Vienna-based · production software, built to last

Built to ship.
Built to last.

We design, build, and operate production-grade software for startups and enterprises - from first release to long-term operation. And we ship our own products.

Start a project Explore our products
10+
Years delivering software
2
Products of our own
End-to-end
Build · Operate · Advise
How we work

Build. Operate. Advise.

Three ways we take responsibility for software - from architecture and delivery to keeping critical systems reliable in production.

01

Build

Production software, implemented end to end.

Hands-on development across cloud, backend, and data systems - from architecture to production delivery.

  • Custom software development
  • System integration & solution architecture
  • Performance & scalability optimization
02

Operate

Stable systems beyond go-live.

We keep production systems reliable, secure, and evolving - taking responsibility long after deployment.

  • Cloud operations & monitoring
  • Performance tuning & reliability
  • Ongoing development & maintenance
03

Advise

Technical guidance where decisions matter.

We support teams with focused analysis and leadership - only where it enables execution.

  • Business & technical analysis
  • Project & program leadership
  • Digital transformation initiatives
Service areas

Engineering-led digital solutions

End-to-end digital initiatives through hands-on engineering, operational ownership, and focused advisory - from initial implementation to long-term operation.

AI Integration

Practical AI built into real products and workflows

We integrate AI where it creates genuine value - from LLM-powered assistants and automation to speech transcription, document understanding, and intelligent workflows. Shipped to production and operated reliably, just like the rest of our software.

LLM assistants & chatbotsWorkflow automationSpeech & document AIRAG & knowledge retrievalModel integration & ops

Digital Workplace Solutions

Configurable internal applications for complex organizations

We design and implement digital workplaces that streamline business processes, workflows, and user experiences - adaptable across industries and operating models.

Workflow & processUI configurationModular architectureIndustry-independent

Digital Banking Systems

Modern banking platforms built for scale and compliance

We help financial institutions modernize and operate core banking and digital finance systems - securely, reliably, and within regulatory constraints.

Core bankingData migrationCloud-nativeCompliance

Custom Software Solutions

Tailored systems for industry-specific requirements

We build custom software that supports core business operations, integrates with existing systems, and scales with organizational growth.

ERP & managementInsurance platformsDocument systemsIndustry apps

Strategic & Technical Advisory

Guidance that supports execution

Targeted advisory and leadership for complex initiatives - focused on the decisions that enable delivery, not abstract consulting.

Program leadershipTechnical analysisEnterprise architectureTransformation
How we engage

From first conversation to long-term partner

A straightforward way of working: understand the problem, build the right thing, and stay responsible for it in production.

1

Discover

We start by understanding your goals, constraints, and existing systems - then define a clear, achievable scope.

2

Architect & Build

We design the architecture and build production-grade software in tight feedback loops - no hand-wavy consulting.

3

Operate

We take responsibility after go-live: monitoring, reliability, security, and performance in production.

4

Evolve

We keep improving the system as your business grows - new features, scale, and continuous delivery.

Our toolbox

The technologies we build with

A modern, battle-tested stack across backend, web, mobile, AI, and cloud - the same tools behind our own products.

Backend & APIs

JavaSpring BootNestJSNode.jsTypeScriptTypeORMPostgreSQLWebSockets

Web

AngularPrimeNGRxJSHTML & CSS

Mobile

SwiftSwiftUIiOS

AI & Voice

OpenAILiveKitDeepgramElevenLabsCartesia

Payments & Comms

StripeTwilioRevenueCatAPNs

Cloud & DevOps

DockerKubernetesnginxGitHub Actions
Products

Software we build, operate, and stand behind

Alongside client work, we run our own products in production. The same engineering team, the same standards for reliability, security, and support.

Designed, built, and operated in-house. Every product below is developed and run by Streamline Technologies. For enterprise deployments or integrations, talk to our team.

01

Lino

AI business phone system

A dedicated business line with an AI receptionist, on the phone you already own.

Lino gives teams a business number, records and transcribes calls, answers missed calls, and turns every conversation into a written summary with follow-up tasks. No extra hardware.

Includes
Business number, call recording, AI receptionist, transcripts and summaries
Team
Cascade ringing, auto-generated tasks, smart tags
Runs on
Your existing smartphone
Visit Lino linotalk.com
02

Fastrecord

Receipt and document capture

Receipts and documents captured in seconds, structured for accounting.

Fastrecord digitizes paperwork and extracts the data into clean, searchable records, removing manual entry and keeping everything ready for your accounting workflow.

Includes
Instant scanning, automatic data extraction, organized digital records
Output
Export-ready for accounting
Search
Every record indexed and searchable
Visit Fastrecord fastrecord.app
03

AskLunis

Knowledge assistant for your documents

Connect your documents, chats, and email. Get answers with every claim cited to its source.

AskLunis indexes your knowledge across tools and answers questions from it, streamed live with inline citations. It can also run as a branded chat widget on your website, scoped to the sources you choose.

Connectors
Google Drive, Gmail, Outlook, OneDrive, Teams, Slack, Jira, Confluence, PostgreSQL and more
Controls
Source scoping, domain allowlist, per-visitor rate limits, rotatable keys
Answers
Hybrid retrieval with inline source citations
Visit AskLunis asklunis.com
The team

Meet the founders

A decade of experience in management and technology consulting, delivering digital transformation projects across industries.

Stefan Isakovic

Stefan Isakovic

Co-Founder · Professional Services
Mahmudur Rahman

Mahmudur Rahman

Co-Founder · Management
Himmet Avsar

Himmet Avsar

Co-Founder · Core Development
Get in touch

Let's build something that lasts

Book a call directly in our calendar, or reach out by email or phone - we're happy to help.

Book a meeting

Pick a slot that suits you. The appointment goes straight into our calendar and you receive a confirmation by email.

Schedule a call

Office

Maria-Kuhn-Gasse 6/2, Büro 1
1100 Vienna, Austria

Ready to accelerate your digital transformation?

Partner with a team that builds, operates, and ships production software - and stands behind it.

Let's talk