Backend Software Engineer

Summary

Join 1GLOBAL, a dynamic technology-driven global mobile communications provider, and become part of a team developing and maintaining its Network API, xSIM Management System, and Recording Platforms. These platforms power critical systems and services enabling the creation, configuration, and real-time monitoring of subscriber configurations. You will contribute to a multi-site platform with strict security requirements, serving customers worldwide and managing millions of subscriber profiles. The role involves designing, implementing, and maintaining resilient, scalable, and secure architectures. Collaboration, teamwork, and accountability are highly valued. 1GLOBAL offers growth opportunities, exposure to major transactions, a talented team, and a dynamic work environment.

Requirements

• 3+ years of professional experience in backend development, preferably with Go (Golang). Strong Java experience with willing to learn Go is also welcome
• Strong understanding of concurrency models, with practical experience in implementing asynchronous workflows, inter-process communication, and synchronisation techniques
• Skilled in designing, building, and consuming RESTful APIs, following best practices for API design and performance optimisation
• Proven experience working with databases, both relational (e.g., PostgreSQL) and non-relational (e.g., Redis, MongoDB, DynamoDB), including data modelling, query optimisation, and performance tuning
• Experienced in writing unit tests, integration tests, and benchmarks, with a test-driven development mindset
• Comfortable with networking protocols and distributed communication patterns (e.g., gRPC, WebSockets, TCP/UDP)
• Experienced in building scalable microservices architectures and distributed systems
• Knowledgeable in applying software engineering best practices and design patterns for maintainable, testable code
• Skilled in using DevOps tools and practices, including Docker, CI/CD pipelines, and Infrastructure as Code
• Familiar with Git workflows and collaborative development processes such as pull requests, code reviews, and agile methodologies
• Demonstrated accountability for technical outcomes and ownership of end-to-end feature delivery
• Effective communicator in English, both written and verbal, suitable for a remote and largely asynchronous work environment

Responsibilities

• Provide accurate effort estimates to support roadmap planning and effective expectation management
• Design and implement resilient, scalable, secure, and fault-tolerant architectures to ensure system reliability and performance
• Develop new features and support existing systems across the Network API, xSIM Management System, and Recording Platforms
• Contribute with small, incremental enhancements that seamlessly integrate into the established codebases
• Maintain and update existing solutions to keep them modern, efficient, and reliable
• Collaborate with team members to ensure smooth development processes and shared understanding
• Write and maintain comprehensive tests to ensure fast regression and reliable validation of new features
• Implement procedures and metrics to enable effective monitoring and observability of platform contributions
• Participate in code reviews to promote high standards of code quality, readability, and maintainability
• Take ownership of the quality and outcomes of your work, ensuring fully functional end-to-end flows
• Create and maintain accurate, up-to-date technical documentation
• Actively contribute to team discussions, with a mindset for continuous improvement and openness to new ideas or technologies

Preferred Qualifications

• Proficient in writing idiomatic Go code, with solid understanding of the language’s core features such as interfaces, structs, composition, and error handling
• Competent in profiling and performance tuning using Go’s built-in tools such as pprof and trace, with a focus on optimisation
• Demonstrated experience with event-driven architectures, including the implementation of producers and consumers using platforms like Kafka, RabbitMQ, or ActiveMQ
• Solid hands-on experience deploying, monitoring, and maintaining applications on Kubernetes
• Working knowledge of cloud platforms (e.g., AWS, GCP, Azure, Oracle Cloud) with experience deploying cloud-native applications
• Hands-on experience with observability and monitoring tools like Prometheus and Grafana

Benefits

• Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 40% year-on-year under the leadership of successful tech entrepreneurs
• Major Transaction Exposure: Be in the driver’s seat for transactions that will have an impact on the future telco industry
• Work with a Talented Team: From the Board and the Founders to the Senior Management Team, you will collaborate daily with the most capable and renowned external advisors, and constantly being exposed to talented and driven individuals
• Dynamic Work Environment: Thrive in a collaborative, fast-paced workplace where innovation is encouraged, and every contribution counts
• Professional Development: Work alongside industry experts to enhance your skills and knowledge in a cutting-edge field
• International Experience: Gain opportunities to work in different 1GLOBAL offices around the world as you grow within the company
• Open Communication Culture: Join a team where your ideas are heard, and open dialogue is encouraged, fostering a supportive and transparent work environment
• Get Things Done Attitude: Be part of a results-driven team that values efficiency, creativity, and the drive to make a tangible impact in the industry