Full-stack Engineer

• Consultar en áreas de ingeniería de software
• Actuar como asesor técnico de confianza
• Diseñar el ciclo de vida y procesos de desarrollo de software
• Recomendar decisiones y revisar la arquitectura de soluciones de software
• Definir estándares y mejores prácticas de arquitectura
• Asegurar la consistencia entre arquitecturas empresariales

Software Factory Architect – SOFA ARCH

• Design, develop, and maintain high-quality software applications using C# and the .NET framework
• Enhance and evolve public cloud-based customer experiences, ensuring performance, scalability, and reliability
• Apply best practices and coding standards to deliver clean, maintainable, and scalable code
• Investigate, troubleshoot, and resolve issues reported by customers and internal stakeholders
• Participate in code reviews to uphold engineering standards and improve overall code quality
• Ensure software reliability by implementing automated tests and validating end-to-end functionality
• Own the delivery lifecycle, taking features from development through successful production release

Software Development Engineer

• Designing, developing, and maintaining modern APIs and backend services
• Creating new software features within our existing product architecture
• Contributing to the evolution of scalable, maintainable, and secure software architectures
• Developing web-based applications and services using modern software technologies
• Leveraging AI-assisted development tools and practices to improve productivity, code quality, and innovation
• Contributing to engineering best practices, software quality, and development standards
• Supporting and maintaining the function domain and technology roadmap
• Participating in technical design discussions and architectural decision-making
• Coaching and mentoring colleagues within the software engineering community
• Collaborating with product management, UX, and other software teams to deliver customer value

Software Engineer

• Develop, maintain, and troubleshoot software solutions using C# ; experience with VB.NET and/or VB6 is an advantage
• Design, develop, optimize, and troubleshoot transactional database solutions using SQL, including stored procedures, functions, triggers, replication, and data integration; experience with SQL anywhere is an advantage.
• Build, maintain, and support applications leveraging legacy Windows technologies such as ODBC, Windows Services, COM+, MSMQ, and the Windows Registry.
• Provide advanced technical support to customers, Customer Success, and Technical Support teams by troubleshooting complex application, database, integration, and infrastructure issues, performing root cause analysis, and implementing effective resolutions.
• Develop and maintain containerized applications and deployment pipelines using Docker and Kubernetes.
• Contribute to the deployment, monitoring, and operation of cloud-based solutions hosted on AWS.
• Participate in software architecture, code reviews, and technical design discussions, promoting engineering best practices and continuous improvement.
• Support the modernization of legacy applications and migration of existing functionality to scalable cloud-native architectures.
• Facilitate knowledge transfer activities and create technical documentation to improve product supportability and operational efficiency.

• Build and maintain the React-based trading user interface.
• Implement dynamic, interactive interfaces for real-time data, including live order book updates, price feeds, and trade executions via WebSockets.
• Own component architecture, state management, and responsive design.
• Optimize rendering, minimize load times, and ensure smooth, low-latency interactions under heavy data loads.
• Collaborate closely with product and design teams to translate complex requirements into intuitive user interfaces.
• Design and maintain TypeScript services, including REST APIs, WebSocket servers, and background services.
• Design and deliver event-driven pipelines that ingest and process pricing and account data.
• Own REST and WebSocket API contracts (OpenAPI / AsyncAPI specs), ensure smooth data flow between frontend and backend, and maintain API documentation.
• Interact with on-chain data, index blockchain events, and bridge smart contracts with off-chain services.
• Develop and maintain comprehensive unit, integration, and end-to-end tests across frontend and backend systems.
• Uphold continuous integration (CI) quality gates and rigorous code review standards.
• Work closely with cross-functional teams, including product, design, and quantitative specialists.

Senior Fullstack Engineer

• Provide technical leadership and vision for the design and development of highly concurrent, distributed backend systems;
• Drive and own significant architectural decisions, ensuring scalability, reliability and maintainability across the platform;
• Lead performance optimisation initiatives and resolve the most complex system-level challenges;
• Set the standard for testing practices, including Unit, Integration and Smoke tests, enabling fully automated promotion of code to production;
• Define, evolve and enforce coding standards and engineering best practices across the team;
• Act as a technical mentor and leader, supporting the growth of engineers at all levels;
• Collaborate closely with product and engineering leadership to align technical strategy with business goals;
• Provide out-of-hours support as part of an on-call rota.

Staff Software Engineer

• Develop and maintain highly concurrent and distributed backend services;
• Contribute to architectural discussions and help shape technical decisions within the team;
• Design, develop and test new features with a strong focus on quality and reliability;
• Profile and optimise system performance, diagnosing and resolving issues proactively;
• Support the release and documentation of developed features;
• Estimate effort required to develop and implement solutions;
• Contribute to coding standards and development processes;
• Provide out-of-hours support as part of an on-call rota.

Software Engineer III

• Design and develop highly concurrent, distributed backend services with a focus on high availability;
• Take solid ownership of architectural contributions, driving technical decisions within and across teams;
• Lead performance optimisation efforts and proactively diagnose complex system issues;
• Design, develop and test new features, setting a high bar for quality and reliability;
• Support the release and documentation of developed features;
• Define and champion coding standards and development processes;
• Mentor and support more junior engineers within the team;
• Provide out-of-hours support as part of an on-call rota.

Senior Software Engineer

• Contribute to a Scrum team across all phases of the service lifecycle, including conception, design, development, testing, deployment, and operations
• Design and architect performant, scalable, and secure software with a strong focus on quality beyond basic requirements
• Apply object-oriented analysis, design, and programming principles, including SOLID principles and established design patterns
• Provide technical guidance to the development team to deliver high-quality, secure, and scalable software operating on large datasets
• Participate in code reviews to ensure quality and maintainability
• Develop and execute unit, integration, and static testing strategies
• Apply practical knowledge of AI-assisted SDLC frameworks and best practices
• Improve software development processes by recommending and driving changes
• Identify and automate repetitive processes and tasks
• Contribute to and enhance automated CI/CD deployment and upgrade workflows
• Use monitoring and observability tools to proactively identify and resolve issues
• Improve software quality and completeness while sharing knowledge across the team
• Troubleshoot issues, fix defects, and respond to client-specific problems
• Provide guidance and coaching to team members through knowledge sharing
• Participate in on-call support rotations (second-line support) after gaining relevant experience
• Support a learning culture and promote a healthy, collaborative work environment

• Improve the product experience by delivering high-quality features.
• Develop secure, well-tested, performant product features across React Native, React, GraphQL, and backend/service integrations.
• Work in a cross-functional team that collaborates closely with Product, QA, backend, mobile/desktop, cloud, and release/UAT partners.
• Own features end-to-end: clarify requirements, design the technical approach, implement, test, support release, and verify production behavior.
• Debug issues across the full stack, including frontend state, API contracts, backend services, event flows, logs, and third-party integrations.
• Bring a security and product mindset to device-related experiences, including enrollment, device posture, access control, policy behavior, and edge cases.
• Be proactive in suggesting pragmatic engineering improvements, architecture refinements, and best practices without overengineering.
• Maintain AI-native working surfaces: tests, documentation, prompts, scripts, and configuration that allow AI agents to work effectively with the codebase.
• Contribute to the team’s AI workflow improvements by creating and sharing skills, automation templates, prompts, and development best practices.

Senior Full Stack Engineer

• You will have a dedicated mentor and you will be fully involved in our teams' daily work activities, including code review, stand-ups and cooperation with other Syncron's specialists, i.e., Data Scientists, UX or software testers
• You will be assigned tasks with a real business value related to our core system: Inventory
• Learn how to design new functionalities and solutions to problems
• Implement in Java both back-end services and user-facing features
• Participate in development scope planning, issue prioritization and code reviews
• Work in a high-performing team using Agile and Scrum

Software Engineering Intern

• Own the technical architecture of the modular MES/MOM systems and industrial integrations.
• Lead hands-on software delivery across backend services, integration components, operational workflows, and data models.
• Define information flows between IFS Cloud/ERP, MES/MOM, engineering systems, quality systems, and shop-floor equipment.
• Design ERP integrations covering production orders, project structures, items, BOMs, routings, work status, labour, quality events, and traceability.
• Establish the digital thread between engineering definitions, manufacturing execution, quality gates, certificates, inspection evidence, and final equipment documentation.
• Define reusable machine and production-cell integration patterns using APIs, messaging, OPC UA, MQTT, edge gateways, and vendor interfaces.
• Define canonical manufacturing data models for items, BOMs, routings, operations, equipment, welds, materials, documents, and quality records.
• Build reliability and auditability into integrations, including idempotency, retries, replay, offline buffering, reconciliation, versioning, data lineage, and audit trails.
• Translate manufacturing processes into system workflows covering dispatching, work instructions, production reporting, downtime, punch lists, quality gates, and traceability.
• Support integration testing, FAT/SAT activities, commissioning, go-live, incident resolution, and operational handover.

MES/MOM Technical Lead

• Support and develop software engineers providing advice, mentoring, training, and educational opportunities
• Collaborate with designers and engineers
• Break down customer requirements into executable work for the team
• Communicate technical concepts clearly with stakeholders
• Deliver software features with quality by following agile scrum process
• Design, develop, and test software systems and applications for enhancements and new products
• Write code according to established coding specifications
• Investigate problem areas and follow the software development lifecycle
• Prepare and install solutions by designing system specifications, standards, and programming

• Join Architecture team to help build & scale Rho’s all-in-one finance platform
• Work with tech stack including Python, Go, GraphQL, gRPC, PostgreSQL, Docker, Kubernetes, GCP

• Build and maintain iOS applications using Swift and SwiftUI.
• Integrate AI-powered features through backend APIs.
• Design UX patterns for AI interactions, including loading states, streaming responses, retries, and fallbacks.
• Optimize performance, memory usage, and battery efficiency.
• Capture user signals and feedback to support AI evaluation and iteration.
• Collaborate closely with backend and ML engineers on API design and system behavior.
• Maintain high App Store quality, stability, and production reliability.

iOS Software Engineer

• Design scalable, maintainable architectures for new projects using modern fullstack technologies.
• Provide accurate technical estimates, identify risks, and create realistic project plans based on business realities.
• Develop robust, production-ready applications using Next.js, React, and complementary backend technologies (Node.js, TypeScript, etc.).
• Conduct code reviews, establish best practices. Set the technical direction and quality standards.
• Champion the adoption of AI-powered development tools (GitHub Copilot, Claude, etc.) to enhance productivity and code quality while maintaining best practices.
• Work with containerized environments (Docker, Kubernetes), cloud platforms (AWS, GCP, Azure), and implement CI/CD pipelines for seamless deployment.
• Establish and maintain quality standards including unit testing, integration testing, code coverage, and security best practices. Implement monitoring and observability solutions.
• Participate in client meetings, technical discussions, and RFP responses. Understand client requirements, propose solutions, and establish credibility as a technical expert.

Fullstack Architect – Contractor

• Build, test, deploy, and maintain backend services and platform capabilities
• Develop and integrate APIs using established service and architecture patterns
• Work with relational data stores and contribute to reliable data access and service integration patterns
• Contribute to event-driven and asynchronous workflows, including message-based processing and background jobs
• Run and support services across cloud and platform environments, including managed cloud services, containers, virtual machines, and other runtime models
• Use CI/CD and Infrastructure as Code workflows to deliver changes safely and repeatably
• Use logs, metrics, and traces to understand application behavior and diagnose production issues
• Participate in technical design discussions, ADRs, RFCs, and code reviews, asking questions and contributing practical implementation feedback
• Own defined areas of work and collaborate with more experienced engineers on broader architectural or cross-team decisions
• Use AI-assisted engineering tools to speed up development, improve testing, explore codebases, and investigate technical problems

• Responsible for overall solution design deployment, and quality assurance (portal and e-services).
• Assist with setting the product direction and be responsible for evaluating and incorporating emerging standards and new technologies.
• Participate in all phases of full life-cycle development of the project including requirements analysis, software design, software implementation, testing, deployment, training and user guide preparation.
• Employ best practices and a standardized IT methodology during the Analysis, Requirements and Detail Design phases.
• Execute and lead the preparation of all required technical documents, reports, plans and outputs as required by our customers.
• Design & develop IT Software (covering integrated process, applications, data, infrastructure, security & other technologies) to resolve business requirements.
• Responsible for technical planning, architectural development & modifications to specifications of all the application.
• Maintain the software application designs applicability and congruence to the business requirements.
• Assess the compatibility and integration of products/services proposed as standards in order to ensure an integrated architecture across interdependent technologies.
• Other duties as assigned.

Software Development Team Lead

• Build and ship full product features across frontend, backend, APIs and databases.
• Create customer and internal workflows for onboarding, accounts, payments, rewards, travel, FX, support automation, KYC and risk.
• Turn ambiguous product problems into working systems with clean UX and reliable backend logic.
• Work closely with product, design, mobile, backend and AI engineers to launch fast and improve after release.
• Build internal tools and automation that reduce manual work and help teams operate at scale.
• Own your work beyond release: monitor, debug, learn and improve.

Full Stack Engineer

• Act as a primary coordination point for Casino Engineering delivery and technical topics with Product and other Technology units.
• Work with Engineering Managers and leaders outside of Casino Engineering to coordinate shared initiatives and organisational dependencies.
• Translate engineering realities into clear, structured, and data-backed communication for technical and non-technical stakeholders.
• Ensure ongoing alignment between technical priorities, delivery execution, and business goals.
• Coordinate and structure delivery plans across Casino Engineering teams into a coherent, cross-team view, covering both product-driven and technical initiatives.
• Drive the ongoing maintenance of the Casino Engineering technical roadmap, including architecture evolution, platform improvements, resilience, and technical debt.
• Facilitate regular planning and alignment sessions with Engineering Managers, Principal Engineers, Product, and other stakeholders to review priorities, sequencing, and dependencies.
• Facilitate regular reviews of insights from observability and monitoring tools (e.g. reliability, performance, operational health), and ensure that resulting actions, improvements, and technical initiatives are reflected in Casino Engineering delivery plans and technical roadmaps.
• Ensure that the technical roadmap and delivery plans are consistently reflected in Jira, based on inputs and validation from Engineering Managers.
• Track progress across teams, identifying delivery risks, slippage, trade-offs, and dependencies early and working with Engineering Managers to address them.
• Support realistic planning by ensuring timelines, scope, and priorities are clearly understood and agreed.
• Support product and engineering prioritisation decisions by analysing delivery, technical, and business data, and translating inputs from Product and the wider business into clear, data-backed recommendations on sequencing and trade-offs.
• Work with Casino Engineering Managers to ensure consistent and effective use of productivity and delivery tools (e.g. Jira), including workflows, statuses, estimation approaches, and reporting.
• Establish, track, and evolve delivery and productivity metrics (e.g. throughput, predictability, flow, progress against plan) to provide meaningful insight.
• Analyse productivity and delivery data to identify trends, bottlenecks, and improvement opportunities.
• Prepare consolidated engineering status reports, delivery health views, and roadmap updates for leadership and stakeholders.
• Drive continuous improvement in engineering operations, planning practices, and ways of working across Casino Engineering.

Full-stack Engineer jobs in Poland

See all jobs on JobTailor

Software Factory Architect – SOFA ARCH

Software Development Engineer

Software Engineer

Software Engineer

Senior Fullstack Engineer

Staff Software Engineer

Software Engineer III

Senior Software Engineer

Senior Software Engineer

Senior Full Stack Engineer

Software Engineering Intern

MES/MOM Technical Lead

Senior Software Engineer

Senior Software Engineer

iOS Software Engineer

Fullstack Architect – Contractor

Software Engineer

Software Development Team Lead

Full Stack Engineer

Technical Delivery & Operations Lead – Casino Engineering