Software Architect (AdTech)

• Define and drive the architecture of scalable AdTech solutions and distributed cloud platforms across multiple initiatives
• Own architectural decisions and define technical direction aligned with business objectives and long-term product strategy
• Lead technical discovery, architecture assessments, and solution design activities
• Translate complex business requirements into scalable, secure, and future-proof technical solutions
• Drive technical pre-sales activities, including customer presentations, architecture workshops, solution proposals, estimations, and Proofs of Concept (PoCs)
• Showcase Sigma Software’s AdTech expertise to prospective clients and support new business opportunities
• Identify opportunities to expand existing customer engagements through technology consulting and architecture advisory
• Establish architectural standards, governance principles, and engineering best practices across projects
• Guide engineering teams on architecture implementation, scalability, performance optimization, and distributed systems design
• Evaluate emerging technologies, including AI-driven solutions, and recommend innovative approaches
• Mentor engineers and support technical knowledge sharing across teams

• At least 7 years of commercial software development experience
• Minimum 3 years of experience in architecture or technical leadership roles
• Strong hands-on expertise in at least two of the following technologies: Golang, Rust, Node.js, C++
• Proven experience designing high-load, low-latency distributed systems and cloud-native architectures
• Strong understanding of microservices architecture, messaging systems, caching, and API design principles
• Hands-on experience with Docker, Kubernetes, Helm, and etc.
• Production environments on AWS, GCP, or Azure
• Experience with REST APIs, gRPC, WebSockets, and event streaming technologies such as Kafka, Kinesis, or Pub/Sub
• Experience participating in customer-facing technical consulting and pre-sales activities
• Strong communication, presentation, and stakeholder management skills
• Ability to work independently and drive technical initiatives in fast-paced environments
• At least an Upper-Intermediate level of English

WOULD BE A PLUS 

• Commercial experience in the AdTech domain
• Knowledge of programmatic advertising ecosystems, including SSPs, DSPs, AdServers, Header Bidding, OpenRTB, Prebid, and VAST
• Understanding of Real-Time Bidding systems and auction mechanics
• Experience with mobile advertising ecosystems for iOS and Android
• Experience designing SDKs, APIs, libraries, or integration frameworks
• Familiarity with advertising analytics, fraud detection, consent management, and real-time data processing solutions
• Understanding of GDPR, CCPA, and privacy-first architectures

PERSONAL PROFILE

• Strong architectural thinking and ability to see the bigger technical picture
• Excellent communication and presentation skills with the ability to explain complex technical concepts to different audiences
• Strong ownership mindset with a proactive and solution-oriented approach
• Customer-oriented mindset and ability to build trusted relationships with stakeholders
• Leadership and mentoring skills with a focus on knowledge sharing and team development
• Collaborative, adaptable, and quality-focused approach