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Apache Doris Developer - Data Engineering at C…

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Convergence Consulting

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Convergence Consulting

Kolkata · On-site · 1-3 Yrs · 4 days ago

1 open role1 posted in 7d1 in 30d

Hiring: Engineering

Job description

Responsibilities

1. Migration & Delivery : - Migrate SQL workloads, transformations, and data models from Snowflake and Spark to Apache Doris.
Translate Snowflake-specific SQL (semi-structured VARIANT / OBJECT, stored procedures, tasks, streams) and Spark jobs into equivalent, validated Doris SQL.
Design Doris table models appropriately
Duplicate, Aggregate, and Unique key models - mapping source schemas to the right model for each workload.
Integrate Apache Iceberg via Doris Multi-Catalog for federated lakehouse querying, and design ingestion paths from Iceberg into native Doris tables where low latency is required.
Design and implement data-parity validation - schema, row-count, and value-level reconciliation between source (Snowflake/Spark) and target (Doris/Iceberg).2. Query Engineering & Performance : - Write, optimize, and troubleshoot complex analytical SQL on Doris (MySQL-protocol compatible).
Tune query performance : bucketing/partitioning strategy, colocate joins, runtime filters, and the cost-based optimizer.
Design and maintain materialized views, rollups, and indexes (inverted, bitmap, bloom filter, N-gram) to accelerate queries.
Analyze query plans (EXPLAIN, profile) and resolve memory pressure, tablet skew, and slow scans.Required Skills & Qualifications : - Hands-on production experience with Apache Doris (or a comparable MPP OLAP engine
StarRocks, ClickHouse, Greenplum).
Strong, deep SQL expertise - complex analytical queries, window functions, CTEs, query optimization.
Solid understanding of Doris architecture (FE/BE), the three data models (Duplicate/Aggregate/Unique), partitioning, bucketing, and tablet/replica management.
Experience with Apache Iceberg (or comparable open table formats
Delta Lake, Hudi) and lakehouse / external-catalog federation.
Practical experience with Snowflake and/or Apache Spark - enough to read, understand, and migrate existing workloads.
Understanding of distributed / MPP query execution : join distribution, runtime filters, memory management, and data skew.
Experience with cloud object storage and columnar file formats (Parquet, ORC).
Proficiency in at least one programming language (Python, Java, or Scala) for tooling, UDFs, and automation.
Version control (Git) and CI/CD for data pipelines.Preferred / Nice-to-Have : - Experience leading a Snowflake
Doris or Spark
Doris migration at scale.
Experience building data-validation / reconciliation frameworks for migration parity.
Knowledge of Doris internals or connector development (custom UDFs/UDAFs).
Workflow orchestration (Airflow, Dagster) and dbt (with a Doris adapter).
Data governance, lineage, and cost-optimization tooling.Soft Skills : - Strong analytical and problem-solving mindset for debugging correctness and performance issues.
Clear communication - able to document migration decisions and work with analytics, platform, and business teams.
Ownership mentality with attention to data correctness and reliability. (ref:hirist.tech) .

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Last updated 24 October 2026

How do I apply for Apache Doris Developer - Data Engineering at Convergence Consulting?: Open this job on Feedback AI and sign up free (or sign in). You can apply from the job detail page; match scores and skill gaps appear when your profile is complete. Convergence Consulting may attach structured assessments to interview rounds after you apply.
Does Feedback AI show a match score for this Apache Doris Developer - Data Engineering role?: Yes after you add a resume or skills. Match score ranks this role against your profile — skills met, gaps, level, and location — so you prioritise applications where fit is strongest.
Is Apache Doris Developer - Data Engineering remote or on-site in Kolkata, West Bengal?: This listing is marked on_site with location Kolkata, West Bengal. Confirm details on the job description before applying.
What skills matter for this Apache Doris Developer - Data Engineering role at Convergence Consulting?: This is a mid-level Apache Doris Developer - Data Engineering role. Key skills include skills listed in the job description. Feedback AI highlights matched vs missing skills on your profile after signup.

Job description

Responsibilities

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