Source Job

France

  • Build innovative, data-intensive applications that help financial institutions detect and investigate fraud.
  • Take ownership of end-to-end feature development using TypeScript, Node.js, React, and Go.
  • Collaborate with product, design, data, and business teams in a remote-first, international environment.

TypeScript Node.js React Go Data Modeling

19 jobs similar to Fullstack Engineer, Investigator Tools

Jobs ranked by similarity.

UK Unlimited PTO

  • Own features end-to-end from problem space to technical modeling and UX execution.
  • Build complex backend systems and intuitive frontend interfaces to fight fraud.
  • Collaborate with Design, Data, Product, and Account Management teams.

Sardine is the leading agentic risk platform for fighting financial crime, helping organizations stop fraud and automate AML operations. Remote-first and values performance over hours, hiring self-motivated individuals with extreme ownership.

$145,500–$235,400/yr
US

  • Build and ship end-to-end product capabilities across frontend and backend systems.
  • Develop user experiences using TypeScript and React, along with services and APIs using Go, Python, or comparable tools.
  • Collaborate with Product, Design, Data, and engineering partners to balance usability, performance, reliability, and time to value.

LaunchDarkly provides a feature management platform that helps engineering teams ship software and AI with speed, safety, and control. They are a growing company that values humble, open, collaborative, and kind teams.

US Unlimited PTO

  • Build and maintain full-stack application components and data pipelines.
  • Implement real-time and offline data visualization, processing, and ML integrations.
  • Own engineering quality, testing, and CI/CD within a collaborative team.

Develops a next-generation data management and artificial intelligence platform supporting maritime domain awareness. Operates as a small, collaborative engineering team with a flat structure and direct access to leadership.

France 5w PTO

  • Develop new features in the customer dashboard and improve frontend performance.
  • Troubleshoot and fix bugs from Q/A and production, and help plan upcoming work.
  • Use AI-assisted tools daily, own projects end-to-end, and engage directly with stakeholders.

DataDome provides real-time bot and agent trust management, protecting websites, apps, APIs, and MCP servers from malicious traffic. With 35+ global PoPs and a 24/7 SOC, the company fosters a collaborative culture that values autonomy, AI-driven engineering, and professional growth.

$100,000–$135,000/yr
US Unlimited PTO

  • Build and maintain user interfaces using React and TypeScript.
  • Develop backend services and APIs in Go, consuming GraphQL via Apollo Client.
  • Ensure federal accessibility standards and collaborate across teams.

Oddball builds quality software for the federal space, aiming to improve daily lives of millions of people. It is a small company that values learning, growth, and making a big impact.

Canada

  • Own and deliver quarterly goals for your team, leading engineers through ambiguity to solve open-ended problems.
  • Collaborate with product, design, and analytics to articulate technical constraints and make risk-aware decisions.
  • Support operations and availability by creating metrics, escalating issues, and fostering a culture of quality and ownership.

Affirm provides transparent, pay-over-time financial services with no hidden fees. It is a remote-first company that values care, transparency, and flexibility, with a focus on inclusive employee benefits.

US Unlimited PTO

  • Serve as the frontend technical lead for CMG's DataLab product, guiding architecture and best practices using React and TypeScript.
  • Collaborate with product managers and engineers to translate complex business requirements into clean, maintainable code.
  • Champion design consistency, accessibility, and product quality while leveraging modern agentic coding tools.

Capital Markets Gateway is a capital markets-focused fintech transforming global equity capital markets through data, technology, and connectivity. Founded in 2017, the company serves 25 global investment banks and 135 asset managers with $40 trillion in AUM, fostering a collaborative and innovative engineering culture.

United States 6w PTO

  • Build and evolve fullstack features for RUM, including frontend user experiences and backend services.
  • Design and implement systems that ingest, store, and query high-cardinality telemetry data using columnar databases.
  • Develop performant query layers, APIs, and frontend applications for real-time user session and trace exploration.

Grafana Labs is the company behind Grafana Cloud, a fully managed observability platform trusted by over 10,000 organizations. We are a 100% remote company with team members across 40+ countries, backed by leading investors and fostering a global collaborative culture.

US

  • Design, develop, and maintain Golang and React/TypeScript applications for a data-intensive platform.
  • Take end-to-end ownership of features, from ideation through production and continuous improvement.
  • Collaborate with stakeholders to deliver reliable, scalable solutions and improve engineering standards.

They build and evolve a data-intensive platform serving major global organizations and financial institutions. The organization is a distributed team of about 30 technologists working in small, cross-functional teams with an emphasis on ownership and continuous improvement.

Russia Unlimited PTO

  • Develop backend services in Go for blockchain interactions, implementing ERC-4337 account abstraction, smart contracts, and microservices.
  • Build frontend applications with React/Next.js, integrating embedded wallet SDKs, Web3 libraries, and real-time blockchain events.
  • Design and implement full-stack Web3 features from smart contract events to UI, including ZK Stack specifics, admin panels, and transaction tracking.

Xsolla is a global commerce company that provides tools and services to help video game developers fund, distribute, market, and monetize their games. With over 1,500 game developers served and a remote-first culture, Xsolla prioritizes employee well-being, creativity, and collaboration.

$86,400–$118,800/yr
Europe Unlimited PTO

  • Design and operate backend systems collecting data on 400M+ creator profiles across major social platforms.
  • Build resilient infrastructure handling high-volume data, third-party APIs, and proxy networks at scale.
  • Own systems end-to-end, from architecture and deployment to monitoring and continuous improvement.

They build a large-scale creator data platform tracking 400M+ profiles across major social media. The culture is remote-first, async-oriented, and collaborative with substantial autonomy for senior engineers.

Europe

  • Own problems end-to-end across Matomo Core, from customer insight to shipped improvements.
  • Work across PHP, MySQL, JavaScript, Vue.js, and TypeScript to build a widely used analytics platform.
  • Use AI-assisted development to move faster while maintaining high standards for security and privacy.

Matomo builds privacy-friendly, open-source web analytics that gives organizations full ownership of their data. They are an independent, profitable company with a small, collaborative team that values transparency and product quality.

Global Unlimited PTO

  • Build application components and pages with modern frontend frameworks.
  • Implement real-time data feeds and pipelines using WebGPU, MQTT, and Redpanda.
  • Design data models and integrate machine learning models into the application.

Spear AI is a defense contracting company that builds a data management and artificial intelligence platform for maritime domain awareness, including sonobuoy sensors and SONAR data processing. The team is small with a flat organizational structure where employees collaborate directly with leadership and focus on mission-critical work.

India

  • Own architecture and development across Agency Module, Onboarding, and Platform Billing.
  • Build scalable backend services and modern frontend experiences using Node.js, TypeScript, and Vue.js.
  • Drive technical decisions, adopt AI-assisted development, and ensure reliability, security, and performance.

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

Global

  • Own the front-end architecture end to end for Wand's governance product, turning complex agent output and risk signals into clear, trustworthy interfaces.
  • Design and build review and triage flows for policy violations, compliance risks, and governance findings, making knowledge-graph relationships legible.
  • Work across the stack with TypeScript, Go, and Python, using AI coding tools like Claude Code as a core part of how you ship.

Wand turns AI into labor, building the world's first Agentic Labor Infrastructure that lets humans and AI agents operate together as a hybrid workforce. It is a small, remote-first, senior-heavy global team with backgrounds from DeepMind, Google, Amazon, and IBM, focused on delivering real customer value.

Global

  • Design, develop, and maintain advanced web applications for Binance's internal teams, including AI-driven products.
  • Collaborate with cross-functional, cross-country teams to define, design, and implement new features across projects.
  • Integrate third-party data sources, APIs, and AI models while ensuring robust code via comprehensive unit tests.

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

Global

  • Build fullstack features across search, scenario mining, and agentic tooling.
  • Work directly with model developers and researchers to define and measure success before building.
  • Own features end-to-end, from shaping ideas to shipping robust, maintainable software at scale.

Wayve builds the leading AI platform for autonomous driving, using an end-to-end approach that lets vehicles learn from real-world experience. They operate across global hubs with a hybrid culture focused on innovation, ownership, and collaboration.

$36,145–$60,241/yr
India Unlimited PTO

  • Design, develop, and maintain reliable backend services and APIs for a fraud prevention and financial crime risk platform.
  • Collaborate with product teams and stakeholders to deliver secure, scalable, and customer-focused solutions.
  • Contribute to technical roadmaps, engineering standards, and documentation while working remotely in India.

The company operates a technology platform focused on fraud prevention and financial crime risk management. It is a growing, remote-first organization that values ownership, technical excellence, and meaningful customer impact.

$60,000–$90,000/yr
LATAM

  • Build and scale complex data capturing workflows across web (Next.js) and desktop (Python) environments.
  • Architect and optimize high-throughput data pipelines designed to handle heavy, sustained loads.
  • Collaborate directly with the founding team to define product direction and ship features quickly.

This company is a Series A AI training data company focused on capturing expert reasoning to power next-generation foundation models. As one of the first engineers in LATAM, you'll work closely with the founding team in a high-impact, fast-paced culture.