• Lead and develop multidisciplinary teams (Mobile and Backend), conducting 1-on-1s, individual development plans (IDPs), performance reviews, and talent retention. • Translate and cascade the company's strategic plans to the team, ensuring technical direction is aligned with business objectives. • Ensure delivery of end-to-end solutions, from in-app experience to backend service robustness, working closely with Product Managers (PMs), Product Designers, and other leaders. • Facilitate communication between technical teams and business areas, ensuring transparency, visibility of timelines, and alignment of expectations. • Foster an environment of psychological safety, collaboration, and continuous feedback, acting as an ambassador of Stone's culture. • Promote technical excellence through best practices (Clean Code, clean architecture, CI/CD, DevSecOps, use of RFCs, and a documentation culture). • Monitor OKRs and team and product health metrics (mobile delivery cycle metrics and DORA metrics for backend). • Handle ambiguous scenarios, distributed architectures, and challenging prioritizations, balancing delivery speed and technical debt.

• Lead an organization of 7+ teams to deliver high-impact results, directly managing Engineering Managers and Staff Engineers. • Foster a culture of mentorship and coaching, focusing on the professional growth and leadership capabilities of your direct reports. • Partner with Product Directors and VPs to align roadmaps with commercial goals, customer needs and technical strategy. • Contribute to the maturity of the entire engineering function, collaborating with peers and leading by example, such as leverage the best of the shifting AI landscape • Instill a "customer outcome" mindset, ensuring teams are solving the right problems rather than just shipping features. • Balance the value of commercial delivery with the necessity of managing support, technical debt, and architectural risks. • Navigate and resolve issues pragmatically, providing clarity and direction to your teams when paths are unclear. • Oversee the holistic health of your teams through effective use of data to drive tangible improvements • Serve as a point of escalation for issues and incidents across your teams, ensuring sustainable preventative measures and post-mortem learning. • Support and input into our strategic direction, providing a technical perspective for investment planning and scenario modeling.

Role Description As an Engineering Director, you will support Arbor’s growth as we scale beyond market leadership. You won't just manage teams; you will help to evolve our engineering identity, shape our strategic direction and reimagine our ways of working to ensure we stay at the forefront of the industry’s AI evolution. - Lead an organization of 7+ teams to deliver high-impact results, directly managing Engineering Managers and Staff Engineers. - Foster a culture of mentorship and coaching, focusing on the professional growth and leadership capabilities of your direct reports. - Partner with Product Directors and VPs to align roadmaps with commercial goals, customer needs and technical strategy. - Contribute to the maturity of the entire engineering function, collaborating with peers and leading by example, such as leverage the best of the shifting AI landscape. - Instill a "customer outcome" mindset, ensuring teams are solving the right problems rather than just shipping features. - Balance the value of commercial delivery with the necessity of managing support, technical debt, and architectural risks. - Navigate and resolve issues pragmatically, providing clarity and direction to your teams when paths are unclear. - Oversee the holistic health of your teams through effective use of data to drive tangible improvements. - Serve as a point of escalation for issues and incidents across your teams, ensuring sustainable preventative measures and post-mortem learning. - Support and input into our strategic direction, providing a technical perspective for investment planning and scenario modeling. Qualifications - Exceptional people management experience, with a proven track record of managing and growing managers and Senior individual contributors. - Extensive experience leading multiple teams whilst collaborating with peers on standardised ways of working and organizational growth. - Demonstrable examples of using data and metrics as a "carrot" for continuous improvement rather than a "stick" for management. - Proven ability to partner with and effectively challenge Product leaders to balance commercial value with technical sustainability. - Examples of operating with a sense of urgency, coupled with the ability to thrive in a high-autonomy, high-ambiguity environment. - Real world experience of leading teams through organizational shifts, process changes, or rapid scaling challenges. - Demonstrated success in building high performance engineering teams, without losing speed or autonomy. - Expert communication skills, capable of advocating for technical excellence, building credibility with engineers and "challenging upward" to influence direction. - A strong foundation/background in modern software architecture, with the ability to maintain technical credibility and trust with senior individual contributors. - An understanding of how AI-first engineering will change the SDLC and how to lead through change where there is no playbook, ideally with examples. Benefits - The chance to work alongside a team of hard-working, passionate people in a role where you’ll see the impact of your work every day. - A dedicated wellbeing team who champion initiatives such as mindfulness, lunch n learns, manager training, mental health first aid training and much more! - 32 days holiday (plus Bank Holidays). This is made up of 25 days annual leave plus 7 extra company wide days given over Easter, Summer & Christmas. - Life Assurance paid out at 3x annual salary. - Comprehensive wellness benefit provided by AIG Smart Health, which provides a 24/7 virtual GP service, Mental health support, Counselling, and personalised Health Checks. - Private Dental Insurance with Bupa. - Salary sacrifice Pension provided by Scottish Widows. - Enhanced maternity and adoption leave (20 weeks full pay) and paternity (6 weeks full pay) pay. - 5 free return to work maternity coaching sessions, helping you adapt to this new exciting time of life! - Access to services such as Calm and Bippit (financial wellbeing coaching). - All of our roles champion flexible working and we are happy to discuss what this means to you. - Social committees that plan team, office and company wide events to bring people together and celebrate success. - Dedicated professional development training budget (CPD courses, upskilling resources, professional memberships etc). - Volunteer with a charity of your choice for a day each year. - Dog friendly offices! Interview Process - Phone screen - 1st stage - 2nd stage

Role Description We're looking for an Engineering Manager who thrives at the intersection of leadership, distributed systems, and real-time communications. You'll lead a team of talented engineers responsible for building and scaling our next-generation Unified Telephony Platform that seamlessly connects Office Phone and Contact Center (CCaaS) capabilities into a single, cloud-native communications layer. In this role, you won't just oversee execution—you'll remain deeply involved in architecture, technical design, and code reviews while guiding the team through complex telephony challenges. You'll help build systems that power: - SIP-based calling - IP PBX functionality - Carrier integrations - Intelligent call routing - Voicemail - Presence - AI-powered communications experiences The platform you help shape will be foundational to how financial institutions communicate with customers across voice channels. You'll work closely with Product, Infrastructure, and AI teams to deliver highly available, scalable, and reliable communication services that handle millions of interactions while maintaining exceptional call quality and uptime. As part of our AI-augmented engineering culture, you'll leverage modern AI tools to improve software development productivity, automate testing, accelerate delivery, and enhance system reliability. Qualifications - 10+ years of software development experience, including at least 2+ years in a hands-on engineering leadership role. - Proven experience building and scaling cloud-based telephony, UCaaS, CCaaS, or communications platforms. - Experience leading teams responsible for highly available, distributed systems operating at scale. - Product company experience strongly preferred. - Strong understanding of SIP, VoIP, RTP, WebRTC, PSTN, SIP trunking, and carrier integrations. - Experience with IP PBX platforms, contact center technologies, call routing systems, IVRs, queues, and telephony infrastructure. - Familiarity with telephony compliance requirements, call recording, security, and telecom regulations. - Understanding of call quality monitoring, latency management, and communication system observability. - Expertise designing scalable distributed systems, microservices architectures, event-driven systems, observability frameworks, and CI/CD pipelines. - Strong proficiency in Golang and experience leading backend engineering teams. - Experience building real-time communication systems and cloud-native architectures. - Familiarity with technologies such as FreeSWITCH, Asterisk, Kamailio, OpenSIPS, Twilio, Amazon Connect, Genesys, or similar telephony platforms is highly desirable. - Proven use of AI-assisted engineering tools such as GitHub Copilot, Cursor, Windsurf, or similar productivity platforms. - Experience integrating AI-powered voice solutions, conversational AI, speech analytics, or intelligent automation is a strong plus. - Practical experience with Python is beneficial. - Ability to thrive in ambiguity and convert evolving business needs into clear engineering plans. - Strong customer-first mindset with a focus on business impact and operational excellence. - Decisive, action-oriented leadership style with a track record of delivering in fast-paced environments. - Excellent communication skills with the ability to bridge technical and non-technical stakeholders. - Passion for building and mentoring high-performing engineering teams. - Experience fostering a culture of accountability, experimentation, continuous improvement, and technical excellence. Requirements - Lead by Example: Remain hands-on with system design, architecture reviews, technical decision-making, and code reviews while guiding the team toward engineering excellence. - Own the Telephony Platform: Architect, build, and scale core telephony services including SIP signaling, media handling, IP PBX capabilities, call routing, extension dialing, voicemail, presence, and contact center integrations. - Build Highly Available Communication Systems: Design and operate carrier-grade systems with a focus on call quality, uptime, latency, reliability, and fault tolerance. - Drive Telephony Architecture: Partner closely with Product and Infrastructure teams to evolve the Unified Telephony Platform, including carrier integrations, SIP trunking, PSTN connectivity, and cloud communications architecture. - Deliver Intelligent Call Routing: Lead the development of routing capabilities that seamlessly connect contact center queues, office users, IVRs, extensions, and AI-powered voice workflows. - Collaborate Across Teams: Work closely with Product Management, AI, Infrastructure, Customer Success, and Support teams to deliver seamless customer experiences. - Make AI Your Ally: Leverage AI-powered development tools and automation to improve engineering productivity, testing coverage, operational efficiency, and software quality. - Build for Scale: Ensure systems remain observable, resilient, performant, and secure as platform adoption and call volumes continue to grow. - Raise Engineering Standards: Institute architecture reviews, reliability practices, testing gates, CI/CD standards, security controls, performance benchmarking, and operational excellence. - Grow and Inspire the Team: Hire, mentor, and develop engineers while fostering a culture of ownership, innovation, collaboration, and continuous learning.