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Senior Software Engineer II, Ads Data Solutions Engineering

New RemoteNorth AmericaFull-timeSenior

Senior IC tech lead (L6) at Instacart building the data infrastructure behind its ads business: off-platform ad-platform integrations, cleanroom data collaboration, and automated ad taxonomy workflows. Core stack is Python (plus Ruby or Go), SQL, dbt, Airflow, Spark/Databricks, Snowflake, and AWS, with daily AI-assisted development.

AI Airflow Analytics API Automation +26 skills

196K – 207K CAD

Senior Java Developer

New North AmericaSenior

Full stack Java developer at Konrad, a digital consultancy in Toronto, building consumer and enterprise web applications with Java, Spring Boot, and a modern JS front-end (React or Angular). Day to day involves writing maintainable, tested code, participating in code reviews, and researching new tools with a collaborative team.

Accessibility Angular API AWS Azure +11 skills

120K – 145K CAD

Senior Java Developer

New North AmericaSenior

Senior Java Developer in Toronto building scalable distributed applications, data pipelines, REST APIs, and web apps for Risk Analysts, Front Office Traders, and Senior Executives in capital markets. Core stack: Java/JEE, Spark/Scala/Hadoop big data tools, Spring Boot microservices, Cassandra/SQL, Git, and Jenkins CI/CD.

Agile API Automation Bash Cassandra +21 skills

Senior Python developer

New North AmericaContractSenior

A 12-month B2B contract where a senior Python/SQL consultant migrates analytics, applications, and data engineering assets to Snowflake and Azure for a Canadian institutional investment firm, while maintaining trading and investment analytics software. Core stack: Python, SQL, Snowflake, Azure, Git, and Jenkins in an Agile environment.

Accessibility Agile Airflow AKS Analytics +25 skills

Aon Corporation

Senior Python Developer for PathWise & AI Tools

New North AmericaSenior

Aon's Strategy and Technology Group in Toronto is hiring a senior Python developer to design and maintain Python tools for PathWise actuarial and financial modelling, build automation, and develop Azure DevOps pipelines, working collaboratively in an Agile environment.

Agile Automation Azure Azure DevOps DevOps +1 skills

UST España & Latam

Senior Java Developer with Kafka | Remote from Spain

New EuropeSenior

Senior Java Developer joining a large-scale project in a microservices environment using Java 8+, Spring Boot and Apache Kafka. The role is remote from Spain, with rotating 24/7 on-call shifts every 3-4 months. TDD/BDD, Scrum and B2 English are valued; compensation is described as market-competitive.

BDD Java Kafka Scrum Spring +1 skills

Senior Java Developer — Hybrid/Remote, Torino

New EuropeSenior

ACTION ICT is hiring a Middle/Senior Java developer in Torino (hybrid with partial smart working) to analyze and program Java solutions supporting client projects, using Spring, Hibernate, JAX-WS, JBoss, Maven, Git, and Angular. Permanent contract with salary based on experience.

Angular Git Hibernate Java JAX +3 skills

Hybrid Java Developer (Mid/Senior) – Milan

New EuropeSenior

Mid/senior Java developer in Milan doing analysis and programming with Spring, Hibernate, JAX-WS, JBoss, Maven, Git, Angular and SQL, while working directly with clients to solve problems. Permanent contract, hybrid with partial smart working; salary based on experience level.

Angular Git Hibernate Java JAX +4 skills

Senior Java Developer: Spring Boot, Kafka & Microservices

New EuropeSenior

Builds, maintains and evolves enterprise backend applications at Fides, working mainly with Java and Spring Boot in distributed microservice architectures, using Kafka for data integration and MongoDB as the database, from Napoli, Italy.

Java Kafka MongoDB Spring

Global Solutions Srl

Softwarista - Sviluppatore software PLC Senior

New EuropeSenior

A senior PLC software developer who writes software for industrial automatic machines, developing PLC/HMI applications on major platforms plus Motion Control, analyzing industrial machine processes and collaborating in a team, on-site in Lombardy, Italy.

Senior Rails Developer

New RemoteNorth AmericaSenior

Quint is hiring a Senior Rails Developer to design, develop, and maintain scalable multi-tenant Ruby on Rails applications, build integrations with external CRM systems via APIs and webhooks, and manage background jobs for sync and processing. Focus areas include testing, code reviews, CI/CD, and performance. Remote within the United States.

API CI/CD Cloud Containerization CRM +5 skills

TherapyNotes.com

Senior Software Developer

New RemoteNorth AmericaSenior

Senior full-stack developer building and maintaining TherapyNotes' behavioral health practice management/EHR SaaS — responsive web UIs, backend services, APIs, and integrations across the full SDLC. Core stack is C#, ASP.NET Core, Angular, TypeScript, and PostgreSQL/SQL Server, with strong emphasis on AI-assisted development.

Agentic AI Agile AI Angular API +24 skills

120K – 140K $

Software Engineer - Front End - Studio (Core) - Greenhouse

Senior Software Engineer - Futures and Options Execution Services

Senior Software Engineer on Clear Street's futures and options execution services team, building a brand-new EMS platform for listed futures and options from the ground up. Day-to-day involves developing low-latency trading components (real-time market data, exchange connectivity, risk controls) in a web interface using Java and/or Rust, AWS, FIX, Kafka, and Kubernetes.

Accessibility AWS Azure Cloud Cloud Native +6 skills

Senior software engineer - ai-driven .net & cloud

Sightspectrum in Qatar is hiring a Senior Software Engineer to lead end-to-end delivery of scalable applications, automation, and AI integration. The role centers on .NET Core, C#, Azure AI Services, Databricks, OpenShift, DevOps/CI-CD, and Power Automate, with emphasis on stakeholder management and quality engineering.

AI Automation Azure CI/CD C# +4 skills

Senior software engineer

A senior engineer in Qatar who owns the full SDLC for enterprise applications, building with .NET Core and C#, integrating Azure AI Services and Agentic AI, working with Databricks and OpenShift, and handling DevOps/CI-CD plus Power Automate automations with independent delivery.

Agentic AI AI Automation Azure CI/CD +5 skills

Penta Consulting

Senior software engineer

Senior Software Engineer/SME who designs, configures, upgrades, and supports Oracle telecom BSS platforms — Oracle BRM 12.x/15.x, Pricing Design Centre, OCOMC mediation, and BI Publisher — in cloud-native (Kubernetes/Helm) production environments, including L2/L3 billing support and custom PCM C/Java development.

Accounts Receivable Agile Analytics Automation Bash +14 skills

UST España & Latam

Software Developer Java AWS [Remoto]

New EuropeSenior

Senior Java developer on an international Agile project at UST, building and maintaining Java 8+/Spring Boot microservices with event-driven architectures on Apache Kafka and PostgreSQL/Oracle/MongoDB databases. Day-to-day includes code reviews, TDD/BDD testing, and contributing to architecture decisions, with remote work options available.

Agile BDD Event Driven Architecture Java Kafka +8 skills

Senior Java Developer

New EuropeSenior

ALTEN Spain is hiring a Senior Java Developer for a 100% remote position, building robust, scalable, high-concurrency systems. The core stack is Java 17/21, Spring Boot, reactive programming (Project Reactor/RxJava), gRPC/Protobuf, Kafka, Redis, Postgres/MongoDB, and AWS, with C1 English required.

AWS CI/CD Cloud Flux GitHub +15 skills

Nunegal Consulting

Senior Java Developer - Remote - Microservices & AI

New EuropeSenior

Senior backend developer leading Java 17-21 microservices and REST API development in a fully remote role based in Spain, working with modern tooling like Git/GitHub, Kafka and CI/CD, with involvement in AI projects.

API CI/CD Git GitHub Java +1 skills

Senior IT Systems Engineer

Salary: £45,000 - 65,000 per year Requirements: Proven experience in server infrastructure support and administration Solid knowledge of VMware technologies (vSphere, ESXi, vCenter) Hands-on experience with Microsoft…

Active Directory SharePoint VMware Windows Server