
Junior · New York City
👶 ABOUT JUNIOR We're building cutting-edge LLM-powered tools that supercharge investment research for the world's most demanding deal teams. Our clients inclu...
We're building cutting-edge LLM-powered tools that supercharge investment research for the world's most demanding deal teams. Our
clients include several of the top 10 global private equity firms, Big 4 professional services firms, and leading consulting
practices: organisations responsible for deploying billions of dollars annually.
We're a profitable, bootstrapped company with a growing team of ~43 people based in London and New York. We 10x'd our revenue in
2025 and are on track to grow 2-3x again this year. Junior saves clients an average of 10 hours per week, and we're expanding fast
into new verticals including investment banking, hedge funds, and research firms.
You can read more about the company mission & values here.
As one of our first engineering hires, you'll have the unique opportunity to:
All the usual benefits (competitive pay and equity, private healthcare etc). Unusual benefits:
If you're excited about the opportunity to drive innovation at Junior, we'd love to hear from you! We can't wait to meet you! 🙌
Full Stack Engineer Location: Hybrid in NYC (3 day in-office requirement) Qualifications: * 4-5+ years of professional experience as a software engineer with frontend and backend development. * Hands on experience with Node.js and TypeScript (at least 1+ years) * Experience working with at least one of the following frameworks: React/Vue/Angular. * Experience working on an API as a product, or other products for engineers * Familiarity with AWS, Lambda, and cloud architecture * A familiarity of production systems and the web product architecture. * Independent, fast learner and excited about learning new technologies. * Proactive team player with a desire to impact our team, our product and our customers. A day in the life and how you’ll make an impact: * As a Full Stack Engineer in the Partnerships Integration team, your day will involve building and maintaining integrations with high-profile partners such as Capital One, Shopify, and Fiserv, helping bring Melio’s platform capabilities to these partners. * You will play a critical role in creating custom solutions for these partners, allowing small businesses to manage their payments more efficiently and at various touch points. * We are constantly iterating on our platform to ensure a smooth integration process for partners while maintaining flexibility and speed in launching new features. * Your work will span the entire stack, including building APIs and integrating external systems. * You'll interact with various parts of the system, from the back-end to the front-end, hence your work will involve dealing with diverse data structures and user interfaces. * You'll work with technologies like AWS Lambda, Node.js, TypeScript, React, GraphQL, and MySQL to make this possible. * We’re building REST APIs that we use internally and share externally, and new products based on these. * Cross-collaborate and discuss with other team members about current issues or future improvements, writing code to implement new features or fix bugs, conducting code reviews, and deploying updates. * You will collaborate with internal teams and partner stakeholders to ensure the system is robust, scalable, and meets partner requirements. About the team: The Partnerships Integration team works as a part of our Product Engineering group and acts as the gateway for Melio’s external partners. We maintain long-term relationships, and provide the features and tools that partners need to integrate with our platform. Our integrations enable partners to embed, white-label, or customize Melio’s payment capabilities, opening up new business opportunities. We collaborate with different stakeholders to deliver seamless integrations, build trust with our partners, and push forward Melio’s mission of transforming business payments. We work with modern technologies, including React, Node.js, TypeScript, and AWS microservices, and we are agile and collaborative, constantly looking for ways to improve our partner experience, product reliability, and codebase. In this team, you’ll be part of a high-performance culture that values innovation, problem-solving, and teamwork. About Melio USA: * Competitive compensation packages: We strive to make each and every employee feel valued and appreciated. The annual base salary range for this position is $135,000-$160,000. * Medical, Dental, and Vision: We offer generous and highly competitive plans with up to 100% employer-paid coverage, FSA and HSA. * 401K matching: Feel the investment of a high-growth company. * Wellness: We take a holistic approach to wellness at Melio with a focus on providing financial, physical, emotional, social, and community support for our employees. * Time Off: Time to rest and recharge is a priority for us. We offer competitive vacation time, sick days, holidays, parental leave and wedding days to allow you to take the time you need, when you need it. * Food perks: Enjoy our fully stocked kitchens, along with a weekly Seamless stipend and plenty of catered meals each week. * Office culture: Thrive in our collaborative offices in New York City or Denver, in a hybrid working environment. We are dog friendly as well! * Growth and development: Lean on the diverse team to foster professional and personal growth through workshops, mentorship programs, and team building activities. Melio builds business-to-business (B2B) payment tools so small business owners can spend less time in the back office and more time on their craft. As the fastest-growing B2B payment platform in the US, Melio is working hard to find new and better ways to help small businesses succeed in the ways that work best for them. Melio's diversity, equity and inclusion efforts have always been a top priority within our team. We are an Equal Opportunity Employer, and all of our employees encompass different strengths, experiences and backgrounds. DEI within Melio prioritizes race, gender, age, disability status, veteran status, sexual orientation, religion and many other parts that make up one's identity. Having a diverse team across all offices is key to our success, and inclusion is each #TeaMelio member's responsibility. Melio accepts job applications on an ongoing basis until the position is filled. If you are interested in applying for this job opportunity, please do so directly on our careers page [https://www.lifeatmelio.com/] (or if you’re here already, scroll down and apply now!). This employer participates in E-Verify [https://drive.google.com/file/d/1Hav72jolloAjHVMjwrj4mTymQA7Uw1je/view] and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.
👶 ABOUT JUNIOR We're building cutting-edge LLM-powered tools that supercharge investment research for the world's most demanding deal teams. Our clients include several of the top 10 global private equity firms, Big 4 professional services firms, and leading consulting practices: organisations responsible for deploying billions of dollars annually. We're a profitable, bootstrapped company with a growing team of ~28 people based in London and New York. We 10x'd our revenue in 2025 and are on track to grow 2-3x again this year. Junior saves clients an average of 10 hours per week, and we're expanding fast into new verticals including investment banking, hedge funds, and research firms. 💡 ROLE DESCRIPTION As one of our first engineering hires, you'll have the unique opportunity to: * Ship quickly * Design and build new modes of working with computers * Work on groundbreaking projects involving LLMs * Collaborate closely with our external partners to fuel our growth * Contribute to product decisions, direction and prioritization * Shape our engineering culture 🔧 SAMPLE SET OF PROJECTS * Build new frontier products at Junior to ingest more types of research inputs * Build a voice-to-voice survey tool with extremely low latency that can autonomously conduct high volume of research tasks * Build a mobile app from scratch in 3 weeks * Create segmented knowledge graphs built on top of the output of unstructured ⇒ structured data transformations * Build an AI native CRM system with deep links to the knowledge graph above 🔥 ABOUT YOU We're looking for product-minded full-stack engineers who: * Based in NYC * Are eager to contribute to product decisions * Have strong communication skills and a desire for a client-facing role * Are proficient in our tech stack: Next.js, TypeScript, PostgreSQL * Bonus points for experience building & designing AI-powered products! * Feel like you are never building fast enough 🌵 BENEFITS All the usual benefits (competitive pay and equity, private healthcare etc). Unusual benefits: * Gym membership * In-office cook * Summers working in Greece by the beach If you're excited about the opportunity to drive innovation at Junior, we'd love to hear from you!We can't wait to meet you! 🙌
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