Source Job

Global

  • Lead end-to-end development of high-impact fintech platforms, designing, coding, and deploying scalable web applications.
  • Collaborate with cross-regional teams, design robust microservices, and optimize performance for massive international traffic.
  • Monitor and tune backend and database performance to support global financial traffic spikes without service degradation.

Java React JavaScript TypeScript AWS

20 jobs similar to Sr. Fullstack Developer (Javascript/Java)

Jobs ranked by similarity.

Latin America Europe 3w PTO

  • Design, develop, and maintain full-stack features across backend services and frontend applications.
  • Build scalable microservices with Golang and Java, and modern frontends with React and Next.js.
  • Contribute to secure authentication, cloud infrastructure, and architecture decisions in a regulated fintech environment.

The company is a high-growth fintech and cryptocurrency platform that powers secure, scalable financial transactions. It offers a collaborative, high-trust remote working environment that values engineering ownership and technical judgment.

$3,200–$3,700/mo
Latin America

  • Develop end-to-end product features across frontend and backend systems using React, Vue, and modern frameworks.
  • Build and integrate REST and GraphQL APIs, including AI-powered platforms and third-party services.
  • Collaborate with product and engineering stakeholders to prototype, test, and improve application performance and scalability.

They are a product-driven technology company building modern web applications and data-rich systems. The team is fully remote, international, and values innovation, technical quality, and continuous improvement.

Brazil

  • Design, develop, and maintain scalable enterprise applications using Java, Apache Kafka, REST APIs, and microservices in a fully remote environment.
  • Collaborate with distributed engineering teams to implement event-driven architectures, automated testing, and CI/CD processes.
  • Troubleshoot complex technical issues across backend, frontend, and integration layers to improve performance and scalability.

Jobgether is an AI-powered job matching platform that connects candidates with hiring companies. They process applications and share top-fitting candidates with employers, operating as a partner company in the recruitment process.

LATAM

  • Design, build, and maintain scalable frontend and backend services using Java, Python, and React.
  • Bridge software engineering and data engineering practices to support high-performance platform systems.
  • Participate actively in Agile/Scrum sprint lifecycle, driving delivery via Jira backlogs.

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

APAC China

  • Develop and maintain web applications using React, TypeScript, and Java or Python.
  • Build scalable APIs and participate in full implementation cycle from design to rollout.
  • Use AI coding tools as a standard part of workflow and write unit/integration tests.

Remote People builds infrastructure to power borderless teams by handling global payroll, benefits, taxes, and compliance. They are a growing, international remote-first team with a focus on diversity and inclusion.

Latin America

  • Own end-to-end delivery of critical payments initiatives, from framing problems to running production solutions across Brazilian payment rails.
  • Architect and design systems for money movement with idempotency, ledger, and reconciliation, using Java, Spring Boot, PostgreSQL, and event streaming.
  • Mentor engineers, lead design and code reviews, and set technical direction for payments domains with AI-native workflow integration.

Clara is the leading platform in Latin America for companies to execute and manage every payment operation, serving over 50,000 businesses. Backed by top investors and named the region's fastest-growing company by Financial Times in 2025, the company has around 400 employees and fosters a culture of clarity, ownership, and inclusivity.

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.

Global

  • Implement software components according to design specifications, including system integration and unit testing.
  • Collaborate with stakeholders and distributed teams to ensure efficient, predictable project delivery.
  • Support CI/CD processes, troubleshoot issues, and contribute to product roadmaps.

Miratech is a global IT services and consulting company that supports digital transformation for large enterprises. With nearly 1,000 full-time professionals across over 25 countries, the company fosters a culture of 'Relentless Performance' with a 99% project success rate.

India

  • Leading end-to-end feature development for Loopio's platform.
  • Designing reusable frameworks and integrating AI agents and knowledge-graph capabilities.
  • Mentoring engineers and driving technical design and architectural decisions.

Loopio provides a response management platform that helps leading organizations streamline RFP and security questionnaire processes. They are a remote-first, collaborative team operating across Canada, India, and the UK, with an award-winning workplace culture.

APAC

  • Own product development for Binance Square, including live streaming, audio/video, and posts.
  • Turn product requirements into working implementations, reducing handoff friction between frontend and backend.
  • Make mainstream AI coding tools a core part of your daily workflow to improve development efficiency.

Binance is a leading global blockchain ecosystem behind the world's largest cryptocurrency exchange by trading volume and registered users. Trusted by 300+ million people in 100+ countries, they offer a range of digital-asset products and aim to increase freedom of money.

Latin America

  • Design and implement scalable architectures with React.js, TypeScript, and Node.js.
  • Manage databases (PostgreSQL, MongoDB) and cloud infrastructure (AWS, Docker, Kubernetes).
  • Integrate AI-assisted development methodologies and ensure code quality through testing and code reviews.

Coderio designs and delivers scalable digital solutions for global companies. They value autonomy, clear communication, and technical excellence, fostering a remote-first culture with collaborative international teams.

Europe

  • Develop and maintain the Integration Hub, the core product at the heart of our solution.
  • Own architecture, task prioritization, and execution across the software development lifecycle.
  • Review, test, and debug code, while improving documentation and security.

Ecosio is a fast-growing provider of B2B integration, specializing in EDI, Web EDI and e-invoicing. It is part of Vertex Inc., a Nasdaq-listed global tax solutions company, and fosters a remote-first, inclusive culture.

$124,749–$196,225/yr
US

  • Build REST APIs that power core customer experiences
  • Ship features daily in a highly scalable, cross-geo distributed environment
  • Work end-to-end on features, from shaping vague problem statements to measuring impact, with backend-heavy React and Rails work

Atlassian provides team collaboration software including Jira, Confluence, and Trello used by organizations worldwide. As a large global company, Atlassian emphasizes an inclusive culture and flexible distributed work options.

India

  • Lead architectural decisions and guide the design of reliable, scalable, and cost-effective software systems.
  • Evaluate emerging technologies and develop integration plans aligned with business objectives and strategic roadmaps.
  • Mentor engineers, review software designs, and drive cross-functional technical initiatives for cloud-based solutions.

This partner company focuses on delivering innovative digital and cloud-based solutions for complex business challenges. It fosters a collaborative, inclusive, and globally connected culture, encouraging innovation, professional growth, and flexible working arrangements.

Brazil

  • Lead and execute full-stack development of complex solutions using Java and Spring on the back end with React or Vue on the front end.
  • Design software architecture, integrate REST APIs, and ensure scalability, security, and performance.
  • Mentor team members, conduct code reviews, and promote continuous improvement in development processes.

Our partner is a company seeking a senior software developer to lead design and development of robust, scalable applications. They foster a dynamic, collaborative technology environment with a focus on engineering best practices and AI-assisted development.

Global 4w PTO

  • Build and deliver end-to-end features using React, TypeScript, and Node.js for an AI-powered B2B compliance platform.
  • Design and implement backend services, APIs, business logic, and third-party integrations, including AI-powered features.
  • Take ownership of features from design to production, contribute to architecture, and use AI-assisted development tools in daily workflow.

5Blue Software is an Israeli-Ukrainian software development company specializing in custom software development, staff augmentation, dedicated engineering teams, AI solutions, and CTO-as-a-Service. It helps startups and mid-sized companies scale faster with vetted engineering talent across Europe.

Global

  • Design and develop reusable AI Fabric platform services and APIs using Go, Python, Java, and cloud-native technologies.
  • Build scalable cloud-native and event-driven solutions with Kafka and AWS/Azure/GCP services.
  • Develop modern frontend experiences with React, Angular, or Vue for self-service onboarding and operational management.

Miratech is a global IT services and consulting company helping visionaries change the world. They have over 1000 full-time professionals and a culture of Relentless Performance with 99% project success rate.

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.

APAC

  • Own end-to-end development of product features spanning both frontend and backend.
  • Integrate AI coding tools like Cursor, Copilot, and Claude Code into daily workflows to maximize efficiency.
  • Act as a full stack 'seed' within your team, championing full stack practices and mentoring peers.

Binance is a leading global blockchain ecosystem behind the world's largest cryptocurrency exchange by trading volume and registered users. Trusted by over 300 million people in 100+ countries, it offers a remote-first, results-driven culture with a flat structure and global collaboration.

Brazil

  • Lead front-end development using React 18 and modern JavaScript to build scalable, high-performance web apps.
  • Collaborate with international product, design, and backend teams to turn business requirements into intuitive experiences.
  • Drive architecture, performance, and code quality, and mentor developers to elevate team capabilities.

The company is a technology organization hiring a Senior React Developer to build modern web applications for a global client. It offers a remote-first environment focused on collaboration, continuous learning, and engineering excellence.