Senior Software Engineer - Backend (Store Rollout & Observability)

Tesco Technology; Kraków; Hybrid; PLN 290,160 - 368,280; Full time

Benefits offered by this job

Private healthcare

MacBook

Learning opportunities

Additional paid leave

Referral Bonus

Job summary

Tesco Technology is seeking a Senior Software Engineer in Kraków to design, build, and operate observability capabilities for deployment workflows and store health across thousands of retail locations. You will work with deployment, platform, and operations teams to ensure proactive issue detection and data-driven operations.

The role emphasizes metrics, logging, tracing, SLIs/SLOs, and scalable telemetry across cloud and edge components, with hands-on CI/CD and testing.

Qualifications

• 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.

Responsibilities

• 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 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

Analytical thinking

Problem solving

CI/CD

OpenTelemetry

Event-driven systems

System design

Tools

Kubernetes

Docker

Prometheus

Grafana

Victoria Metrics

New Relic

OpenTelemetry

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.

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

• 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 & Multispor t
• Additional 4 days of paid leave to support your well‑being and family life
• Increase in annual leave (from 20 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 activities with a personal trainer in the office
• Referral Bonus
• MacBook as your tool for work

If that sounds exciting, then we'd love to hear from 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.

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.

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

Discover how our colleagues shape Tesco’s tomorrow.