Real-time systems development

Real-time systems that stay consistent.

We design and build messaging systems, presence, notifications, live state synchronization, and resilient session flows for products where timing, continuity, and reliability matter.

Messaging Presence Notifications Session continuity State synchronization Production resilience
What we build

Real-time behavior needs more than socket-level implementation.

Real-time products succeed when the interaction model, delivery guarantees, offline behavior, session recovery, and observability are designed together instead of bolted on.

Interaction layer

Messaging, live updates, and shared product state

We implement the flows users feel directly, from conversations and event streams to collaborative state and time-sensitive product behavior.

Messaging Live state Events
Continuity

Presence, sessions, and recovery behavior

Real-time systems need continuity when devices change, sessions expire, or connectivity drops, so recovery paths are part of the design.

Presence Sessions Recovery
Delivery logic

Notifications, retries, and user-visible state changes

We design how events move through the system and how users see successful delivery, delays, retries, and failure states.

Notifications Retries Delivery state
Backend control

Contracts, queues, and production observability

We keep backend state explicit enough to support monitoring, incident response, scaling, and safe iteration without hidden behavior.

Queues Contracts Observability
Relevant proof

We treat real-time delivery as a product and operations problem, not just a transport problem.

That means visibility into delivery states, recovery paths, presence behavior, backend coordination, and the operational controls needed to debug live issues under pressure.

Messaging and live state flows Presence and session continuity Notification and retry behavior Recovery under production conditions Observability and incident readiness
FAQ

Common real-time systems questions.

Do you build messaging and notification systems?

Yes. We work on messaging, notifications, presence, read state, session continuity, and the backend control plane around them.

Can you improve a live real-time product?

Yes. We can stabilize delivery, recovery, observability, and backend behavior without treating the whole system like a greenfield rebuild.

Do you handle failure and offline states too?

Yes. Recovery logic and failure visibility are part of the system design, not something we leave for later.

Need real-time behavior that can survive production conditions?

We can help shape the interaction model, define delivery guarantees, and build the backend discipline real-time products need.

Контактирајте нас

Реците нам на чему радите и повезаћемо вас са правим тимом.

Нови производ, реконструкција платформе, подршка испоруци или дугорочна инжењерска сарадња. Обично одговарамо у року од 1 радног дана.

Имејл

Најбоље за нове пројекте

Најбоље за пројектне упите, разговоре о производу и техничке захтеве.

office.craftec@gmail.com
Обично одговарамо у року од 1 радног дана

Телефон

Најбоље за хитна питања, кратко упознавање и временски осетљив наставак разговора.

381642187111

Канцеларија

Састанци у Новом Саду доступни су уз претходни договор.

Balzakova 42, Novi Sad, Serbia

Радно време

Доступни смо за позиве и састанке током радних дана (CET).

Пон - Пет 09:00-17:00 CET Суб - Нед Затворено Долазак у канцеларију По договору