Senior Software Engineer - Full Stack

Priority Pass; Poland; On-site; PLN 211,685 - 296,359; Full time

Job summary

Priority Pass is seeking a Senior Software Engineer in Poland to design and build cloud-native products with a modern TypeScript stack. The role involves extensive ownership of features, implementing CI/CD practices, mentoring junior engineers, and enhancing development workflows with AI tools. The ideal candidate has a degree in Computer Science, experience with AWS or Azure, and a passion for automated testing. The position promotes a high-trust, collaborative engineering culture.

Qualifications

• Degree or diploma in Computer Science or a related field.
• Experience with cloud platforms like AWS or Azure.
• Knowledge of automated tests and TDD principles.

Responsibilities

• Design and build cloud-native products from the ground up.
• Write clean, efficient code for frontend and backend services.
• Champion automated testing and CI/CD practices.

Skills

Cloud platform experience (AWS/Azure)

Software development in TypeScript

Event-driven architecture

Automated testing

CI/CD pipelines

Mentoring

Education

Degree in Computer Science or related field

Tools

Terraform

Kubernetes

GitHub Actions

Git

Jira

Confluence

Job description

Collinson is a global loyalty and benefits company, partnering with many of the world’s best‑known brands to create customer experiences that help them acquire, engage and retain choice‑rich customers. With more than 30 years of experience in over 170 countries and 2 500 colleagues in 20 locations worldwide, Collinson delivers smarter, more personal experiences that deepen customer loyalty for leading airlines, hotels, financial institutions and retailers.

About Collinson

Collinson specialises in Financial Services, Travel and Retail, and also supports clients across multiple sectors, working with over 90 airlines, 20 hotel groups and more than 600 financial institutions and banks. Clients include Accor Hotels, Air France KLM, American Express, British Airways, Cathay Pacific, Diners Club, Mandarin Oriental, Mastercard, Radisson Hotel Group, Sephora, Visa and Vhi, and solutions include Lounge Key and Priority Pass, the world’s best‑known airport experiences programmes, as well as many leading reward and loyalty initiatives

Purpose of the job

As a Senior Software Engineer, you will be a key member of a cross‑functional squad, designing and building cloud‑native, greenfield products from the ground up. You will take end‑to‑end ownership of features and new capabilities, working closely with a Product Manager, Engineering Manager and your teammates to deliver high‑quality software that is reliable, scalable and secure. You will be hands‑on every day: refining stories, writing code, reviewing pull requests and solving interesting technical problems. You will bring strong engineering practices into the team and help shape how software is built, becoming a trusted point of reference for others without having formal line‑management responsibility

We work with a modern TypeScript stack in a cloud‑native environment, with containerised deployments and a strong focus on automation, observability and AI‑enhanced development. If you enjoy solving complex problems, delivering high‑impact features and being part of a high‑trust, high‑autonomy engineering culture where different perspectives are valued, this role will give you the space and support to thrive

Key responsibilities

• Write clean, efficient and testable code for both frontend and backend services, owning complex features and services from design through to deployment
• Work closely with your squad (product managers, engineers, QAs) to refine requirements, scope technical solutions and deliver great software that serves real customer needs
• Champion automated testing and CI/CD by writing unit, integration and contract tests, and helping to make our systems robust, reliable and safe to change
• Build, deploy and monitor services in AWS using tools such as Terraform, Kubernetes and GitHub Actions
• Take responsibility for the health, performance and maintainability of the code and services you ship, including participating in on‑call or support rotas where appropriate
• Help evolve our engineering standards and practices by sharing knowledge, reviewing code and learning constructively from incidents
• Champion observability, using tools such as DataDog to monitor services, spot issues early and debug production problems
• Look for opportunities to improve development workflows using AI‑powered tooling and automation so that the team can focus on higher‑value work
• Act as a mentor and coach for less experienced engineers, supporting their growth and creating an inclusive, welcoming environment
• Develop in an Agile environment using tools such as Git, Jira and Confluence, with a mindset of collaboration, continuous improvement and psychological safety

Skills and experience preferred

• Degree, diploma or similar qualification in Computer Science, Information Technology or a related field
• Experience building and running production systems on a cloud platform such as AWS or Azure
• Comfortable developing software within an event‑driven architecture
• Experience with technical design and solution architecture for complex systems
• Deep knowledge of writing automated tests and applying the principles of
• TDD.Comfortable building and maintaining CI/CD pipelines (we use GitHub Actions) for code deployment, primarily using Terraform
• Able to take a problem and run with it, bringing a pragmatic, product‑focused approach to software delivery and collaborating openly as you go

Personal attributes

• Show initiative: self‑driven and accountable, taking ownership of problems end to end while knowing when to ask for input
• Innately curious: constantly learning, exploring new ideas and seeking a deeper understanding of technology, customers and the business
• Innovative: willing to think differently, suggest improvements and implement ideas that enhance our systems and ways of working
• Communicative collaborator: share openly, listen actively, work across teams and integrate feedback with empathy and respect
• Strong analytical and investigative problem‑solving skills, with a calm, structured approach when things go wrong
• Motivated to make a positive difference at both technical and operational levels, with a growth mindset about your own career
• Trusted to get things done without micro‑management, taking pride in the quality, readability and sustainability of your code