Senior Big Data Developer

Peoplebank Singapore Pte Ltd; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Peoplebank Singapore Pte Ltd is seeking a Senior Big Data Developer to join our technology team in Singapore. The successful candidate will design, develop, and maintain high-performance big data solutions in a structured Agile environment.

The role requires hands-on experience with Java/J2EE and big data technologies such as Spark and Hadoop, plus strong knowledge of design patterns, performance tuning, and distributed data systems. Collaboration and documentation are essential.

Qualifications

• 8+ years of hands-on Java/J2EE development experience.
• Hands-on experience with Spark, Hadoop, and other big data tech.
• Degree or Diploma in Computer Science or related field (or equivalent).

Responsibilities

• Analyze functional specifications and provide constructive technical feedback.
• Design and implement robust, scalable, and high-quality software solutions.
• Provide effort estimations and technical input for project planning.
• Develop solutions using Test-Driven Development (TDD) and Behavior-Driven Development (BDD).
• Perform non-functional testing, including performance and scalability assessments.
• Review design documents and code produced by team members.
• Maintain comprehensive technical documentation.
• Support functional and user acceptance testing (UAT).
• Provide L3 production support, including investigation and resolution of technical issues.

Skills

Java/J2EE

Big data

Agile/Scrum

Multithreading

Performance tuning

Communication

Education

Degree or Diploma in Computer Science/Info Systems

Tools

Apache Spark

Apache Hadoop

HBase

Elasticsearch

IBM MQ

Apache Kafka

Maven

Gradle

Jenkins

Git

GitLab

JUnit

Cucumber

SonarQube

Spring Framework

RESTful APIs

gRPC

Microservices

Kibana

Spark UI

ELK Stack

Oracle

MySQL

Job description

Job Overview:We are seeking a skilled and experiencedSenior Big Data Developerto join our technology team. The ideal candidate will be responsible for designing, developing, and maintaining high-performance big data solutions, while working collaboratively within a structured Agile development environment.

Key Responsibilities:

• Analyze functional specifications and provide constructive technical feedback
• Design and implement robust, scalable, and high-quality software solutions
• Provide effort estimations and technical input for project planning
• Develop solutions usingTest-Driven Development (TDD)andBehavior-Driven Development (BDD)methodologies
• Perform non-functional testing, including performance and scalability assessments
• Review design documents and code produced by team members
• Maintain comprehensive technical documentation
• Support functional and user acceptance testing (UAT)
• Provide L3 production support, including investigation and resolution of technical issues

Required Qualifications & Experience:

• At least8 years of hands-on experienceinJava/J2EEdevelopment
• Practical experience inbig data technologies(e.g., Spark, Hadoop)
• Degree or Diploma in Computer Science, Information Systems, or related field (or equivalent professional experience)
• Experience inAgile/Scrumdevelopment methodologies
• Solid understanding of full software development lifecycle and large-scale system design

Technical Skills:

• Strong knowledge of design patterns, system performance tuning, and optimization
• Proficiency inJava 1.8+, including multithreading and concurrency concepts
• Hands-on experience withApache Spark,Hadoop, and big data processing frameworks
• Familiarity withHBase,Elasticsearch, and large-scale distributed data systems
• Experience with messaging tools such asIBM MQandApache Kafka
• Skilled in usingDevOpstools includingMaven,Gradle,Jenkins,Git,GitLab
• Familiarity with quality and testing tools:JUnit,Cucumber,SonarQube
• Experience withSpring Framework,RESTful APIs,gRPC,Microservices, and ORM frameworks
• Working knowledge of monitoring tools likeKibana,Spark UI, and theELK Stack
• Experience with relational databases such asOracleorMySQLis a plus

Desirable Skills:

• Exposure to banking or financial domains, particularly corporate banking or cash management
• Familiarity with secure coding practices and structured development processes
• Strong analytical, communication, and collaboration skills
• Ability to work well in team settings and share technical knowledge