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Romania Poland

  • Design, develop, and maintain both backend and frontend components of the Aggregation Platform, building API-first integration solutions.
  • Develop scalable, secure, and high-performance applications using Java, TypeScript, Node.js, Webpack, and modern package management tools.
  • Collaborate with cross-functional teams to design integration solutions, contribute to CI/CD pipelines, and improve platform architecture.

Java TypeScript Node.js Google Cloud Platform

19 jobs similar to Senior Full-stack Integration Developer

Jobs ranked by similarity.

Romania Poland

  • Design, develop, and maintain backend services for the Aggregation Platform, enabling seamless integrations between game providers and operators.
  • Build and enhance API-first solutions that support scalable, high-performance, and business-critical systems.
  • Develop secure, maintainable, and high-quality code while following engineering best practices.

Software Mind develops solutions that make an impact for companies around the globe. Our culture embraces openness, acts with respect, shows grit & guts and combines employment with enjoyment.

Global

  • Build secure, useful software across Angular/React, Java/Node.js, APIs, data flows, and modern AI tools.
  • Take end-to-end ownership: break down ideas, build frontend and backend features, test, review code, ship releases, and fix issues.
  • Use AI development tools, agents, MCPs, automation, and AI-assisted workflows responsibly and securely.

PlayPower Labs builds secure, useful software across modern tech stacks. It is a startup-sized company with a high-energy, ownership-driven culture emphasizing speed and practical judgment.

Global Unlimited PTO

  • Design, implement, and maintain our payment integrations platform, including partner APIs, SDKs, and embedded web experiences.
  • Help shape and drive the technical roadmap for the Partner Engineering team.
  • Design and develop scalable APIs and integrations to support money movements across banking partners via payment rails such as ACH.

Flex is a growth-stage, NYC headquartered FinTech company that creates the best rent payment experience. The company has an enthusiastic user base and is committed to radical transparency, integrity, and individual growth.

US

  • Design and optimize scalable, secure, and maintainable AI-powered software solutions, integrating machine learning models and generative AI services.
  • Champion engineering excellence by writing high-quality, well-tested code and guiding peers in best practices for AI integration.
  • Collaborate cross-functionally to evaluate new AI capabilities and contribute to the roadmap for AI-enabled features and platforms.

BECU is a financial cooperative with 1.5 million members and over $30 billion in managed assets, focused on people over profits. With 90 years of history and a purpose-driven culture, they are one of the nation's leading credit unions, emphasizing employee support and community well-being.

Latin America

  • Design and build backend services for onboarding flows including KYB/KYC, document collection, and verification orchestration.
  • Contribute to frontend development for intuitive, responsive interfaces that simplify complex compliance processes.
  • Own integrations with external identity and verification providers, abstracting complexity behind clean internal APIs.

Clara is the fastest-growing B2B fintech company in Latin America, building the leading solution for companies to manage payments with corporate cards, bill pay, financing, and a B2B platform. Backed by top global and regional investors, Clara has a high-talent-density culture focused on ownership and innovation, serving over 20,000 businesses.

Global

  • Design and develop scalable microservices and RESTful APIs using Java and Spring Boot.
  • Build backend systems supporting dynamic call routing, queue management, and config-driven workflows.
  • Collaborate with UI teams to power self-service interfaces for business users on Amazon Connect.

Miratech is a global IT services and consulting company that helps visionaries change the world through digital transformation. Retaining nearly 1,000 full-time professionals with a culture of Relentless Performance and a 99% project success rate, the company operates across 5 continents and 25 countries.

India

  • Design, develop, and deliver high-quality full-stack applications using TypeScript, Node.js, Next.js, React, and C#/.NET.
  • Build clean, maintainable, and well-tested code with strong emphasis on quality, accessibility, and performance.
  • Work autonomously within a collaborative, fast-paced agile team, leveraging AI-assisted tools to drive product impact.

Smart Working connects skilled professionals with global teams for full-time remote roles. It is known as one of the highest-rated workplaces on Glassdoor, offering a supportive community and growth opportunities.

Europe

  • Act as a key technical liaison between business and engineering teams, translating commercial goals into scalable architectures.
  • Lead cross-functional delivery teams and provide architectural oversight throughout the development lifecycle.
  • Mentor engineers, conduct code reviews, and make architectural decisions at component and plugin levels.

Sigma Software partners with global leaders to deliver cutting-edge technology solutions that automate and optimize revenue-focused operations. While company size is not specified, it fosters a supportive culture with challenging projects and a focus on innovation.

LATAM

  • Lead the long-term maintenance, scaling, and reliability of a self-hosted n8n enterprise automation engine.
  • Write custom node code and develop advanced webhooks to extend platform capabilities beyond standard configurations.
  • Design robust, asynchronous workflows capable of smoothly throttling or queuing API payloads under heavy operational loads.

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

India

  • Design, build, and maintain custom IAM applications, APIs, and automation that support identity lifecycle management and role-based access.
  • Partner with cybersecurity, infrastructure, and business stakeholders to translate IAM requirements into secure technical designs.
  • Engineer automated joiner, mover, leaver provisioning processes and ensure system integrations across enterprise platforms like Okta, Salesforce, and ServiceNow.

Shared Services provides identity and access management solutions for enterprise platforms. They operate in the information technology sector with a focus on secure integration patterns and operational reliability.

Latin America

  • Elevate the UX by leading frontend architecture of payment systems, ensuring intuitive, responsive, and robust interfaces.
  • Bridge the Stack by designing and maintaining frontend/backend integrations with payment processors across Latin America.
  • Build for Resiliency by writing clean, observable, and secure code that handles sensitive financial data reliably.

Clara is the fastest-growing company in Latin America, providing the leading solution for companies to make and manage all their payments. Backed by top global and regional investors, we are building the financial infrastructure that powers high-performing organizations across the region with a passionate and committed team distributed across the Americas.

Poland Europe

  • Design and maintain robust applications using TypeScript/JavaScript, Node.js, NestJS, and React.js
  • Work in an AI-augmented development environment with tools like Claude Code and Cursor
  • Collaborate with stakeholders to define and deliver new features while ensuring code quality and security

Sigma Software partners with innovative European companies to deliver cutting-edge technology solutions with business impact. They have collaborated with a leading logistics provider since 2017, delivering over 10 active projects.

Canada US Unlimited PTO

  • Design and maintain scalable, secure software architectures aligned with business goals, ensuring robust and reliable systems.
  • Introduce and implement best practices around object-oriented design, domain-driven design, and microservices.
  • Use AI to streamline processes, reduce friction, and give time back to developers for meaningful work.

ZayZoon builds a financial empowerment platform helping businesses improve employee financial wellness through services like earned wage access. Recognized for growth in Deloitte's Technology Fast 50 and Fast 500, they are a remote-first company with a Series B funding of nearly $50 million USD.

Global

  • Collaborate as part of an agile team to deliver a scalable, highly available global voice platform.
  • Develop and maintain software solutions using JavaScript, Java, Spring, and related technologies.
  • Troubleshoot, maintain, and support the production environment in line with DevOps principles.

Miratech is a global IT services and consulting company that helps visionaries change the world by supporting digital transformation for some of the world's largest enterprises. With over 1,000 full-time professionals operating across 25 countries, the company has a culture of relentless performance and has achieved sustained growth exceeding 25% annually since 1989.

Netherlands

  • Clone, run, and debug AI-generated full-stack and frontend applications to validate functionality and identify issues.
  • Evaluate code quality, structure, readability, and adherence to engineering standards, documenting UI and logic inconsistencies.
  • Collaborate with engineers to refine code evaluation frameworks and contribute to reusable frontend components and internal tooling.

A partner company is seeking a Junior Full-Stack Engineer to work at the intersection of full-stack development and AI, focusing on improving AI systems that generate and evaluate code. They offer a fast-moving, experimental environment with strong learning and career growth potential, collaborating with experienced engineers and AI researchers.

US UK

  • Design and build integrations between AI platforms and corporate business systems, including API development and workflow automation.
  • Manage GCP resources supporting the AI environment, including APIs, billing, and access controls.
  • Partner with Enterprise Security to support secure AI-assisted application development ("vibe coding") processes.

Iterable is the leading AI-powered customer engagement platform that helps brands like Redfin and SeatGeek create personalized experiences. With nearly 1,200 brands across 50+ countries, the company fosters a culture of innovation, collaboration, and inclusion, and has been recognized as one of Inc's Best Workplaces.

US

  • Design and build full-stack applications from concept to production.
  • Own the full SDLC: design, development, testing, deployment, and iteration.
  • Use AI tools to accelerate development, testing, and code quality.

Crosslake Technologies helps private equity investors and portfolio company leaders drive value creation through technology. The company operates with small, highly capable engineering pods and emphasizes core values of service, curiosity, credibility, commitment, and creativity.

US

  • Build full-stack features using TypeScript, Next.js, and cloud-based backends with an AI proxy approach.
  • Integrate AI and LLM capabilities including OpenAI APIs, RAG, conversational flows, and agent frameworks.
  • Stand up and manage Azure cloud infrastructure (Functions, Service Bus, Storage, API Management) with CI/CD pipelines.

Trucordia is an insurance brokerage that provides an unrivaled combination of people, tools, and solutions. With more than 5,000 team members across 200 U.S. offices, it is one of the fastest-growing companies in the country and values care, collaboration, and results.

Norway

  • Design, develop, and maintain cloud-native applications and microservices using Java and Spring Boot.
  • Build intuitive user interfaces with Angular and modern web technologies for a mission-critical platform.
  • Contribute to architectural decisions ensuring high availability, scalability, and disaster recovery.

Everbridge is a global leader in critical communications and enterprise safety solutions, helping governments and organizations protect communities during emergencies. The company employs over 1,500 people across the world, fostering a mission-driven culture focused on saving lives and keeping businesses running.