Job Summary

Work Settings:: Remote

Apply Now

Job Description

eFX Software Engineer (Ultra‑Low Latency Java)

Hybrid / Remote - London

Up to £160,000 + Bonus + Benefits

We're supporting a major financial services organisation hiring an eFX Software Engineer to build and optimise ultra‑low‑latency trading systems used across global FX markets. If you're a high‑performance Java engineer who loves solving complex technical challenges at scale, this is a standout opportunity.

What you’ll work on:

Engineering sub‑40 μs latency eFX systems with high throughput and fault tolerance
Designing real‑time pricing, risk and trading components
Evolving low‑latency Java patterns (lock‑free, low‑GC, CPU/cache optimisation)
Working closely with quants, traders, architects and senior engineers
Influencing technical strategy across distributed, performance‑critical systems

What we’re looking for:

Strong experience in low‑latency Java within trading, eFX or electronic markets
Deep understanding of networking (TCP/UDP/FIX), Linux tuning, performance profiling
Background in designing high‑performance architectures and distributed systems
Strong grasp of FX pricing, risk, and trading workflows
Experience working on mission‑critical systems powering global trading
Highly technical culture with genuine ownership and impact
Flexibility in working hours and hybrid setup

#J-18808-Ljbffr

Apply Now

Similar Opportunities

Harnham

Greater London / Global

eFX Software Engineer (Java)

£140000
Remote

Talan Group

City Of London / Global

eFX Java Algo Developer

Talan Group

City Of London / Global

eFX Java Algo Developer

£80000

Talan Group

Greater London / Global

eFX Java Algo Developer

£70000

Talan Group

Greater London / Global

eFX Java Algo Developer

Talan Group

City Of London / Global

Low-Latency eFX Java Algo Engineer

£80000

View all jobs

Name	Expiration	Description
ATTBCookie* ATTBUserID ATTB_LinkedUserID	2 years 400 days 1 year	These cookies are used to remember a user’s choice about cookies on thebigjobsite.com. Where users have previously indicated a preference, that user’s preference will be stored in these cookies.
ATTBTracking*	Session	These cookies are used by ATTB to understand user interaction with the website.
last-search search redirect-stage original-keyword	1 day Session 1 hour 1 hour	These cookies are used by thebigjobsite.com to pass search data between our own pages.
datadome	1 year	DataDome is a cybersecurity solution to detect bot activity
jja*	1 days	Used to track if you have seen the Job Alerts prompt and hold settings for your profile. Job Alerts is a service you can subscribe to to receive information about new jobs.

Name	Expiration	Description
_ga _gid _gat_gtag_* _ga_JH3TWMTYRK __gads	Typically ranges from session-based (24 hours) to longer-lasting cookies (up to 2 years).	Google Analytics Cookies: Used for tracking and analytics, these cookies collect information about website usage to help understand user behavior. Visitor tracking, session management, and ad performance analysis.
_gcl_au NID DV UULE, EUULE	Typically lasts from a few days to months.	Google Ads / AdSense Cookies: Cookies used for advertisement personalization, conversion tracking, and remarketing by Google Ads. Track ad clicks and impressions, personalize ad content, and measure conversions.
_uetsid _uetvid	Typically lasts from a few days to months.	Microsoft Advertising (Bing Ads): Microsoft's tracking cookies for advertising and user analytics. Track user sessions and unique visitors for remarketing campaigns.
SID SSID SAPISID, APISID SIDCC SOCS AEC	Typically lasts from a few days to months.	Google Account/Authentication Cookies: These cookies are set by Google services (e.g., Gmail, YouTube) to manage user sessions, preferences, and account security. Authentication, session security, and maintaining user preferences.
__secure*	Typically lasts from a few days to months.	Secure Cookies (Potentially Third-Party): Cookies prefixed with __secure* are often used for enhanced security in user sessions or tracking. These are typically first- or third-party cookies, depending on their origin.
MSPTC MUID SRCHD SRCHHPGUSR SRCHUID SRCHUSR USRLOC WLS _EDGE_S _EDGE_V _SS _U ANON	Typically lasts from a few days to months.	These cookies form part of an analytics service that connects data from Bing with actions performed on the website. These cookies allow Bing to serve relevant advertisements to visitors across the Microsoft Bing network
_clck _clsk CLID ANONCHK MR MUID SM	Typically lasts from a few days to months.	Microsoft Clarity: is a cutting-edge behavioral analytics tool that helps us understand user interaction with your website. By using Clarity, we can enhance the user experience.

Start Your Search Here

Cookie Settings

Cookie Settings

Would you like to receive notifications about IT & Technology jobs in Greater London?

Harnham

eFX Software Engineer (Java)

Job Summary

Job Description

eFX Software Engineer (Ultra‑Low Latency Java)

What you’ll work on:

What we’re looking for:

Success! You're now signed up for Job Alerts.

Similar Opportunities

Harnham

eFX Software Engineer (Java)

Talan Group

eFX Java Algo Developer

Talan Group

eFX Java Algo Developer

Talan Group

eFX Java Algo Developer

Talan Group

eFX Java Algo Developer

Talan Group

Low-Latency eFX Java Algo Engineer