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Senior Software Engineer - Ads Jobs

1468 Job Offers

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Freelance Senior Software Engineer
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Seeking a Freelance Senior Software Engineer for a contract role in Costa Rica. Lead full-cycle development using React.js, Node.js, and AWS. Requires 6+ years' experience, fluency in English/Spanish, and expert full-stack JavaScript skills. Deliver high-quality solutions independently in a colla...
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Costa Rica
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Seamless.AI
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Freelance Senior Software Engineer
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Seeking a remote Freelance Senior Software Engineer for contract work. This role requires 6+ years of experience and expertise in React.js, Node.js, and Express.js. Fluency in both English and Spanish is essential. Lead full-cycle development and collaborate on innovative software projects from M...
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Mexico
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Seamless.AI
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Freelance Senior Software Engineer
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Join our team as a Freelance Senior Software Engineer in Uruguay. This contract role requires a bilingual expert (English/Spanish) with 6+ years' experience in full-stack JavaScript (React.js, Node.js). You will lead technical design, development, and deployment on AWS, ensuring high-quality deli...
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Uruguay
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Seamless.AI
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Senior Software Engineer
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Lead the development of high-quality software as a Senior Software Engineer. This remote US role requires 6+ years of experience and expertise in React.js, Node.js, and AWS. You will provide technical leadership, mentor a team, and drive projects using Agile methodologies.
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United States
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Seamless.AI
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Senior Java Software Engineer
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Join our Warsaw team as a Senior Java Engineer. Lead the migration of JBoss systems to a modern Spring Boot cloud environment using Java 17+, Camunda, and Kubernetes. Enjoy a hybrid model, flexible hours, and a rich benefits package including mentoring and a team-building budget. Apply your exper...
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Poland , Warsaw
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Inetum
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Senior Software Engineer
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Join a Cambridge-based quantum computing leader as a Senior Software Engineer. Develop cutting-edge cloud infrastructure using Python, AWS/Azure, and Terraform. Enjoy flexible work, equity, and collaborate with world-class innovators on revolutionary quantum AI and cybersecurity platforms.
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United Kingdom , Cambridge
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Gitmax
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Senior Frontend Software Engineer
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Join KAYAK as a Senior Frontend Engineer in Cambridge, USA. Build the Flights product used by millions, owning UI end-to-end with React/TypeScript. Enjoy great benefits like flexible hours, 4 weeks vacation, and a focus on work-life balance.
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United States , Cambridge
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KAYAK
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Senior Front-End Software Engineer
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Join KAYAK as a Senior Frontend Engineer in Kaunas. You will build innovative checkout flows and B2B platforms using React, TypeScript, and modern tooling. This hybrid role offers global collaboration, career growth funds, and extensive benefits.
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Lithuania , Kaunas
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3333.00 - 6600.00 EUR / Month
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KAYAK
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Senior Network Software Engineer
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Join Aruba, an HPE company, as a Senior Network Software Engineer in San Jose. Develop next-gen packet forwarding solutions, including stateful firewall, SDN, and scalable cloud applications. We seek an expert in C programming, networking protocols, and embedded/cloud systems with 6-10 years' exp...
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United States , San Jose
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133500.00 - 307000.00 USD / Year
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Hewlett Packard Enterprise
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Senior Software Engineer
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Join Fever's Engineering team as a Senior Software Engineer. Develop high-traffic Python applications, work with RESTful APIs, and mentor peers. Enjoy a home office anywhere in Spain, health insurance, and great discounts. Strong English and a focus on code quality are key.
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Spain
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50000.00 - 65000.00 EUR / Year
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Fever
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Senior Software Engineer
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Join Atlassian as a Senior Software Engineer in a distributed-first environment. You will build scalable backend microservices using modern OOP languages and cloud platforms like AWS. This role requires 6+ years of experience and offers ultimate flexibility to work from anywhere.
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Atlassian
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Senior Principal Software Engineer
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Lead large-scale, business-critical projects as a Senior Principal Software Engineer in Bengaluru. You will define long-term architecture for ITSM, leveraging 15+ years of cloud-native SaaS expertise. This role requires deep experience with AWS, distributed systems, and aligning technical solutio...
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India , Bengaluru
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Atlassian
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Senior Software Development Engineer - Routing/SASE
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Join Hewlett Packard Enterprise in San Jose as a Senior Software Development Engineer. You will design and maintain routing protocols like BGP and OSPF for our SASE platform, using your expert C programming skills. This role offers a chance to lead innovative projects within a culture that values...
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United States , San Jose
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117500.00 - 270000.00 USD / Year
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Hewlett Packard Enterprise
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Senior Security Software and System Engineer
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Join HPE's Cybersecurity Lab as a Senior Security Software and System Engineer in Aguadilla. You will design and implement security solutions, conduct penetration testing, and develop automation tools to enhance product and supply chain security. This role requires extensive experience in softwar...
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United States , Aguadilla
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Hewlett Packard Enterprise
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Senior Software Engineer - Transactional Data Platform
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Join Atlassian as a Senior Software Engineer for the Transactional Data Platform in Sydney. Design and build high-performance, scalable backend storage solutions on AWS. Leverage your expertise in Kotlin, distributed systems, and AWS services like S3 and DynamoDB. Enjoy a flexible hybrid/remote w...
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Australia , Sydney
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Atlassian
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Senior Full Stack Software Engineer
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Join Atlassian in Gdańsk as a Senior Full Stack Engineer. You will enhance Jira Align, building scalable features for enterprise customers using .NET/C#, React, and cloud tech. Enjoy a global team, health coverage, and paid volunteer days in this impactful role.
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Poland , Gdańsk
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244800.00 - 326400.00 PLN / Year
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Atlassian
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Senior Frontend Software Engineer
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Join Atlassian in Sydney as a Senior Frontend Engineer. You'll design and build scalable, high-performance services for the Atlassian Cloud using ReactJS and modern web architectures. This greenfield role focuses on innovation, microservices, and shaping the future platform. Enjoy a collaborative...
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Australia , Sydney
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Atlassian
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Senior Backend Software Engineer
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Join Atlassian in Sydney as a Senior Backend Software Engineer. Drive complex projects in Java and mentor junior team members. Enjoy health coverage and paid volunteer days in this impactful role.
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Australia , Sydney
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Atlassian
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Senior Software Engineer
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Join Atlassian in India as a Senior Software Engineer to unleash team potential globally. Design RESTful APIs and microservices using Java, Python, or Scala on AWS. Work with Big Data (Spark, DBT) and ensure quality through CI/CD and test automation. Enjoy health coverage, paid volunteer days, an...
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India
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Atlassian
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Senior Software Engineer (Data Platform)
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Join Atlassian as a Senior Software Engineer for the Data Platform. This remote role in India requires expertise in Java/Kotlin/Scala/Python, Big Data tech (Spark, DBT), and cloud services (AWS). You will build robust APIs, ensure data quality, and work in a CI/CD environment. Enjoy a distributed...
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India , Remote
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Atlassian
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Explore senior software engineer jobs in the dynamic and high-impact field of advertising technology. A Senior Software Engineer specializing in Ads is a pivotal role responsible for architecting, building, and maintaining the complex systems that power digital advertising platforms. These professionals work at the intersection of data, performance, and scale, developing the engines that deliver targeted ads, manage real-time bidding auctions, analyze campaign performance, and ensure optimal revenue generation. Their work directly influences the core business metrics of platforms, making this a critical and technically challenging career path. Typically, professionals in these roles are entrusted with end-to-end ownership of major components within the ad tech stack. Common responsibilities include designing and implementing low-latency, high-throughput distributed systems capable of processing billions of requests daily. They develop algorithms for ad targeting, ranking, and budget pacing, while rigorously optimizing for performance and cost-efficiency. A significant part of the role involves ensuring system reliability and data accuracy, as even minor errors can have substantial financial implications. Collaboration is key; senior engineers frequently work alongside product managers, data scientists, and machine learning experts to translate business requirements into robust technical solutions. They also champion best practices, mentor junior engineers, and lead initiatives to improve code quality, system architecture, and operational excellence. To excel in senior software engineer jobs within ads, a specific and advanced skill set is required. A strong foundation in computer science fundamentals, data structures, and algorithms is non-negotiable. Proficiency in languages like Java, Go, Python, C++, or Scala is common, coupled with deep experience in distributed systems, cloud platforms (AWS, GCP, Azure), and big data technologies (e.g., Hadoop, Spark, Kafka). Expertise in database design, both SQL and NoSQL, is essential for handling massive datasets. Given the real-time nature of ad serving, knowledge of concurrency, multithreading, and network programming is critical. Furthermore, a solid understanding of the digital advertising ecosystem—including concepts like RTB, DSPs, SSPs, and ad exchanges—is a major advantage. Successful candidates typically possess several years of relevant experience, a proven track record of solving complex scalability problems, and a data-driven, results-oriented mindset. They are proactive problem-solvers who can navigate the trade-offs between system performance, business needs, and technical debt. If you are passionate about building systems at massive scale and directly impacting business growth, exploring senior software engineer jobs in ads offers a rewarding and intellectually stimulating career.

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