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Brazil

  • Design, build, and evolve high-performance Backend for Frontend services using Kotlin, orchestrating data from microservices.
  • Optimize API performance and latency with coroutines, caching, and resilience patterns to ensure secure, scalable integrations.
  • Collaborate with cross-functional teams, conduct code reviews, and mentor developers to strengthen engineering standards.

Kotlin Spring Boot Microservices REST Docker

20 jobs similar to Senior Backend Kotlin Developer

Jobs ranked by similarity.

Brazil

  • Own SMB acquisition funnel services end to end, building high-throughput backend apps in Kotlin and Go.
  • Drive event-driven architecture and asynchronous messaging with Kafka, ensuring resilience.
  • Partner with Product, Marketing, and Sales to optimize conversion funnels and scale architecture.

Wellhub is a workplace wellness platform connecting employees to fitness, mindfulness, therapy, nutrition, and sleep via one subscription. Headquartered in NYC with a global team, it values wellbeing, collaboration, and diverse perspectives.

Brazil

  • Develop and maintain backend services using Kotlin and Java for digital banking products.
  • Collaborate with multidisciplinary teams throughout the full software development lifecycle.
  • Apply best practices like TDD, DDD, Clean Code, and Hexagonal Architecture.

A technology company developing and maintaining backend services for one of Brazil's largest banking institutions. It operates a collaborative, remote-first environment focused on modern technologies, technical excellence, and continuous learning.

$121,000–$200,000/yr
US

  • Design, develop, and deploy scalable backend systems to power the Fanatics App.
  • Build features, participate in code reviews, and help define architecture and best practices.
  • Work closely with product and platform teams to deliver a seamless sports fan experience.

Fanatics is building a leading global digital sports platform, enabling fans to buy, collect, and bet across its commerce, collectibles, and betting divisions. With over 22,000 employees, the company focuses on relentlessly enhancing the fan experience and delighting sports fans worldwide.

Brazil

  • Develop and evolve complex backend solutions in production microservices, transforming business requirements into scalable and sustainable architectures.
  • Collaborate with architects, tech leads, and product teams to design BFFs and integrations, actively participating in code reviews and best practices.
  • Investigate production issues, identify root causes, and propose architectural improvements while acting as a technical reference for junior and mid-level developers.

CI&T helps large companies turn AI potential into real business impact through AI deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience and 8,000 CI&Ters across 25+ countries, the company fosters a collaborative culture where AI is embedded in daily work.

Global

  • Design, develop, and maintain backend services, APIs, and data integration layers that power key product features.
  • Author design documents and drive technical leadership across the domain to ensure scalable, reliable microservices.
  • Mentor junior and mid-level engineers while collaborating cross-functionally with global teams.

Tala is an AI-native credit infrastructure company that connects global capital to the global majority, using proprietary risk intelligence to power credit access at scale. The company has distributed over $9 billion to more than 14 million customers and has been recognized by Fortune, CNBC, and Forbes.

Switzerland

  • Lead impactful engineering projects for scalable SaaS solutions.
  • Design and maintain distributed services, backend systems, and RESTful APIs.
  • Collaborate with product and engineering teams to deliver high-quality software.

The company builds scalable SaaS solutions and distributed services for modern cloud environments. They foster a multicultural, supportive, and flexible remote culture with an emphasis on collaboration and professional growth.

Brazil

  • Design, develop, and evolve backend microservices and APIs that power digital commerce and payment processing.
  • Own production support, monitoring, and incident resolution to ensure service stability and performance.
  • Collaborate with engineering teams and business stakeholders to shape technical priorities and promote code quality with responsible use of generative AI.

This company powers digital commerce, payment processing, and fraud prevention across Latin America. It operates with a remote, collaborative, and fast-paced engineering culture, emphasizing technical ownership and innovation.

Canada

  • Design, develop, and maintain RESTful APIs for seamless customer integration.
  • Proactively manage technical debt and optimize system architecture for stability and performance.
  • Participate in code reviews, knowledge sharing, and drive the full lifecycle of small feature development.

Megaport is the global leader in Network as a Service (NaaS), transforming the way businesses connect to the cloud, data centers, and each other. We're a publicly listed company with over 600 people across Asia-Pacific, Europe, and the Americas, and a culture that's collaborative, supportive, and fun.

LATAM

  • Design, build, and maintain scalable, reliable, and high-performance software systems.
  • Contribute to system architecture and technical design, validating solutions through data and experimentation.
  • Collaborate across teams, participate in code reviews, and support applications to ensure system health and reliability.

We are building shared backend platforms and services operating at significant scale. We collaborate across engineering, data science, product, design, and business teams, using AI-assisted coding tools and maintaining high engineering standards.

Poland

  • Build and maintain backend services and APIs that power core parts of the Justride platform.
  • Contribute to designing scalable, secure, and resilient distributed systems.
  • Collaborate with cross-functional teams to take features from idea to production.

Masabi builds fare collection platforms for public transport via mobile, ticket machines, or bank cards. Its Justride platform is used in over 250 locations globally, with a culture of openness and innovation.

Brazil

  • Design and develop scalable Java applications using Java 11+ and Spring Boot.
  • Apply TDD and clean code practices to ensure quality, performance, and maintainability.
  • Collaborate asynchronously with a team that values knowledge sharing and architectural discussions.

Security & IT builds scalable and reliable digital financial products. The company fosters an engineering culture that prioritizes software quality, automated testing, sound architecture, and continuous improvement.

Global

  • Design and implement backend services for telecom network management solutions, including TMF-compliant APIs and microservices.
  • Work with complex network and OSS data models, integrating PostgreSQL and Oracle databases for audit and optimization use cases.
  • Collaborate with cross-functional teams, ensure code quality through unit tests, CI/CD, and SonarQube.

Tieto is a Nordic technology company providing software and digital services, including network management platforms. It is one of the largest tech companies in the Nordics, with a culture that values diversity, equity, and inclusion.

Brazil

  • Design, develop, and optimize backend services and APIs using C#, .NET Core, and .NET 8.
  • Work with microservices, Docker, Kubernetes, and Google Cloud Platform to ensure scalability and reliability.
  • Drive observability with Dynatrace, maintain automated tests, and collaborate in an Agile remote environment.

The company builds scalable digital solutions and drives digital transformation across multiple industries. It fosters a collaborative and inclusive culture focused on transparency, trust, innovation, and professional development.

Global

  • Design, build, and maintain ledger and treasury services in Kotlin and Spring Boot.
  • Own double-entry accounting, reconciliation, and immutable audit trails for all money movement.
  • Work closely with finance, compliance, and payment operations teams in a remote, async environment.

Caliza is commercial banking infrastructure enabling cross-border businesses to hold USD accounts, collect and pay in 33+ currencies, and convert between fiat and stablecoins via one platform and API. It is a remote startup backed by notable investors, with a team that has built financial infrastructure at Visa, Nubank, and other fintechs, and values high autonomy and async collaboration.

LATAM

  • Execute and own baseline architecture implementations and technical design activities in collaboration with the engineering team.
  • Build, optimize, and maintain scalable full-stack solutions, designing RESTful APIs and messaging systems like NATS.
  • Drive software quality through ATDD/BDD, comprehensive unit testing, and active participation in Agile ceremonies.

MOOVX is a global IT service company based in Uruguay, providing staffing and delivery team services to companies seeking a strategic partner for their products and services. They are a fast-growing, collaborative team recognized as one of the best B2B development companies in Latin America.

Brazil

  • Develop and maintain the Pay & Ship subscription and onboarding flow for high-volume systems.
  • Design and implement scalable backend features in collaboration with engineers, PMs, and designers.
  • Ensure performance, reliability, and continuous improvement across the platform.

The hiring company is a technology organization focused on building and evolving high-impact digital products. With a collaborative, multidisciplinary approach, they emphasize engineering best practices and a flexible, primarily remote culture.

APAC

  • Build and maintain scalable backend payment flows (charges, refunds, disputes, webhooks) using Java, Kotlin, and Python.
  • Design and implement RESTful/GraphQL APIs, microservices, and event-driven systems for high-concurrency, revenue-critical platforms.
  • Refactor legacy codebases, improve test coverage, and participate in Agile ceremonies and CI/CD via GitLab.

Inallmedia.com is a global technology and design firm focused on building impactful digital solutions through remote, distributed teams. They partner with international clients across industries, providing long-term technical expertise, product innovation, and team augmentation.

Global

  • Design, develop, and maintain Spring Boot services powering our SaaS ecommerce platform.
  • Design secure, scalable solutions meeting PCI DSS and other security requirements.
  • Mentor engineers, drive best practices, and take ownership from design to production.

MarketTime is a growing B2B ecommerce SaaS company helping businesses sell smarter and faster. We're a fully distributed engineering team that values ownership, collaboration, continuous improvement, and building software the right way.

Brazil

  • Design, build and evolve scalable, secure backend services using a modern .NET stack and RESTful APIs.
  • Apply Clean Architecture, SOLID and KISS principles to keep code modular, reusable and simple.
  • Build event-driven integrations, work with databases, and contribute to CI/CD, testing and code reviews.

CI&T helps large enterprises transform AI into real business impact with AI deployment, AI-native execution, and tech-integrated business solutions. With 8,000 employees across more than 25 countries, they collaborate to build impactful solutions in a multicultural, fast-moving environment.

$105,777–$138,098/yr
Canada

  • Drive large, complex projects autonomously from design to launch.
  • Tackle complex architecture challenges and lead code reviews across teams.
  • Mentor engineers and partner on company-wide initiatives as a Java expert.

Atlassian builds software products like Jira, Confluence, and Trello to help teams collaborate. With a culture focused on unleashing the potential of every team, Atlassians are empowered to choose where they work and value diversity and inclusion.