CareerAddict

Java & React

Randstad Technologies

Posted on Jun 17, 2026 by Randstad Technologies
City, London, United Kingdom
IT
Immediate Start
£50k - £60k Annual
Full-Time

Location: London (Hybrid - 3 days in-office)
Role Type: Full-Time/Permanent
Experience Level: Mid-Senior (5-7 years)

We are partnering with our client to hire a Senior Full-Stack Engineer. In this role, you will design, build, and scale cloud-native applications that are critical to the bank's risk management operations.

This is a high-impact position for an engineer who excels at bridging complex Back End data processing with highly responsive Front End interfaces, all hosted in a modern cloud environment.

What You Will Do

  • Build scalable applications using Core Java, Multithreading, and ReactJS to handle heavy datasets efficiently.
  • Engineer cloud-native solutions by designing, maintaining, and deploying applications leveraging Kubernetes and Amazon AWS.
  • Design and integrate APIs using REST and gRPC to ensure seamless connectivity between the Front End and Back End.
  • Implement event streaming by integrating Kafka for Real Time financial data processing.
  • Lead and mentor junior developers, championing CI/CD automation, security standards, and Agile best practices.
  • Bridge tech and finance by applying your investment banking and risk management knowledge to solve complex business problems.

What You Bring to the Table

  • 5 to 7 years of experience in full-stack software engineering.
  • Deep Back End expertise in Core Java, specifically with Multithreading, complex algorithms, and data structures.
  • Frontend proficiency building responsive UIs with ReactJS, JavaScript/TypeScript, and state management tools (Redux or Context API).
  • Architectural design skills spanning application, data, and cloud solution architecture.
  • Cloud & Infrastructure knowledge with proven hands-on experience using AWS and Kubernetes.
  • Domain experience working within Investment Banking, ideally with a focus on risk management platforms.

How to Apply: Please share your latest CV highlighting your hands-on experience with Java, React, and cloud-native deployments in the financial sector

Randstad Technologies Ltd is a leading specialist recruitment business for the IT & Engineering industries. Please note that due to a high level of applications, we can only respond to applicants whose skills & qualifications are suitable for this position. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.


Reference: 3124120028

https://jobs.careeraddict.com/post/113423997
Randstad Technologies

Java & React

Randstad Technologies

Posted on Jun 17, 2026 by Randstad Technologies

Print
City, London, United Kingdom
IT
Immediate Start
£50k - £60k Annual
Full-Time

Location: London (Hybrid - 3 days in-office)
Role Type: Full-Time/Permanent
Experience Level: Mid-Senior (5-7 years)

We are partnering with our client to hire a Senior Full-Stack Engineer. In this role, you will design, build, and scale cloud-native applications that are critical to the bank's risk management operations.

This is a high-impact position for an engineer who excels at bridging complex Back End data processing with highly responsive Front End interfaces, all hosted in a modern cloud environment.

What You Will Do

  • Build scalable applications using Core Java, Multithreading, and ReactJS to handle heavy datasets efficiently.
  • Engineer cloud-native solutions by designing, maintaining, and deploying applications leveraging Kubernetes and Amazon AWS.
  • Design and integrate APIs using REST and gRPC to ensure seamless connectivity between the Front End and Back End.
  • Implement event streaming by integrating Kafka for Real Time financial data processing.
  • Lead and mentor junior developers, championing CI/CD automation, security standards, and Agile best practices.
  • Bridge tech and finance by applying your investment banking and risk management knowledge to solve complex business problems.

What You Bring to the Table

  • 5 to 7 years of experience in full-stack software engineering.
  • Deep Back End expertise in Core Java, specifically with Multithreading, complex algorithms, and data structures.
  • Frontend proficiency building responsive UIs with ReactJS, JavaScript/TypeScript, and state management tools (Redux or Context API).
  • Architectural design skills spanning application, data, and cloud solution architecture.
  • Cloud & Infrastructure knowledge with proven hands-on experience using AWS and Kubernetes.
  • Domain experience working within Investment Banking, ideally with a focus on risk management platforms.

How to Apply: Please share your latest CV highlighting your hands-on experience with Java, React, and cloud-native deployments in the financial sector

Randstad Technologies Ltd is a leading specialist recruitment business for the IT & Engineering industries. Please note that due to a high level of applications, we can only respond to applicants whose skills & qualifications are suitable for this position. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.

Print

Reference: 3124120028

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