Development Team Lead

Barclays; Maharashtra; On-site; INR 2,500,000 - 5,500,000; Full time

Job summary

Barclays in Pune, India, seeks a Development Team Lead to ensure resilience, scalability, and reliability of critical data systems within the Finance Data Transformation team. You will lead performance engineering and drive improvements in stability and efficiency across data workloads.

Collaborating with BA, SA, and engineering teams, you will deliver high-performing solutions in agile fashion, ensuring compliance with performance standards and SLAs while embedding data-driven practices across

Qualifications

• Design, develop, and maintain data pipelines and data platforms on AWS.
• Build and operate serverless and containerized workloads using AWS Lambda, EC2, and EKS.
• Develop batch and large-scale data processing solutions using Apache Spark.
• Implement data ingestion, transformation, and analytics using AWS Glue and Athena.
• Write complex and high-performance SQL queries for analytics, reporting, and data validation.
• Manage and optimize data storage solutions using AWS S3 and RDS.
• Design and manage AWS infrastructure using Infrastructure as Code (IaC) with CloudFormation.
• Apply AWS security best practices across IAM, VPC networking, data encryption, and access controls.
• Develop clean, scalable, and maintainable code using Python and/or Scala.
• Monitor, troubleshoot, and optimize performance, cost, and reliability of data workloads.
• Collaborate with cross-functional teams to support analytics, reporting, and regulatory use cases.

Responsibilities

• Identify business problems and client requirements that require change within the organisation.
• Develop business requirements that address business problems and opportunities.
• Collaborate with stakeholders to ensure proposed solutions meet their needs and expectations.
• Support the creation of business cases that justify investment in proposed solutions.
• Conduct feasibility studies to determine viability of proposed solutions.
• Support the creation of reports on project progress to ensure proposals are delivered on time and within budget.
• Create operational and process designs to ensure solutions are delivered within scope.
• Support change management activities and traceability to ensure successful implementation.

Skills

AWS

Python

Scala

SQL

Spark

ETL/ELT

Data Modeling

Performance Tuning

Communication

Tools

AWS Lambda

EC2

EKS

S3

RDS

CloudFormation

IAM

VPC

Athena

Glue

Databricks

Snowflake

Job description

At Barclays, we don’t just adapt to the future – we create it. Embark on a transformative journey as part of the Development Team Lead, where you’ll play a pivotal role in ensuring the resilience, scalability, and reliability of critical data systems within the Finance Data Transformation team. You will be a key contributor championing quality and performance for systems that power Finance and Treasury processes / applications, focusing on driving improvements in system stability, efficiency, and control.

Working closely with BA, SA, Engineering teams and stakeholders across Finance Data Transformation team, you will help deliver high-performing solutions through agile delivery models. You will collaborate to understand system benchmarks, identify performance bottlenecks, and lead performance engineering initiatives while interfacing with technology partners to ensure optimal system behaviour under varying load conditions.

Leading the ongoing drive to enhance platform performance and reliability, you will champion a data-driven and collaborative approach, ensuring that performance considerations are embedded throughout the software development lifecycle. Additionally, ensuring compliance with performance standards, risk controls, and service-level expectations will be a key responsibility.

Qualifications and Experience

• Design, develop, and maintain data pipelines and data platforms on AWS.
• Build and operate serverless and containerized workloads using AWS Lambda, EC2, and EKS.
• Develop batch and large‑scale data processing solutions using Apache Spark.
• Implement data ingestion, transformation, and analytics using AWS Glue and Athena.
• Write complex and high‑performance SQL queries for analytics, reporting, and data validation.
• Manage and optimize data storage solutions using AWS S3 and RDS.
• Design and manage AWS infrastructure using Infrastructure as Code (IaC) with CloudFormation.
• Apply AWS security best practices across IAM, VPC networking, data encryption, & access controls.
• Develop clean, scalable, and maintainable code using Python and/or Scala.
• Monitor, troubleshoot, and optimize performance, cost, & reliability of data workloads.
• Collaborate with cross‑functional teams to support analytics, reporting, & regulatory use cases.

Highly Valued Skills

• Good knowledge of AWS Security, including IAM policies, VPC security, encryption, and least‑privilege access.
• Hands‑on programming experience with Python and/or Scala.
• Strong experience with Apache Spark for large‑scale data processing.
• Solid understanding of data engineering concepts such as ETL/ELT, data modelling, and distributed systems.
• Experience with DBT for data transformations.
• Hands‑on exposure to Snowflake.
• Experience working with Databricks.
• Familiarity with modern data lake / lakehouse architectures.
• Experience working in enterprise or regulated environments.
• Strong analytical and problem‑solving skills.
• Ability to work independently and in distributed teams.
• Good communication skills to explain technical concepts to non‑technical stakeholders.
• Strong hands‑on experience with AWS services, including S3, Lambda, EC2, EKS, AWS Glue, Athena, RDS, VPC, IAM, CloudFormation, complex queries, joins, aggregations, user defined functions, performance tuning, & query optimization.

Purpose of the role

To support the organisation, achieve its strategic objectives by the identification of business requirements and solutions that address business problems and opportunities.

Accountabilities

• Identification and analysis of business problems and client requirements that require change within the organisation.
• Development of business requirements that will address business problems and opportunities.
• Collaboration with stakeholders to ensure that proposed solutions meet their needs and expectations.
• Support the creation of business cases that justify investment in proposed solutions.
• Conduct feasibility studies to determine the viability of proposed solutions.
• Support the creation of reports on project progress to ensure proposed solutions are delivered on time and within budget.
• Creation of operational design and process design to ensure that proposed solutions are delivered within the agreed scope.
• Support to change management activities, including development of a traceability matrix to ensure proposed solutions are successfully implemented and embedded in the organisation.

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 develop 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.

The location of the role is Pune, India.

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.