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Principal Developer



£55000 - £75000/annum +Benefits

SM2, Sutton, Greater London


Contract | Full Time




Principal Developer/Software Engineer

Sutton, Surrey

Competitive salary + benefits

About us:

RBI uses leading edge technology to deliver market leading information and online data services to business professionals worldwide. Customers have access to our high-value industry data, analytics, information and tools. Our strong global brands hold market-leading positions across a wide range of industry sectors including banking, petrochemicals and aviation where we help customers make key strategic decisions every day.

RBI people are driven by an environment focused on innovation, passion for our products, and collaboration, where working in an agile manner is par for the course. RBI is part of RELX, a FTSE100 global provider of data, information and solutions for professional customers; RELX has recently been ranked by Forbes as #53 in their Top-2000 Global Employers.

The role:

We are seeking an experienced Principal Software Engineer to be based in our Sutton, South London office. You’ll be working in a new global team of specialist developers within a fast paced highly dynamic group, committed to continuous improvement and adoption of best practices.

The Principal Software Engineer is considered an internal subject matter expert providing engineering direction and guidance to senior management and cross-functional project teams. Acts as a lead engineer providing technical oversight and mentoring to other team members. Works on significant and unique issues that impact design or selling success and/or address future concepts, products, or technologies. Focused on short and long-term goals and objectives, work is considered critical to project success.

Technical skills:

·Software development process expert in applicable methodologies (e.g., Agile, Waterfall).

·Expertise in data modelling, design and manipulation, optimization, best practices, tuning, design patterns and leading industry trend knowledge. Any microservices architecture would be beneficial. Serving both back end and front end development.

·Expertise in normalized/dimensional data modelling principles and their application to complex business needs. Expertise in industry technology language development trends.

·Expertise in test-driven development and maintenance including techniques for applying best practices for overall project benefit.

·Expert knowledge of multiple data storage subsystems.

·Proven expertise in the use and development of applicable desktop tool sets.

·Proven expert in partnering and leading internal and external technology resources in solving complex business needs.

·Strong interpersonal skills.

·Strong experience with various resource models such as Managed Services and/or Staff Augmentation.

·Strong knowledge in industry best practices in external resource development.

·Solid knowledge of architectural principles.

·Ability to partner and lead internal and external technology resources in solving complex business needs.

·Strong proficiency with data manipulation language including optimization techniques.

·Ability to design and work with complex data models.

·Expertise in development languages including but not limited to: JavaScript (React, Node), C#, HTML, XML, SQL, Windows, container based development, UNIX, and .Net Core or any major Object Oriented Language.

·Knowledge in using and developing applicable tool sets.

·Strong organization/project planning, time management, and change management skills across multiple functional groups and departments, and strong delegation skills involving prioritizing and reprioritizing projects and managing projects of various size and complexity.

·Advanced problem-solving experience involving leading teams in identifying, researching, and coordinating the resources necessary to effectively troubleshoot/diagnose complex project issues; prior success extracting/translating findings into alternatives/solutions; and identifying risks/impacts and schedule adjustments to facilitate management decision-making.

·Demonstrable proficiency in developing complex JavaScript applications - specifically experience developing Node.js applications and/or client-side applications using, React, React Native, JQuery or similar frameworks. Good knowledge of Cloud and container based development with AWS or Azure including Docker or Kubernetes.

·Familiarity with object-oriented design.

·Understanding of database principles and generic SQL Good knowledge of web and mobile technologies, e.g. HTML5, CSS, iOS and Android.

·Good working knowledge working with APIs and integration.

·Experience of working with lean start up/agile development methodologies. Ideal if also have commercial experience of integrating REST / GraphQL based services in a TDD environment.

·Advance communication (verbal and written) and customer service skills.

·Strong interpersonal, communication, and presentation skills applicable to a wide audience including senior and executive management, customers, etc., including diction/terminology and presenting information in a concise and effective manner to clients, management, and various departments using assorted communication mediums.


·This position provides assistance and input to management, develops and leads large multifunctional development activities, solves complex technical problems, writes complex code for computer systems and serves as a senior source of expertise. The position may also provide sizing or budget recommendations to management.


Serve as a primary technical point of contact for external technology resources.

·Provide design input across a product.

·Work directly with customers and end users.

·Serve as acknowledged subject matter expert person on coding and technical issues.

·Interface with other technical personnel or team members to finalise requirements. ·Write and review portions of detailed specifications for the development of system components of moderate complexity.

Complete complex bug fixes. Design and work with complex data models.

·Mentor lead software developers interested in consultancy on development methodologies and optimization techniques.

BS Engineering/Computer Science or equivalent experience required; advanced degree preferred

RBI is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.

Women in technology:

RBI is very supportive of women in Technology and has been a founding signature for the Tech Talent Charter. Currently 24% of our Technology workforce are women which is much higher than the UK average of 17%. We have the following initiatives in place to support women in technology:

Mentoring scheme for women in technology

Women’s network forum

Regularly run events for schools girl about careers in technology to inspire the next generation of girls in tech.

RBI proudly support the Tech Talent Charter