Senior Full Stack Engineer – AVP

Barclays; Jefferson Park (NY); On-site; USD 120,000 - 175,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Vision coverage

401(k) plan

Paid leave

Incentive award

Job summary

Barclays in Whippany, NJ is seeking a Senior Full Stack Engineer – AVP to design, build, and maintain integrations across distributed systems, balancing backend engineering with API management and event-driven design.

You will work across product, design, and other engineers to deliver scalable, resilient solutions; apply secure coding, testing, and observability practices; and explore AI tools to improve efficiency.

Qualifications

• Extensive software engineering experience with Go in production.
• Hands-on with API gateways, preferably Apigee.
• Production Kafka experience including consumer groups and exactly-once delivery.
• Strong data modeling across PostgreSQL, MySQL, and NoSQL.
• Experience with REST/gRPC, Docker, Kubernetes in cloud environments.

Responsibilities

• Develop and deliver high-quality software solutions with scalable code.
• Collaborate with product managers, designers, and engineers to define requirements.
• Participate in code reviews and promote code quality.
• Stay informed on tech trends and contribute to communities.
• Adhere to secure coding practices and implement unit tests.

Skills

Go

Apigee

Kafka

PostgreSQL

MySQL

NoSQL

REST API

gRPC

Docker

Kubernetes

Cloud platforms

LLMs

Protobuf

JSON Schema

Education

B.S. Computer Science

Tools

Protobuf

Avro

JSON Schema

Job description

Job Description

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.

Embark on a transformative journey as a Senior Full Stack Engineer – AVP. At Barclays, our vision is clear –to redefine the future of banking and help craft innovative solutions. In this role, you’ll be responsible for designing, building, and maintaining integrations across distributed systems. You’ll operate at the crossroads of backend engineering, API management, and event-driven design to deliver scalable, resilient solutions that power our platform. This position is ideal for someone who is pragmatic and product-focused, with ability to balance speed and accuracy. You recognize that integrations form the backbone of a platform, and you approach data consistency, failure handling, and observability with rigor. You’re also curious about emerging AI tools and continuously seek ways to work more efficiently and effectively, not just harder.

To be successful as a Senior Full Stack Engineer - AVP, you should have:

• Ample software engineering experience with Go as a primary language, building and maintaining production-grade systems

• Hands-on experience with API gateway platforms (preferably Apigee), including proxy design, traffic management, and security policies

• Practical experience with Apache Kafka in production, including consumer groups, offset management, and delivery semantics (at-least-once / exactly-once)

• Solid data modeling expertise across RDBMS (e.g., PostgreSQL, MySQL—normalization, schema design, query optimization) and NoSQL systems, with understanding of tradeoffs across document, key-value, wide-column, and graph models

• Proficiency in modern engineering practices and tools, including REST/gRPC API design, containerization (Docker, Kubernetes), cloud platforms (GCP, AWS, Azure), and prompt engineering with LLMs (e.g., OpenAI, Gemini, Claude)

Other highly valued skills include:

• Experience with schema-driven development using Protobuf, Avro, or JSON Schema

• Familiarity with GraphQL and event streaming patterns beyond Kafka (e.g., Pub/Sub, Kinesis)

• Exposure to observability best practices, including OpenTelemetry, distributed tracing, and structured logging at scale

• Experience contributing to internal developer platforms or broader platform engineering programs

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

This role is located in our Whippany, NJ office.

Minimum Salary: $120,000

Maximum Salary: $175,000

The minimum and maximum salary/rate information above includes only base salary or base hourly rate. It does not include any other type of compensation or benefits that may be available.

Barclays employees are eligible for a suite of competitive and generous employee benefits, including medical, dental and vision coverage, 401(k), life insurance, and other paid leave for qualifying circumstances.

This position is eligible for an incentive award.