Tech jobs
Job listings
Medior Backend Engineer: Java/Kotlin, Spring Boot
Builds and maintains mission-critical backend systems for Rotterdam’s port authority using Java/Kotlin and Spring Boot, including REST/SOAP integrations and 24/7 operations.
Medior backend developer (zzp - freelance)
Builds and maintains backend services in Java/Kotlin using Spring Boot, focusing on secure integrations and observability for a mission-critical logistics system.
Medior Backend Developer 36u/w
Build and maintain backend services for a 24/7 mission-critical port-management system using Java/Kotlin, Spring Boot, and microservices, while integrating with internal and external partners via APIs and messaging.
Full-Stack Engineer – Fintech AI Innovator
Builds and scales fintech platform tech stack (frontend to backend) using React, Next.js, Kotlin, and AWS, integrating AI workflows to serve thousands of Canadian users while collaborating with product/design teams.
Staff Software Engineer, Backend (Online Storage) Affirm · $130k – $173k Middle 7h ago
Design and build scalable, multi-region database platforms for a fintech company, optimizing OLTP systems like MySQL and PostgreSQL to power financial transactions and analytics at scale.
Senior Software Engineer, Backend (ML Feature Platform)
Build and maintain a scalable ML feature platform that powers Affirm’s credit decisioning systems using Python/Kotlin, AWS, and Kubernetes.
Software Engineer
Build and scale full-stack mortgage tech using React, Next.js, TypeScript, Kotlin, and AWS to deliver faster, simpler home-financing experiences for Canadians.
Software Development Manager
Job Description Insight Global is seeking a Software Development Manager to join a large client in the GTA/Mississauga area (Hybrid schedule). The Software Development Manager will be responsible for leading the…
Backend Software Engineer – QOPA
Quantum Machines (QM) is a global leader in control systems for quantum computing, a field on the verge of exponential growth. Our innovative hardware and software provide a groundbreaking approach to quantum computer…
Senior Java Developer (Híbrido Barcelona)
Build and maintain high-performance backend services in Java 17 with Spring/Spring Boot, using microservices, SOLID, TDD, and hexagonal architecture.
Senior Backend Developer - PHP - cequelinos
Senior Backend Developer builds and secures PHP/Java/Kotlin payment services for a fintech platform, focusing on transaction flows, fraud prevention, and compliance in a regulated environment.
Senior Backend Developer - PHP
Senior PHP/Java/Kotlin backend developer designing, securing, and maintaining payment gateway and core transaction services for a fintech subsidiary of Société Générale, focusing on fraud prevention, cross-border payments, and accessibility.
Kotlin/Java Developer
Build and maintain secure SaaS authentication applications using Kotlin/Java, Spring Boot, and CI/CD, owning the full lifecycle from design to deployment.
Senior iOS/Android Software Engineer
Build and maintain a consumer fintech mobile app in Kotlin with Jetpack Compose, integrating Firebase and backend APIs to help users manage money and build credit.
Senior Software Engineer (Big Data Processing)
Leads development of mission-critical big-data analytics systems for national security, designing scalable web apps and APIs to detect/analyze threats using Java/Kotlin, Spring Boot, Kafka, and AI tools.
Senior Full Stack Engineer
Senior Full Stack Engineer builds and optimizes campaign tools, dashboards, and APIs for a mobile ad marketplace, using a polyglot stack and focusing on low-latency, high-throughput systems.
Junior Full-stack Entwickler (m/w/d)
Builds and maintains a full-stack app in Python, Angular, Kotlin/Java and Postgres to track energy use and device inventory across 8,000 sites, improving cost efficiency and CO₂ reporting.
Java Backend developer
Build and evolve a secure Java-based microservices platform using Spring Boot, Docker, and Kubernetes for finance and cybersecurity projects.
Software Engineer
Build and maintain Go-based backend services that process messages from Pod’s EV-charging network, ensuring reliability and scalability while collaborating on cloud-native infrastructure.
Full-Stack Web and Mobile Developer
Develops and maintains a web platform and mobile app (React Native/Next.js, Kotlin, TypeScript) for managing robotic fleets, bridging hardware APIs with user interfaces for operators and fleet managers.