Software Engineer II

Overview OneByZero is a next-generation Data and AI consulting company, headquartered in Singapore and driving impact across APAC. As an AWS-exclusive partner, we help enterprises modernize data, transform with AI, and apply Generative AI in ways that deliver real business results. Our vision is to make AI adoption both impactful and human-centered. We collaborate with leading enterprises in banking, telecommunications, retail, and other industries to help unlock tangible value from data and AI initiatives. By combining deep industry expertise, trusted partnerships, and a relentless focus on outcomes, OneByZero empowers organizations to go beyond pilots and achieve lasting, scaled impact. About The Role We are seeking a Software Engineer II – Backend with 4–6 years of professional software engineering experience and deep expertise in building scalable, secure, and maintainable backend systems. In this role, you will design and implement APIs, authentication flows, and cloud-native services while ensuring observability and strong engineering practices. As a mid-level engineer, you will also collaborate closely with frontend, DevOps, and cross-functional teams, contributing to architectural discussions and best practices. What You'll Do & The Impact You'll Have Design and implement backend systems following OOP and clean architecture principles. Build secure authentication flows including OAuth2 and token refresh mechanisms. Work with ORMs such as Prisma or SQLAlchemy for database interactions. Develop, containerize, and deploy applications using Docker and CI pipelines (e.g., GitHub Actions). Implement observability with logging and tracing for APIs. Leverage AWS services such as S3, RDS, and Secrets Manager. Apply deployment security best practices across environments. Communicate effectively with frontend, DevOps, and cross-functional teams to deliver reliable solutions. Qualifications Must-Have Skills: Strong understanding of OOP and clean architecture principles Experience implementing authentication flows (OAuth2, token refresh) Proficiency with ORMs like Prisma or SQLAlchemy Experience with Docker and CI pipelines (e.g., GitHub Actions) Implements observability: logging and tracing for APIs Familiar with AWS services: S3, RDS, Secrets Manager Solid understanding of deployment security practices Strong communication with frontend, DevOps, and cross-functional teams Nice-to-Have Skills: Experience with asynchronous processing using Celery or Cloud Tasks Exposure to AWS Lambda or ECS Familiarity with monitoring tools like Prometheus or Grafana Understanding of Cloud IAM roles and permission boundaries Implements circuit breakers and retry logic in services Benefits Impact-First Culture: Your work directly contributes to real-world AI solutions and business outcomes. Professional Growth: Continuous learning opportunities, mentorship from industry leaders, and a clear path for career development. Competitive Compensation: Market-leading salary, benefits, and incentives. Dynamic Team Environment: Collaborate with a high-performing team that values curiosity, integrity, and ownership. Global Exposure: Opportunities for international travel. OnebyZero is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Additional Details Seniority level: Mid-Senior level Employment type: Full-time Job function: Information Technology Industries: IT Services and IT Consulting Referrals increase your chances of interviewing at OneByZero by 2x Sign in to set job alerts for “Software Engineer” roles. #J-18808-Ljbffr