Fernloopv4.12.0
- +Saved carts sync across devices
- +Apple Pay on web checkout
- +Address lookup 3× faster
+1,214 −388Mon · ● Live
TESSVIK: product engineering studio
PRODUCT ENGINEERING STUDIO
EST. 2016
VANCOUVER — PORTO
BUILDPLAY-
BOOK42 pages · freeHow we take products from first commit to a million users.Get the playbook →
(01) — Studio
We're a product engineering studio. We design, build and run web platforms, mobile apps and AI features for teams who need them to work on day one, and still work on day one thousand.
{ }
Tessvik is 38 designers and engineers in Vancouver and Porto. One team takes your product from the first sketch to the on-call rota, so nothing gets lost in a handover.
Plan. Build. Ship. Run.
Products shipped
140+
since 2016
Uptime we run
99.97%
last 90 days
To first release
6 wks
median, new builds
Deploys a week
31
across client apps
Platform status · all client services · 90 days● Operational
90 days ago2 minor incidents · 41 min totalToday
(02) — Capabilities
Everything between the idea and the pager, under one roof.
WE BUILDwhat youSHIP
Product01
- Discovery sprints
- UX research
- Prototypes you can click
- Roadmaps + estimates
- Design systems
Engineering02
- Web apps in Next.js
- Native iOS + Android
- APIs + integrations
- Payments + billing
- Data pipelines
AI03
- LLM features
- Retrieval + search
- Evals + guardrails
- Agents + automation
- Fine-tuning
Operations04
- AWS + GCP
- CI/CD
- Observability
- Security reviews
- 24/7 on-call
(04) — How we work
Six steps. One team the whole way.
03 · BuildWeeks 3–10
Two-week sprints with a demo every other Friday. You get a staging link on day three and can watch every pull request land.
You getWorking software, every sprint
(05) — What we ship
Hover or tab through
↑ ↓ to move
↑ ↓ to move
(06) — Shipped this week
Eight releases. Zero rollbacks.
Week 39 · 22–26 Sep
Drag or scroll →
Drag or scroll →
Harbrook Health2.8.1
- +Waitlist fills cancelled slots
- +SMS reminders in 6 languages
+642 −120Mon · ● Live
Quillmate0.19.0
- +Assistant cites the help-centre page
- +Eval suite: 412 new cases
- +Handoff to a human in one tap
+2,031 −904Tue · ● Canary 10%
Northvane7.3.0
- +Live fault map for 40k sensors
- +Alert noise down 62%
+880 −1,403Wed · ● Live
Ledgerline3.0.0
- +Pay-by-link on every invoice
- +QuickBooks two-way sync
+3,120 −1,450Wed · ● Live
Tidewell5.4.2
- +Offline tickets in Wallet
- +Seat maps for the 7:40 ferry
+410 −96Thu · ● Live
Orbitra Labsinfra-212
- +Moved 14 services to ARM
- +Monthly bill down $31k
+96 −740Fri · ● Live
Mapleformds-1.9
- +Dark mode tokens
- +12 components to Figma variables
+1,502 −377Fri · ● Review
fernloop v4.12.0 · harbrook-health 2.8.1 · quillmate 0.19.0 · northvane 7.3.0 · ledgerline 3.0.0 · tidewell 5.4.2 · orbitra-labs infra-212 · mapleform ds-1.9 · fernloop v4.12.0 · harbrook-health 2.8.1 · quillmate 0.19.0 · northvane 7.3.0 · ledgerline 3.0.0 · tidewell 5.4.2 · orbitra-labs infra-212 · mapleform ds-1.9 ·
(07) — Selected work
Products we built and still run.
All eight cases →
Fernloop
+48%
checkout conversion
A checkout people actually finish
Harbrook Health
−31%
missed appointments
Fewer empty chairs at 40 clinics
Quillmate
62%
tickets solved without a human
An assistant that cites its sources
Northvane Energy
−62%
alert noise
A live fault map for 40,000 sensors
(08) — Case spotlight
Fernloop · grocery delivery · 2025fernloop.com/checkout
Checkout
Pay · $86.40
OR
DELIVER TO
412 Keefer St412 Keefer St, Vancouver V6A 1Y1 12 ms
Today 5–6 pm
Tomorrow 8–9 am
Oat milk ×2$7.98
Sourdough$6.50
Coffee beans$18.00
Veg box$42.00
Delivery$4.99
Total$86.40
1. Cart
2. Account
3. Address
4. Delivery
5. Payment
Step 3 of 5: Delivery address
First name *
Last name *
Address line 1 *
Address line 2 *
City *
Province *
Postal code *
Phone number *
Please re-enter your postal code in the format A1A 1A1
‹ Back
Continue to Delivery ›
After · 11 weeks later
Before
01 · The problem
Five steps to pay for groceries.
Fernloop's checkout had grown one form at a time. On mobile, 71% of carts that reached it never finished.
Checkout conversion · weekly3.1%
(09) — Why we exist
Software should feel inevitable. Fast on a train, obvious to a first-time user, boring to run at 3 a.m. That is the whole job, and we take it personally.
— Maren Solvik & Duarte Leal, foundersMountain ridge above a sea of cloud at dusk
(10) — Industries
69 productsWho we build for
Commerce21
Fernloop · Kettle & Co · Parcelhaus · Brio Market
Fintech14
Ledgerline · Quayside Pay · Northmint
Logistics11
Tidewell · Haulwise · Dockyard OS
Health9
Harbrook Health · Clarity Dental · Movewell
Media8
Quillmate · Longread · Soundpost
Energy & climate6
Northvane Energy · Gridfolk · Solstead
(11) — Team
Their desks, not their faces.
38 people in Vancouver and Porto. Every project gets a named team that stays from the first sprint to the on-call rota.
Maren SolvikVancouver
Co-founder · Engineering▸ Now: Ledgerline 3.0 sync engine
Duarte LealPorto
Co-founder · Product▸ Now: Harbrook waitlist flow
Ines VargaPorto
Staff engineer · Platform▸ Now: Orbitra ARM migration
Theo AchterbergVancouver
Design lead▸ Now: Mapleform dark-mode tokens
Priya RamanVancouver
ML engineer▸ Now: Quillmate eval suite
Kofi MensahPorto
iOS engineer▸ Now: Tidewell offline ticketsAiko Brandt
Frontend
Beatriz Couto
QA lead
Cal Whitaker
Backend
Dara Quinn
Delivery
Emil Sørbye
SRE
Farah Idris
Product design
Gus Moreau
Android
Hana Koval
Data
Isak Lund
Backend
Joana Reis
Frontend
Kai Tanaka
Security
Lena Obi
Research
Marc Duval
DevOps
Noor Haddad
ML
Olek Wisniewski
Frontend
Paula Serra
Delivery
Rui Matos
Backend
Sade Adeyemi
Design
Tomas Hel
Platform
Uma Patel
iOS
Aiko Brandt
Frontend
Beatriz Couto
QA lead
Cal Whitaker
Backend
Dara Quinn
Delivery
Emil Sørbye
SRE
Farah Idris
Product design
Gus Moreau
Android
Hana Koval
Data
Isak Lund
Backend
Joana Reis
Frontend
Kai Tanaka
Security
Lena Obi
Research
Marc Duval
DevOps
Noor Haddad
ML
Olek Wisniewski
Frontend
Paula Serra
Delivery
Rui Matos
Backend
Sade Adeyemi
Design
Tomas Hel
Platform
Uma Patel
iOS
(12) — Start
hello@tessvik.devGot a build?
SHIP IT.
We reply within one working day, with a named engineer.