Sr Backend Engineer Java Springboot

About Penbrothers

Penbrothers is an HR & remote talent management partner and one of the fastest-growing companies in the Philippines. We provide talented Filipinos with global opportunities in high-growth startups and dynamic companies, from the comfort of their own homes.

About the Client

Our client is one one of the world’s leading entertainment providers, with tens of millions of players and thousands of employees across the globe. They are well positioned strategically for future growth in an evolving global sector. In the Philippines, they have 100+ employees working on various applications and systems to support and optimize their global operations.

About the Role

We are looking for a motivated, experienced, and hands-on Backend Engineer to join our team as part of our new Manila-based offshore team. Reporting into the Team Lead (Manila) and working closely with engineering leadership in Malta, you will contribute to the delivery of scalable, high-performance data and marketing solutions.

In this role, you will work on scalable backend systems and services that power a cutting-edge AI/ML, Data, and Marketing platform, including our Marketing Hub product. You will operate within a modern, cloud-based ecosystem, building and maintaining both synchronous and asynchronous services, and leveraging distributed systems and real-time data processing technologies.

Our Marketing Core product is a market-leading, real-time, cloud-based marketing platform which powers our Sports and Casino sites across all regions, supporting Marketing operations — offers, campaigns, promotions, rewards, and more. The current tech stack includes Java 11/17, Spring, Kafka, MongoDB, GraphQL, Debezium, Python, AWS, Terraform, React, and Node.

What youll Do

• Design and build scalable, secure, and high-performance backend systems, including microservices and distributed architectures.
• Design and build robust RESTful or GraphQL APIs and backend services with a focus on reliability and maintainability.
• Design and work with databases (SQL/NoSQL), ensure data integrity, and implement efficient data access and storage patterns.
• Identify bottlenecks and contribute to solutions for caching, load balancing, and horizontal/vertical scaling.
• Deliver clean, testable code and uphold engineering standards through code reviews and best practices.
• Implement automated testing strategies and support continuous integration and deployment pipelines.
• Work with cloud infrastructure, observability tools, and deployment systems, and support production incidents and on-call rotations as part of the team rota.
• Collaborate with cross-functional teams to translate business needs into technical solutions, working under the guidance of the Manila Team Lead.
• Ensure that an acceptable level of documentation is maintained for delivered solutions.
• Raise technological and process concerns in a timely manner, with particular focus on agility, security, privacy, and cloud cost.

What You Bring

• At least 4 years of hands-on software engineering experience.
• Strong Java, Spring Boot, and microservice engineering experience.
• Experience with APIs and streaming technologies such as Kafka or RabbitMQ.
• Experience with NoSQL databases such as MongoDB.
• Good understanding of database concepts with strong SQL skills.
• Excellent understanding of software design principles.
• Ability to identify and provide alternatives to process or solution shortcomings.
• Demonstrable experience in Agile development environments.
• Excellent verbal and written communication skills in English.

Nice to Have

• Cloud experience in AWS (preferred), Azure, or GCP.
• Experience with containerised workloads (Docker, Kubernetes).
• Knowledge of Front-End and/or Python development.
• Experience with GraphQL, Debezium, or Terraform.
• Experience with, or willingness to adopt, AI-assisted development tools (e.g., Cursor, Claude).

Our Hiring Process

We utilize AI tools to enhance hiring efficiency and ensure a fair evaluation. Consequently, candidates will engage with an AI Interviewer, supervised by Human Talent Acquisition Experts who will support your entire application journey.

Our AI Expectations: While we encourage you to use AI for CV refinement and research, we require that all interviews and assessments be completed through your own authentic effort. The use of real-time AI assistance during interviews or to complete skills tests is strictly prohibited to ensure a fair and genuine evaluation of your capabilities.

What You’ll Get

At Penbrothers, we are obsessed with creating positive employee experiences. Here you’ll find an environment that nurtures learning and provides opportunities for growth. You’ll have the opportunity to make an impact on fast-growing startups and dynamic companies.

· Meaningful work & Growth: We take every opportunity to stretch ourselves and deliver an excellent client experience.

· Employee as our biggest asset: We are genuinely invested in our people’s career and welfare.

· Global reach & local impact: Get to work with high-growth startups and dynamic companies from the comfort of your own home.

· Powering global startups: We’ve created 1,400 Filipino jobs that empower global start-ups to focus on growth.