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Job Summary
Koddi’s Ads team is building the next generation of performance advertising technology that powers some of the world’s largest brands in travel, retail, and e-commerce. We connect advertisers with consumers through precision targeting, automated optimization, and intelligent decisioning at massive scale. Our engineering teams build highly scalable systems that process billions of advertising events every day, enabling customers to make real-time decisions that drive measurable business outcomes.
We're looking for a Senior Software Engineer to join our Supply-Side Platform (SSP) team. This role is ideal for an experienced backend engineer who enjoys solving difficult distributed systems problems, leading technical initiatives, collaborating across organizations, and growing toward engineering management.
What You'll Do
As a Senior Software Engineer on the SSP team, you will own the design, implementation, and long-term operation of critical platform capabilities that power large-scale advertising marketplaces.
You will:
- Lead complex technical initiatives from concept through production with minimal oversight.
- Drive projects that span multiple engineers, coordinating technical execution while partnering closely with Product Managers, Program Managers, Data Scientists, and other engineering teams.
- Design and build highly available, low-latency distributed systems capable of processing billions of ad requests, bids, impressions, clicks, and conversions.
- Optimize backend services for throughput, latency, scalability, reliability, and operational excellence.
- Develop integrations with external advertising platforms, DSPs, publishers, exchanges, and strategic technology partners.
- Represent Engineering during technical discussions with customers and partners, including solution design, integration planning, technical kickoffs, troubleshooting, and occasional Quarterly Business Reviews.
- Mentor engineers through design reviews, architecture discussions, code reviews, and day-to-day technical guidance.
- Help establish engineering best practices across architecture, testing, observability, performance, and operational excellence.
- Operate comfortably in ambiguous problem spaces, helping define technical solutions before requirements are fully formed.
- Participate in on-call rotations and continuously improve system reliability and observability.
What You'll Bring
- 6+ years of professional software engineering experience building large-scale backend systems.
- Strong experience building high-performance distributed systems.
- Strong understanding of concurrency, asynchronous programming, networking, caching, and scalable system design.
- Professional experience developing production services in Go (or demonstrated ability to quickly become productive in Go).
- Experience building and operating cloud-native services.
- Experience with messaging or streaming technologies such as Kafka, Pulsar, or similar platforms.
- Strong SQL and data modeling skills.
- Experience designing resilient APIs and integrating with external systems.
- Excellent debugging and performance optimization skills.
- Demonstrated ability to independently lead projects from planning through delivery.
- Strong communication skills with both technical and non-technical audiences.
Experience with one or more of the following:
- Advertising technology (SSP, DSP, Ad Exchange, RTB, programmatic advertising, retail media, or performance marketing)
- OpenRTB or similar advertising protocols
- Auction systems, bidding platforms, pacing, campaign delivery, or ad serving
- Event-driven architectures
- Kubernetes and container orchestration
- Redis, Aerospike, or other high-performance data stores
- AWS, Azure, GCP, or other public cloud platforms
- CI/CD automation and infrastructure as code
Technical Leadership Expectations
This is more than an individual contributor role.
Successful candidates will be expected to:
- Lead technical execution across projects involving one or more engineers.
- Break down ambiguous initiatives into executable plans.
- Make sound technical decisions independently while appropriately communicating risks and tradeoffs.
- Build strong working relationships across Engineering, Product, Program Management, Customer Success, Partnerships, and external customers.
- Influence technical direction through architecture discussions and engineering best practices.
Growth Opportunities
As the SSP organization grows, this role is expected to evolve into a formal engineering leadership opportunity. We're especially interested in candidates who enjoy mentoring other engineers, leading technical initiatives, and are excited about growing into Engineering Management over time.
Nice to Have
- Supply-side advertising platforms
- Demand-side platforms
- Publisher technologies
- Identity and attribution systems
- Header bidding
- Real-time bidding infrastructure
- Large-scale distributed databases
- AI-assisted software development workflows that improve engineering productivity or software quality
Skills Required
- Minimum of 8 years professional experience developing, operating, and maintaining complex, high-scale, or high-availability systems
- Strong backend engineering experience in Go or similar strongly typed languages
- Expertise building REST and gRPC APIs
- Deep understanding of software design principles, distributed systems, concurrency, and performance optimization
- Experience designing and building backend services, APIs, and data pipelines focused on performance, reliability, and scalability
- Proven ability to mentor engineers and support their career growth
- Strong collaboration and communication skills to influence and align across teams
- Experience working with real-time bidding, ad serving, or performance marketing platforms
- Experience leading an engineering team, setting technical direction, and coordinating execution
- Knowledge of one or more cloud platforms (AWS, Azure, GCP)
What We Do
Koddi's award-winning ad technology platform provides a robust network for brands to connect with consumers and drive revenue through native sponsored placements, metasearch, and programmatic media campaigns.
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