Java Kotlin Engineer

Tech Aalto Pte ltd; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

Tech Aalto Pte ltd in Singapore seeks a skilled Java/Kotlin developer to design, build, and deliver scalable Java-based solutions. You will work on middleware, REST/SOAP services, and database interactions, ensuring alignment with bank standards and quality practices.

The role requires strong CS fundamentals, TDD, and experience with AWS/DevOps, CI/CD, and containerization. Collaboration in Agile teams and ability to resolve production issues is essential.

Qualifications

• Core Java, Kotlin and JUnit are required.
• Spring Boot experience is required.
• Strong CS knowledge: algorithms, data structures, OO design.
• TDD and ability to write acceptance tests.
• Basic Linux shell scripting.
• JMS/MQ messaging concepts.
• Relational DB concepts, SQL optimization.
• Web services: REST and SOAP.
• Spring core concepts.
• DevOps and AWS cloud experience (CI/CD, containers).
• Familiarity with IntelliJ, Git, SonarQube/SonarLint.
• Desirable: JBoss, JPA/EJB, Kafka, ReactJS.

Responsibilities

• Communicate highly technical issues to non-technical audience.
• Develop and deliver with Java/Kotlin, Spring Boot, MySQL/Oracle and MQ.
• Translate requirements into scalable, stable technical solutions.
• Tackle complex legacy defects and ensure banking standards.
• Investigate and resolve production issues to maintain stability.

Skills

Core Java

Kotlin

JUnit

Spring Boot

TDD

Linux shell scripting

JMS/MQ

SQL/Query optimization

REST/SOAP

Spring core concepts

DevOps/AWS (CI/CD, containers)

IntelliJ

Git

SonarQube/SonarLint

JBoss

JPA/EJB

Kafka

ReactJS

Tools

IntelliJ

Git

SonarQube/SonarLint

JBoss

JPA

EJB

Kafka

ReactJS

Job description

Key Features of the Position

Functional / Technical

• Communicate highly technical issues to non-technical audience.
• Earn good reputation of being technically strong in the organization by help solving problems others struggle
• Development and delivery with Java /Kotlin , EJB, Spring Boot, MySQL, Oracle and IBM MQ.
• Understand business / system requirements and translate them into technical solutions that are scalable, stable and fit for purpose.
• Tackle very complex legacy defects that mediocre developers cannot analyse/solve.
• Ensure adherence to the bank standards (including code, security and performance).
• Passionate about technologies and building robust and scalable Java Systems.
• Analysis, design coding, and implementation of complex and custom-built applications.
• Work collaboratively with team to achieve goals. Experience working in Agile methodologies, such as Scrum, and/or Extreme programming.
• Investigate and resolve production issues to help maintain a stable production environment; remain cool and effective in crisis.

Regulatory Responsibilities &/OR Risk Management

• Demonstration of appropriate values and behaviours including but not limited to standards on honesty and integrity, due care and diligence, fair dealing (treating customers fairly), management of conflicts of interest, competence and continuous development, adequate risk management, and compliance with applicable laws and regulations
• Take responsibility for ensuring that risks and issues are identified and managed closely and drive all stakeholders to deliver on time and to the required quality standards

Skills Requirements of the Position

Professional and Technical

Professional

• Well organized and ability to prioritise and carry out multiple tasks
• Able to influence and drive projects to meet key milestones and overcome challenges
• Able to translate functional requirements to efficient and fit-for-purpose technical solutions
• Preferably, have experience in finance/banking or public sector domain.

Technical

Must Have:

• Core Java , Kotlin and JUnit.
• Spring Boot
• Strong computer science knowledge (algorithms, data structures, object-oriented design)
• TDD. Able to write acceptance test.
• Basic Linux shell scripting commands
• Java Messaging Concepts. (JMS, MQ)
• Relational Database concepts, SQL, joins, index, triggers etc.
• Web Services Rest, SOAP.
• Spring core concepts.
• Experience in SQL queries optimisation
• Basic DevOps and AWS cloud experience (CI/CD, containerisation, common AWS services)
• Familiarity with Intellij, Git, SonarQube/SonarLint

Desirable:

• JBOSS (or any other application server knowledge).
• Java Server Faces, JPA, EJB knowledge.
• Able to write/understand complex SQL queries.
• Kafka
• React JS