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Kafka Integration · Swansea

Kafka Integration in Swansea

Integrating systems through Kafka for Swansea organisations, where the key on each message decides more than it appears to. Ordering holds within a partition and not across them, so events for the same customer or order must share a key to be processed in sequence — and choosing that key badly also concentrates traffic onto one partition.

Why this comes up

The problem

Order events are published without a key, spread across partitions, and are being processed out of sequence.

What you get

What we deliver

  • Partition key chosen so related events stay ordered relative to each other
  • Key distribution checked, since a poor choice sends most traffic to one partition
  • Consumers written to tolerate a message arriving more than once
  • Offset commits placed after processing rather than on receipt
  • Message schemas versioned, because producers and consumers deploy separately
  • Retention set against how long a consumer might realistically be behind

Want this scoped for your business in Swansea?

Thirty minutes, no charge, no sales script. You leave with a written summary of what kafka integration would actually involve — whether or not you use us.

Book a 30-minute call

Working in Swansea

Wales

Swansea combines a large university and health board presence with a coastal tourism economy, and Welsh-language provision is a practical requirement on public-facing work rather than an optional extra.

Bilingual public-facing systems for institutional clients, and seasonal booking for the Gower tourism trade.

Sectors we work with in Swansea

  • Higher Education
  • Healthcare
  • Manufacturing
  • Tourism
  • Public Sector

What we work with

Technologies and platforms

  • Apache Kafka
  • Java
  • Python
  • Schema Registry

Who we work with

Industries we serve

  • Financial services
  • Retail
  • Logistics
  • Telecommunications
  • Energy and utilities

Why us

Why Swansea businesses choose Asionis

  • Projects typically launched within 4–8 weeks
  • No long-term contracts required
  • All team members UK-based
  • Dedicated account manager and development team
  • Transparent reporting with monthly performance metrics
  • Scalable from startup to enterprise

How we work

  1. Step 1

    Free consultation

    A 30-minute call to understand the problem. You keep the written summary either way.

  2. Step 2

    Proposal

    Scope, timeline and a fixed price, in writing, before anything starts.

  3. Step 3

    Build

    Short cycles with regular check-ins, so you see progress rather than hear about it.

  4. Step 4

    Launch and support

    We handle the go-live and stay available afterwards.

Kafka Integration in Swansea — common questions

Why does the partition key matter?
Because ordering is guaranteed only within a partition. Events sharing a key land together and are consumed in order, while unkeyed events spread across partitions and can be processed in any sequence — which for a status progression produces plainly wrong results.
Can a poor key cause problems?
Yes — skew. If one value dominates, most messages route to a single partition, so that consumer becomes the bottleneck while the others sit idle, and adding capacity does not help because the imbalance is in the key rather than the cluster.
Should consumers expect duplicates?
Yes. Delivery is at-least-once in normal operation, so a consumer that reprocesses a message must reach the same result rather than charging a card twice — designing for that is considerably simpler than trying to eliminate duplicates entirely.
When should offsets be committed?
After the work is done, not when the message arrives. Committing on receipt means a crash mid-processing loses the event permanently, whereas committing afterwards means it is redelivered — which is recoverable precisely because the consumer already tolerates duplicates.
Do you work with businesses across Swansea?
Yes. We are based in Leicester, United Kingdom and work with clients throughout Wales, including Swansea and the surrounding Swansea area. Most collaboration happens remotely, and we travel for kick-offs and key milestones.
What kind of Swansea businesses do you usually work with?
Bilingual public-facing systems for institutional clients, and seasonal booking for the Gower tourism trade. Beyond that we work across Higher Education, Healthcare, Manufacturing, Tourism and Public Sector.
Do you cover the areas around Swansea?
Yes — we work throughout Wales, including Cardiff, Newport. Swansea is an urban area of roughly 240,000+, and we take on work across the wider Swansea region rather than the city boundary alone.

Talk to us about Kafka Integration in Swansea

A 30-minute call with someone who would actually work on it. No sales script, no obligation.

  • Projects typically launched within 4–8 weeks
  • No long-term contracts required
  • All team members UK-based
  • Dedicated account manager and development team
  • Transparent reporting with monthly performance metrics
  • Scalable from startup to enterprise

Or reach us directly

07707 771599admin@asionis.com

Leicester, United Kingdom