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Global

  • Lead end-to-end ownership of complex full-stack features from concept through deployment.
  • Partner cross-functionally with Product, UX, and global engineering teams.
  • Design resilient microservices with an emphasis on data integrity and high availability.

Node.js React GraphQL Microservices PostgreSQL

20 jobs similar to Senior Full Stack Software Engineer - Payments

Jobs ranked by similarity.

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.

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.

US

  • Develop and deliver full-stack AI-powered applications on top of Unframe's platform.
  • Work closely with customers and internal teams to tailor solutions and extend the UI/UX layer.
  • Collaborate with platform and research teams to integrate AI capabilities into production use.

Unframe is an AI-first startup helping large enterprises bring LLM-powered applications to life in days, combining the speed of a product company with the flexibility of a consultancy. With over $100M in TCV and a new $50M Series B, Unframe is scaling globally alongside Fortune 500 customers, backed by Bessemer, Craft, and TLV.

US Unlimited PTO

  • Own meaningful parts of the Osano platform end to end, from shaping problems with Product to running solutions in production.
  • Use AI coding agents and automations to explore code faster, ship more, and eliminate repetitive work while ensuring every line is verified.
  • Build with privacy and security by design, mentor other engineers, and take part in on-call rotation and incident response.

Osano is a data privacy platform that helps organizations comply with GDPR, CCPA, and global privacy regulations. It is a fast-scaling B-Corporation with top-tier investors, recognized as a Great Place to Work with 97% employee satisfaction.

$115,000–$140,000/yr
US

  • Develop full-stack features across React, Node.js, Python, and databases, owning assigned features from planning through deployment.
  • Direct AI coding agents for implementation, review agent-generated code for correctness and security, and use AI for research and prototyping.
  • Collaborate with engineers, product owners, and end users to deliver solutions, proactively identify improvements, and maintain CI/CD pipelines on AWS.

Expression is a government contractor providing data fusion, analytics, AI/ML, software engineering, IT, and spectrum management solutions to the U.S. Department of Defense and national security community. Founded in 1997 and headquartered in Washington DC, the company was ranked #1 on the Washington Technology 2018 Fast 50 and fosters a culture of agile delivery, continuous growth, and collaboration.

US

  • Develop and deliver full-stack AI-powered applications on top of Unframe's platform.
  • Work closely with customers and internal teams to tailor solutions to enterprise needs.
  • Write clean, tested, and maintainable code with a focus on production readiness.

Unframe is an AI-first startup helping large enterprises launch LLM-powered applications rapidly. With $50M Series B and over $100M TCV, it scales globally with Fortune 500 customers, backed by Bessemer, Craft, and TLV.

$90–$105/hr
Global 3w PTO

  • Own features from architecture and database design through development, testing, and deployment.
  • Work across Vue.js, Nuxt, Node.js, TypeScript, PostgreSQL, Prisma, and AWS with a strong backend focus.
  • Use AI coding agents to accelerate development while maintaining code quality and delivery.

Our client is a fast-growing coaching and personal development company founded in 2016, helping entrepreneurs and individuals achieve their full potential. The company is one of the fastest-growing brands in the industry, ranked #171 on the Inc. 500 list, and hosts top-rated live events and a popular podcast.

$55,250–$74,750/yr
Australia 4w PTO 16w maternity 6w paternity

  • Own features end-to-end, from technical approach and build through release and production performance.
  • Work with AI coding tools daily and develop agentic engineering habits in a high-tempo team.
  • Build across frontend, backend, and mobile using TypeScript, React, Node, Angular, MongoDB, and AWS.

Sitemate builds software and AI agents for the built world, helping construction, infrastructure, and industrial companies work smarter. Backed by Blackbird, it has 200 people across 18+ countries, with a culture of transparency, high velocity, and innovation.

India

  • Design and build backend-heavy full stack features that turn HighLevel's core platform into purpose-built solutions for specific industries.
  • Own technical initiatives end-to-end, from API design and data modeling to testing, deployment, and maintenance using Node.js/NestJS and GCP services.
  • Collaborate with domain experts, mentor engineers, and leverage AI tools to build scalable, configurable industry solutions.

HighLevel is an AI-powered business operating system that helps agencies, entrepreneurs, and SMBs build, automate, and scale their operations. With over 2,000 team members across 10+ countries, HighLevel is a global remote-first organization that values initiative, clarity, and execution.

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.

US Unlimited PTO

  • Build and evolve React/Next.js front-end applications serving millions of monthly users.
  • Improve Core Web Vitals, accessibility, and technical SEO to drive discoverability and engagement.
  • Collaborate with product, SEO, and content teams to launch and iterate on high-impact shopping experiences.

NerdWallet is a financial technology company on a mission to bring clarity to all of life's financial decisions. It fosters an inclusive, flexible, and candid culture where employees are empowered to grow and take smart risks.

Germany 6w PTO

  • Own the experience and technology by building production-ready applications with React, Next.js, TypeScript and Node.js.
  • Create new ways for people to interact with our products through AI-powered interfaces, conversational UIs and agent workflows.
  • Collaborate with Product, UX/UI and Engineering to build scalable, reliable and maintainable software.

smartclip Europe GmbH is a technology company building production-grade software products at the intersection of AI, engineering, UX and product. It operates with a remote-first, high-agency culture focused on ownership, experimentation and continuous learning.

Europe

  • Build and ship end-to-end product features across frontend, backend, and AI pipelines independently.
  • Advance AI capabilities through prompt engineering, evaluation, and multi-provider setups in production.
  • Operate live systems and shape technical architecture, engineering standards, and roadmap as an early hire.

The company builds digital infrastructure for grant funding, aggregating 18,000+ funding programmes with AI-supported analysis and expert review. As one of the first engineering hires, you'll shape the culture of ownership, iteration, and customer-first values.

Global

  • Design, develop, and deploy full stack applications using modern JavaScript frameworks (React, Node.js).
  • Build and maintain robust RESTful APIs, responsive front-end UIs, and automated tests with Jest or Playwright.
  • Collaborate with cross-functional teams to architect secure, performant systems and modernize legacy applications.

Charles River is an early-stage contract research organization (CRO) supporting pharmaceutical, biotech, and government partners with discovery and safety assessment services that accelerate new therapies. With over 20,000 employees across 110 facilities worldwide, we empower innovative thinkers dedicated to continuous learning and improving people's lives.

Latin America

  • Build responsive frontend interfaces with React and maintain backend services using Node.js.
  • Work across APIs, databases, GraphQL, testing, and production environments to ship full-stack features.
  • Collaborate with engineers, QA, and architects while using AI-assisted tools and CI/CD practices.

Jobgether is an AI-powered job matching platform that connects candidates with hiring companies. It uses automated review to create shortlists and supports a multicultural, remote-first hiring experience.

Colombia

  • Develop and scale high-performance, cloud-native web applications across frontend, backend, and infrastructure.
  • Transform prototypes and automation tools into production-ready features while optimizing backend worker queues and cloud infrastructure.
  • Leverage AI-assisted development tools to improve code quality, conduct reviews, and build dashboards for automation pipelines.

Coforge is a global IT services and consulting company that builds cloud-native applications and automation solutions. The company promotes an inclusive, collaborative culture and supports remote work and continuous learning.

North America Unlimited PTO

  • Take deep ownership of systems and product areas, becoming the go-to technical expert for what you own.
  • Architect, build, and maintain highly available, scalable REST APIs and backend services across distributed systems.
  • Build agentically with AI coding tools, staying at the forefront of emerging AI tooling and practices.

Postscript is an AI messaging platform for Shopify brands, helping e-commerce marketers drive revenue through SMS marketing and AI features. Backed by Greylock and Y Combinator, the company has been fully remote since 2018 and serves 20,000+ Shopify brands with a culture of ownership and AI-first development.

Global

  • Ship product features end to end from Next.js frontend to Django backend.
  • Own the product experience with polished UI/UX and high-quality details.
  • Work 100% remotely with a small, friendly team on a growing AI platform.

An AI platform that turns images and text into ready-to-use 3D models for game developers, 3D printing enthusiasts, and creators. Over 2 million registered users, part of the saas.group network with a small, friendly, high-trust team.

India

  • Design, develop, and maintain scalable web applications using Python and ReactJS.
  • Build and optimize APIs, databases, and AWS infrastructure for enterprise workloads.
  • Lead feature delivery end-to-end and mentor engineers in a remote, product-led environment.

The company builds innovative SaaS products that power digital ordering experiences for leading restaurant brands worldwide. It operates as a globally distributed, product-led engineering organization that values technical leadership, continuous improvement, and innovation.

$140,000–$220,000/yr
North America LATAM Europe

  • Ship product end to end, from backend services and APIs to dashboard and developer-facing UIs.
  • Build the tools developers and agents use to reach Nango: APIs, SDKs, CLI, MCP and the web app.
  • Work directly with customers to understand their integration and agent use cases, then turn what you learn into a product.

Nango is a developer infrastructure company providing API access for agents and apps, enabling AI applications to connect to the real world through integrations. It is YC-backed with multi-million ARR, a team of 14, and over 700 paying customers including Replit and Ramp.