Back End Developer

Company:  Allegis Global Solutions
Location: London
Closing Date: 07/07/2026
Hours: Full Time
Type: Permanent

Job Description

Senior Backend Developer (Java | Financial Markets Platform)



Locatio
n: London, U

KIndustry: Investment Bankin

gWork pattern: Hybrid (2/3 days onsite


)
About the Ro

leWe are looking for a Senior Backend Developer to join a global engineering team building a cutting-edge financial market trading platform. This role offers the opportunity to work on a high-performance, real-time system used for pricing, execution, and trade processin

g.You will collaborate with cross-functional teams across locations and play a key role in delivering scalable, low-latency solutions in a fast-moving environmen


t.
Key Responsibilit

  • iesDesign, develop, and deliver high-quality backend solutions from concept to product
  • ionBuild and enhance real-time, event-driven applicati
  • onsCollaborate with architects, product owners, and global engineering te
  • amsBreak down complex projects, drive delivery, and mentor junior develop
  • ersEnsure adherence to best practices in coding, design, and performance optimizat
  • ionContribute to continuous improvement of development processes and technical road


map
Tech Stack & Requirem

entsCore Sk

  • ills7+ years of experience in backend develop
  • mentStrong expertise in Java (Core Java, Spring Framework, Spring Boot, RxJ
  • ava)Experience building REST APIs & reactive Web serv
  • icesStrong knowledge of microservices architec


ture
Cloud & D

  • evOpsHands-on experience with Docker, Kubernetes, OpenShift,
  • HelmFamiliarity with CI/CD pipelines (Azure DevOps or sim


ilar)
Data & Mes

  • sagingExperience with SQL and distributed data stores (Cassandra, Haze
  • lcast)Knowledge of messaging systems such as Kafka or


Solace
Additional

  • SkillsExperience building low-latency, high-throughput
  • systemsStrong understanding of software design patterns and system
  • designExposure to full-stack development (React, TypeScript) is


a plus
Domain Experience (Mu

  • st have)Financial Markets or Investment
  • BankingDerivatives or e-trading p


latforms
What We’re Lo

  • oking ForStrong problem-solver with a proactiv
  • e mindsetExcellent communication and collaborati
  • on skillsAbility to work independently and take
  • ownershipExperience working in agile and global team env
  • ironmentsPassion for building scalable and high-performanc


e systems
What

  • You’ll GetOpportunity to work on a mission-critical global tradin
  • g platformExposure to cutting-edge technologies in a high-impact e
  • nvironmentA collaborative, learning-driven and international te
  • am cultureExcellent career growth and development opp


ortunities
Apply Now
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Allegis Global Solutions
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