Senior Java Backend Engineer

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 tea…

Join Us in Shaping the Future of Trust in the Age of AIAt Oscilar, we are at the forefront of developing the most sophisticated AI Risk Decisioning™ Platform. Financial institutions, fintechs, and other digital enterprises count on us to effectively manage their fraud, credit, and compliance risks utilizing AI technology. If you are driven by the challenge of tackling intricate problems and enhancing internet safety for all, we welcome you to apply.Why Choose Oscilar?Mission-Driven Teams: Collaborate with seasoned experts from notable firms such as Meta, Uber, Citi, and Confluent, all committed to the mission of enhancing digital safety.Empowerment and Impact: At Oscilar, we embrace a culture of extreme ownership. You will have the autonomy to take charge, act swiftly, and make impactful decisions that propel our mission forward.Innovate at the Cutting Edge: Your contributions will influence how contemporary finance identifies fraud and manages risk.Position OverviewAs a Senior Backend Engineer at Oscilar, you will be instrumental in designing, constructing, and maintaining the foundational infrastructure of our SaaS platform. You will work closely with cross-functional teams to deliver scalable, low-latency, and highly reliable services that cater to our global enterprise clientele.Key ResponsibilitiesDevelop and design scalable, high-performance, and low-latency backend services utilizing Java and AWS technologies.Work collaboratively with product management, frontend, and QA teams to outline technical requirements and ensure seamless integration with other platform components.Enhance and optimize existing services for maximum performance, reliability, and maintainability.Identify and remedy system bottlenecks to ensure optimal resource usage and system stability.Implement industry best practices for code quality, testing, and deployment, including CI/CD pipelines.Monitor backend services' health and performance proactively, taking necessary measures to address potential issues.Provide mentorship and technical guidance to junior engineers.QualificationsMinimum of 5 years of experience in backend development, preferably with Java and AWS.Strong understanding of microservices architecture and RESTful API design.Experience with database technologies such as SQL and NoSQL.Excellent problem-solving skills and a proactive attitude towards challenges.Ability to work effectively in a collaborative environment.Strong communication skills, both written and verbal.

Role overview ciandt is hiring a Senior Java Backend Developer based in Brazil. This role focuses on building backend systems that support efficiency and strong performance for software projects. What you will do Develop backend solutions using Java Contribute technical expertise to software projects Support the creation of reliable and efficient systems

Telnyx develops technology to enable global connectivity. The company operates a private, multi-cloud IP network and delivers edge connectivity through APIs. With a focus on automating manual processes and addressing real-world challenges, Telnyx continues to invest in technology and team growth, backed by strong financial performance. Role overview The Senior Java Software Engineer joins the backend team managing a distributed, highly available data pipeline. This platform powers essential Telnyx products such as Voice, Messaging, and Wireless. The system runs on the Telnyx private backbone and is designed to be cloud-agnostic, processing thousands of messages per second. The engineering team oversees more than 30 microservices, all containerized with Docker and deployed across multiple regions in the U.S. and Europe. Deep expertise in Java Core is especially valued for this position. Locations Sao Paulo, Brazil Austin, Texas Argentina Dublin, Ireland What you will do Design, build, and maintain backend systems using Java Develop and support distributed, cloud-agnostic data pipelines Contribute to a microservices architecture with Docker Help scale systems that handle large volumes of messages Requirements Senior-level experience with Java Core Strong understanding of distributed systems Background in microservices and Docker Comfort working with a geographically distributed team Learn more Telnyx Private Network Edge Connectivity

Location: BrazilOnsite requirement: Candidates living in the Campinas Metropolitan Region must work in the Campinas office, following CI&T's attendance policy. About CI&T CI&T builds scalable technology solutions by combining human expertise with artificial intelligence. With a team of over 8,000 professionals worldwide, the company has partnered with more than 1,000 clients over 30 years of innovation. AI is integrated into daily work at CI&T. Role Overview CI&T is looking for a Senior Java Backend Developer to join the development team. The focus is on raising technical standards and driving ongoing innovation.

At CI&T, we are specialists in technological transformation, combining human expertise with AI to create scalable tech solutions. With over 8,000 CI&Ters globally, we have formed partnerships with more than 1,000 clients throughout our 30 years of history. Artificial Intelligence is our reality.Important: If you reside in the Campinas Metropolitan Area, your presence in our offices will be mandatory, in accordance with the current attendance policy.As a Senior Java Backend Developer, you will be tasked with elevating technical excellence for one of our key global clients, working on critical B2B systems with worldwide reach. You will serve as a technical reference, transforming the development culture within the team by promoting innovation and continuous growth.Key Responsibilities:- Develop highly complex systems in Java, applying advanced architectural patterns and best practices- Introduce technical innovations and new market standards that enhance project quality and efficiency- Lead the implementation of robust, scalable, and resilient microservices- Conduct technical code and architecture reviews, ensuring quality and consistency- Act as a technical mentor for the team, sharing knowledge and fostering new talent- Solve complex problems through deep root cause analysis in critical environments- Develop innovative solutions utilizing AI to optimize workflows and improve efficiency- Exceed client expectations while maintaining commitment to timelines and quality- Lead by example, fostering a culture of collaboration and continuous growthTechnical Requirements:- Proven experience in Java development- Advanced knowledge of Spring Framework and Spring Boot- Experience in microservices architecture and RESTful APIs- Deep understanding of Kubernetes and container orchestration- Experience with SQL and NoSQL databases (MongoDB, PostgreSQL)- Expertise in messaging systems (RabbitMQ)- Excellence in test automation (unit, integration, performance)- Knowledge of event-driven architectures and asynchronous processing- Familiarity with observability and monitoring tools- Experience leading technical teams and complex projects- Mastery of design patterns and SOLID principlesIntermediate to advanced English required.

Join Experian as a Mid-Level Backend Developer specializing in Java. In this role, you will be responsible for designing, developing, and maintaining robust backend systems that drive our innovative products. Collaborate with cross-functional teams to deliver high-quality software solutions that meet the needs of our clients.

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.

Role overview Encora10 is looking for a Senior Backend Developer with advanced skills in Java and Python. This remote position is open to candidates based in Brazil. The role involves collaborating with development teams across Europe, Canada, and the United States to build and maintain scalable backend services for both cloud-native and on-premise environments. A strong background in Kubernetes and microservices orchestration is required. What you will do Design, develop, and maintain backend systems using Java and Python. Build and manage RESTful APIs and microservices architectures. Containerize applications with Docker and manage deployments using Kubernetes manifests and Helm charts. Deploy, operate, and scale applications on Kubernetes clusters in both cloud (AWS, Azure) and on-premise settings. Implement and oversee CI/CD pipelines for automated build, test, and deployment processes. Work with SQL and NoSQL databases to ensure data integrity and optimal performance. Monitor application and cluster health using tools like Prometheus, Grafana, and the ELK stack, troubleshooting issues as they arise. Apply security best practices to applications and infrastructure within Kubernetes environments. Optimize backend systems for speed, scalability, and resilience. Keep up to date with new cloud-native technologies and Kubernetes advancements. Support infrastructure-as-code efforts with tools such as Terraform or Ansible. Participate in code reviews and help maintain high coding standards. Requirements Bachelor's or Master's degree in Computer Science or a related engineering field. Demonstrated experience in backend development roles delivering software solutions. Expertise in Java and Python programming. Hands-on experience with Kubernetes and container orchestration. Familiarity with cloud platforms like AWS and Azure. Experience working with CI/CD tools and practices. Knowledge of SQL and NoSQL database design and management. Strong problem-solving abilities and attention to detail. Excellent communication skills and a collaborative approach to teamwork. Position details Location: Brazil Job Mode: Full-time Work Mode: Remote (work from home)

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 to best practices in software development.

inter is looking for a Backend Java Specialist II to join the Core Banking team in Belo Horizonte, MG. This role focuses on building and refining backend systems that support the company’s financial services. Role overview The Backend Java Specialist II will work on backend applications that handle core banking operations. The position involves both development and ongoing maintenance, with a strong emphasis on reliability and efficiency. What you will do Develop and maintain backend applications using Java for core banking functions Improve the performance, scalability, and security of banking systems Support the continuous enhancement of the financial services platform Location This position is based in Belo Horizonte, MG.

cpqd is a Brazilian technology organization specializing in information and communication technology for a range of sectors, including telecommunications, agribusiness, finance, utilities, manufacturing, urban development, retail, and defense and security services. The company focuses on developing local technology and delivering solutions tailored to the needs of these industries. The team values sustainable results and aims to support the growth of both individuals and society. cpqd’s culture is shaped by a set of core principles that influence daily work and collaboration. Role overview The Backend Developer II - Java will join the team in Campinas, São Paulo, Brasil. This role centers on building backend solutions using Java, contributing to projects that align with the company’s values and goals. Core values Collaboration Orientation towards the client Confidence Respect Innovation Adaptability Result The company encourages a work environment built on these principles, shaping both team interactions and the solutions delivered to clients.

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.

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

CI&T is a leader in technological transformation, merging human expertise with AI to deliver scalable tech solutions. With a global team of over 8,000 professionals, we have partnered with more than 1,000 clients over our 30-year journey. Artificial Intelligence is at the core of our operations.Important: If you reside in the Metropolitan Region of Campinas, attendance at our offices in the city is mandatory, according to our current attendance policy.Hello, this is Wal from CI&T!I am part of the Talent Attraction team, seeking talented professionals located in Brazil for the position of Mid Level/Senior Backend Developer - Java/AWS, who will contribute to a project in the financial sector.We are looking for backend developers with experience in Java and cloud architecture to build and enhance distributed, scalable, and resilient systems. You will work in a microservices-based environment, heavily utilizing AWS, messaging systems, and modern engineering practices.Your ResponsibilitiesDevelop and enhance backend services in JavaDesign and implement scalable APIs and microservicesWork with messaging and distributed systems

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.

bv seeks a Senior Software Engineer in São Paulo with deep experience in Java and Artificial Intelligence. This role centers on building software that uses AI to enhance products and services. Main responsibilities Design and develop software solutions that apply AI technologies to real business challenges Collaborate with teams from different disciplines to create scalable, high-performance applications Build responsive systems that address both business requirements and user needs Teamwork and collaboration Frequent interaction with cross-functional groups is a key part of this position. The focus is on delivering solutions that help bv reach its objectives.