Principal Solution Architect (Enabling Functions - Colleague) @ Tesco Technology

Tesco Technology

Kraków

Hybrid

PLN 260,000 - 420,000

Full time

14 days+

A complete application in a minute

Tailored resume and cover letter, ready to send.

Get past ATS filters

Benefits offered by this job

Up to 45% yearly bonus

Car allowance

Permanent contract from go-live

Private healthcare (LuxMed)

Cafeteria & Multisport

Additional 4 days paid leave

Increased annual leave to 25 days

Udemy learning platform

Back-to-school day for parents

Fertility leave support

Office amenities and modern setup

Job summary

Tesco Technology in Kraków is seeking a senior software engineer to lead architecture across multiple systems. You will mentor engineers, drive design decisions, and collaborate with product and business stakeholders to shape roadmaps and ensure scalable, secure solutions.

The role emphasizes hands-on JS/TS with React and Node.js, microservices, and cloud/DevOps practices. This is a hybrid position with 60% in-office collaboration near Kraków and 40% remote work.

Qualifications

10+ years in software development in senior roles.
Hands-on JS/TS, React, Node.js proficiency.
Strong microservices, REST APIs and event-driven systems knowledge.
Cloud experience (Azure preferred), Docker, Kubernetes.
CI/CD, test automation, and infrastructure-as-code expertise.
Experience building scalable web/mobile apps in enterprise settings.

Responsibilities

Drive architecture and design across multiple systems.
Collaborate with product managers, architects, and stakeholders.
Introduce new tools and approaches to improve speed and quality.
Mentor engineers and promote best practices.
Oversee evolution of core platforms and integrations.
Ensure high availability and data integrity through DevOps practices.

Skills

10+ years

JavaScript/TypeScript

React

Node.js

Microservices

Azure

Docker

Kubernetes

CI/CD

Test automation

REST APIs

Distributed systems

Tools

Spring Boot

Kafka

JMS

NoSQL

AWS

Azure Pipelines

Kubernetes

Job description

Experience and Skills:

10+ years in software development with proven experience in a senior or principal engineering role.
Strong hands‑on expertise in JavaScript / TypeScript, React, Node.Js
Strong understanding of microservices architecture, RESTful APIs, event‑driven systems, and distributed computing.
Experience working with cloud platforms (preferably Azure), Docker, Kubernetes.
Hands‑on knowledge of CI/CD pipelines, test automation, and infrastructure‑as‑code.
Proven experience designing and building scalable mobile and web applications with a focus on usability, performance, and responsiveness.
Demonstrated ability to operate effectively in large, enterprise environments.
Familiarity with enterprise HR or colleague‑focused systems is a plus (e.g., Oracle HCM, Zellis).

Soft Skills:

Passion for building technology that improves the colleague experience.
Strong communication and stakeholder engagement skills.
Strategic thinker with a pragmatic, delivery‑focused mindset.
Comfortable navigating ambiguity and driving change across complex environments.

What is in it for you

Hybrid working

We know life looks a little different for each of us. That’s why at Tesco, we always welcome chats about different flexible working options. Some people are at the start of their careers, some want the freedom to do the things they love. Others are going through life‑changing moments like becoming a carer, adapting to parenthood, or something else. So, talk to us throughout your application about how we can support. This role requires you to be based in or near Kraków, as you will spend 60% (3 days) of your week collaborating with colleagues at our office locations or local sites and the rest remotely.

Our benefits

Tesco is a diverse and exciting employer, dedicated to being #aplacetogeton, providing career-defining opportunities to all of our colleagues. If you choose to join our business, we will provide you with:

Up to 45% yearly salary bonus – based on both individual and business performance
Car allowance
Permanent contract from the go – as a sign of our trust in your abilities
Tax‑deductible expenses (IP)
Private healthcare (LuxMed)
Cafeteria & Multisport
Additional 4 days of paid leave to support your well‑being and family life
Increase in annual leave (from 20 to 25 days) for those not yet eligible for the full holiday entitlement
Learning opportunities – certified technical training and a learning platform (Udemy)
Back‑to‑school day – 1 day off for parents of primary school children
Fertility leave – up to 2 weeks of paid leave for IVF treatment
Sports activities with a personal trainer in the office
Referral bonus
MacBook as your work tool
PetHelp – support and care for your pets

About us

Our colleagues work with one goal in mind, helping to make every day a little better for our customers, colleagues and communities all over the world. No two customers are the same, neither are our colleagues.

At Tesco, we champion a balance that lets you thrive both in and out of work. Spend 60% of your week collaborating with colleagues at our office locations or local sites and the rest remotely. Whether you’re just kicking off your career, juggling passions, or navigating big life events, we’re here to support you.

Tesco is committed to celebrating diversity and everyone is welcome at Tesco. As a Disability Confident Employer, we’re committed to providing a fully inclusive and accessible recruitment process, allowing candidates the opportunity to thrive and inform us of any reasonable adjustments they may require.

What our colleagues like the most at Tesco

We develop our own products
We make an impact; large scale of operation
Accountability and respect are given to us
We cooperate and support each other
There are great colleagues who are divided into small teams here
We can develop and learn new things

Responsibilities

Technical Leadership: Drive architecture and design across multiple systems, ensuring scalable, secure, and maintainable software solutions.
Cross-functional Collaboration: Partner with product managers, architects, and business stakeholders to understand colleague needs and shape technology roadmaps accordingly.
Innovation: Introduce new tools, frameworks, and approaches that enhance development speed, quality, and performance across the colleague tech space.
Team Empowerment: Mentor and guide software engineers and tech leads across squads; promote engineering best practices and continuous improvement.
System Ownership: Lead the evolution of core colleague platforms, including integrations with internal services and third‑party systems.
Operational Excellence: Ensure high system availability, performance, and data integrity through robust DevOps practices and incident management.

Requirements