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Ascendion

Back End Developer

Ascendion
Singapore · Contract · Mid-Senior

Role:

  • We’re looking for an experienced senior backend developer to design and build data-driven systems at scale.
  • You’ll work with a modern stack (Java, SQL, Spark, AWS, Docker/Kubernetes) to power high-volume data pipelines and backend services that directly influence business-critical decisions.
  • This is a high-impact role where you’ll have ownership of core systems, collaborate across teams, and grow into leadership or architecture roles as the team scales.


Responsibilities:

  • Design, develop, and maintain high-performance backend services for large-scale data processing and analytics.
  • Collaborate with cross-functional teams to translate business requirements into technical solutions that support real-world impact.
  • Optimize performance for data-intensive applications (memory, query tuning, parallel processing).
  • Integrate and manage data systems (PostgreSQL, MS SQL Server, Snowflake, and data warehouses).
  • Develop CI/CD pipelines for backend and data workflows using GitLab/Jenkins.
  • Implement security best practices to ensure compliance with data protection standards.
  • Contribute to team growth by participating in code reviews, sharing knowledge, and mentoring junior engineers.


Required Skills:

  • 6+ years in Java backend development, focused on data-intensive applications.
  • Advanced SQL expertise (complex queries, optimization).
  • Experience with parallel/distributed data processing (Apache Spark, Flink).
  • Hands-on with cloud platforms (AWS preferred; GCP/Azure also valued).
  • Strong knowledge of CI/CD pipelines, version control, and software best practices.
  • Familiarity with Docker/Kubernetes for containerization.


Preferred Skills:

  • AWS certification (Solutions Architect / Data Engineer).
  • Python scripting for data analysis.
  • Data warehousing and ETL design experience.
  • Familiarity with visualization tools (Tableau, Power BI).
  • Agile/Scrum project experience.

Key Skills

Ranked by relevance

sql spark java cicd aws postgresql sql server tableau apache server cloud etl
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Posted
Sep 22, 2025
Type
Contract
Level
Mid-Senior
Location
Singapore
Company
Ascendion

Industries

Financial Services

Categories

Information Technology

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