Senior Backend Engineer

Affle 3i Ltd

⌖ United KingdomSalary not providedRemoteNot specified · Full-time

Location & working arrangement

Working arrangement is supplied by the provider. Check the original advert for attendance and travel requirements.

Provider location / applicant eligibility: Albania, Andorra, Austria, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Holy See (Vatican City State), Hungary, Iceland, Ireland, Italy, Kosovo, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Montenegro, Netherlands, North Macedonia, Norway, Poland, Portugal, Romania, Russian Federation, San Marino, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey, Ukraine, United Kingdom

About the role

Role Overview We are looking for a Senior Backend Engineer to work across our AdTech platform, including backend APIs, Real-Time Bidding (RTB) systems, and advertising reporting/data-processing services. The engineer will work across Python, Node.js, and Java and should be comfortable owning high-volume, production-grade backend systems. Key Responsibilities Design and develop backend APIs for UI and platform functionality using Python and/or Node.js. Build APIs supporting campaign management, configuration, reporting, and platform operations. Develop and maintain Java-based RTB and Ad Exchange services. Work on high-throughput, low-latency real-time advertising request/response processing. Develop and maintain Python-based advertising reporting and data-processing services/scripts. Work with event and reporting pipelines using technologies such as Kafka, databases, and cloud storage. Troubleshoot and optimize production services, database queries, and data pipelines. Participate in architecture, code reviews, testing, deployment, and production support. Collaborate with UI, SDK, DevOps, QA, and other engineering teams. Required Skills Strong experience with Python and/or Node.js backend development. Working knowledge of Java and Scala (optional) and ability to contribute to an existing Java codebase. Strong experience designing and developing REST APIs. Strong SQL and relational database experience. Experience with Kafka or similar event-streaming technologies. Experience with distributed, scalable backend systems. Experience with cloud infrastructure, preferably AWS. Strong debugging, performance optimization, and production troubleshooting skills. +3 years of experience in AdTech / programmatic advertising & understanding of RTB, OpenRTB, DSPs, SSPs, Ad Exchanges, bidders, impressions, clicks, and advertising reporting. Experience building high-QPS, low-latency systems. Experience with large-scale event processing and reporting pipelines. Docker/containerized deployment and monitoring experience. Experience 5+ years of backend/software engineering experience preferred. We are looking for a strong hands-on engineer capable of independently understanding existing systems and taking ownership across API development, RTB/Ad Exchange services, and reporting/data pipelines. Originally posted on Himalayas

Skills mentioned in the listing

PythonJavaSQLNode.jsDockerAWSAPI developmentREST APIsCampaign management

Recognised skills are extracted from the supplied description using canonical names and aliases. They are mentions, not verified essential requirements. Check the source advert for the employer’s full requirements and location restrictions.

Why these skills appear

Python · mentioned
d advertising reporting/data-processing services. The engineer will work across Python, Node.js, and Java and should be comfortable owning high-volume, production-grade backend systems. Key Responsibilities Design and d

Java · mentioned
ng/data-processing services. The engineer will work across Python, Node.js, and Java and should be comfortable owning high-volume, production-grade backend systems. Key Responsibilities Design and develop backend APIs f

SQL · requirement-context
g Java codebase. Strong experience designing and developing REST APIs. Strong SQL and relational database experience. Experience with Kafka or similar event-streaming technologies. Experience with distributed, scalab

Node.js · mentioned
ising reporting/data-processing services. The engineer will work across Python, Node.js, and Java and should be comfortable owning high-volume, production-grade backend systems. Key Responsibilities Design and develop b

Docker · desirable
ystems. Experience with large-scale event processing and reporting pipelines. Docker/containerized deployment and monitoring experience. Experience 5+ years of backend/software engineering experience preferred. We a

AWS · requirement-context
ed, scalable backend systems. Experience with cloud infrastructure, preferably AWS. Strong debugging, performance optimization, and production troubleshooting skills. +3 years of experience in AdTech / programmatic ad

API development · mentioned
ble of independently understanding existing systems and taking ownership across API development, RTB/Ad Exchange services, and reporting/data pipelines. Originally posted on Himalayas

REST APIs · requirement-context
ibute to an existing Java codebase. Strong experience designing and developing REST APIs. Strong SQL and relational database experience. Experience with Kafka or similar event-streaming technologies. Experience with

Campaign management · mentioned
and platform functionality using Python and/or Node.js. Build APIs supporting campaign management, configuration, reporting, and platform operations. Develop and maintain Java-based RTB and Ad Exchange services. Work