Senior Reliability Engineer

Job TitleSenior Reliability EngineerJob DescriptionSo, who are we?Hello, we’re IG Group. We are an FTSE250 FinTech company who run mobile, web and desktop platforms that help our clients trade stocks \&amp; shares, leveraged products, Futures \&amp; Options and Crypto.We are ambitious. Over 340,000 people already use our platforms. We’re global with offices in 18 countries and products in 16 regions. We’re hungry to move faster, ship better product for our customers and grow our user base. We believe in high autonomy, and we want people who are looking to do things differently in order to create better experiences for our customers.We work in cross-functional teams and are laser-focused on increasing the number of active clients we serve to drive sustainable growth.Your teamThe SRE Team comprises highly skilled software engineers dedicated to embedding performance and reliability into IG\&#39;s trading platform. You\&#39;ll work with cutting-edge distributed systems handling high-throughput, low-latency trading operations that demand zero downtime.As a Senior Reliability Engineer, you\&#39;ll champion reliability patterns, performance optimisation, and operational excellence across our trading platform infrastructure.\<br /\>Your role in the Team’s SuccessAs an SRE engineer, you\&#39;ll balance your passion for both software development and reliability engineering, applying engineering discipline to solve operational challenges at scale. You\&#39;ll collaborate closely with development teams as a trusted advisor, influencing system design, establishing reliability standards, and driving quality improvements across the platform. Your role dynamically shifts between hands-on coding—building tools, automation, and infrastructure—and incident response, performance optimisation, and operational excellence.What you’ll doSystem Reliability \&amp; PerformanceImplement comprehensive monitoring and observability using OpenTelemetry standardsIdentify single points of failure in distributed systemsAnalyse system performance across OS and network layers, identifying resource utilisation patterns and bottlenecks to optimise efficiencyDefine and maintain Service Level Objectives (SLOs) for critical trading servicesTechnical LeadershipPartner with development teams on system design, capacity planning, and architectural reviewsProvide technical guidance and hands-on support to help development teams transition their applications from traditional deployment models to containerised infrastructure.Lead incident response efforts and conduct blameless postmortemsInfrastructure \&amp; MessagingOptimise message-driven systems by ensuring reliable event streaming and asynchronous communication patternsScale systems through automation and infrastructure-as-code practicesSoftware Development FundamentalsWrite clean, maintainable code following industry best practices and design patternsApply software engineering best practices, including version control, code reviews, and testing strategiesWhat you’ll need for this roleEssential Technical SkillsStrong Java development experience with a deep understanding of JVM internals and performance tuningHands-on expertise with message brokers (ActiveMQ, Kafka or similar) in production environmentsProven experience with containerization and orchestration (Nomad would be an advantage)Practical knowledge of OpenTelemetry and distributed tracing conceptsSolid understanding of reliability patterns, circuit breakers, and fault toleranceExperience RequirementsExperience in high-throughput, low-latency production environmentsTrack record of improving system reliability and performance at scaleExperience with continuous delivery and DevOps practicesStrong troubleshooting skills in distributed systemsBackground in financial services or similar mission-critical domains (preferred)Core CompetenciesSystems thinking approach to problem-solvingStrong communication skills for cross-team collaborationAbility to balance development and operational responsibilitiesPassion for automation and eliminating toilHow we workWe try to take a thoughtful approach to our ways of working as a company. We follow a hybrid working model with 3 days in the office – which we think balances the need to collaborate effectively and connect with each other. When it comes to how we deliver, there are 5 things we want everyone to do to drive high performance, better learning and career satisfaction:Lead and Inspire: Drives trust, alignment, and enthusiasmThink Big: Focus on the problems that most impact commercial outcomesChampion the client: Understand and prioritise client\&#39;s needsDeliver at pace: Push for fast, sustainable growth; Raise the bar: Take ownership, be accountable and share feedbackWe believe that diversity is vital to success, it fuels creativity, drives innovation and sets us up for global success. We’re committed to building teams with a variety of perspectives and skills to help us realise our vision and strategy, that’s why we encourage applications from people with diverse backgrounds and experiences to join us on this journey. Learn more about our D\&amp;I approach \<a href\="https://www.iggroup.com/careers/diversity-and-inclusion" target\="_blank"\>The PerksYour growth fuels our success!Thrive with tailored development programs, mentoring opportunities with leaders, and clear career progression. Expand your network through committees, sports and social clubs. Enjoy extra time off for volunteering and community work.Competitive salaryFlexible Benefits Package on top of your salary (12%)Private medical cover for you and your familyLife insuranceContribution to gym memberships25 Days holiday, with 1 additional day off to celebrate your Birthday \&amp; 2 additional days off a year for voluntary work (28 in totalThe option to buy or sell holiday days.Unlimited access to the LinkedIn Learning PlatformA comprehensive global and local onboarding processEmployee-led LGBTQ\&#43;, Women’s, Black and Parents \&amp; Carers networks with an annual budget for organising events \&amp; projects that foster an open, diverse and inclusive cultureOption to participate and create ESG initiatives based on IG Brighter Future FundEnhanced primary (maternity), secondary (paternity), and shared parental pay and leave, as well as a range of support and benefits for parents\<br /\>Learn more about the Perks \<a href\="https://www.iggroup.com/careers/what-you-will-get" target\="_blank"\>here!\<br /\> Join us for this exciting journey. Apply now!Number of openings0