Principal Engineer - Java - £110,000 in London

Principal Engineer - Java - £110,000 in London

London Full-Time 60000 - 80000 £ / year (est.) No working from home possible
Intec Select Ltd

At a Glance

  • Tasks: Lead the development of scalable payment systems and cloud solutions.
  • Company: A leading financial services corporation with a focus on innovation.
  • Benefits: Up to £110,000 salary, 25% bonus, health insurance, and generous holiday.
  • Other info: Flexible work location with opportunities for career growth.
  • Why this job: Make a real impact in the fast-paced world of digital banking.
  • Qualifications: Strong Java skills and experience in payment systems required.

The predicted salary is between 60000 - 80000 £ per year.

Principal Engineer (Payments)

Our long‑term trusted partner, a leading financial services corporation, is hiring a Principal Engineer who has strong hands‑on capabilities in Java (17/21) and payment product experience.

The role involves contributing to real‑time architectural decision making and leading the vision and strategy across Faster Payments, Real‑Time Payments, Card payments, BACS, mobile wallets and APIs.

Compensation includes a basic salary of up to £110,000 (circa) plus a 25% bonus and benefits.

The position is based in London, Chatham (Kent) or Wolverhampton with onsite work 2 days per week.

We seek an experienced Principal Engineer with recent retail/digital banking experience who is happy to be hands‑on (80%) and take 20% of time on architectural leadership by leading through example.

Responsibilities

  • Lead the development and implementation of a modern cloud foundation and data platform that is robust, scalable, fully automated, secure, and can support the growth of the business.
  • Build scalable architectures: leverage modern technologies to design and implement scalable, secure, and high‑performing cloud‑native solutions.
  • API Development and

Integration: design and build secure RESTful and Graph QL APIs, ensuring seamless integration with core banking systems (e. g., Mambu) and external services like Open Banking platforms.

  • Data Engineering and

Analytics: 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.

  • Monitoring and
  • Performance

Tuning: implement advanced monitoring and observability solutions using tools such as Prometheus, Grafana, or Datadog to proactively identify and resolve performance bottlenecks.

  • Code and System Optimisation: proactively analyse and optimise existing systems for improved performance, scalability, and maintainability.
  • Core skill set
  • Strong experience building and scaling banking payment systems including Faster Payments, Real‑Time Payments, Card payments, BACS, mobile wallets and APIs.
  • Experience leading on architectural challenges, system scalability, and guidance of engineering teams.
  • Background in Java, C#, Python, or React development with hands‑on technical leadership.
  • Strong background in core banking systems/platforms (Mambu), cloud‑native architectures, microservices and Dev Ops practices.
  • Solid understanding of regulatory, risk and compliance requirements (e. g. PSD2, PCI DSS, GDPR).
  • Experience with cloud platforms (AWS, Azure or GCP) and modern data platforms.

Benefits

Basic salary up to £110,000 (circa) + 25% bonus + 28 days holiday + holiday purchase scheme + occasional travel + health insurance + 13% pension + additional perks.

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Principal Engineer - Java - £110,000 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

We think you need these skills to ace Principal Engineer - Java - £110,000 in London

SQL
Python
Problem-Solving Skills
Data Pipeline Development
Data Engineering
Communication Skills
API Integration