with our specialized service offerings and consultative business approach. We speak the language of business as fluently as we do the language of technology. In other words : We speak Digital. Our goal : accelerate our clients’ digital leadership.Our clients choose to partner with us for Cloud transformation, automation, data science, analytics, and product engineering, thanks to our technical expertise, domain knowledge, global presence and a record of delivering world-class solutions consistently for over 28 years.With a global workforce of 4,800+ employees spread across 16 delivery-centers and 26 offices, we continue to empower organizations with cutting-edge technologies. In Europe, R Systems has offices in the UK, Romania, Poland, Moldova and Switzerland, providing digital transformation services and extensive telecom expertise.