Senior Java Software Engineer

Harmonic Security

United Kingdom · Full-time · Mid-Senior

Harmonic Security, a cutting-edge startup with joint headquarters in the UK and US, is leading the charge in data protection for the future. We're on a mission to empower organisations to leverage the power of generative AI, without compromising security or privacy.

As a Java Engineer, you'll play a key role in developing secure, scalable backend services that support our innovative data protection solutions. You'll work collaboratively across teams, contributing to designs that solve customer problems, and will be part of a fast-paced environment that encourages ownership and high-quality execution.

Here's where you'll make a significant impact:

Solve Complex Problems: You'll design and build high-throughput, low-latency data processing pipelines, tackling some of the toughest challenges in secure data handling. If you enjoy pushing technical boundaries, this is where you'll thrive
Customer-Focused Innovation: We prioritise solving real customer problems, not just building technology for technology's sake. You'll work on solutions that directly impact our users and protect their data in innovative ways
Drive System Design: You'll have the opportunity to take ownership of key architectural decisions and contribute to the design of scalable, high-performance systems
Modern Development Practices: We use continuous deployment, automated testing, and robust build pipelines. We value efficiency and creativity in development, making sure your work is as enjoyable as it is impactful. Your thinking matters more than the number of lines of code you write

You'll be directly contributing to the development of groundbreaking technology that empowers secure Generative AI adoption within enterprises.

Requirements

This role is ideal for someone with:

Java Expertise: Deep knowledge of Java, Spring Boot, databases, and message queues
Cloud & Infrastructure Experience: Experience with cloud platforms like AWS and infrastructure as code tools like Terraform
Service-Oriented/Microservices Architecture: Experience designing and maintaining services in a microservices or service-oriented environment
Strong Communicator: Ability to explain technical concepts clearly in both written and verbal forms
Production Experience: Proven track record of shipping and maintaining production applications, with a focus on a product driven mindset with incremental delivery
Test-First Mindset: A "QA should find nothing" attitude, ensuring robust testing at every stage of development
Problem solver: A passion for solving complex challenges in a fast-paced, innovative environment

Bonus points if you have:

Experience working in the data or cyber security domain
Experience with column orientated databases (Clickhouse)
Familiarity with containerization (Docker/Kubernetes)
Knowledge of AI/ML model integration
Experience working in fast-paced startups or agile development environments

Benefits

Harmonic Security offers a competitive package:

Competitive Salary & Health: Market-rate salary with private healthcare & dental
Startup Culture: Be part of a dynamic team with innovation at its core
Continuous Learning: Develop your skills with training programs and industry resources
Work-Life Balance: Enjoy a flexible hybrid work environment (office is based in Kings Cross)
Shared Success: Everyone holds stock options, where we all share in the success of the company

Key Skills

Ranked by relevance

ai microservices aws java cloud docker terraform kubernetes containerization

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