Front-End Engineer with Back-End Proficiency

Position: Front-End Engineer with Back-End ProficiencyLocation: Remote (Global)Employment Type: Full-TimeContract Type: Independent Contractor🌎 Embrace the freedom of working from anywhere in the world and join the #remoteworkrevolution!‼️About Us:We are a rapidly expanding, product-focused digital company dedicated to creating scalable, user-friendly platf…

Type: Full-time | Long-term Independent ContractorReports to: CTOLocation: Remote / (EST, CST) Time ZoneAbout Our CompanyAt Activate Talent, we are a dynamic marketing agency dedicated to driving e-commerce growth and optimizing conversion rates. Our mission is to enhance the customer journey for brands, leading to increased sales and customer lifetime value. We specialize in strategies that improve site conversion, minimize cart abandonment, and encourage repeat purchases through innovative creative and technical solutions. By focusing on data-driven results, we provide our clients with measurable outcomes such as increased conversion rates, enhanced customer loyalty, and significant growth in lifetime value.Role OverviewAs our Lead Full-Stack Engineer, you will be at the forefront of developing and scaling the inaugural production version of our AI-powered Marketing Intelligence Layer for Shopify brands. Your role will involve transforming prototypes into high-quality, secure, and efficient web applications that seamlessly integrate with Shopify, Klaviyo, and other future MarTech tools.Key ResponsibilitiesDesign, develop, and maintain the core application (front-end + back-end).Integrate with Shopify Admin API, Klaviyo API, and various partner APIs.Implement data ingestion processes and user authentication (OAuth 2.0).Create dashboards and insights that provide actionable recommendations.Collaborate closely with the CTO and AI team to develop API endpoints for LLM interactions.Establish CI/CD pipelines, testing protocols, and comprehensive documentation.QualificationsEssential Skills & ExperienceFrontend technologies: React, Next.js (or Remix), TypeScript, TailwindCSS.Backend technologies: Node.js + Express or NestJS, PostgreSQL (via Prisma ORM).DevOps familiarity: Docker, GitHub Actions, AWS (Lambda, ECS, or Amplify).Experience with Shopify GraphQL Admin API and Klaviyo REST API.Solid understanding of marketing KPIs (LTV, CAC, ROAS, retention).3–5 years of experience in building production SaaS applications with multi-tenant architecture.Preferred Qualifications: Familiarity with Stripe Billing, Auth0, or Supabase Auth.Success MetricsDeployment of V1 of the product to real Shopify stores.Achieve Ensure stable connections with Shopify/Klaviyo even during high traffic periods.

Join Katapult LabsAt Katapult Labs, we unite extraordinary talent from LATAM with cutting-edge technology to drive growth in U.S. startups. Our AI-first philosophy allows us to develop unparalleled solutions across product design, engineering, and business expansion. We collaborate with visionary founders from renowned networks like 8VC and Action Capital, all while focusing on building robust, venture-backed companies.Project and Role OverviewIn this role, you will embark on an exciting greenfield project aimed at empowering tastemakers, including travel agents and content influencers. Your mission will be to create a state-of-the-art platform from the ground up, integrating innovative AI features, user-friendly interfaces, and seamless system integrations. This position offers you the liberty to innovate, prototype, and implement cutting-edge solutions. As a Senior Full-Stack Engineer, you will be instrumental in the comprehensive design and development process of the platform, collaborating closely with the Product and Engineering Lead and various stakeholders to shape the product's vision and execution.

Join Livefront, where we empower businesses to create remarkable digital products that captivate audiences and evoke joy. Our collaborations with renowned brands such as Target, Samsung, General Mills, and Optum have delivered impactful experiences to millions, while we also support innovative startups like HomeSpotter and Credly in redefining their industries. We are seeking a talented AI Solutions Engineer to become a vital part of our team. This senior-level role offers the flexibility to work remotely within Colombia.

Join CrewBloom as a Sales Development Representative (SDR) focusing on Outbound Sales and become a vital member of our dynamic sales team. In this role, you'll be pivotal in initiating the sales process, with a primary objective of identifying and engaging potential clients through innovative outreach strategies. Your efforts will play a crucial role in generating qualified leads that drive our overall sales growth.Key Responsibilities: Execute outbound prospecting via calls, emails, and social media to establish a strong sales pipeline. Identify key decision-makers and create effective engagement strategies. Qualify leads and arrange meetings for the sales team to convert them into clients. Maintain comprehensive records of interactions, follow-ups, and outcomes in our CRM system. Work collaboratively with the marketing team to synchronize outreach efforts with ongoing campaigns and initiatives. Continuously expand your knowledge of our products and services to confidently communicate their value to prospects.

About Katapult LabsKatapult Labs is a premier nearshore software development agency that fuses top-tier talent from Latin America with unparalleled execution and leadership expertise. Our AI-first approach to product engineering puts us at the forefront of innovation, allowing us to partner effectively with PMF+ startups and enterprises across the United States, enhancing their product engineering capabilities.Role OverviewAs a Staff Full-Stack Engineer, you will be instrumental in collaborating with our lead engineer and directly working with US-based founders to architect and implement comprehensive features across our platform. Your responsibilities will span from developing marketplace and applicant workflows to creating compliance tools and property management dashboards. You will ensure the delivery of clean, user-friendly interfaces tailored for a diverse range of users, while also maintaining backend services and APIs that facilitate complex compliance operations. This role is integral to our product-focused engineering team, granting you substantial ownership over code quality and user experience, ultimately supporting communities reliant on accessible and dependable housing solutions.Key ResponsibilitiesEmbrace an AI-first mindset, pinpointing opportunities to automate and streamline intricate compliance and administrative tasks.Design and construct end-to-end features across the platform, including marketplace functionalities, applicant flows, compliance tools, and property management dashboards.Create clean, intuitive user interfaces for a variety of user types including applicants, property managers, and governmental entities.Design and manage backend services and APIs that underlie complex compliance workflows and data governance.Contribute to key architectural decisions of the platform, ensuring scalability and reliability as our product evolves.Collaborate closely with US-based founders and stakeholders, articulating progress and trade-offs clearly in English.Uphold high standards for code quality, including rigorous testing and comprehensive documentation.

Bluelight Consulting stands at the forefront of software consultancy, committed to crafting innovative technology solutions that enrich user experiences. Our unwavering dedication to providing superior service underpins our focus on quality and client satisfaction. We aim not just to develop groundbreaking applications but also to cultivate a collaborative and supportive work environment where every team member can flourish. With operations spanning the United States and Central/South America, we are in a thrilling growth phase, continuously on the lookout for outstanding talent to join our vibrant and diverse team.We invite a talented Fullstack Senior Engineer to join our expanding team at Bluelight Consulting. This role is perfect for individuals who excel in a fast-paced, dynamic setting where every voice is heard and valued. You will engage in meaningful and challenging projects, producing high-quality applications that make a significant impact in the market. We cherish continuous learning, personal development, and dedication, fostering a collaborative atmosphere that encourages professional growth. If you are enthusiastic about software development and eager to be part of a thriving consultancy, we welcome your application to embark on this exciting journey with us.

About Speechify Speechify aims to remove reading barriers from the learning process. With more than 50 million users, our text-to-speech tools convert PDFs, books, Google Docs, news articles, and websites into audio. This allows people to read faster, absorb more information, and remember what they learn. Our products include iOS and Android apps, a Mac app, a Chrome extension, and a web app. Google recently named Speechify the Chrome Extension of the Year, and Apple selected us as App of the Day. Team and Work Environment Our team of nearly 200 works fully remotely, Speechify does not have a physical office. Team members include frontend and backend engineers, AI research scientists, and professionals from companies like Amazon, Microsoft, and Google, as well as alumni of institutions such as Stanford and high-growth startups like Stripe, Vercel, and Bolt. The company keeps a flat structure, giving anyone the chance to lead by demonstrating technical skill and delivering results quickly. Role Overview: Tech Lead, Web Core Product & Chrome Extension This leadership role focuses on driving product development for our web and Chrome extension platforms. The position suits someone who enjoys shaping user experiences and has a strategic mindset. Strong technical skills, a solid work ethic, and clear communication are important for success here. Location Medellín, Colombia (fully remote with a distributed team). What You Will Do Write production code for Speechify’s web products. Work closely with a dedicated product team to deliver features. Participate in product discussions and help shape the roadmap. Help build new features that reach and benefit millions of users. What We Look For Experience building and launching products that have scaled to thousands or millions of users. A strong focus on customer needs and a drive to deliver high-quality products. Ability to work efficiently, generate ideas quickly, and distinguish between features that can ship now and those needing more polish. Adaptability and focus in a startup setting, knowing when to collaborate and when to dive deep on tasks. Background in a similar role or industry. Interview Process The interview process includes several technical evaluations, usually completed within a week.

Role Overview Anyone-AI is building high-quality STEM training data for advanced AI models used in leading research labs. This fully remote position is open to candidates based in Colombia. The team seeks Chemistry specialists to develop rigorous, deterministic problems that test AI systems’ reasoning, domain expertise, and computational skills. Projects span computational chemistry, physical and analytical chemistry, chemical engineering, and tasks involving specialized chemistry software. What You Will Do Create complex chemistry problems that reflect real scientific workflows. Develop tasks with exactly one correct, verifiable solution. Design challenges requiring deep reasoning and computational methods. Work with Python and, where needed, chemistry-specific tools or simulation packages. Document all tasks to ensure reproducibility and technical accuracy. Write clear, concise technical explanations in English. Requirements Bachelor’s, Master’s, or PhD in Chemistry or a related discipline. Background in research or industry involving computational or quantitative chemistry workflows. Proficiency in Python and scientific libraries. Strong grasp of modeling, numerical techniques, and chemical reasoning. Ability to design original, challenging problems beyond standard textbook material. Keen attention to detail and skill in technical writing. Preferred Qualifications Experience in a related field or with specialized chemistry software tools.

Join Sutherland as a Software Integration Engineer, where you will harness your skills in SQL and Java to develop innovative software solutions. You will play a key role in integrating various systems, ensuring seamless data flow and functionality. This position offers an exciting opportunity for entry-level professionals eager to grow their careers in technology.

CI&T brings together human and artificial intelligence to create innovative, scalable technology solutions. With a team of more than 8,000 professionals worldwide and three decades of experience, the company has worked with over 1,000 clients, keeping artificial intelligence at the center of its approach. Role overview The Senior Software Architect will play a key role in shaping software architecture and ensuring that high-level technical visions translate into practical, maintainable designs. This position is based in Colombia. What you will do Design systems that are scalable and maintainable Mentor engineering teams to deliver high-quality, observable, and testable code Ensure software aligns with both product goals and architectural standards Collaborate closely with product, platform, and engineering teams Provide leadership in system design and operational stewardship Who succeeds in this role Engineers with experience in translating architectural visions into working software Those comfortable mentoring teams and setting technical direction Professionals who value collaboration across multiple disciplines

Join Kpler as a Senior Full Stack Engineer and play a pivotal role in transforming the way we analyze and visualize data. You will work with cutting-edge technologies to develop robust applications that provide real-time insights into the global commodity markets. Your expertise will help us build scalable solutions that enhance user experience and drive business decisions.

Join Connectly, a pioneering force in the realm of conversational commerce within Latin America, as we revolutionize customer interactions primarily through WhatsApp. Our cutting-edge 360° AI engagement platform enables retailers to seamlessly sell, provide support, and scale their operations directly within the applications their customers engage with every day.As a proud VC-backed Series B startup, we boast a stellar team comprised of professionals from leading companies such as Meta, Google, and Uber, among others from Silicon Valley. With a hybrid organizational structure, we operate from our offices in Bogotá and San Francisco while fostering a remote-first culture that embraces talent from across LATAM.

About UsAt Nubank, we are proud to be one of the largest digital financial platforms globally, serving over 122 million customers across Brazil, Mexico, and Colombia. Our mission is to simplify financial services and empower individuals, leading the transformation of financial experiences in Latin America. This is just the beginning of our vision for a vibrant future.As a publicly traded company on the New York Stock Exchange (NYSE: NU), we harness innovative technology, advanced data analytics, and a streamlined operational model to offer financial products that are accessible, straightforward, and user-friendly.Our achievements have earned us accolades from renowned global organizations, including Time's 100 Companies, Fast Company’s Most Innovative Companies, and Forbes’ World’s Best Bank. To learn more about us, visit our institutional page https://international.nubank.com.br/careers/.Nubank is seeking a Lead Software Engineer to spearhead innovative solutions and provide technical leadership within our agile teams. In this pivotal role, you will confront intricate challenges, influence our technical roadmap, mentor fellow engineers, and contribute to our mission of fostering inclusive teams while delivering outstanding customer experiences.For insights into our workplace culture, check out our blog.

Join Kpler as a Full Stack Engineer and be part of a dedicated team transforming complex data into actionable insights for the commodities, energy, and maritime sectors. Work remotely from Colombia or Brazil and contribute to our mission of simplifying global trade information. You will develop intuitive front-end interfaces, APIs, and SDKs that seamlessly integrate our data into our clients' workflows, empowering them to make informed decisions.