Sr. Full Stack Software Engineer

<p><strong>Location:</strong> Remote (Candidates must actively reside in Ireland or the UK)</p><p>At <strong>Skillko HSI</strong>, we simplify training, compliance, and workforce management for organisations in regulated industries.</p><p>We’re hiring a <strong>Senior Full Stack Software Engineer</strong> to design scalable systems, build modern applications, and mentor engineers across both the back and front end. You’ll work closely with our Principal Engineer, leading development <strong>in Java, Spring Boot, and AWS</strong>, while creating intuitive UIs with <strong>modern JavaScript frameworks</strong> like AngularJS.</p><p>This is a <strong>hands-on technical lead</strong> role where you’ll guide others in coding best practices, architecture, and performance—helping shape both our platform and our engineering culture as we scale.</p><h3><strong>What You’ll Do</strong></h3><p>As a Senior Engineer, you’ll serve as both a <strong>hands-on contributor</strong> and a <strong>technical coach</strong>, driving engineering excellence across the full stack.</p><ul><li><strong>Leadership &amp; Mentorship – </strong>Guide and support engineers across the stack, mentoring in Java and JavaScript best practices, code quality, performance, and modern architectural approaches.</li><li><strong>Full Stack Development</strong> – Take ownership of end-to-end feature delivery, building scalable backend services in <strong>Java, Spring Boot, and Hibernate</strong>, and dynamic front-end interfaces with <strong>modern JavaScript frameworks</strong> (AngularJS).</li><li><strong>Code Reviews &amp; Coaching</strong> – Conduct detailed code reviews, providing constructive feedback to strengthen quality and maintain consistency across back-end and front-end codebases.</li><li><strong>Technical &amp; Architectural Leadership</strong> – Define and champion engineering best practices, code quality standards, and scalable architecture principles while partnering with the Principal Engineer to evolve secure, maintainable, and high-performing systems.</li><li><strong>Production Support &amp; Root Cause Analysis</strong> – Take ownership of critical issues, ensuring rapid triage, deep analysis, and sustainable resolutions.</li><li><strong>Cross-Functional Collaboration</strong> – Partner with Product, Design, and DevOps to deliver impactful features that drive customer success.</li><li><strong>Testing &amp; Automation</strong> – Advocate for and implement strong automated testing, CI/CD, and observability practices.</li><li><strong>Continuous Improvement</strong> – Streamline workflows, enhance development efficiency, and evaluate emerging technologies for adoption.</li><li><strong>Security &amp; Compliance</strong> – Embed secure coding principles and participate in reviews to ensure product and data integrity.</li></ul><h3><strong>Our Tech Stack</strong></h3><p>We work with modern, proven technologies — and value adaptability and curiosity as much as experience.</p><ul><li><strong>Backend:</strong> Java, Spring Boot, Hibernate</li><li><strong>Frontend:</strong> AngularJS / HTML / CSS</li><li><strong>Database:</strong> PostgreSQL (AWS RDS)</li><li><strong>Cloud &amp; DevOps:</strong> AWS, Git, CI/CD pipelines</li><li><strong>Other:</strong> RESTful APIs, automated testing frameworks</li></ul><p><strong>Requirements</strong></p><ul><li><strong>8+ years of software engineering experience, </strong>showing growth in scope, impact, and technical leadership</li><li><strong>6+ years’</strong> experience in <strong>Java and Spring Boot</strong> (deep backend expertise required)</li><li><strong>3+ years</strong>’ experience developing front-end applications using <strong>modern JavaScript frameworks (e.g., Angular, React, or Vue)</strong></li><li>Proven ability to <strong>mentor engineers</strong> in both backend and front-end disciplines</li><li>Experience designing and maintaining REST APIs and backend systems</li><li>Hands-on experience with AWS (Elastic Beanstalk, EC2, RDS, S3, SQS, SNS preferred)</li><li>Familiarity with CI/CD pipelines, Git, and automated testing</li><li>Strong understanding of secure coding principles and application-level security</li><li>Excellent communication and collaboration skills </li><li>Experience working in Agile environments with a continuous improvement mindset</li></ul><p><strong>Benefits</strong></p><ul><li><strong>Meaningful impact</strong> – Help shape the core platform used by thousands of businesses in regulated industries. </li><li><strong>Technical ownership</strong> – We empower engineers to make decisions, innovate, and drive improvements across the stack. </li><li><strong>Collaborative, supportive culture</strong> – Join a tight-knit team that values curiosity, learning, and high-quality code. </li><li><strong>Career growth &amp; development</strong> – Opportunities to advance your technical leadership skills and grow within a scaling, forward-thinking company.</li></ul>