Senior Java/Python developer

Barclays UK; Greater London; On-site; GBP 60,000 - 85,000; Full time

Job summary

A leading financial services provider in Greater London seeks a Java and Python Developer to join their team in a high-performance environment. You will design and develop robust software, ensuring best practices and engaging in cross-functional collaborations. Ideal candidates should possess solid experience in Java and Python, particularly with frameworks like Spring and FastAPI. This role emphasizes innovation and effective communication, aiming to enhance the Barclays technology platform supporting investment strategies. It offers a dynamic workplace with opportunities for professional growth.

Qualifications

• Experience with Core Java and Spring Framework required.
• Proficiency in Python with FastAPI and Flask essential.
• Ability to perform under pressure in a complex environment.

Responsibilities

• Design and develop software using engineering methodologies.
• Deliver high-quality scalable software solutions.
• Collaborate across functions to define software requirements.
• Ensure adherence to secure coding practices.

Skills

Java development (Core Java, Collections, Multi-Threading, Concurrency)

Python development (FastAPI, Flask, Gunicorn)

Ability to thrive in a pressured environment

Good software development practices (TDD, SDLC)

Experience with multi-protocol distributed services

Tools

SQL

Pandas

Flask

Spring Framework

Job description

Join Barclays as a Java and Python developer and be involved in building the technology platform supporting the Barclays Quantitative Investment Strategies business (QIS). The team is working on a multi-year transformation programme to build a more capable, streamlined, and high-performance platform, as a key enabler for the ambitious expansion of the Barclays QIS business.

To be successful as a Java / Python developer within this team, you should have experience with:

• Java development – Core Java, Collections, Multi-Threading and Concurrency, OOPS concepts, Exception Handling, JVM Concepts, Spring Framework (Spring Boot), SQL
• Python development - Python, service frameworks FasAPI/Flask/Gunicorn, OOPS concepts, Exception Handling, Data Analysis and data structures / pandas / numpy; Data Serialization; interaction with data - SQL Alchemy/Redis/S3; Best python coding practices.
• Ability to thrive in a pressured front office environment – fast-moving, complex, volatile, uncertain.

Other highly valued skills include:

• Solid understanding of good software development practices (TDD, SDLC, Containerization, instrumentation, observability).
• Experience in developing, maintaining & debugging multi-protocol distributed services (REST / MQ / Solace / Kafka / etc)
• Good business knowledge of equity derivatives and risk, or derivatives more widely, and ability to acquire new knowledge quickly on the job.

You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen strategic thinking and digital and technology, as well as job-specific technical skills.

This role would be based out of our Barclays headquarters, 1 Churchill Place, London

Purpose of the role

To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues.

Accountabilities

• Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance.
• Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives.
• Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing.
• Stay informed of industry technology trends and innovations and actively contribute to the organization’s technology communities to foster a culture of technical excellence and growth.
• Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions.
• Implementation of effective unit testing practices to ensure proper code design, readability, and reliability.

Assistant Vice President Expectations

• To advise and influence decision making, contribute to policy development and take responsibility for operational effectiveness. Collaborate closely with other functions/ business divisions.
• Lead a team performing complex tasks, using well developed professional knowledge and skills to deliver on work that impacts the whole business function. Set objectives and coach employees in pursuit of those objectives, appraisal of performance relative to objectives and determination of reward outcomes
• If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L – Listen and be authentic, E – Energise and inspire, A – Align across the enterprise, D – Develop others.
• OR for an individual contributor, they will lead collaborative assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments. They will identify new directions for assignments and/ or projects, identifying a combination of cross functional methodologies or practices to meet required outcomes.
• Consult on complex issues; providing advice to People Leaders to support the resolution of escalated issues.
• Identify ways to mitigate risk and developing new policies/procedures in support of the control and governance agenda.
• Take ownership for managing risk and strengthening controls in relation to the work done.
• Perform work that is closely related to that of other areas, which requires understanding of how areas coordinate and contribute to the achievement of the objectives of the organisation sub-function.
• Collaborate with other areas of work, for business aligned support areas to keep up to speed with business activity and the business strategy.
• Engage in complex analysis of data from multiple sources of information, internal and external sources such as procedures and practises (in other areas, teams, companies, etc).to solve problems creatively and effectively.
• Communicate complex information. 'Complex' information could include sensitive information or information that is difficult to communicate because of its content or its audience.
• Influence or convince stakeholders to achieve outcomes.

All colleagues will be expected to demonstrate the Barclays Values of Respect, Integrity, Service, Excellence and Stewardship – our moral compass, helping us do what we believe is right. They will also be expected to demonstrate the Barclays Mindset – to Empower, Challenge and Drive – the operating manual for how we behave.