Senior Backend Engineer (PHP – Core / Custom Frameworks)
Senior PHP Engineer (Backend / Systems)
Backend Engineer – PHP (High Performance Systems)
Remote (UK / Europe) | Occasional travel to Germany/U
S💰 Highly competitive (top-tier talent focus
)
Custom framework
s”“Core PHP (no heavy framework reliance
)”“Build and maintain internal librarie
s”“High-performance / low-latency system
s”“Scalability and concurren
cyBackend infrastructu
reDistributed syste
msHigh concurren
cyAsync processing (ReactPHP, Swoole, Framework
X)System desi
gn
This is NOT a typical Laravel/Symfony role. We are looking for engineers who have experience building or working with custom frameworks, core backend systems, and high-performance PHP applications. If your experience is primarily CMS or standard web development (WordPress, Drupal, basic Laravel apps), this role will not be the right f
it.
You must have at least one of the following: - Experience building or maintaining a custom framework - Contributions to open-source backend libraries/frameworks - Experience working on high-load, scalable backend sys
tems
You’ll be working directly with a highly technical CTO who is deeply experienced in PHP and backend system de
sign.
We are looking for engineers who think beyond frameworks — those who understand how systems work under the hood and can build them from sc
ratch.
About Ma
kersHubMakersHub is an award-winning fintech startup transforming Accounts Payable automation using AI. Backed by top investors, the company is scaling rapidly and building highly complex, high-performance backend s
ystems._________________________________
_______T
he RoleWe’re looking for a top-tier Senior PHP Backend Engineer to help build and scale a custom, high-performance backend infrastr
ucture.🚨 This is NOT a standard PHP/Larav
el roleYou will be working on custom-built frameworks, libraries, and infrastructure, designed for performance, scalability, and low l
atency._________________________________
_______What Yo
u’ll Do• Architect and build backend systems using c
ore PHP• Develop and maintain custom frameworks, libraries, and core
classes• Design scalable, high-performance APIs and s
ervices• Optimize for high concurrency, low latency, and reli
ability• Work closely with the CTO (PHP expert) on system design and archi
tecture• Drive best practices in security, testing, and perf
ormance_________________________________
_______Tec
h Stack• PHP (custom architecture – not relying on Laravel/S
ymfony)• FrameworkX (async proc
essing)• React (fr
ontend)• MySQL, Redis,
queues_________________________________
_______What We’re Looking For (Mus
t-Have)✅ Strong PHP engineering background (7+
years)✅ ✅ Proven experience building or working with custom frameworks (ESS
ENTIAL)✅ Experience building applications / platforms (not just we
b apps)✅ Ability to work without heavy framework r
eliance_________________________________
_______Strong Technical Experi
ence In• Designing scalable systems with high conc
urrency• Building custom libraries / reusable com
ponents• API architecture and third-party integ
rations• Performance optimization & database tuning
(MySQL)• Async processing, queues, and caching
(Redis)• Secure systems (payments, financial data pre
ferred)_________________________________
_______Ideal Candidate
Profile• Has contributed to meaningful open-source proj
ects OR• Built/maintained custom frameworks or internal platf
orms OR• Worked on high-load, low-latency, or financial
systems_________________________________
_______Cult
ure Fit• Experience in startups or smal
l teams• Comfortable with ambiguity & fast-paced envir
onments• High ownership
mindset• Genuinely excited about the product &
company_________________________________
_______Interview
Process1. Intro / beha
vioural2. Technical de
ep dive3. Final (CEO, if re
quired)⚠️ Process may move slightly slower due to sele
ctivity_________________________________
_______Lo
gistics• Fully remote (UK / Europe pre
ferred)• CTO based in
Germany• Travel 1–2x/y
ear max_________________________________
_______Screening Qu
estions• What experience do you have building custom frameworks or libraries from scratch (without relying on Laravel/Sy
mfony)?• Can you share open-source contributions or code s
amples?• Have you worked in a startup or small team envir
onment?• Are you comfortable working in a fast-paced, ambiguous envir
onment?