Company Description At The Stepstone Group, we have a simple yetvery importantmission: The right job for everyone. Using our data, platform, and technology, we create opportunities for jobseekers and companies around the world to find a perfect match in fair andequitableway. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring.Join our team of 3,000+ employees and be part of reshaping the labour market and becoming the worlds leading job platform. Job Description The Stepstone Group is an international job tech platform, with over 50 million visits each month, we aim to deliver the best user experiences and personalisation for job seekers and business users alike. Withinthe Stepstone Groupthe Staff Software Engineer holds a senior technologist role within a specific domain or technology Chapter. While contributing to the code base, they will define the technical direction, oversee the architecture and ensure the technical quality of both new and existing technologies. In this context the successful Staff Software Engineerwill be taking technical ownership across 3 Engineering Teams: Talent Profile, Company Profile and Salary Products.They willCollaborate with Engineering Managers to align technical quality and delivery to achieveourdomain-specific goals.They willlead on technical initiatives, fostering alignment among teams andwhile serving as the point of escalation for technical issues and challenges. This role alsoextends to overseeing engineering practices and development across the wider Chapter, plays a pivotal role as a mentor and thought leader, contributes to the growth and knowledge-sharing practicewithin the broader professional community. Your responsibilities Lead domain-level technical initiatives, resolving complex problems while staying hands-on in the codebase and producing both detailed technical work and high-level architecture. Collaborate with engineering and product leaders to simplify domain complexity and evolve the ecosystem. Drive technical alignment and engineering maturity across the domain and organisation via the Chapter structure. Mentor and lead the engineering community, improving delivery speed, quality, and performance. Continuously strengthen architectural, engineering, and security health, while nurturing engineering culture and innovation across the domain and portfolio, partnering with Engineering Director, Product Director, Principal Engineer, Architecture, and Engineering Managers. Qualifications Staff-level engineering background with deep expertise in .NET, Java, TypeScript and React, and a proven record delivering large-scale, production-grade systems using A/B testing. Experience designing and operating large-scale distributed systems on AWS (or similar), including secure development, data protection, compliance, and enterprise architecture. Strong modern frontend expertise: component architecture, design systems, responsive design, accessibility (WCAG), and client-side state management. Hands-on experience with enterprise/SaaS web platforms using microservices and micro-frontends, covering performance (Core Web Vitals, rendering, code splitting, CDN), API integration (REST, OpenAI, Bedrock), and service scalability/resilience. Expertise in LLM-powered web system design (state, caching, guardrails, observability) and strong communication skills for mentoring engineers and setting technical direction across teams. Additional Information Your benefits Werea community here that cares as much about your life outside work as how you feel whenyourewith us. Because your jobshouldnttake over your life, it should enrich it. Here are some of the benefits we offer: 29 days holiday allowance + bank holidays Private medical and dental healthcare Matching pension contribution of 4 or 5% (after 3 years of service up to 10%) 24/7 Employee Assistance Programme Life Assurance Cover Cycle to work scheme Hybrid workingmodel (3 days working fromthe office) Volunteering days and you can bring your dog to the office onMondays and Fridays! Our commitment Equal opportunities are important to us. We believe that diversity and inclusion at The Stepstone Group are critical to our success as a global company, so we want to recruit, develop, and keep the best talent. We encourage applications from everyone, regardless of background, gender identity, sexual orientation, disability status, ethnicity, belief, age, family or parental status, and any other characteristic. As a global business we further our DEI and sustainability progress by working with national and international bodies and are proud to have been recognised for our work - both locally and internationally, including: Armed Forces Covenant: SilverAward, Employer Recognition Scheme EcoVadis: Bronze Award Fertility Friendly Employer, accredited by Fertility Matters at Work RIDI (Recruitment Industry Disability) Awards: Inclusive Technology Award 2024 Stonewall: Gold Award Stonewall: Top 100 Workplace Equality Index (85) TPBN1_UKTJ