Java Engineer (12M FTC) – Argos

Company: Sainsbury's
Apply for the Java Engineer (12M FTC) – Argos
Location: London
Job Description:

Overview

We’d all like amazing work to do, and real work-life balance. That’s waiting for you at Sainsbury’s. Think about the scale it takes to feed the nation and the level of data, transactions and variety involved. This is a modern software engineering environment with a focus on standards and principles, agility, and continuous learning. Opportunities across AI and reusable tech exist within a collaborative engineering culture.

In an inclusive, agile environment, you’ll have the space to be curious, to experiment, and to solve real-world challenges, and you’ll see your work in the hands of millions of people across the UK.

Responsibilities

  • Design and develop large-scale, high-performance services using Kotlin, Java, Spring Boot, Gradle, and related tools.
  • Build and enhance websites, apps, microservices, and event-driven architectures.
  • Contribute to the product technical roadmap.
  • Work with cloud and container technologies, including Kubernetes on AWS, Azure, or Google Cloud Platform.
  • Lead the design and support of internal frameworks that enhance wider engineering capabilities.
  • Engineer across the full product lifecycle, including decommissioning.
  • Consider cost, scalability, and support implications in all engineering decisions.
  • Apply strong expertise in Java and Spring Boot, with knowledge of Kotlin or a desire to learn.
  • Apply a solid understanding of engineering and architectural principles, including unit testing and TDD.
  • Demonstrate experience in software design and implementation across security, cloud, infrastructure as code, and CI/CD.
  • Experience working with microservices and event-driven systems.
  • Knowledge of cloud platforms (AWS, Azure, or GCP) and containerisation (Kubernetes).
  • Show strong self-drive and a commitment to improving processes, teams, and engineering communities.
  • Advocate for Agile and Lean delivery methodologies and DevSecOps principles.
  • Deliver customer-focused solutions and own the full SDLC.
  • Demonstrate curiosity and a genuine interest in emerging technologies, empathy, teamwork, and the ability to support others in delivering high-quality outcomes.
  • Contribute to a collaborative culture with generous colleague discounts across Sainsbury’s, Argos, Tu, and Habitat.

Qualifications

  • Proven experience with Java and Spring Boot; knowledge of Kotlin or willingness to learn.
  • Strong understanding of unit testing and TDD.
  • Experience in security, cloud, infrastructure as code, and CI/CD.
  • Experience with microservices and event-driven architectures.
  • Familiarity with cloud platforms (AWS, Azure, or GCP) and containerisation (Kubernetes).
  • Ability to design and implement scalable, maintainable software in an Agile environment.

Benefits

  • Generous colleague discount across Sainsbury’s, Argos, Tu, and Habitat.
  • Pension and life cover.
  • Access to special offers on gyms, restaurants, holidays, and retail vouchers.
  • Performance-related bonus potential, annual holiday allowance, and optional additional holiday purchase.
  • Various financial and wellbeing benefits, including season ticket loans, cycle to work, health plans, and employee assistance program.

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Posted: June 7th, 2026