Backend Developer

PT. Trimegah Sekuritas Indonesia, Tbk; Jakarta Selatan; On-site; IDR 334,800,000 - 669,600,000; Full time

Job summary

PT. Trimegah Sekuritas Indonesia, Tbk is seeking a skilled back-end engineer to design, develop, and maintain high-performance services using Java (Quarkus) and C# (.NET).

You will build RESTful APIs, collaborate on microservices, and work with Vue.js/React frontends, Docker, and Kubernetes to deliver reliable solutions in Jakarta.

The role emphasizes testing, code reviews, and cloud familiarity (AWS/Azure/GCP) while joining a collaborative, English‑speaking team.

Qualifications

• 4+ years of hands‑on software development experience in Java or C#.
• 2+ years RESTful API design/development.
• 1+ years building microservices.
• Proficient with SQL databases (PostgreSQL) and NoSQL (MongoDB/Redis).
• OOP and design patterns proficiency.
• Strong SQL debugging and writing complex queries.
• Kafka/Nats message queues familiarity; Protobuf/gRPC a plus.
• Git version control and collaboration in a team.
• Docker and Kubernetes experience; cloud basics (AWS/Azure/GCP) a plus.
• Frontend basics: HTML/CSS/JS; Vue.js or React familiarity.

Responsibilities

• Design, develop, and maintain backend services with Java Quarkus and C# .NET.
• Develop and manage RESTful APIs for internal/external use and API contracts.
• Participate in full SDLC from requirements to deployment and support.
• Contribute to architecture reviews for new services and features.
• Assist frontend integration using Vue.js and React.
• Monitor, troubleshoot, and optimize backend performance.
• Containerize services for Kubernetes and collaborate with DevOps.
• Write unit and integration tests to ensure code quality.

Skills

Java (Quarkus)

C# (.NET)

RESTful APIs

Microservices

SQL (PostgreSQL)

NoSQL (MongoDB/Redis)

Docker

Kubernetes

Git

Protobuf/gRPC

Kafka/Nats

Cloud (AWS/Azure/GCP)

Frontend basics (HTML/CSS/JS)

English

Tools

Vue.js

React

PostgreSQL

MongoDB

Redis

Git

Docker

Kubernetes

Quarkus

.NET

Job description

• Design, develop, and maintain robust, scalable, and high-performance backend services using Java (Quarkus) and C# (.NET)
• Develop and manage APIs (RESTful) for internal and external consumption, and coordinate and oversee the definition of API contracts for services
• Participate in the full software development lifecycle, from requirements gathering to deployment and support
• Contribute to architecture review and discussions for new services and feature development
• Assist in the debugging and integration of frontend clients, using a variety of technologies such as Vue.js and React
• Monitor, troubleshoot, and optimize backend services for performance and reliability
• Containerize services for Kubernetes, and work with DevOps team to deploy, debug, and optimize backend services
• Implement secure and efficient database interactions and data storage solutions
• Participate in code reviews, ensuring adherence to coding standards and best practices
• Write comprehensive unit and integration tests to ensure code quality and reliability

Job Description

• Design, develop, and maintain robust, scalable, and high-performance backend services using Java (Quarkus) and C# (.NET)
• Develop and manage APIs (RESTful) for internal and external consumption, and coordinate and oversee the definition of API contracts for services
• Participate in the full software development lifecycle, from requirements gathering to deployment and support
• Contribute to architecture review and discussions for new services and feature development
• Assist in the debugging and integration of frontend clients, using a variety of technologies such as Vue.js and React
• Monitor, troubleshoot, and optimize backend services for performance and reliabilityContainerize services for Kubernetes, and work with DevOps team to deploy, debug, and optimize backend services
• Implement secure and efficient database interactions and data storage solutions
• Participate in code reviews, ensuring adherence to coding standards and best practices
• Write comprehensive unit and integration tests to ensure code quality and reliability

Minimum Qualifications

• 4+ years of hands‑on software development experience in Java, C# or similar programming language
• 2+ years of hands‑on development experience designing and developing RESTful APIs
• 1+ years experience building and maintaining microservices in a variety of programming languages
• Demonstrated hands‑on development experience with relational, SQL databases such as PostgreSQL and NoSQL databases such as MongoDB or Redis
• Proficient with Object‑Oriented Programming (OOP) and Design Patterns
• Strong understanding and demonstrated proficiency in writing, debugging, and maintaining complex SQL queries
• Familiarity with Go, Elixir, PHP, or other languages is a plus
• Previous experience with Protobuf/gRPC is a plus
• Strong understanding and familiarity with message queues/brokers such as Kafka, Nats. IO
• Demonstrable experience writing comprehensive unit tests for backend code
• Experience with version control systems, especially Git
• Understanding of microservices architecture principles
• Familiarity with containerization technologies (Docker) and orchestration (Kubernetes)
• Eagerness to learn and adapt to new technologies, especially Kubernetes
• Experience with cloud platforms (e.g., AWS, Azure, GCP) is a plus
• Basic understanding of frontend technologies (HTML, CSS, JavaScript) and modern JavaScript frameworks (Vue. js, React)
• Excellent problem‑solving skills and attention to detail
• Ability to work independently and as part of a collaborative team
• Proficiency in English
• Comfortable with AI assisted development
• Familiar with AI agentic workflow

Unlock job insights

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Established in May 1990, now Trimegah Securities is more than just one of the largest and fully integrated securities companies in Indonesia. It is admittedly one of the most trusted securities companies in Indonesia.

Equity Capital Markets Division provides equity brokerage service and margin lending facility for retail and institutional clients. Debt Capital Markets Division facilitates government bond transactions, including Retail Government Bond, Retail Shariah Government Bond, and corporate bonds. Investment Banking Division provides bonds and equity underwriting service, arranger as well as financial advisory. Our subsidiary, PT Trimegah Asset Management, which is established in January 2011, provides clients with various types of mutual funds.

All of these are served through 17 branch offices in 13 major cities throughout Indonesia. The extensive network is expected to further increase clients' access to Trimegah's products and services. On top of that Trimegah is always committed to information technology development that will increase the quality of our products and services, and our operations.

Established in May 1990, now Trimegah Securities is more than just one of the largest and fully integrated securities companies in Indonesia. It is admittedly one of the most trusted securities companies in Indonesia.

Equity Capital Markets Division provides equity brokerage service and margin lending facility for retail and institutional clients. Debt Capital Markets Division facilitates government bond transactions, including Retail Government Bond, Retail Shariah Government Bond, and corporate bonds. Investment Banking Division provides bonds and equity underwriting service, arranger as well as financial advisory. Our subsidiary, PT Trimegah Asset Management, which is established in January 2011, provides clients with various types of mutual funds.

All of these are served through 17 branch offices in 13 major cities throughout Indonesia. The extensive network is expected to further increase clients' access to Trimegah's products and services, and our operations.