Senior Back-end Engineer, Accessibility Product House

Job not on LinkedIn

🕒 August 20

🇵🇱 Poland – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 10%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Sigma Software Group

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 2002

💼 Consulting

🏥 Healthcare

🚘 Automotive

Consulting • Healthcare • Automotive

Sigma Software Group is a multinational company, established in 2002, that specializes in providing high-quality software development, graphic design, testing, and support services. The company focuses on delivering solutions across various industries such as automotive, telecommunications, aviation, advertising, gaming, banking, real estate, and healthcare. Sigma Software values professional growth, offers remote work opportunities worldwide, and caters to world-renowned clients like AstraZeneca, Scania, and SAS. The company emphasizes a culture of continuous education, mentorship, and flexible work environments, making it a preferred workplace for IT specialists aiming to work on complex solutions utilizing cutting-edge technologies. Sigma Software is committed to innovative solutions and engineering the future while also contributing to social causes such as charitable work in Ukraine.

📋 Description

• Design and implement scalable, distributed Back-end solutions for a SaaS platform • Architect and deliver complex systems focused on accessibility compliance and platform scalability • Develop and maintain microservices and cloud-native applications • Plan, execute, and support large-scale software delivery pipelines • Monitor system health, troubleshoot production issues, and optimize service performance • Research, evaluate, and integrate modern technologies into the Back-end ecosystem • Collaborate with cross-functional teams on architecture evolution and technical strategy • Contribute to infrastructure and SaaS architecture decisions • Improve reliability, scalability, observability, and maintainability of distributed systems • Utilize AI-assisted development practices and tools within the software delivery lifecycle • Participate in code reviews, technical discussions, and engineering best practices initiatives

🎯 Requirements

• 5+ years of experience as a Software Engineer • At least 1 year of extensive AI SDLC experience • Strong Back-end development experience in at least 2 programming languages, including Golang (primary), Kotlin, or other JVM-based languages • Hands-on experience with AI coding tools such as Claude Code, Cursor, Microsoft Copilot, or similar • Proficiency with at least one major cloud provider such as GCP, AWS, or Azure, including serverless and container-based deployments • Some experience with Elasticsearch and BigQuery • Familiarity with multiple data stores and services including SQL, NoSQL, Elasticsearch, BigQuery, etc. • Proficiency with at least one messaging or streaming system such as Kafka, Flink, Spark, Pub/Sub, or RabbitMQ • Knowledge of high-scale stream and batch processing systems including Flink, Spark, and Kafka • Strong background in microservices architecture, distributed systems, serverless solutions, and high-scalability systems • Familiarity with production monitoring and performance optimization • Familiarity with CI/CD pipelines and deployment processes • At least Upper-Intermediate level of English • Independent and proactive mindset • Strong problem-solving skills • Passion for learning and adopting new technologies • Excellent communication and collaboration skills • Team-oriented attitude with commitment to high-quality delivery • Ability to work effectively in a fast-paced and evolving environment

🏖️ Benefits

• Remote work • Opportunities to influence technical strategy • Work with modern technologies • Growth within an international engineering community • Long-term collaboration opportunities