Senior Backend Engineer

About UsAt Stensul, we are redefining the landscape of enterprise marketing with our Governed Creation™ Platform. Designed to empower marketing teams, our platform enables rapid, safe, and scalable campaign creation. We integrate AI-driven tools, no-code production, embedded governance, and seamless marketing tech integrations, resulting in faster outputs, c…

Join us at Fever, the premier technology platform transforming culture and live entertainment worldwide!Our goal? To make culture and entertainment accessible to everyone. Utilizing our innovative technology and insights, we are changing the way individuals interact with live events. Each month, our platform captivates over 300 million users across more than 40 countries, empowering event creators through data and technology to innovate and expand their audience reach.Our achievements? We’ve collaborated with iconic brands such as Netflix, F.C. Barcelona, and Primavera Sound, delivering internationally awarded experiences backed by top global investors!We’re on the lookout for talented innovators who are ready to help shape the future of entertainment. Are you prepared to join us in this exciting journey?As part of our engineering team, you will support the development, enhancement, and maintenance of all Fever services, ensuring that more people can enjoy incredible experiences.

Join Silver as a Backend Engineer specializing in Python. We are looking for a talented engineer who is passionate about building robust and scalable backend systems. In this role, you will be responsible for developing server-side applications, optimizing data storage solutions, and collaborating with front-end developers to create seamless user experiences. If you thrive in a dynamic environment and enjoy tackling complex challenges, we want to hear from you!

Join the FlipaClip Team!FlipaClip is the leading animation application worldwide, boasting over 90 million installations. Transform your mobile device into a powerful animation studio!In an industry traditionally reliant on massive budgets and extensive production timelines, we are pioneering a new era. Imagine a blockbuster animated film created by a 15-year-old in her parent's basement, using just a smartphone — all at zero cost. We are making this a reality.

Role Overview Delivery Hero is looking for a Senior Backend Software Engineer in CABA to help build and scale applications that support our delivery services. This role focuses on designing, developing, and maintaining backend systems that keep our platform reliable and performant as we grow. What You Will Do Work with teams across disciplines to design and implement backend solutions Develop and maintain systems that handle increasing traffic and data Contribute to the stability and reliability of our core architecture Help improve application performance for a growing user base

Join our innovative team at Delivery Hero as a Backend Software Engineer, where you will play a pivotal role in developing robust backend solutions that enhance our delivery services. This exciting opportunity allows you to work with cutting-edge technologies and collaborate with a talented team dedicated to revolutionizing the way people receive their food.

At Intuition Machines, our security solutions are recognized and utilized by industry leaders across various sectors. One of our flagship products, the hCaptcha security suite, embodies our commitment to innovation and excellence. Our operational philosophy revolves around empowering small teams to achieve high agency and rapid iterations, with AI and Machine Learning driving our product offerings. Our globally distributed team is dedicated to building efficient systems that prioritize speed and reliability.As a Senior Backend Engineer within our Detection team, you will be vital in developing, supporting, and maintaining the essential tools and services of the hCaptcha application that focus on detecting and verifying user interactions. You will collaborate closely with Security and Machine Learning engineers to continuously enhance hCaptcha’s functionalities, utilizing programming languages like JavaScript and Go to tackle global user challenges.Your role will also encompass practicing DevSecOps, ensuring security implementations, monitoring, automation, and the management of production systems around your code. As a customer-centric organization, you will engage directly with both enterprise customers and startups, collaborating with our product, customer success, and sales teams.

Join Delivery Hero as a Senior Backend Software Engineer, where you will play a critical role in shaping the future of our technology. If you are passionate about backend development and eager to tackle complex challenges in a fast-paced environment, we want to hear from you!

ABOUT SQUIRESQUIRE is an innovative business management system tailored for barbers, shop owners, and their communities. Our mission is to empower artistry and independence without the burdens of business complexities. Through SQUIRE, we equip barbers at every stage with custom-branded tools and resources to attract and retain customers, streamline operations, and boost revenue.Established in 2015, SQUIRE is trusted by over 30,000 barbers in more than 5,000 shops across 1,000 cities globally. Our platform facilitates everything from seamless booking and shop openings to real-time earnings dashboards and fostering enduring customer relationships, enabling barbers to harmonize their artistic craft with their business aspirations.Discover more about us at getsquire.com or download the SQUIRE app on the App Store or Google Play.

About CookUnity:CookUnity was established in 2018 to revive the soul of food by connecting people with extraordinary chefs. Delivering 50 million meals annually, we prioritize fresh, ready-to-eat meals crafted with passion. Our innovative marketplace aims to empower chefs to share their culinary creations with the world.Join us on our mission to nourish the world through exceptional cuisine.About the Team:The Kitchen Tech Team is the backbone of CookUnity’s culinary technology innovations. We develop and maintain systems that enhance operational efficiency and quality. As part of the ChefOS Zone, we support the entire meal lifecycle—ensuring precise ingredient sourcing, nutritional data accuracy, and compliance with dietary preferences.Collaboration is key; we work closely with chefs, supply chains, and operations teams to integrate inventory management, order processing, and fulfillment systems. Our goal is to equip chefs with intuitive tools while maintaining efficiency and reliability in large-scale meal production.The Role:We are seeking a Staff Backend Engineer to join our dynamic team. In this position, you will design, build, and maintain scalable backend services that power our core recipe management functionalities. Collaborating with talented engineers, product managers, and designers, you will utilize Kotlin and Java, frameworks like Micronaut or Spring Boot, and integrate Temporal for workflow automation.This is an individual contributor (IC) role emphasizing backend architecture, performance, and scalability. If you thrive on solving complex challenges and optimizing workflows, we would love to hear from you.

latamcent is hiring a Staff Engineer focused on backend systems and analytics, based in Argentina. This role combines hands-on engineering with technical leadership, shaping both the architecture and ongoing reliability of core backend platforms. The position also plays a key part in building and maintaining analytics infrastructure that supports product decisions and data integrity. Role overview As Staff Engineer, you will own the technical direction for backend services and analytics pipelines. The work spans defining standards, guiding a small team of 1–3 engineers, and leading by example through active coding. The position requires experience building scalable backend systems for consumer or product-led companies, along with a deep understanding of analytics infrastructure, including event taxonomy, data governance, experimentation, and attribution tools. What you will do Audit existing backend and analytics systems to identify critical gaps and improvement areas. Establish or refine engineering standards, implement automated testing, and track KPIs for reliability, data quality, and development efficiency. Lead the analytics infrastructure: refine event taxonomy, reconcile tools, and improve data reliability for the team. Set the technical vision for at least one major backend or data initiative and guide it through to production. Build strong working relationships with product and engineering stakeholders through clear, proactive communication. Key responsibilities Oversee delivery and ongoing operation of backend systems, from architecture through production. Define and evolve backend engineering processes, standards, and best practices. Develop and use KPIs to monitor system reliability, development speed, data quality, and error rates. Make system-level architectural decisions and communicate trade-offs to engineering and product teams. Manage analytics infrastructure, including event taxonomy, governance, and tool reconciliation (e.g., Amplitude, Appsflyer). Develop and maintain experimentation infrastructure: A/B testing, variant assignment, and defining success metrics. Debug and maintain user and identity systems across login, logout, multi-device, and reinstall scenarios.

Join the Fintech Engineering team at PedidosYa, where you'll have the chance to play a pivotal role in the development of one of our fastest-growing products. This position allows you to build from the ground up, contributing to one of the company's most ambitious long-term strategic initiatives. We are looking for talented software engineers who are eager to tackle complex technical challenges and create financial solutions that enhance the experience for millions of users in a highly dynamic environment.Promote best practices in code quality to ensure scalability and flexibility.Develop microservices that meet our rigorous standards.Integrate both internal and external services, enhancing the user experience.Collaborate with the team to propose and implement new features and improvements.Work within a high-performance team to achieve defined goals.

Hello! We are Fever, the premier technology platform for culture and live entertainment.Our vision? To make culture and entertainment accessible to everyone. With our innovative technology and analytical approach, we’re transforming how individuals engage with live events. Every month, our platform captivates over 300 million users across more than 40 countries, enabling them to discover unforgettable experiences while empowering event creators with our insights and technology to scale and innovate their offerings.Our achievements? Collaborating with industry giants like Netflix, F.C. Barcelona, and Primavera Sound, delivering internationally acclaimed experiences, and supported by top-tier global investors! Impressive, right? To fulfill our mission, we're seeking forward-thinkers with a hands-on approach eager to help shape the future of entertainment! Are you ready to be part of this exciting journey?Now, let’s dive into the specifics of this role and your contribution to Fever's mission.About the RoleWhat are we looking for:We seek a Senior Backend Engineer (PHP) who is passionate about tackling complex challenges, designing robust systems, and building dependable services that can handle significant traffic effectively. If you excel in distributed environments, prioritize code quality, and enjoy working with event-driven architectures, you will thrive at Fever.You will engage with backend systems that support extensive experiences, payment processing, reconciliation, and high-traffic flows utilized by millions globally .Your first month at Fever:Fully onboard into Fever’s engineering culture, architecture, and technical stack (PHP 8, microservices, Docker, AWS, CI/CD).Collaborate closely with your team during planning sessions, grooming, and retrospectives.Make initial contributions to production systems with multiple PRs merged.Understand and interact with essential services: authentication, payments, reconciliation, operational tools.Experience one of Fever’s events, such as Candlelight .After three months at Fever:Design and implement backend solutions from architecture to production-ready code.Continue to develop and maintain high-performance PHP services...

About CookUnity:At CookUnity, we believe that food should be a source of nourishment, inspiration, and connection. Founded in 2018, we are the pioneering platform that links individuals with exceptional chefs, delivering over 50 million meals annually across the country. Our meals are fresh, ready-to-eat, and crafted with care and passion, bringing culinary excellence right to your home.But we’re not stopping there. CookUnity is evolving into a dynamic marketplace with a singular mission: empowering chefs to feed the world.If this mission resonates with you, then you’ve come to the right place.About the Team:Fraîche is CookUnity’s premium smart fridge solution for workplaces, offering fresh, chef-crafted meals, snacks, and beverages available 24/7 right in the office. Employees can explore a diverse menu on the Fraîche mobile app to unlock the IoT-enabled fridge and enjoy their meals without pre-ordering. As part of CookUnity’s B2B division, Fraîche is redefining the dining experience in workplaces, transforming how employees eat at work.We are looking for a Senior Backend / Platform Engineer with robust backend engineering experience and the capability to contribute to our mobile app (approximately 70% backend / 30% mobile). In this role, you will enhance our platform capabilities that power the Fraîche experience, including backend services developed with PHP and Symfony, data systems (PostgreSQL, Elasticsearch), message queues, Redis, and infrastructure operations. Additionally, you will contribute to the Fraîche mobile app (Flutter preferred, React Native acceptable) for both hardware-aware and user-facing features. If you are passionate about backend development, platform reliability, automation, and creating products that seamlessly connect the digital with the physical, this position is perfect for you!

Join Bancoli (https://bancoli.com), a forward-thinking fintech company driven by a team of passionate professionals committed to crafting solutions that make a significant impact. Our focus on collaboration and innovation allows us to create products that enhance lives, and we pride ourselves on working swiftly yet thoughtfully to ensure our contributions are meaningful.We are in search of a Senior Backend Engineer specializing in automation to enhance our diverse, globally distributed team. In this pivotal role, you will be key in developing secure, scalable, and user-friendly fintech products that cater to thousands of businesses worldwide. This position is entirely remote.Your contributions will involve driving the evolution of innovative, AI-enhanced software. You will work on optimizing our international value-moving products, such as predictive services and multi-currency payment systems, ensuring they meet the highest standards for safety, privacy, and performance.

Join Azumo as a passionate Backend Engineer, where you will play a pivotal role in developing and enhancing high-performance, scalable backend systems in the realms of AI, NLP, and conversational software.This is a fantastic opportunity for candidates residing in Latin America, as we aim to build a strong team of local engineers.In this role, you will collaborate with a dynamic team of innovative engineers dedicated to AI computing. If you have a passion for designing and developing scalable, high-performance backend infrastructures using GO (Golang), open-source frameworks, and modern cloud technologies, you will thrive here.Responsibilities:Design, develop, and test robust server features and APIs.Integrate existing applications with third-party systems.Assess various technological approaches to problem-solving.

Join Our Team as a Backend EngineerAt Silver, we're on the cutting edge of technology, and we invite you to be a part of our innovative journey. As a Backend Engineer, you will have the unique opportunity to develop and enhance our backend services, tackling complex technical challenges that significantly impact our users' experience. We're seeking dedicated professionals who possess a robust product sense and are committed to long-term success.Your Responsibilities:Design and implement essential functionalities for our mobile applications, collaborating closely with product managers, mobile developers, platform engineers, and fellow backend engineers.Refine and optimize existing systems by addressing bugs, enhancing resource efficiency, and ensuring scalability.Deliver production-ready code and features to users on a regular basis, following an incremental development approach.Create tools to enhance our development practices and streamline workflows.Engage in code reviews to elevate the quality of our codebase and product offerings.Take full ownership of your code once it's in production.Collaborate with our Customer Experience team to resolve user issues related to the app.Qualifications:Proven experience running distributed systems in a production environment.Strong cross-team collaboration skills; our environment thrives on cross-functional teamwork.A beginner’s mindset with a relentless drive for understanding.Ability to take ownership of problems and actively seek solutions.Eagerness to engage with and resolve open issues.A flexible approach to problem-solving, ready to tackle whatever challenges arise.Technical Skills:Proficiency in Java 17.Experience with Kubernetes, and observability tools such as Honeycomb, Grafana, and Sentry.Familiarity with CI/CD pipelines for automated merges and deployments.Interview Process:Initial Screening Interview with Silver.Technical Interview with Silver.Client Screening Interview.Take-Home Challenge.System Design Interview.Behavioral Interview.

About CanalsCanals leverages artificial intelligence to simplify operations for distributors. Our innovative platform automates sales order entry by transforming customer emails into precise quotes, streamlining accounts payable by converting vendor emails into payable records, and enhancing PO acknowledgement processing by identifying discrepancies in vendor confirmations versus purchase orders.Forget about tedious templates or part numbers; our AI models are adept at processing various inputs, including email texts, attachments, PDFs, CSV files, images, Word documents, and even handwritten notes. As our users proclaim, "I wouldn't work anywhere without this!" With data entry tasks automated, your team can dedicate their efforts to what truly matters: expanding your business.Show your clients, suppliers, and workforce that you are poised for the future with operations that are faster and more accurate than ever.About the RoleWe are seeking a proactive and versatile Senior Backend Engineer to join our expanding team. The majority of our work is backend-focused, and we value generalists who can adapt and learn quickly. While we primarily use Node.js, we welcome engineers who are eager to embrace new technologies.The interview process will include live coding challenges centered around data structures and algorithms.Technical StackTypescript, Node.js, Python (for machine learning tasks)Postgres, Elastic SearchDockerAWSSveltekitTailwind CSSWe prioritize two essential outcomes:Achieve a high volume of work.Ensure quality in execution.To thrive in this environment, you should possess a strong sense of urgency, as we operate with an uncommon level of pace and efficiency.

Intuition Machines is at the forefront of leveraging AI/ML technology to develop cutting-edge enterprise security solutions, including our renowned hCaptcha security suite. With a global team dedicated to making a difference, we are committed to building systems that support hundreds of millions of users worldwide. Our operational philosophy emphasizes minimal overhead, agile teams, and swift iterations.As a Senior Backend Engineer, your primary focus will be on enhancing our core production code, which may involve working with distributed systems and optimizing machine learning pathways. You'll play a crucial role in refining our evolving systems, improving threat models, and advancing our CI/CD practices.Key Responsibilities:Design, develop, and sustain secure, scalable backend services and algorithms.Implement DevSecOps methodologies, including security protocols, monitoring, metrics, and automated alerts.Create clean, well-documented, production-ready code with comprehensive test coverage.Enhance engineering practices through code reviews, automation testing, and on-call support.Transform complex requirements into actionable sprint tasks while providing mentorship to team members.Qualifications:A minimum of 5 years of relevant experience in a similar engineering role.Proficiency in backend development using Python and at least one of the following: Golang, Rust, or C++.Experience with Kubernetes, metrics-driven deployments, containerization, and microservices architecture.Familiarity with monitoring and tracing solutions.Expertise in key-value stores and SQL databases, with a focus on performance optimization.Experience with high-traffic, low-latency distributed systems, including queue-first architecture and sharding.Strong architectural skills, encompassing requirement gathering, problem-solving, and recommendations.Preferred Qualifications:Desire to learn and work with various technologies such as Python, Golang, Redis, PostgreSQL, Kafka, RabbitMQ, Clickhouse, Kubernetes, Helm, AWS, Azure, and JavaScript.Understanding of security frameworks, attack vectors, botnets, OLAP at scale, and online/active learning systems.Interest or experience in AI/ML and blockchain technologies.What We Offer:A fully remote position with flexible working hours.An inspiring global team of professionals.Modern development and deployment workflows: ship early, ship often.High impact: significant user base, satisfied customers, rapid growth, and cutting-edge R&D.A flat organizational structure allowing direct interaction with customer teams.We are dedicated to promoting equality of opportunity and fostering an inclusive environment for all team members.Join us in revolutionizing cybersecurity, user privacy, and machine learning!

Position: Senior Backend Engineer (Node.js + AI Workflows)Location: Remote (Candidates must reside in Buenos Aires, Argentina)About Distro:• Distro is a forward-thinking fintech organization dedicated to pioneering AI-driven software solutions.• Our team culture fosters the use of AI to automate mundane tasks, empowering our engineers to concentrate on vital architecture and logic.Role Overview:• Spearhead and mentor AI agents in the development of our flagship products, dedicating approximately 75% of your time to this initiative.• Execute detailed backend engineering tasks and refine secure payment systems, allocating around 25% of your time to this critical function.• Serve as the orchestrator of an AI-enhanced development process, focusing on strategic initiatives rather than routine coding tasks.