Data Engineering
Big Data Engineering Services
Process billions of events, logs and transactions reliably and affordably, with distributed batch and streaming platforms engineered for scale from day one.
Turn High-Volume Data into Timely, Usable Insight
Clickstreams, IoT telemetry, application logs, payment events and machine data arrive faster and in larger volumes than traditional databases were designed to handle. Big data engineering applies distributed storage and compute, such as Apache Spark, Apache Kafka and cloud object storage, so that terabytes of raw data can be processed in minutes and streaming events can trigger action in seconds.
Hanoi Technology builds and optimizes big data platforms that stay fast and affordable as volumes grow. We design partitioning and file layouts, tune Spark jobs, build fault-tolerant streaming pipelines and migrate aging Hadoop clusters to managed cloud services, always with monitoring and cost controls in place.
The Challenge
Common Big Data Challenges We Solve
Scale exposes weaknesses that small datasets hide; these are the issues we see most often.
Slow and Unpredictable Jobs
Spark jobs that took minutes now take hours because of data skew, small files, excessive shuffles or poor partitioning. SLAs slip and downstream teams wait for data.
Exploding Compute and Storage Costs
Oversized clusters, always-on resources and repeated full scans of historical data drive cloud bills up faster than data volumes. Few teams know which jobs cost the most.
Fragile Streaming Pipelines
Real-time pipelines that lose or duplicate events, fall behind during traffic peaks or break on schema changes erode trust in every metric built on them.
Aging Hadoop Estates
On-premises Hadoop clusters are expensive to maintain, hard to staff and difficult to upgrade, yet they still run business-critical batch processing that must not be interrupted.
Business Value
Business Value of Well-Engineered Big Data
Insights at the Speed of Events
Streaming pipelines turn raw events into metrics, alerts and features within seconds. Fraud, outages and stockouts are caught while they can still be prevented.
Scale Without Re-Architecture
Elastic compute and well-designed storage layouts handle ten times today’s volume without a rebuild. Growth becomes a configuration change, not a project.
Predictable, Optimized Spend
Autoscaling, spot capacity, efficient file formats and incremental processing cut waste. Cost attribution shows each team what its workloads consume.
Richer Data for Analytics and AI
Detailed event-level history, not just aggregates, becomes available for behavioral analytics and machine learning. Models learn from what customers and machines actually do.
Big Data Is an Engineering Problem, Not a Tooling Problem
Buying a distributed platform does not make data fast or reliable. Results come from careful choices about partitioning, file sizes, state management, idempotency and backpressure. Our engineers make those choices deliberately and measure their effect, so performance and cost are designed rather than discovered in production.
Our Services
Hanoi Technology’s End-to-End Big Data Services
From architecture to tuning and migration, we cover the full lifecycle of large-scale data processing.
Big Data Architecture and Platform Selection
We evaluate your workloads, latency needs and team skills, then recommend storage, compute and streaming components across Databricks, AWS, Azure and Google Cloud. Trade-offs between managed and self-managed options are documented clearly.
- Workload and volume analysis
- Reference architecture
- Platform comparison and cost model
Batch Processing with Apache Spark
We build and refactor large-scale batch pipelines in PySpark, Scala or Spark SQL with proper partitioning, incremental processing and tests. Jobs become predictable in runtime and cost.
- Spark pipeline development
- Incremental and merge-based loads
- Unit and data tests
Real-Time Streaming Pipelines
We design event pipelines on Kafka, Amazon Kinesis, Azure Event Hubs or Google Pub/Sub, processed with Spark Structured Streaming or Apache Flink. Exactly-once or idempotent semantics prevent duplicates.
- Topic and schema design
- Stream processing jobs
- Late-data and replay handling
Performance and Cost Optimization
We profile slow and expensive jobs, fix data skew, compact small files, tune cluster sizing and introduce caching where it pays off. Every change is measured before and after.
- Job profiling report
- Optimization backlog with savings estimates
- Cost attribution dashboards
Hadoop to Cloud Migration
We inventory HDFS data, Hive tables, Oozie workflows and custom jobs, then migrate them to cloud object storage and managed engines in phases, running both environments until outputs match.
- Hadoop estate inventory
- Phased migration plan
- Parallel-run reconciliation
Big Data Platform Operations
Our managed service monitors clusters and pipelines, responds to incidents, applies upgrades and continuously tunes cost and performance, with weekly written reports.
- 24×7 or business-hours monitoring options
- Incident and capacity management
- Monthly optimization reviews
Our Approach
Our Approach to Big Data Projects
We start with measurement and finish with a platform your team can run confidently.
- 01
Measure the Baseline
We collect job runtimes, data volumes, cluster utilization and costs to understand where time and money go today, and confirm the latency each use case truly needs.
Deliverables: Baseline metrics · Workload classification
- 02
Design for Scale
We define storage layout, partitioning, file formats, streaming topology and compute strategy, sized for projected growth rather than current volumes.
Deliverables: Target architecture · Capacity and cost forecast
- 03
Build and Test at Realistic Volume
We implement pipelines and validate them with production-scale data, including peak-load and failure tests, so surprises happen in testing instead of production.
Deliverables: Production-grade pipelines · Load and failover test results
- 04
Optimize and Harden
We tune the slowest and most expensive jobs, add observability, alerting and data quality checks, and set up CI/CD for repeatable deployments.
Deliverables: Optimization report · Monitoring and alerting setup
- 05
Operate and Evolve
We run the platform alongside your team, document runbooks and keep reviewing cost and performance as data and use cases grow.
Deliverables: Runbooks · Ongoing optimization roadmap
Use Cases
Big Data Use Cases
Examples of large-scale processing our engineers design and build.
Clickstream and Behavioral Analytics
Process billions of web and app events into sessions, funnels and cohorts. Product and marketing teams analyze real user journeys instead of samples.
Real-Time Fraud and Risk Signals
Score payment and login events in streaming pipelines against rules and models. Suspicious activity is flagged in seconds before money leaves the account.
IoT and Telemetry Processing
Ingest sensor readings from thousands of devices, clean them and compute rolling aggregates. Maintenance teams receive alerts when equipment drifts outside normal ranges.
Log Analytics and Observability Data
Centralize application and infrastructure logs at scale for search and analysis. Engineers investigate incidents across systems from one place.
Recommendation and Personalization Features
Compute user and item features from interaction history every few minutes. Recommendation models stay current with what customers are doing now.
Logistics and Fleet Event Processing
Combine GPS pings, order events and traffic data into live delivery estimates. Dispatchers rebalance routes and warn customers of delays proactively.
Technology
Big Data Technologies We Use
Open-source engines and managed cloud services selected for each workload.
- Apache Spark
- Apache Kafka
- Apache Flink
- Databricks
- Amazon EMR
- Amazon Kinesis
- Azure Event Hubs
- Google Dataproc
- Google Pub/Sub
- Delta Lake
- Apache Iceberg
- Apache Parquet
- Trino
- ClickHouse
- Confluent
- Hive Metastore
Platforms
Deliver Big Data on Your Preferred Platform
- DatabricksUnified lakehouse for data engineering, analytics and AI.Explore
- AWSBuild, migrate and run data and AI workloads on Amazon Web Services.Explore
- Microsoft AzureModernize data, analytics and AI within your Azure tenant.Explore
- Google CloudBigQuery, Looker and Vertex AI for data-driven organizations.Explore
- ClouderaHybrid data platform for big data and analytics.Explore
Why Hanoi Technology
Why Organizations Choose Hanoi Technology
Senior, Cross-Functional Teams
Strategy, data, AI, cloud and engineering specialists work as one team, so nothing is lost between hand-offs.
Proven Delivery
More than 50 projects delivered for clients in North America, Europe and Asia-Pacific.
Radical Transparency
A written update every week and a demo of working software every sprint, so you always know where things stand.
Cost-Effective Global Delivery
Experienced engineers from our Hanoi delivery hub, with working-hour overlap for every major time zone.
Success Story · Food delivery
AI dispatch and live tracking for a food delivery startup
A fast-growing urban food delivery startup was losing customers to slow deliveries at peak times. We built AI order dispatching and connected restaurants, drivers and customers in real time.
Read the Full StoryMore Success Stories
Logistics
−25%operational costsRoute optimization and fleet visibility for a regional logistics company
A regional delivery company handling thousands of shipments a day was planning routes and dispatching by hand. We built dynamic route optimization, a fleet dashboard and a driver app.
E-commerce and retail
+32%conversion ratePersonalized shopping experience for a US fashion retailer
A fast-growing US fashion and lifestyle retailer had plenty of traffic but a 2.1% conversion rate. We combined a recommendation engine with a simpler path from discovery to checkout.
Resources
Featured Resources
Industry trends and practical guidance to help you get more value from data, AI and technology.
FSMA 204 After the Delay: Using Shipment Monitoring to Get Traceability-Ready by 2028
The FDA Food Traceability Rule deadline moved to July 2028, but the data work is large. Here is how to use shipment monitoring and event data to get ready without wasting the extra time.
CSRD After the Omnibus: What the Revised ESRS Mean for Reporting From 2027
The Omnibus and the simplified ESRS reshaped EU sustainability reporting in 2026. Here is who is in scope, what changed in the standards and how to adapt your data and process.
OpenTelemetry in 2026: Building a Vendor-Neutral Observability Strategy
OpenTelemetry has become the default way to collect telemetry. Here is what changed in 2026 and a practical roadmap for a vendor-neutral observability stack.
Make Your Big Data Platform Faster and Leaner
Share your current workloads, volumes and pain points with our engineers. We will reply within 24 hours and arrange a free consultation to identify the quickest performance and cost wins.
Big Data FAQ
When do we actually need big data technology?
You need distributed processing when single-node databases can no longer load, transform or query your data within the time you need, typically with high event volumes, long histories or real-time requirements. Many organizations do not, and a well-designed cloud warehouse is simpler and cheaper. We assess your volumes, growth and latency needs honestly and recommend the simplest architecture that meets them.
Should we use batch or streaming?
Choose based on how quickly a decision must be made. Most reporting is well served by hourly or daily batch processing, which is simpler and cheaper to run. Streaming is worth the extra complexity when value depends on reacting within seconds or minutes, such as fraud detection, live operations or personalization. Many platforms combine both, and we design them so the same logic can serve batch and streaming where possible.
Can you migrate our on-premises Hadoop cluster to the cloud?
Yes. We inventory HDFS data, Hive metadata, workflows and custom code, then decide per workload whether to rehost, refactor to Spark on a managed service or replace it. Data moves in phases, and both environments run in parallel while we reconcile outputs. Decommissioning happens only after results match and downstream consumers have been repointed.
How do you reduce Spark and cluster costs?
We start by measuring which jobs consume the most compute, then address the usual causes: data skew, small files, unnecessary shuffles, full reprocessing of history, oversized or idle clusters and inefficient formats. Fixes include partition and file compaction, incremental processing, autoscaling, spot or preemptible capacity and job-level cost attribution. We measure every change so savings are verified, not assumed.
How do you guarantee data is not lost or duplicated in streaming?
We design for failure. Pipelines use durable logs such as Kafka, checkpointing, idempotent writes or transactional sinks, and dead-letter queues for malformed messages. Schema registries prevent incompatible changes, and replay procedures allow reprocessing from a known offset. Monitoring tracks consumer lag and end-to-end completeness so problems surface quickly.
How do you secure large-scale data platforms?
We apply network isolation, encryption at rest and in transit, role-based access to tables and topics, secrets management and audit logging. Sensitive fields are classified and masked or tokenized according to policy. Infrastructure is defined as code and reviewed, which keeps environments consistent and auditable across development, testing and production.