SaaS & fintech
Backends that must stay fast under concurrent load.
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What is Golang Development?
Context
Golang development is building backend systems in Go (Golang) for APIs, microservices, and concurrent workloads. Krezine delivers idiomatic Go services with observability, secure defaults, and documentation your engineers can own — ideal when Node or scripting stacks hit concurrency or latency limits.
Platform teams
Go services without hiring a full in-house crew overnight.
Migration projects
Phased rewrites from legacy stacks into Go.
Project Deliverables
Everything included in your engagement — structured milestones, clear outputs, and no surprises at handoff.
Architecture & contracts
Service map, API specs, and SLA targets before code.
Go API / microservice build
Production REST/gRPC services with tests.
Workers & jobs
Reliable async processing for queues and schedules.
Observability pack
Logs, metrics, tracing, and runbooks.
Hardening
Load tests, security review, and graceful shutdown.
Handover
Docs, diagrams, and pairing so your team can extend safely.
How We Deliver
From discovery through delivery, we follow a proven process tailored to your project goals and timeline.
Architect
Domain model, SLAs, and boundaries.
Build
APIs, workers, and automated tests.
Harden
Load, security, and operability.
Ship
Deploy, monitor, iterate.
Quality signals we hold ourselves to
Standards
Lower latency
p95 improvements from concurrency-ready design.
Simpler ops
Static binaries and clear deployables.
Safer changes
Typed contracts and tests reduce regressions.
Scalable cost
Efficient services often need fewer instances.
Golang Development
Partnership checkpoints
Golang engagements at Krezine emphasise production readiness: contracts, tests, and operability — not demos that fall over on day two.
- Architecture workshop and SLA definition
- API contract review
- Staging load test sign-off
- Production rollout checklist
- 30-day reliability review
Related guides & services
Explore
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Web Development capabilities
Specializations
Frequently Asked Questions
Faqs
1
When should we choose Golang?
When you need high concurrency, predictable latency, or efficient cloud costs for APIs and workers — especially fintech, SaaS, and infra-adjacent products.
2
Do you build frontends too?
Yes. We commonly pair Go APIs with React/Next.js and admin panels as a full-stack engagement.
3
Can you migrate from Node or Java?
Yes — typically via a phased strangle-fig approach so risk stays controlled.
4
What about Kubernetes?
We containerise Go services and support Docker/K8s deployments on major clouds.
5
How do I start?
Share your workload and SLAs via contact — we propose architecture and a phased plan.
