Our

client,

a

large

enterprise,

is

seeking

a

Senior

Full-

Stack

Engineer

to

join

an

established

trading

platform

programme.

This

production-

critical

system

is

long-

lived,

actively

evolving,

and

places

strong

emphasis

on

performance,

reliability,

and

maintainability

. You

will

join

a

highly

experienced

team

of

senior

engineers

and

QA

developers,

taking

full

ownership

of

features

from

design

through

to

production,

while

collaborating

directly

with

the

client. Key

Responsibilities

Design,

build,

and

maintain

features

across

the

full

stack

of

a

high-

performance

trading

platform

.

Work

primarily

with: TypeScript (

Node.

js &

React)

Monorepo

tooling,

GitHub,

GitHub

Actions

Jest,

Playwright

Redis,

MS

SQL,

WebSockets

Docker,

Kubernetes

Observability

tools

(

Grafana,

Prometheus,

SonarQube)

Take

end-

to-

end

ownership

of

features

from

design

to

production.

Collaborate

closely

with

platform

and

DevOps

engineers

on

build

pipelines,

observability,

and

operational

concerns.

Communicate

directly

with

clients

to

clarify

requirements

and

propose

solutions.

Contribute

to

and

improve

automated

testing

practices.

Participate

in

peer

code

reviews

and

maintain

high

engineering

standards.

Leverage

LLM/

AI-

enabled

development

tools

as

part

of

day-

to-

day

development.

Requirements

8+

years

of

professional

software

development

experience.

3+

years

hands-

on

experience

with

TypeScript,

Node.

js,

and

React

.

Good

experience

building

and

maintaining

production

systems

.

Comfortable

working

in

a

senior,

autonomous

engineering

team

.

Good

communication

skills

and

fluency

in

English.

Hybrid

working

in

Waterloo,

London.

Desirable

Experience

with

functional

programming

(

OCaml,

Haskell).

Prior

experience

in

trading,

finance,

or

real-

time

systems

.

Solid

understanding

of

DevOps

and

operational

concerns

(

logging,

metrics,

automation).

London-

based

and

willing

to

travel

to

company/

client

events.

Benefits

5

days/

year

dedicated

to

training.

£

1,000

annual

training

allowance

(

up

to

50%

usable

for

home

workstation

equipment).

Company

equipment

and on boarding

kit.

In-

person

team

events

every

3

months.

Annual

bonus (

company

and

personal

performance

dependent).

Stock

option

plan.

Birthday

off.

Generous

employee

referral

programme.

About the Client

Our client is a well-established engineering consultancy specialising in high-assurance systems and advanced technologies . They are known for delivering robust, scalable solutions and fostering a strong engineering culture focused on quality and innovation. If this role is of interest, please apply with your latest CV or reach out for a confidential discussion.

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