Top Tech Jobs & Startup Jobs in Belfast

10 Hours AgoSaved
Hybrid
Belfast, County Antrim, Northern Ireland, GBR
Entry level
Entry level
AdTech • Big Data • Digital Media • Software
Student placement software engineering role developing Magnite’s advertising platform. Responsibilities include software development, quality assurance, test automation, deployment, and solving complex technical problems with experienced engineering teams. The role provides mentorship and exposure to a broad technology stack, including Java, Rust, Scala, JavaScript, Python, C++, SQL, Cassandra, Druid, Hadoop, and Kafka.
Top Skills: BitbucketC++CassandraDruidGitHadoopJavaJavaScriptKafkaPysparkPythonRustScalaSQL
10 Hours AgoSaved
Hybrid
Belfast, County Antrim, Northern Ireland, GBR
Entry level
Entry level
AdTech • Big Data • Digital Media • Software
Software engineering student placement developing and testing a complex advertising technology platform. The role provides hands-on experience in software development, quality assurance, automation, deployment, and modern programming technologies. Students collaborate with experienced engineers, contribute production code, solve technical problems, and receive mentorship and professional development. The position is hybrid in Belfast and restricted to current Ulster University STEM students participating in the 2027 placement program.
Top Skills: BitbucketC++CassandraDruidGitHadoopJavaJavaScriptKafkaPysparkPythonRustScalaSQL
22 Days AgoSaved
Hybrid
Belfast, County Antrim, Northern Ireland, GBR
Junior
Junior
AdTech • Big Data • Digital Media • Software
Develop and maintain production software for large-scale, real-time advertising systems. Responsibilities include writing tested code, addressing features and bugs, supporting production services, collaborating across teams, and contributing to system architecture and design. The role emphasizes systems programming, scalability, low-latency performance, concurrency, memory management, and reliable enterprise server applications, with opportunities to develop production Rust skills.
Top Skills: CC++GoJavaLinuxRust
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