Development Team Leader

Final date to receive applications: 30 July 2026

Department: Technology

Employment Type: Full Time

Location: Poland

Discover One Ocean:
One Ocean is a unified brand born from the integration of One Ocean and Ocean Technologies Group. Owned by Lloyd’s Register, an organization with more than 260 years of trust, integrity and leadership at sea, One Ocean combines agility and ambition of a fast‑moving innovator with the strength and stability of one of the world’s most trusted maritime institutions. At the heart of One Ocean is a portfolio unlike any other in maritime.

A comprehensive, integrated portfolio built on years of expertise, trusted by thousands of maritime professionals around the world.

Our mission is clear. In the race to zero emissions, our research, advisory and technical expertise and industry‑firsts are supporting a safe, sustainable maritime energy transition. Today we are a leading provider of classification and compliance services to the marine and offshore industries, helping our clients design, construct and operate their assets to accepted levels of safety and environmental compliance.

• Legacy & Innovation:
  We were created more than 260 years ago as the world’s first marine classification society to improve and set standards for the safety of ships.
• Global Impact:
  Our digital solutions are relied upon by more than 30,000 vessels, following the acquisition of One Ocean in 2022 and Ocean Technologies Group in 2024.
• Product Offering:
  Covering five proven product areas – learning, fleet operations, compliance, voyage planning and performance management – supporting our customers from ship to shore, from training and people operations, to voyage compliance and optimisation.

As a Team Leader you will be responsible for guiding a development team. You will lead by example, driving engineering excellence, ensuring delivery of high‑quality, scalable software. You will foster a collaborative and innovative team culture, working closely with other Team Leaders, Architects, and stakeholders. You will help shape technical direction, streamline delivery processes, and ensure alignment with business goals.

• Lead a team of Python developers, ensuring alignment on goals, quality, and delivery timelines.
• Mentor and coach team members to support their technical and professional growth.
• Drive engineering excellence by promoting best practices in coding, architecture, and testing.
• Plan and manage team capacity, sprints, and milestones to ensure predictable delivery.
• Collaborate with other Team Leaders, Development Managers, Architects, and Product Owners to align engineering execution with business objectives.
• Ensure effective adoption and execution of agile methodologies (Scrum/Kanban) within the team.
• Contribute to the evolution of development processes, CI/CD pipelines, and Dev Ops practices.
• Foster a culture of continuous improvement, innovation, and knowledge sharing.

• 7+ years of commercial software development experience.
• 2+ years leading Scrum teams with a solid grasp of Agile methodologies.
• Strong technical expertise in Python and object‑oriented programming.
• Experience in .NET ecosystem.
• Experience with microservices, distributed architecture, GraphQL, REST APIs, event buses, and message queues (RabbitMQ).
• Proficiency in Test‑Driven Development, unit, integration, and acceptance testing.
• Familiarity with SQL/No
  
  SQL (MsSQL, MongoDB), Docker, cloud platforms (AWS/Azure).
• Exceptional communication, teamwork, attention to detail, organizational, and leadership skills.
• An analytical mindset with a knack for leading by example.
• Ability to inspire, mentor, and lead by example.
• Experience with front‑end technologies (React, HTML, CSS, JavaScript, jQuery).
• Experience with CI/CD pipelines, Jenkins, and modern Dev Ops practices.
• Experience with AWS/Azure cloud environments.
• Familiarity with application performance monitoring tools.