Senior Software Engineer I (Full-Stack, Reporting)

At SpotOn, we’re helping restaurants and small businesses compete and win with flexible payment and software technology—backed by real people who really care. From seamless point-of-sale systems to integrated restaurant management solutions, every SpotOn tool is designed to help local businesses increase profits and create better experiences for their customers and employees.  

Recently, SpotOn was:

• Named one of Fast Company’s Most Innovative Companies of 2024

• Awarded Great Places to Work and Built In’s Best Workplaces for the third year in a row

• Selected as the Best Overall Restaurant POS by NerdWallet 

• Rated the top-rated point-of-sale (POS) for restaurants, bars, retail, and small businesses by Capterra users

We’re committed to caring hard and moving fast so that we can continue to grow and make a positive impact together. 

That’s where you come in. 

As a Senior Software Engineer on our team, you'll be responsible for designing, building, and maintaining high-performance, scalable backend systems and data infrastructure. You will collaborate closely with cross-functional teams, including product management, engineering leadership, and data teams, to enhance existing platforms and develop innovative solutions for complex data-driven applications.

On a daily basis you will:

• Architect, develop, and maintain scalable software solutions for our reporting and analytics platforms.

• Design and implement data pipelines, ETL processes, and integrations using technologies like ClickHouse, PostgreSQL, Snowflake, MongoDB, Kafka, and AWS.

• Optimize SQL queries and improve database performance across large-scale, distributed systems.

• Contribute to defining and refining system architectures, including cloud infrastructure and containerization strategies.

• Implement robust monitoring, logging, and alerting solutions using tools like Grafana and OpenTelemetry.

• Mentor junior and mid-level engineers, promoting technical excellence and best practices.

What skill are we looking for?

• 5+ years of professional software engineering experience.

• Willing to come into our Kraków or Gdańsk office 2-3 times per week.

• Proficient in Python and/or Go; experience with TypeScript or JavaScript is highly beneficial.

• Extensive experience with databases and data warehouses such as ClickHouse, PostgreSQL, Snowflake, and MongoDB.

• Strong understanding of real-time data streaming and messaging systems, especially Kafka.

• Experience designing and implementing robust ETL pipelines and handling large-scale data migrations.

• Familiarity with cloud services, especially AWS, including IAM roles, S3, RDS, and MSK.

• Proven ability in performance tuning and optimization for high-volume, low-latency data systems.

• Comfortable with containerization technologies such as Docker and orchestration tools like Kubernetes.

• Strong experience with infrastructure as code (IaC) tools and best practices.

• Deep understanding of software development best practices, CI/CD pipelines, and DevOps methodologies.

Perfect candidate also has: 

• Location: Kraków.

• Experience in building frontend components or familiarity with React and Next.js.

• Knowledge of monitoring and observability tools, including Grafana and OpenTelemetry.

• Background or interest in data analytics, machine learning applications, and causal analysis.

• Experience in the restaurant or hospitality technology sector.

Here’s a bit about what we have to offer:

• Competitive pay: 18000 - 23500 PLN net on B2B; 15500 - 20000  PLN gross on CoE.

• Training budget 3500 PLN gross per year.

• Access to e-learning platforms (O’Reilly).

• Fully paid private healthcare in LuxMed.

• Access to the Worksmile platform with a monthly top-up.

• Company free breakfasts/lunches in the office once a week.

• Group English classes with a native speaker.

• New Macbook Pro, 4K monitors or whatever tools you need.

• Flexible working hours.

• New, modern, bright and comfortable office space in the city centre.

• A lot of free parking spots around the office.

• Access to the company’s library.

• Great working atmosphere.

• Chill out room with a PlayStation and games.

• Free snacks and beverages in a kitchen.

• Company parties and social activities.

• Employee referral program.

• Relocation Package within Poland.