Senior Engineer (Platform)

Later is the world’s most intelligent influencer marketing company, built to give brands the confidence to create unforgettable campaigns. By combining real creator relationships, trusted intelligence, and expert guidance, Later removes fear and guesswork from one of marketing’s most visible investments. Built on a native, AI-powered platform and more than a decade of proprietary data—including billions of social interactions, impressions, and $2.4B+ in verified influencer-driven purchases—Later helps teams understand what will work before they launch. By combining trusted insight with expert guidance, Later removes guesswork from influencer marketing, enabling brands to choose the right creators, execute fully managed campaigns, and drive meaningful growth across awareness, engagement, and revenue. Trusted by leading enterprise brands including Nike, Wayfair, Unilever, and Southwest Airlines, Later bridges creativity and performance so campaigns don’t just look good—they deliver results. Learn more at later.com. About the role: The Senior Engineer is responsible for driving large-scale projects, delivering impactful features, and maintaining high engineering standards. You’ll solve complex problems, collaborate across teams, and mentor junior engineers while continuously improving our codebases and fostering a culture of technical excellence. With deep expertise in modern software development and Agile practices, you’ll shape how we build, scale, and innovate—directly influencing product velocity and engineering culture. What you’ll do: Strategy Design scalable, maintainable, and secure service architectures. Identify opportunities for platform-wide improvements, new service development, and reduction of technical debt. Contribute to long-term platform vision and help shape standards for engineering excellence. Contribute to long-term architectural planning and system design. Technical / Execution Build backend services using C# in a Functional Programming paradigm or TypeScript for web and background worker applications. Work with both SQL and NoSQL databases; PostgreSQL expertise preferred. Implement and maintain CI/CD pipelines, Git workflows, and Infrastructure as Code. Apply security best practices across applications and infrastructure (secure coding, vulnerability assessments, secrets management). Continuously improve the codebase by upholding high standards for code reviews, architecture, testing, and deployment. Act as the go-to expert for debugging, troubleshooting, and system reliability. Team / Collaboration Grow as a technical mentor to multiply team impact by elevating skills and practices of peers and junior engineers. Collaborate within your team and cross-functional teams to define requirements, scope projects, and deliver platform solutions. Work closely with stakeholders to debug, troubleshoot, and resolve complex backend issues across the stack. Contribute to engineering culture by modeling ownership, accountability, and a growth mindset. Leadership Mentor and develop junior engineers through coaching, pairing, and feedback. Champion engineering best practices, raising the bar for technical excellence across the team. Model emotional intelligence and resilience, building trust and inspiring growth in others. Research / Best practices Stay current on emerging technologies in distributed systems, cloud infrastructure, and secure software practices. Stay current on emerging technologies, frameworks, and architectures. Promote Agile best practices and contribute to evolving team workflows (Scrum). Share insights on industry trends and competitor approaches to inform product and engineering strategy. What success looks like: You consistently deliver complex, high-impact projects on time meeting both technical and business objectives. You’re seen as a trusted technical leader and SME of your domain who raises the bar for engineering excellence across the team. You proactively identify opportunities to optimize performance, security, and scalability, and successfully implement solutions. You coach and influence peers, creating a ripple effect that improves team performance and morale. What you bring: A strong appetite for learning and personal growth. 7–10 years of progressive software engineering experience (leadership required) In-depth knowledge of modern software development practices and architectures. Proficiency or ability to ramp up quickly with typed, functional programming in C# or TypeScript. Experience with SQL and NoSQL databases, with PostgreSQL expertise preferred. Experience in system architecture, designing secure, scalable, and maintainable platforms. Experience with Docker, Kubernetes, and AWS (or equivalent cloud). Strong knowledge of DevOps practices (Git, CI/CD, Infrastructure as Code). Expertise in application and infrastructure security best practices. Strong understanding of testing and automation practices. Experience in performance optimization for reliability and scalability. A strong interest in AI/ML applications in production systems. Proven experience working in ambiguous, complex problem spaces with strong problem-solving skills. Proficiency in Agile methodologies (Scrum or Kanban) and project delivery. Excellent communication skills, with the ability to translate technical concepts for all audiences. Strategic problem-solving ability with adaptability in fast-changing environments. A passion for mentoring and a commitment to fostering a culture of excellence. How you work: Driven by Impact: You deliver results that matter—prioritizing high-value work, meeting deadlines, and adapting quickly while keeping outcomes clear. Strategic & Customer-Centric: You anticipate risks and opportunities, connect decisions to long-term growth, and build trust through proactive insights. Curious & Growth-Oriented: You seek knowledge, ask sharp questions, and apply learnings fast—challenging the status quo with a mindset of improvement. Collaborative & Resilient: You thrive in change by staying resourceful, solution-focused, and positive—removing roadblocks, sharing insights, and keeping morale high. Accountable & Honest: You own your work, hold yourself and others to a high bar, and use transparent feedback to drive growth. Emotionally Intelligent: You build trust through empathy and collaboration, foster inclusion, and inspire others with grit, optimism, and integrity. Our approach to compensation: We take a market-based & data-driven approach to compensation. We leverage data from trusted third-party compensation sources to help us understand the market value of a role based on function, level, geographic location, and scope. We evaluate compensation bi-annually, including performance and market-related factors. Our salaries are benchmarked against market Total Cash Compensation for the geographic location of our job posting. Compensation for some roles is structured as On Target Earnings (OTE = base + commission/variable) while for others it is structured as Salary only. The salary range listed for this role reflects the zones that applies to the location of this posting. To comply with local legislation and ensure transparency, we share salary ranges on all job postings. Skills, experience and other factors help determine the final salary we offer which may vary from the original range posted. Additionally, all permanent team members are eligible to participate in various benefits plans as part of their overall compensation package. Salary range: For candidates located in the US: $125,000-205,000 USD For candidates located in the Canada: $110,000-160,000 CAD #LI-Hybrid Where we work: We have offices in Boston, MA; Vancouver, BC; and Vancouver, WA. For select positions, we are open to hiring fully remote candidates. We post our positions in the location(s) where we are open to having the successful candidate be located. Diversity, inclusion, and accessibility: At Later, we are committed to fostering a culture rooted in an inclusion-first mindset at every level of the company, embracing the importance of hiring and building teams for culture add rather than culture fit. We openly build and maintain unbiased hiring, pay, and promotion practices to create a foundation for an equitable workplace, paving the way for systemic change. We are committed to creating a diverse environment and are proud to be an equal opportunity employer. All applications will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, national origin, disability, or age. Please let us know if you require any accommodations or support during the recruitment process.