Senior Full Stack Engineer

Full JD available here: https://tinyurl.com/concord-full-stack-jdCompany overviewConcord, part of Crimson Education (a New Zealand-founded ed-tech company with 1,200+ staff in 20+ countries), is reimagining global mobility for the world’s most ambitious people. We help exceptional founders, operators, and professionals achieve their dreams, wherever those dreams may lead. Our clients include individuals and companies such as Andreessen Horowitz, Tracksuit, Ideally, Foundry Labs, and Icehouse Ventures.Founded by experienced startup operators who have built and scaled companies multiple times, Concord understands the real-world complexities of cross-border growth. Backed by a world-class product and engineering team, we’re building modern, AI-powered immigration solutions that make global mobility seamless, transparent, and efficient.Our platform streamlines the complex visa-application process - from evidence collection and letter drafting to automated form generation - while leveraging cutting-edge research and large language models to accelerate every step.We’re now growing our foundational technical team in New Zealand. This is a rare opportunity to shape Concord’s product and technology from the ground up, using the latest tools and frameworks to solve interesting challenges.Roles and responsibilitiesPlatform development: Work with our product and engineering teams to evolve our platform using a modern JS stack (React, Node.js, PostgreSQL, Tailwind). You’ll tackle interesting technical challenges with real-world impact.R&D and AI integration: Explore and validate use-cases for large language models (LLMs) to improve the customer experience and accelerate internal workflows. You’ll help test, optimise, and implement model-based features with an emphasis on performance, accuracy, and reliability.Security and privacy by design: Because we handle sensitive personal and corporate data, security is core to everything we build. You’ll help develop guardrails such as encryption at rest, data siloing, and strict controls on PII exposure - especially in the context of third-party or AI-driven systems.Product shaping: Collaborate with cross-functional teams to design workflows, automations, and product enhancements that scale across multiple jurisdictions and visa categories. You’ll have significant input into how our platform evolves as we expand globally.Skills and experienceExperience: 5+ years in software development, ideally with exposure to complex applications, SaaS platforms, or high-growth startups.Technical fluency: Deep experience with modern JS frameworks (TypeScript, React, Node.js) and SQL databases. Familiarity with AI frameworks or APIs is advantageous, though a strong understanding of AI fundamentals and current limitations is essential.Problem-solving mindset: You thrive on untangling complex problems and delivering elegant, straightforward solutions.Product-obsessed: You care about what you build - not just the code, but what the experience feels like to its end users.Curiosity: You’re a natural tinkerer who enjoys experimenting with new tools, frameworks, and technologies in a fast-moving space.Communication: Strong written and verbal skills, comfortable working with diverse stakeholders - from startup founders to HR leaders and legal team.Why work for Concord (a Crimson Education Company)A fast-growing startup environment with true flexibility and autonomy in how you work.Competitive remuneration based on skill level and experience.Backed by a $1 billion NZD+ company with top-tier investors including Tiger Global and Icehouse Ventures - and recently featured on the front page of The Wall Street Journal.Endless growth opportunities - one-third of all hires last year were internal promotions or role changes.$1,000 annual learning budget per team member - “Level Up” is one of our core values.Regular fireside chats, workshops, and internal events designed to fuel learning and connection.A feedback culture grounded in Radical Candor - honest, respectful, and growth-oriented.