Backend Software Engineer – Golang, Java

🕒 July 31

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1GLOBAL

WebsiteLinkedInAll Job Openings

501 - 1000 employees

💼 Consulting

📦 Logistics

📣 Marketing

Consulting • Logistics • Marketing

1GLOBAL is a leading telecommunications company dedicated to creating better connections between people, devices, and businesses through innovative mobile solutions. Based in the UK, the company specializes in eSIM technology, internet telephony, and global communication services. By investing significantly in its infrastructure, 1GLOBAL aims to revolutionize connectivity on a global scale, enabling seamless interactions across international enterprises, IoT device makers, and telecommunications operators. Through its unique offerings, 1GLOBAL connects billions of individuals and devices, fostering a world where communication is improved and more efficient.

📋 Description

• 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.

🎯 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.

🏖️ Benefits

• CLT contract — enjoy job stability and reliable benefits that value your work • Quarterly performance bonuses to reward your hard work and achievements • Meal allowance paid into Caju card — R$100 per working day • Health insurance with SulAmérica — 50% covered by the company • Extended parental leave — 180 days of maternity leave and 20 days of paternity leave. • Daycare allowance provided to mothers with children under 3 years old — R$500 per month per child