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Sigma Software

Global software development and IT consulting

Account Manager - Adtech

Account ManagementPosted on Nov 9
Full-timeWarsaw, PolandNo salary listedRemote

About the Job

Requirements

  • At least 5 years of experience in Project Management and/or Program Management.
  • Proven experience in Account Management within a service-based IT company.
  • Strong understanding of operational processes in European and US-based corporations.
  • A successful track record of developing and scaling customer accounts.
  • Hands-on experience creating, negotiating, and managing delivery contracts.
  • A strong commercial mindset and ability to identify business opportunities.
  • Excellent communication, stakeholder management, and negotiation skills.
  • Ability to build strategic long-term partnerships with customers.
  • Experience balancing customer expectations with operational capabilities.
  • An upper-intermediate or higher level of English.
  • A relationship-oriented and customer-focused mindset.
  • Strong ownership and accountability.
  • Strategic and business-oriented thinking.
  • A proactive and growth-driven approach.
  • Strong collaboration and conflict-resolution skills.
  • Ability to work effectively in a dynamic environment.

Responsibilities

  • Build and maintain long-term, trust-based relationships with customers.
  • Act as the primary point of contact for strategic account discussions.
  • Identify and drive growth opportunities within existing accounts.
  • Collaborate with delivery teams on upsell and cross-sell initiatives.
  • Monitor customer satisfaction and proactively mitigate risks.
  • Align customer expectations with operational and delivery capabilities.
  • Translate business needs into structured internal action plans.
  • Partner with Project Managers and delivery stakeholders to ensure transparency and predictability.
  • Support contract extensions, commercial negotiations, and account planning activities.
  • Contribute to long-term account development strategies.
  • Facilitate effective communication between customers and internal teams.
  • Drive continuous improvement in customer engagement processes.

Desired Qualifications

  • Experience in the AdTech domain.
  • Background working with distributed international teams.
  • Experience collaborating with executive-level stakeholders.
  • Understanding of the software delivery lifecycle and engineering processes.
  • Experience participating in pre-sales or business development initiatives.

About the Company

Sigma Software

Global software development and IT consulting

Sigma Software provides software development services and IT consulting to more than 170 clients worldwide. It builds large-scale software solutions and guides startups from concept to a ready product, across industries such as banking, automotive, advertising, telecommunications, cybersecurity, gaming, aviation, real estate, and healthcare. The company works by deploying teams of skilled engineers and consultants, delivering projects through global delivery centers and emphasizing clear communication, flexibility, and alignment with clients’ business goals. Sigma Software differentiates itself with recognition as a top outsourcing firm (IAOP World’s Top 100 Outsourcing), a wide geographic footprint, and the ability to take projects from idea through production for both established enterprises and startups. Its goal is to help clients achieve their business objectives by delivering reliable software products and expert IT advice on time and within scope.

Company size
1,001-5,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Stockholms kommun, Sweden
Founded
2002

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