Principal Engineer - Java in London

Principal Engineer - Java in London

London Full-Time No working from home possible
Intec Select Ltd

Salary: £100,000 - 110,000 per year

Requirements

  • Strong experience building and scaling banking payment systems, including Faster Payments, Real-Time Payments, Card payments, BACS, mobile wallets, and APIs.
  • Experience leading architectural challenges, system scalability, and guiding engineering teams.
  • Background in Java, C#, Python, or React development with hands-on technical leadership experience.
  • Strong background in core banking systems/platforms such as Mambu, cloud-native architectures, microservices, and DevOps practices.
  • Solid understanding of regulatory, risk, and compliance requirements such as PSD2, PCI DSS, and GDPR.
  • Experience with cloud platforms such as AWS, Azure, or GCP and modern data platforms.

Responsibilities

  • Lead the development and implementation of a modern cloud foundation and data platform that is robust, scalable, fully automated, secure, and able to support business growth.
  • Design and implement scalable, secure, and high-performing cloud-native architectures using modern technologies.
  • Design and build secure RESTful and GraphQL APIs, ensuring seamless integration with core banking systems and external services such as Open Banking platforms.
  • Work closely with data teams to define robust data pipelines and scalable cloud-based data platforms using tools such as Apache Kafka, Snowflake, or Databricks.
  • Implement monitoring and observability solutions using tools such as Prometheus, Grafana, or Datadog to proactively identify and resolve performance bottlenecks.
  • Analyse and optimise existing systems to improve performance, scalability, and maintainability.
  • Provide hands-on technical leadership while contributing to architectural decision-making across payment products and platforms.

Technologies

  • AWS
  • Azure
  • C#
  • Cloud
  • Databricks
  • Datadog
  • DevOps
  • GCP
  • Grafana
  • GraphQL
  • Support
  • Java
  • Kafka
  • Mobile
  • Prometheus
  • Python
  • React
  • Snowflake
  • microservices
  • API

More

We are a leading financial services corporation offering a Principal Engineer role focused on payments, with strong hands-on involvement and architectural leadership across Faster Payments, Real-Time Payments, Card payments, BACS, mobile wallets, and APIs. This is a hybrid onsite role based in London, Chatham (Kent), or Wolverhampton, with onsite presence required two days per week.

We offer a basic salary up to circa £110,000, a 25% bonus, and a competitive benefits package that includes 28 days holiday, a holiday purchase scheme, occasional travel, health insurance, a 13% pension contribution, and more.

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Principal Engineer - Java in London employer: Intec Select Ltd

Intec Select Ltd is an exceptional employer, offering a dynamic work environment in Wolverhampton where innovation meets engineering excellence. With competitive salaries, substantial bonuses, and comprehensive health benefits, employees are encouraged to grow and thrive in their careers while contributing to cutting-edge banking platforms. The company fosters a collaborative culture that values leadership and creativity, making it an ideal place for those looking to make a meaningful impact in the payments industry.

Intec Select Ltd

Contact Details:

Intec Select Ltd Recruitment Team