Software Architect

Sigma Software; Województwo mazowieckie; On-site; PLN 180,000 - 280,000; Full time

Job summary

Sigma Software is seeking a highly skilled Solution Architect to design and deliver cutting-edge AdTech platforms. You will lead architectural decisions for programmatic advertising, real-time bidding, identity resolution, and analytics, driving high-performance distributed systems for global clients.

The role involves guiding teams, collaborating with PMs, data experts, and stakeholders, and shaping next-generation AdTech solutions.

Qualifications

• 7+ years of software development experience.
• 3+ years in a technical leadership or architecture role.
• Experience designing high-load, low-latency cloud platforms.
• Hands-on with containers and orchestration (Docker, Kubernetes, Helm).
• Strong English communication skills.

Responsibilities

• Guide teams and drive architectural decisions across multiple initiatives.
• Support pre-sales activities and lead discovery phases.
• Evaluate technologies and propose scalable, compliant architectures.
• Translate business requirements into robust technical designs.
• Define standards, governance, and CI/CD expectations.

Skills

C++

Golang

Rust

Node.js

Distributed systems

High-load systems

Docker

Kubernetes

OpenRTB

English

Tools

Helm

CI/CD tooling

Job description

We are seeking a highly skilled Solution Architect to drive design and delivery of cutting-edge AdTech platforms and innovations.

This role offers the opportunity to contribute to impactful AdTech initiatives in programmatic advertising, real-time bidding, identity resolution, predictive analytics, and measurement. The focus is on developing advanced technical solutions that help global clients accelerate growth and unlock meaningful business value.

PROJECT

By joining our team, you will have the opportunity to work on a variety of AdTech initiatives that span programmatic advertising, real-time bidding, identity resolution, predictive analytics, and measurement. These projects are focused on developing advanced, high-value technical solutions that help our clients scale, grow, and evolve.

This role is well-suited for those who bring strong architectural thinking skills, experience with high-performance distributed systems, and the ability to translate complex technical concepts into clear ideas for diverse audiences. The environment is dynamic and collaborative, with daily interaction between engineers, PMs, data experts, product owners, and customer stakeholders who work together to build innovative solutions.

The responsibilities include guiding teams, driving architectural decisions, supporting pre-sales activities, leading discovery phases, evaluating technologies, and introducing forward-thinking approaches to address sophisticated AdTech challenges. This position involves working with mission-critical platforms that operate under extreme performance requirements, such as low latency, high load, and large volumes of data.

This role offers a unique opportunity to grow within a strong and supportive community of experts for those who enjoy solving complex technical problems, contributing to long-term partnerships, and shaping next-generation AdTech solutions.

Job Description

• Design, architect, and oversee the implementation of AdTech solutions, including SSPs, DSP integrations, ad servers, RTB pipelines, header bidding systems, identity frameworks, analytics pipelines, and auction engines
• Act as a technical driver across multiple initiatives, ensuring architectural consistency, quality, and scalability
• Stay up to date with evolving AdTech standards (OpenRTB, Prebid, VAST, GPP, TCF 2.2, UID2, RampID, etc.)
• Lead the discovery and assessment phases, including architecture reviews, gap analysis, and solution scoping
• Provide technical estimation, advisory services, PoCs, and support during pre-sale activities
• Translate complex business requirements into scalable and compliant technical architectures
• Define architectural standards, best practices, reference models, governance rules, CI/CD expectations, and operational guidelines
• Collaborate with development teams to ensure high-quality implementation and adherence to architectural decisions
• Provide recommendations for solution design, performance tuning, data modeling, and cost optimization
• Guide teams in building future-proof, maintainable, and scalable software components
• Mentor engineers, conduct knowledge-sharing sessions, and support professional growth of the team

Qualifications

• 7+ years of experience in software development
• 3+ years in a technical leadership or architecture role
• Strong proficiency in at least one of the following languages: C++, Golang, Rust, or Node.js
• Proven experience designing and building high-load, low-latency, and scalable cloud platforms
• Hands-on experience with containerization and orchestration (Docker, Kubernetes, Helm, etc.)
• Successful track record in consulting engagements, pre-sales activities, and client-facing presentations
• Strong understanding of distributed systems, performance optimization, messaging, caching, and API design
• Advanced level of English

WOULD BE A PLUS

• Experience in the AdTech domain (SSP, DSP, ad server, header bidding, OpenRTB, Prebid, VAST, user sync, identity solutions, audience data, measurement/attribution, etc.)
• Hands-on knowledge of real-time bidding systems and auction mechanics
• Familiarity with mobile ad delivery (iOS/Android)
• Experience designing SDKs, APIs, libraries, and integration frameworks
• Experience with ad integrations, analytics pipelines, consent management (TCF/GPP), and fraud detection
• Experience with Prebid ecosystem
• Understanding of privacy-driven architectures and GDPR/CCPA compliance principles