Principal Full Stack Java Engineer
Principal Full Stack Java Engineer
๐ Calling all Lead Full Stack Java Developers in or around London – I’m HIRING a Principal Software Engineer (Full-Stack Java & React) ๐
๐ London (1 day in office) ๐ฐ > ยฃ100,000 10% bonus equity
I’m partnering with a fast growing cloud consultancy creating scalable systems across complex, high impact environments.
Looking to hire an experienced Lead / Principal Software Engineer to play a key technical leadership role across multiple delivery teams.This is a hands-on, senior engineering role for someone who enjoys shaping architecture, mentoring engineers, and working end to end across modern full-stack systems.
The Role:
๐ฏAs a senior technical leader, youโll help design and deliver scalable, well architected software solutions while guiding teams toward best practices in engineering, testing, and delivery.
Key responsibilities include:
โ๏ธLeading the design and delivery of modern, scalable software systems;
โ๏ธDefining architecture, service boundaries, and system decomposition;
โ๏ธWorking hands-on across the stack, particularly with Java/Spring and React;
โ๏ธImproving engineering practices around testing, automation, and developer productivity;
โ๏ธMentoring engineers and leading technical discussions;
โ๏ธAdvising stakeholders and customers on technical trade-offs and solution design;
โ๏ธReducing technical debt and improving long-term maintainability
What Weโre Looking For:
๐ฉโ๐ปYouโll be a senior engineer with strong architectural judgement and a passion for building well-designed systems.
Essential experience:
๐ฉโ๐ปStrong background in Java (Spring) and React within full-stack environments;
๐ฉโ๐ปExperience designing and delivering microservice-based architectures;
๐ฉโ๐ปSolid understanding of Domain-Driven Design (DDD) and system decomposition;
๐ฉโ๐ปExperience with SQL and NoSQL databases;
๐ฉโ๐ปStrong focus on testing strategies, automation, and quality;
๐ฉโ๐ปContainerisation and cloud experience (Docker, Kubernetes, AWS); and
๐ฉโ๐ปConfident mentoring engineers and leading technical decisions
Nice to have:
โค๏ธExperience in regulated or public-sector environments;
โค๏ธExposure to cloud platforms beyond AWS (Azure / GCP);
โค๏ธFamiliarity with modern UI frameworks or accessibility-focused design;
A bit about why this is a cracking role:
๐ฏSenior, influential role with real technical ownership;
๐ฏHybrid working with flexibility;
๐ฏCompetitive salary, bonus, and equity;
๐ฏStrong engineering culture focused on quality, sustainability, and modern practices; and
๐ฏOpportunity to work on complex, meaningful systems with experienced peers
If youโre a Lead / Senior / Principal Engineer who enjoys combining hands-on development with technical leadership, this is an excellent opportunity to step into a high impact role.
๐ฉ Apply now by sending your CV AND contact number to beya@sr2rec.co.uk or dropping me a call/text at 07378548899.






