Development Lead

Posted 7 Hours Ago
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Warsaw, Warszawa, Mazowieckie, POL
Hybrid
Mid level
Payments • Professional Services • Software • Travel
The Role
Leads end-to-end software product development, partnering with Product Management to deliver scalable travel booking solutions. Responsibilities include architecture, technical specifications, mentoring developers, agile delivery, quality and release metrics, testing, security, performance, system integration, deployments, proof-of-concepts, and continuous improvement. The role also addresses technical debt, customer pain points, team capability, and engineering best practices.
Summary Generated by Built In

In Goelett, we are an extraordinary mix of travel industry experts, product, and software engineers, developing a successful online booking tool for corporations and large organizations. Today, as a part of the sector leader S4BT Group, we support 500k+ business users making thousands of bookings a day.

We are seeking a Development Lead who will own end-to-end product development, lead agile Value Stream to deliver scalable solutions, and elevate team capability through hands-on mentorship and architectural excellence. As part of Goelett’s two-in-a-box model. The Development Lead works hand-in-hand with a Product Manager, sharing end-to-end ownership for delivery, KPIs, and team outcomes.

What you will be doing:

  • Own end-to-end product development for the squad- Design, guide, and deliver features that solve customer problems, working backwards from user needs to technical solutions.
  • Lead the Value Stream within the Goelett Product House, ensuring alignment with group engineering and product standards. Collaborate with Product Managers to set goals, manage sprints, drive and improve team metrics, and ensure quality delivery through effective mentorship of developers. Collaborate closely with QA teams in other locations to ensure continuous delivery and 12-hour development cycles.
  • Be accountable for key delivery metrics such as cycle time, release quality, and customer adoption.
  • Eliminate customer pain points - Fix bugs, analyze root causes, resolve technical debt, and address security, scalability, and performance issues to maintain product reliability and customer trust.
  • Drive technical excellence - Provide architectural guidance, design system components, prepare technical specifications, and develop comprehensive testing strategies to ensure quality at scale.
  • Validate and innovate - Perform technology analysis, proof-of-concepts, and system evaluations to identify opportunities and reduce risk before customer impact.
  • Deploy and scale solutions - Ensure seamless product deployment on existing environments while designing for future growth and evolving customer demands.
  • Build engineering capability - Foster best practices, share knowledge, and develop team skills to increase velocity and deliver customer value faster.

What we're looking for:

  • Experience in agile product development environment
  • 3+ years of team management and/or system design experience
  • Degree in Computer Science or equivalent education or experience
  • Extensive knowledge of used technologies (Backend: C#, .Net, Entity Framework, SQL; Frontend: JavaScript, HTML, CSS, SCSS, Angular JS, Angular)
  • Extensive knowledge of used tools (Visual Studio, MS SQL Server, Azure DevOps, Azure Cloud, Docker, Redis)
  • Extensive knowledge of topics in software design and architecture, software testing, system integration and system administration
  • Working knowledge of continuous integration / continuous delivery
  • Working knowledge of information security and privacy
  • Understanding of product management, UX/UI design, IT service management
  • Customer obsession
  • Agile expertise, systems thinking, and
  • Strong collaboration skills
  • Knowledge of the concept “Working Backwards”  

What you will have:

  • Opportunity to make an impact working for the top user-centric company in the travel business
  • Career sprints driving your development inside Goelett
  • The manager who will take care of your development and support you through the way
  • Birthday holiday (extra day off to celebrate with family and friends)
  • Volunteering day off - you will be able to make a mark and join our initiatives to support local communities, animals and planet
  • Medical care/Multisport
  • Language courses

Skills Required

  • Experience in an agile product development environment
  • 3+ years of team management and/or system design experience
  • Degree in Computer Science or equivalent education or experience
  • Extensive knowledge of C#, .NET, Entity Framework, SQL, JavaScript, HTML, CSS, SCSS, AngularJS, and Angular
  • Extensive knowledge of Visual Studio, MS SQL Server, Azure DevOps, Azure Cloud, Docker, and Redis
  • Extensive knowledge of software design and architecture, software testing, system integration, and system administration
  • Working knowledge of continuous integration and continuous delivery
  • Working knowledge of information security and privacy
  • Understanding of product management, UX/UI design, and IT service management
  • Customer obsession
  • Agile expertise and systems thinking
  • Strong collaboration skills
  • Knowledge of the Working Backwards concept
Am I A Good Fit?
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The Company
700 Employees
Year Founded: 2025

What We Do

S4BT is a major European provider of business travel technology solutions that brings together expertise, innovation, and scale to optimize hotel and travel bookings, payments, and other services. The group focuses on simplifying the travel experience for corporate clients, travel management companies (TMCs), and hotels across Europe, offering integrated solutions including hotel sourcing, booking tools, and ERP systems to drive growth.

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