Co esponding au ho : Sosin Vi alii
Copy igh © 2025 Au ho (s) e ain he copy igh o his a icle. This a icle is published unde he e ms o he C ea i e Commons A ibu ion Liscense 4.0.
Fin ech Inno a ions: Wha Enginee s Can Lea n om S a ups
Sosin Vi alii *
iOS Senio So wa e Enginee o FinTech indus y, Russia.
Wo ld Jou nal o Ad anced Resea ch and Re iews, 2025, 26(03), 2822-2825
Publica ion his o y: Recei ed on 18 May 2025; e ised on 22 June 2025; accep ed on 27 June 2025
A icle DOI: h ps://doi.o g/10.30574/wja .2025.26.3.2459
Abs ac
This a icle examines he inno a i e p ac ices o in ech s a ups and how hei app oaches can bene i enginee s in he
banking indus y. I analyzes h ee key a eas: speed o de elopmen and ime- o-ma ke o new ea u es, a cul u e o
expe imen a ion and open APIs, and a s ong ocus on cus ome expe ience. The a icle emphasizes ha e en la ge
banks can adop he lexibili y and apid adap abili y o s a ups while combining i wi h scale and s abili y.
Keywo ds: Fin ech; S a ups; Inno a ion; API; Expe imen a ion; Mobile banking; UX; Enginee ing p ac ices; Digi al
ans o ma ion
1. In oduc ion
Fin ech emains one o he mos dynamic sec o s o he digi al economy. Dozens o s a ups egula ly en e he ma ke ,
o e ing new app oaches o paymen s, lending, in es men s, o pe sonal inance managemen . Many o hese companies
achie e apid success, compe ing wi h banks ha ha e been es ablished o decades.
Unlike adi ional playe s, s a ups o en gain an edge h ough speed: hey es hypo heses as e , elease upda es mo e
quickly, and espond mo e lexibly o cus ome needs. Fo enginee s in he banking sec o , s a up expe ience becomes
an impo an sou ce o insigh , demons a ing how o design a chi ec u e, p ocesses, and eams so ha inno a ion is
no slowed down by bu eauc acy o complexi y.
Wo ld Jou nal o Ad anced Resea ch and Re iews, 2025, 26(03), 2822-2825
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Figu e 1 Global Numbe o Fin ech S a ups
2. Block 1. De elopmen Speed and P oduc Launch
One o he main ad an ages o in ech s a ups is hei abili y o quickly u n ideas in o p oduc s.
2.1. Minimum Viable P oduc (MVP)
S a ups a ely spend yea s on de elopmen . They elease a minimal e sion o he se ice o es demand. Fo
enginee s, his emphasizes modula a chi ec u e: componen s can be apidly imp o ed o eplaced.
2.2. P ocess Au oma ion
CI/CD and in as uc u e as code a e s anda d p ac ices no only in la ge companies bu also in s a ups. Au oma ed
pipelines allow mul iple eleases pe week wi hou sac i icing quali y.
2.3. Flexible Technologies
Many s a ups choose c oss-pla o m amewo ks (Flu e , Reac Na i e) o quickly each a b oad audience. While banks
o en ely on na i e solu ions, enginee s can adop his lexibili y when selec ing echnologies o auxilia y se ices.
Wo ld Jou nal o Ad anced Resea ch and Re iews, 2025, 26(03), 2822-2825
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Figu e 2 Global Fin ech Funding Volumes
3. Block 2. Cul u e o Expe imen a ion and Open APIs
S a ups build hei business on he abili y o quickly es hypo heses and in eg a e in o ex e nal ecosys ems.
3.1. A/B Tes ing and P oduc Expe imen s
Many in ech companies cons an ly alida e hypo heses— om bu on placemen o new p icing schemes. This os e s
a cul u e whe e enginee s mus be eady o apid changes in he code.
3.2. Open Banking and Ecosys em In eg a ion
S a ups ac i ely le e age open APIs o connec wi h banks and paymen sys ems. This enables se ices o be buil on
op o adi ional in as uc u e. Fo enginee s, his signals ha a chi ec u e should be designed o seamless pa ne
in eg a ion.
Figu e 3 API Adop ion in Financial Se ices
Wo ld Jou nal o Ad anced Resea ch and Re iews, 2025, 26(03), 2822-2825
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3.3. Da a-D i en App oach
Decisions a e made no in ui i ely, bu based on da a: usage me ics, cus ome esea ch, and in-app beha io . This
means enginee ing eams mus design sys ems ha gene a e and p ocess da a o analysis.
4. Block 3. Cus ome Expe ience and T us
Fo s a ups, use expe ience is he p ima y compe i i e ac o . Unlike la ge banks, hey canno e ain cus ome s solely
h ough b and ecogni ion o b anch ne wo ks.
4.1. T anspa ency and Simplici y
UX is designed a ound a minimal numbe o s eps. E en complex ope a ions—loan applica ions, in es men s—a e
p esen ed as in ui i e, easy- o- ollow lows.
4.2. Pe sonaliza ion
S a ups le e age AI and ML o analyze cus ome beha io and p o ide pe sonalized o e s. La ge banks a e mo ing in
his di ec ion oo, bu o en mo e slowly.
4.3. Building T us
Fo companies wi hou a long-s anding epu a ion, us is buil h ough secu i y, clea e ms, and cons an engagemen
wi h he cus ome . Enginee s mus conside his when c ea ing s able and secu e sys ems.
5. Conclusion
Fin ech s a ups ha e shown ha speed, openness, and cus ome -cen ici y can be as impo an compe i i e ad an ages
as scale. Enginee s in he banking sec o can adop s a up p ac ices such as modula a chi ec u e, a cul u e o
expe imen a ion, and a ocus on UX. The op imal model o he u u e o in ech combines he lexibili y o s a ups wi h
he s abili y o adi ional banks.
Re e ences
[1] CB Insigh s. Fin ech 250: The Top Fin ech S a ups o 2024. Upda ed Sep embe 2024
h ps://www.cbinsigh s.com/ esea ch/ in ech-250-s a ups-2024
[2] McKinsey & Company. Global Fin ech Repo 2024. Upda ed Oc obe 2024
h ps://www.mckinsey.com/indus ies/ inancial-se ices
[3] Bain & Company. Embedded Finance: Oppo uni ies and Risks. Upda ed July 2023
h ps://www.bain.com/insigh s/embedded- inance-oppo uni ies/
[4] Open Banking Limi ed. API S anda ds and Ecosys em. Upda ed July 2024
h ps://www.openbanking.o g.uk/s anda ds/
[5] Though Wo ks. Technology Rada Vol. 30. Upda ed Ap il 2025
h ps://www. hough wo ks.com/ ada
