Sr Golang Engineer

Cognizant; Burgess Hill; Hybrid; GBP 65,000 - 90,000; Full time

Job summary

Cognizant is seeking a Golang Engineer to design, develop, and maintain scalable backend services for a global loyalty platform. You will work on event-driven pipelines with Apache Kafka, integrate PostgreSQL data models, and containerise services with Docker in a hybrid environment.

You will collaborate across teams, review code, and contribute to improving development processes. The role requires strong Go expertise, PostgreSQL, Kafka experience, and a UK residence.

Qualifications

• Strong hands-on experience with Go for building scalable backend services.
• Experience with PostgreSQL design, query optimisation, and performance tuning.
• Experience with Apache Kafka for event-driven architectures and data streaming.
• Experience with Git-based version control tools (GitLab, GitHub, Bitbucket, SVN).
• Experience with Docker for containerisation and CI/CD pipelines.
• Bachelor degree in Computer Science, Software Engineering, IT, or equivalent.
• Candidates must currently reside in the United Kingdom.

Responsibilities

• Design, develop, and maintain high-quality backend services and APIs using Go (Golang).
• Build and maintain event-driven data pipelines using Apache Kafka.
• Work with PostgreSQL databases to design and optimise data models and queries.
• Containerise and orchestrate services using Docker and support deployment pipelines.
• Collaborate in code reviews and cross-team engineering discussions to uphold code quality.

Skills

Go (Golang)

PostgreSQL

Apache Kafka

Git-based tools

Docker

Education

Bachelor’s degree in CS/Engineering or equivalent

Tools

Docker

PostgreSQL

Apache Kafka

GitLab

GitHub

Bitbucket

SVN

Job description

Golang Engineer

Location: Burgess Hill, United Kingdom Employment Type: Full-time Work Model: Hybrid

About the Role

As a Golang Engineer, you will make an impact by designing, developing, and maintaining scalable, high-performance backend services that power the global Loyalty and Benefits platform at American Express - delivering meaningful experiences to millions of customers worldwide. You will be a valued member of a high-impact engineering team and work collaboratively with cross-functional engineers, architects, and stakeholders to deliver exceptional software solutions.

In this role, you will:

• Design, develop, and maintain high-quality backend services and APIs using Go (Golang), building scalable and resilient components for a globally significant Loyalty and Benefits platform.
• Build and maintain event-driven systems and data pipelines using Apache Kafka, ensuring reliable and scalable message processing across distributed services.
• Work with PostgreSQL databases to design, optimise, and maintain data models and queries that support high-performance, production-grade applications.
• Containerise and orchestrate services using Docker, supporting consistent and repeatable deployment pipelines, and contribute to continuous improvement of development processes within an agile delivery environment.
• Collaborate in code reviews, knowledge sharing, and cross-team engineering discussions, upholding the highest standards of code quality, performance, and engineering best practices.

What You Need to Have to Be Considered

• Strong hands-on experience with Go (Golang) for building scalable, production-grade backend services and APIs.
• Strong experience with PostgreSQL, including database design, query optimisation, and performance tuning.
• Strong experience with Apache Kafka for building event-driven, distributed architectures and data streaming pipelines.
• Strong experience with Git-based version control tools including GitLab, GitHub, Bitbucket, or SVN.
• Good experience with Docker for containerisation and supporting CI/CD deployment pipelines.
• Bachelor of Science or Engineering in Computer Science, Software Engineering, Information Technology, or equivalent practical experience.
• Candidates must currently reside in the United Kingdom.

Additional eligibility requirements:

Candidates must currently reside in the UK.

Candidates must be available to start within 4 weeks of receiving an offer.

These Will Help You Stand Out

• Good knowledge of Java Microservices and Spring Boot, with experience building or integrating with microservices-based architectures.
• Excellent communication and interpersonal skills, with a collaborative, team-oriented approach and a genuine passion for technology, continuous learning, and engineering excellence.

We're excited to meet people who share our mission and can make an impact in a variety of ways. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.

CogWW901