Senior Backend Engineer - Contract Opportunity

Join our dynamic team at roofr as a Senior Backend Engineer on a contract basis. In this role, you will utilize your expertise to develop and maintain scalable backend systems, ensuring high performance and responsiveness to requests from the front-end. You will collaborate with cross-functional teams to define, design, and ship new features while adhering t…

At Roofr, we are passionate about enhancing the customer experience. Through continuous feedback collection, we prioritize and launch products that truly meet our users’ needs. This commitment is what makes Roofr’s CRM stand out. We began by developing essential sales tools such as aerial roof measurements and digital sales proposals. Responding to our customers' requests for a straightforward, cost-effective method to manage and expand their businesses, we created a comprehensive CRM that integrates these solutions, along with payment processing, material ordering, and more, into one powerful platform. With a clear and ambitious roadmap ahead, we are eager to continue leading the market with innovative products.Our vibrant culture, robust financial health, and top-tier company metrics make this an exciting time to join a successful startup that still offers significant growth opportunities, equity, and the chance to make a meaningful impact.This position is for an existing vacancy.As a Senior Frontend Engineer at Roofr, you will play a pivotal role in crafting a powerful user experience that distinguishes us from competing roofing platforms. In this dynamic, high-growth environment, your contributions will significantly influence our technical direction and implementation.

About madecardAt madecard, our mission is to empower homeowners by alleviating the burdens of time, cost, and stress. Our flagship product, the Made Card, is uniquely tailored for homeowners, offering unparalleled rewards on mortgage payments, home improvements, utilities, and essential purchases. Every transaction enhances a customized home management platform, allowing users to oversee home systems and appliances, anticipate maintenance needs, and access assistance—from AI-driven advice to in-person services—precisely when they require it most. By integrating financial tools, data, and trusted specialists, we enable individuals to reclaim control, maximize savings, and savor their homes.We collaborate with premier national entities in the residential homeownership sector, including mortgage lenders and home service providers, embedding madecard into pivotal homeowner experiences. These partnerships facilitate our outreach to millions of households across Brazil, delivering substantial advantages to homeowners.Supported by leading investors such as Village Global, Jump Capital, Recharge Capital, and Soma Capital, our leadership team possesses extensive expertise in fintech, mortgages, and credit cards, hailing from renowned organizations like Ramp, Bain Capital, JP Morgan Chase, American Express, and Morgan Stanley. We are crafting a financial and engagement platform for the next generation of homeowners—one that places the homeowner at its core and transforms the concept of feeling at home.Role OverviewWe seek a Senior Backend Engineer to design, construct, and optimize the backend systems that drive the Made Card and homeowner platform. This role encompasses the entire backend development lifecycle—from requirements gathering and architectural design to implementation, testing, and ongoing maintenance. Ideal candidates will excel in building distributed systems, mentoring peers, and ensuring reliability at scale within a dynamic startup environment.Key ResponsibilitiesSystem Design & Development: Craft and implement scalable backend endpoints and distributed systems utilizing Python.Database Modeling: Develop and enhance data models across Postgres, DynamoDB, and Redis.Architecture & APIs: Define and deliver APIs and backend services that support mobile (Flutter) and web (React/Next.js) applications.Infrastructure: Collaborate with Kubernetes, Docker, and AWS to ensure dependable deployment, monitoring, and scaling.Feature Delivery: Take ownership of the feature delivery process, ensuring high-quality outputs that meet user needs and business objectives.

Join Our Innovative Team at Swile! At Swile, we are on a mission to enhance professional lives by creating exceptional products that streamline daily operations and elevate employee satisfaction. We proudly serve over 5.5 million users across 85,000 companies in France and Brazil, providing cutting-edge solutions in Fintech, Travel, HR, and Employee Benefits.About the Opportunity Are you driven by a passion for continuous improvement? This role is tailored for you.As a Senior Backend Software Engineer, you will be pivotal in optimizing our applications by integrating industry best practices—whether refining a single line of code or redesigning entire architectures. We value autonomy paired with effective communication.Your role at Swile means making a significant impact on our clients and users by leveraging data-driven insights to ensure efficiency, stability, and performance in our applications. You will convert product visions into software solutions that tackle complex challenges, delivering a seamless, reliable experience for all users.Our backend team develops essential applications including REST APIs, dashboards, and internal tools that empower our clients and users to effortlessly access their benefits at any time.Key Responsibilities Software EngineeringProduce high-quality, well-documented, and maintainable code that is efficient and thoroughly tested.Enhance observability and monitoring practices for our applications.Mentor and elevate the technical skills of fellow team members, fostering coding standards and improving overall code quality.Adapt and learn new programming languages as necessary.Proactively enhance application security, performance, and stability.Participate in and conduct thorough code reviews.Design and ArchitectureOffer technical direction by contributing to clear, objective, and straightforward solution discussions.Collaborate with and mentor team members to propose architectural solutions that satisfy both functional and non-functional requirements.Execution and DeliveryEstimate and plan deliverable timelines in collaboration with stakeholders and the product team.Utilize existing Swile solutions to align with global platforms.Navigate loosely defined or ambiguous requirements to collaboratively shape improved solutions with product and team members.Build incremental solutions with the product team to promote continuous enhancement and delivery.Focus on delivering thoroughly tested and automated features, including E2E tests, to maintain application stability.Monitor and address production incidents effectively.LeadershipFoster a culture of collaboration and innovation within the engineering team.

Join iFood, the largest and fastest-growing FoodTech company in Latin America, and help transform how people experience food delivery! As a Senior Backend Software Engineer, you'll play a crucial role in creating and maintaining microservices that underpin iFood's core operations. Your expertise will help us optimize backend performance, ensuring high availability, scalability, and fault tolerance. You will be instrumental in enhancing the lives of millions of users daily through innovative technology.Your Daily MenuDesign, code, test, and resolve production issues for cloud-based services (primarily on AWS).Engage in product evolution prioritization, leveraging data to enhance business value.Address and overcome challenges related to scalability, maintainability, and reliability.

Ebury empowers ambitious businesses to achieve global growth, and we extend this philosophy to our team members. We champion innovation, collaboration, and problem-solving, cultivating an inclusive environment where each individual feels valued, supported, and equipped to thrive.If you are a collaborative professional eager to revolutionize global business operations, we invite you to connect with us. Let’s explore how Ebury can elevate your career and enable you to shape the future.Senior Backend EngineerSão Paulo Office - Hybrid: 4 days in the office, 1 day working from homeWe are in search of a Senior Backend Developer who aligns with our technological stack. Don’t worry if you don’t meet every requirement; we appreciate diverse expertise, and you will certainly gain valuable insights from our team.

Join our dynamic team at iFood Carreiras as a Senior Backend Software Engineer. In this pivotal role, you will be responsible for designing, developing, and maintaining backend systems that power our innovative food delivery platform. Your expertise will help us enhance our services and deliver exceptional experiences to our users.

Role overview Hopper is seeking a Senior Backend Engineer with a focus on API development. This position is fully remote and available to candidates residing in Brazil. What you will do Design and develop backend services that power Hopper’s applications Implement and refine APIs to ensure reliable and scalable performance Collaborate with fellow engineers to enhance user experiences Share ideas and technical solutions that support Hopper’s growth Team environment Work within a collaborative group where engineering choices shape the company’s direction and contribute to product innovation. Location This is a 100% remote role for candidates based in Brazil.

Hello, we are Platform Science, a forward-thinking technology company based in the United States, dedicated to revolutionizing transportation. Our mission is to create tailored solutions for various sectors, enhancing the way fleets manage data. Since our inception in 2015, Platform Science has empowered fleets across the United States with the tools needed to take control of their technology. As part of our ongoing mission to transform transportation, we facilitate the development, deployment, and management of mobile devices and applications for commercial vehicles on a single platform. We are on the lookout for a Senior Software Engineer to join our compliance division. You will be part of a diverse team of developers focused on delivering software solutions that improve safety, efficiency, and control for fleet managers and drivers. In your role at Platform Science, you will contribute to an innovative environment that fosters collaboration and growth. Join a multidisciplinary squad (Dev, QA, PO, UX, SM) that works autonomously on international projects, with daily interactions with global teams. What we expect from you: As a Software Engineer, you will focus on researching and developing complex systems. Your mission is to create innovative solutions in a multifaceted environment, continuously striving to enhance the efficiency and quality of Platform Science products. Join us in building the technology that will define the future of fleet mobility solutions. Your responsibilities: Develop solutions for a global market

At RevenueCat, we simplify the complexities of developing and scaling in-app subscription models. Emerging from Y Combinator's S18 batch, we have established ourselves as the premier monetization platform for mobile applications, powering over 40% of newly launched subscription apps and managing more than $10 billion in annual purchase volume. We support a diverse range of clients, from individual developers in Brazil to the mobile team at OpenAI, in understanding and maximizing their revenue streams.Our team is remote-first, comprising over 120 talented individuals across 25 countries, united by values we uphold: Customer Obsession, Always Be Shipping, Own It, and Balance. If you aspire to make an impact on hundreds of millions of end-users while supporting developers in getting paid, you will thrive in our environment.We are on the lookout for a passionate Backend Engineer to join our engineering team. In this role, you will take part in designing, building, deploying, and maintaining features and products that empower developers to expand their businesses. We seek someone with a product-centric mindset who is enthusiastic about delivering high-quality products while ensuring reliability, scalability, and performance.

Join the Engineering Team at TRACTIANAs part of TRACTIAN's Backend Engineering team, you will be instrumental in developing and enhancing the infrastructure that supports our innovative platform, which includes advanced monitoring solutions and our Computerized Maintenance Management System (CMMS). We focus on creating robust systems capable of managing extensive real-time and historical data from industrial assets.Your responsibilities will include designing and maintaining data-driven microservices, resilient APIs, and scalable ETL pipelines. You will engage with various domains, including crafting relational and non-relational database schemas, implementing event-driven architectures, and optimizing system performance for high-throughput workloads.At TRACTIAN, our product-led approach empowers Backend Engineers with significant ownership. You will collaborate closely with firmware, frontend, data, and product teams to roll out impactful features that enhance equipment reliability, minimize downtime, and modernize industrial operations.

Encora is seeking a Senior Java Backend Engineer based in Brazil to help design and optimize backend systems using Java, Spring Boot, and Google Cloud Platform (GCP). This position centers on building and improving APIs, databases, and microservices that support core business functions. Role overview This role involves collaborating with cross-functional teams to boost system performance, reliability, and scalability. The work includes hands-on development and refinement of backend components, with a focus on delivering stable and efficient solutions. Key responsibilities Design, implement, and maintain backend systems using Java and Spring Boot Develop and optimize APIs, databases, and microservices Work closely with other teams to ensure systems meet performance and reliability goals Stay proactive in exploring and adopting new technologies to strengthen the tech stack and security practices Requirements Strong experience with Java and Spring Boot Hands-on background with Google Cloud Platform (GCP) Proven ability to work on APIs, databases, and microservices Comfort working collaboratively with cross-functional teams

At Playlist, we believe that the most enriching experiences happen when individuals disconnect from screens to engage, connect, and explore. We are dedicated to crafting the ultimate platform for intentional living, connecting people with inspiring opportunities in fitness, wellness, and more. With esteemed brands like Mindbody and ClassPass, Playlist empowers both businesses and individuals to effortlessly transform aspirations into actions. Join us in redefining the role of technology to cultivate meaningful, real-world connections.ClassPass provides a diverse array of fitness and wellness experiences globally, enabling individuals to lead active and balanced lives. Our platform is designed to simplify the discovery and enjoyment of activities, whether it's fitness classes, self-care sessions, healthy meals, or new adventures. Join us in creating healthier, more vibrant communities around the world.Your RoleCollaborate closely with Product, Design, and QA teams to bring features to fruition from conception to deployment, always prioritizing the end-user experience.Architect and develop backend services and APIs that are robust, maintainable, and user-centric.Champion engineering excellence through practices such as automated testing, thorough code reviews, and effective system monitoring.Advocate for simplicity and eliminate unnecessary complexity, delivering reliable, high-quality software that enhances user satisfaction.Contribute to architectural decisions and guide how microservices interact within an expanding service-oriented ecosystem.Embrace curiosity—actively seek feedback, learn from diverse viewpoints, and mentor fellow engineers.Be a catalyst for positive change, fostering a culture of collaboration and impact within a team that values autonomy.

Join our dynamic team at iFood Carreiras as a Senior Software Engineer specializing in backend development. In this role, you will design and implement scalable systems, work with advanced technologies, and drive innovative solutions that enhance our platform. We are looking for someone who is passionate about technology and eager to tackle complex challenges. You will collaborate with cross-functional teams to deliver high-quality software solutions that meet user needs.

About RemoteAt Remote, we are tackling one of the most significant challenges faced by modern organizations: ensuring compliant global employment. Our platform empowers businesses of all sizes to hire, compensate, and manage international teams effortlessly. We pride ourselves on our core values and forward-thinking work culture, where our diverse team collaborates across six continents (Antarctica is the last frontier!). All positions at Remote are fully remote.Innovation is a key value for us, and we have integrated Automation and AI capabilities into every role's requirements.We invite every member of the Remote team to contribute their unique talents, experiences, and cultures to help us develop a world-class HR platform. If you are enthusiastic, inquisitive, driven, and ambitious, we encourage you to apply and shape the future of work with us!The PositionAs a Senior Backend Engineer, you will collaborate with engineers across various functions, including Frontend, Backend, SRE, and QA. You will be part of cross-functional teams focused on specific verticals.This opportunity spans multiple teams, and we will align you with the most suitable team based on your preferences and our business requirements during the interview process.Your role will involve developing tools, APIs, and integrations for our suite of products.Our backend is powered by Elixir and Phoenix, with a Postgres database. We utilize React and Next.js for our frontend development, while GitLab serves as our version control system, issue tracker, and CI/CD solution. Hosting is managed on AWS, and we leverage CI for seamless deployments, executing multiple updates daily.

Truelogic specializes in nearshore staff augmentation, supporting organizations across the spectrum from startups to global enterprises. With over two decades of experience and a team of more than 600 technology professionals throughout Latin America, Truelogic partners closely with U.S. clients to deliver digital transformation projects. The company’s client base includes both Fortune 500 firms and rapidly scaling startups, with a focus on practical results. This Senior Backend Engineer role supports a client known for its global network of creative and engineering talent. The client’s technology-driven approach helps businesses respond to shifts in consumer behavior, emerging technologies, and artificial intelligence. Their work spans the entire consumer journey and serves well-known brands such as Amazon, JPMorgan Chase, Microsoft, MSNBC, NFL, Pfizer, and Zappos. Role overview As a Senior Backend Engineer, you will help build digital experiences for a leading mass media and broadcasting company. The position involves designing and maintaining live systems that must remain available and responsive for millions of users, especially during high-traffic global events. Reliability and performance are critical, with systems engineered for sub-second latency and high data throughput. What you will do Design and implement real-time solutions, including scalable event-driven architectures for live-streaming data, interactive fan features, and real-time notifications. Develop type-safe backend services using Node.js and TypeScript, prioritizing performance and maintainability. Utilize Socket.IO to manage millions of persistent live connections, ensuring reliable data flow between servers and clients. Location São Paulo

At SumUp, we empower businesses to receive payments effortlessly, process orders swiftly, sell online instantly, and manage their finances more efficiently. Our innovative tools are designed to enhance business operations and elevate customer experiences! As a pivotal member of the Global Bank Tribe, you will contribute to the development of SumUp's very own digital banking solutions. You will collaborate within a global, autonomous, cross-functional team dedicated to perfecting aspects of our products from conception to execution. Joining the Global Bank Tribe means working alongside approximately 200 professionals from 32 different nationalities in cities such as Cologne, Berlin, São Paulo, Santiago, Sofia, and Vilnius, all of whom are passionate about ownership, purpose-driven work, and fostering business success. In your role as a Senior Backend Engineer within our tribe, you will take charge of evolving and maintaining the Brazilian side of the Transfers and Cards ecosystem, ensuring the operation of a highly available platform that facilitates money transfers across various payment systems. Please note that this position is hybrid, based in Florianópolis, SC - Brazil.

Join Belvo as a Senior Backend Engineer specializing in Open Finance solutions. In this pivotal role, you will design and implement robust backend systems that facilitate seamless financial data integration. Your expertise will help innovate our platform and enhance the user experience for our clients.

Your wellbeing, our mission. Join a company shaping a healthier world. GET TO KNOW US At Gympass, we are transforming workplace wellness. Our innovative platform connects employees globally with top partners in fitness, mindfulness, therapy, nutrition, and sleep—all through one convenient subscription. With our headquarters in NYC and team members across 11 countries, we are dedicated to making every company a wellness-oriented organization. We believe work should be rewarding, inspiring, and balanced. Here, you will join a team that values wellbeing, collaboration, and diverse perspectives, where passion and creativity drive us to create real impact. Your contributions will help shape a healthier, more balanced world for you and millions of people worldwide. Join us in redefining the future of wellbeing! We are looking for a talented Senior Backend Software Engineer to join our Professional Services team based in Brazil. This is a Remote – Brazil position, allowing you to work from anywhere within the country. Please note that this role is exclusively open to candidates residing in Brazil! The Professional Services team is committed to developing customized solutions tailored to our clients' unique needs. We work collaboratively on revenue strategies and innovative methods to enhance our products for our partners. As a Senior Backend Developer & Database Analyst, you will be instrumental in architecting new integration products, concentrating on process automation and delivering tailored reports. You will spearhead an exciting internal migration project that will integrate over 50 connectors into a new programming environment. We seek a highly skilled individual with a strong leadership mindset, capable of suggesting improvements, fostering communication between technical and product development teams, and serving as a reference point for the rest of the team. Join our dynamic team and make a global impact! YOUR IMPACT Act as a technical reference for an international team in building robust APIs and integrations across various systems to ensure successful project implementation. Mentor and guide team members, promoting best practices in backend development and database management. Engage in client-facing activities, participating in meetings alongside your Product Manager to address client needs and expectations.

Join our dynamic team at iFood Carreiras as a Senior Backend Software Engineer. In this role, you will play a crucial part in developing robust backend solutions that enhance the performance of our application. You will collaborate with cross-functional teams to design, implement, and maintain scalable systems that support our growing user base.