Senior Software Engineer - Backend (Store Rollout & Observability)

Tesco Technology; Kraków; Hybrid; PLN 290,000 - 368,000; Full time

Benefits offered by this job

Up to 20% yearly salary bonus

Permanent contract from the go

Tax deductible expenses (IP)

Private healthcare (LuxMed)

Cafeteria & Multisport

Additional 4 days of paid leave

Increase in annual leave from 20 to 25

Learning opportunities

Back-to-school day – 1 day off

Fertility leave – up to 2 weeks

Sports activities with trainer

Referral Bonus

MacBook

Job summary

Tesco Technology in Kraków is looking for a Senior Software Engineer to design, build, and operate observability capabilities across thousands of retail locations. You will enable proactive detection, rapid troubleshooting, and data-driven reliability using OpenTelemetry, Prometheus, Grafana, and CI/CD pipelines.

Join a hybrid work setup, collaborating with deployment, platform, and operations teams to deliver scalable observability across the Retail Platform.

Qualifications

• 6+ years of software engineering experience.
• Strong Java development skills (Spring Framework).
• Analytical and data-driven mindset.
• Basic system design skills.
• Deep understanding of metrics, logs, traces, alerting strategies, and performance monitoring.
• Experience with OpenTelemetry.
• Knowledge of event-driven systems and event sourcing.
• Hands-on experience with CI/CD pipelines and automated testing.

Responsibilities

• Design and implement metrics, logging, tracing, and telemetry across cloud and edge components.
• Build monitoring pipelines, dashboards, and alerting frameworks that provide actionable insights into deployment health, device status, and store operations.
• Define and maintain SLIs, SLOs, and reliability metrics for mission-critical deployment services.
• Create operational analytics for deployment performance, software rollout progress, failure detection, and capacity planning.
• Integrate telemetry from cloud services, edge devices, deployment agents, and infrastructure components into centralized monitoring platforms.
• Build automated detection and root-cause analysis capabilities using modern observability practices and tooling.
• Develop self-service dashboards and reporting capabilities for engineering, support, and operations teams.
• Drive observability standards, instrumentation practices, and monitoring strategies across the Retail Platform ecosystem.

Skills

Java Spring

Observability

CI/CD

OpenTelemetry

Event-driven

Data analysis

System design

Monitoring

Tools

Prometheus

Grafana

Victoria Metrics

New Relic

Kubernetes

Docker

Job description

About the role

Overall, the team builds a robust, distributed deployment part of the Retail Platform that supports large-scale, low-bandwidth environments. The team is responsible for orchestrating and managing software rollouts across thousands of retail stores using cloud-native and edge-based solutions. As a Senior Software Engineer, you will design, build, and operate the observability capabilities that provide visibility into deployment workflows, store health, device status, and platform reliability across thousands of geographically distributed retail locations. You will work closely with deployment team, platform, and operations teams to ensure proactive detection of issues, rapid troubleshooting, and data-driven operational excellence.

You will be responsible for

• Design and implement metrics, logging, tracing, and telemetry solutions across cloud and edge components.
• Build monitoring pipelines, dashboards, and alerting frameworks that provide actionable insights into deployment health, device status, and store operations.
• Define and maintain Service Level Indicators (SLIs), Service Level Objectives (SLOs), and reliability metrics for mission-critical deployment services.
• Create operational analytics for deployment performance, software rollout progress, failure detection, and capacity planning.
• Integrate telemetry from cloud services, edge devices, deployment agents, and infrastructure components into centralized monitoring platforms.
• Build automated detection and root-cause analysis capabilities using modern observability practices and tooling.
• Develop self-service dashboards and reporting capabilities for engineering, support, and operations teams.
• Drive observability standards, instrumentation practices, and monitoring strategies across the Retail Platform ecosystem.

You will need

Mandatory skills:

• 6+ years of experience in software engineering
• Strong Java development skills (Spring Framework)
• Strong analytical and problem-solving skills with a data-driven mindset
• Basic system design skillset
• Deep understanding of metrics, logs, traces, alerting strategies, and performance monitoring.
• Experience with modern observability frameworks and standards such as OpenTelemetry
• Knowledge of event-driven systems and event sourcing patterns
• Hands-on experience with CI/CD pipelines and automated testing

Nice to Have:

• Familiarity with SQL databases and distributed systems concepts
• Knowledge of Kubernetes and Docker
• Experience in monitoring and observability tools.
• Hands-on experience with monitoring and visualization platforms such as Prometheus, Grafana, Victoria Metrics or New Relic.
• Experience troubleshooting complex distributed systems in production environments.

Whats in it for you?

Salary UoP 26 000 - 33 000 PLN gross/month

Hybrid work 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.

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 (for all):

• Up to 20% yearly salary bonus – based on both individual and business performance
• 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 leaveto support your well-being and family life
• Increase in annual leave (from20 to 25 days) to those not yet eligible for the full holiday entitlement
• Learning opportunities - certified technical training and learning platforms like 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 activitieswith a personal trainer in the office
• Referral Bonus
• MacBookas your tool for work

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

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. Want to get to know us better? Watch our team talk about our culture – YouTube

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