Senior/Lead Software Engineer @ Addepto

Addepto; Polska; Remote; PLN 180,000 - 240,000; Full time

Job summary

A leading AI consulting firm in Poland is seeking a Senior/Lead Software Engineer to design robust, scalable software solutions. The ideal candidate will have over 5 years of experience in Java development and expertise in cloud-native architectures. This role involves providing technical leadership, integrating systems, and working on international projects. Benefits include flexible work arrangements, professional growth opportunities, and a supportive team environment.

Benefits

Flexible work arrangements

Career paths and training opportunities

Paid days off for contractors

Medical and sports packages

Qualifications

• At least 5+ years of proven commercial experience with Java development.
• Strong proficiency in Oracle database technologies, including performance tuning.
• Hands-on experience with Microsoft Azure services.
• Experience with Kafka for building event-driven architectures.
• Solid experience with Kubernetes for deploying and managing applications.
• Expert knowledge of Domain-Driven Design (DDD) principles.
• Exceptional analytical and problem-solving skills.
• Excellent verbal and written communication skills.

Responsibilities

• Lead the design and development of architectural solutions.
• Provide technical leadership throughout the project lifecycle.
• Evaluate and recommend appropriate technologies for business problems.
• Design and integrate diverse systems, including legacy platforms.
• Champion Domain-Driven Design principles.
• Drive adoption of Microsoft Azure services.
• Design and implement event streaming solutions using Kafka.
• Leverage Kubernetes for container orchestration.
• Create architectural documentation, including design specifications.
• Mentor junior architects and developers.

Skills

Java development

Oracle database technologies

Microsoft Azure

Kafka

Kubernetes

WebLogic Server

Domain-Driven Design (DDD)

RESTful APIs

Fluent English (C1 level)

Job description

Addepto is a leading AI consulting and data engineering company that builds scalable, ROI-focused AI solutions for some of the world’s largest enterprises and pioneering startups, including Rolls Royce, Continental, Porsche, ABB, and WGU. With our exclusive focus on Artificial Intelligence and Big Data, we help organizations unlock the full potential of their data through systems designed for measurable business impact and long-term growth.

Beyond client projects, we have developed our own product offerings born from real‑life client insights and challenges. We are also actively releasing open‑source solutions to the community, transforming practical experience into tools that benefit the broader AI ecosystem. This commitment to scalable innovation, proven ROI delivery, and knowledge sharing has earned us recognition by Forbes as one of the top 10 AI consulting companies worldwide.

We are looking for a visionary and hands‑on Senior/Lead Software Engineer to design and guide the implementation of robust, scalable, and secure software solutions. This role requires a deep understanding of both modern and legacy architectures, with a strong emphasis on integrating disparate systems and leveraging cloud‑native technologies. The ideal candidate will bridge the gap between business requirements and technical execution, ensuring our solutions are aligned with strategic goals and best practices.

Discover our perks and benefits:

• Work in a supportive team of passionate enthusiasts of AI & Big Data.
• Engage with top‑tier global enterprises and cutting‑edge startups on international projects.
• Enjoy flexible work arrangements, allowing you to work remotely or from modern offices and coworking spaces.
• Accelerate your professional growth through career paths, knowledge‑sharing initiatives, language classes, and sponsored training or conferences, including a partnership with Databricks, which offers industry‑leading training materials and certifications.
• Choose from various employment options: B2B, employment contracts, or contracts of mandate.
• Make use of 20 fully paid days off available for B2B contractors and individuals under contracts of mandate.
• Participate in team‑building events and utilize the integration budget.
• Celebrate work anniversaries, birthdays, and milestones.
• Access medical and sports packages, eye care, and well‑being support services, including psychotherapy and coaching.
• Get full work equipment for optimal productivity, including a laptop and other necessary devices.
• With our backing, you can boost your personal brand by speaking at conferences, writing for our blog, or participating in meetups.
• Experience a smooth onboarding with a dedicated buddy, and start your journey in our friendly, supportive, and autonomous culture.

What you’ll need to succeed in this role:

• At least 5+ years of proven commercial experience with Java development and strong proficiency in Oracle database technologies, including performance tuning and schema design.
• Extensive experience in designing and implementing solutions across both modern, cloud‑native architectures and legacy systems.
• Hands‑on experience with Microsoft Azure services, including but not limited to Azure Compute, Networking, Storage, Azure Application Gateway, and Azure Cache for Redis.
• Event streaming and messaging experience, strong understanding, and practical experience with Kafka for building event‑driven architectures, as well as traditional messaging systems like IBM MQ.
• Solid experience with Kubernetes for deploying and managing containerized applications.
• Experience with WebLogic Server for deploying and managing enterprise Java applications.
• Expert knowledge of Domain‑Driven Design (DDD) principles and their application in real‑world projects.
• Experience designing RESTful APIs and other integration patterns.
• Exceptional analytical and problem‑solving skills with the ability to troubleshoot complex issues across distributed systems.
• Excellent verbal and written communication skills, with the ability to articulate complex technical concepts clearly and concisely.
• Proven ability to lead and influence technical teams and stakeholders.
• Fluent English (C1 level) is a must.

Key Responsibilities:

• Lead the design and development of end‑to‑end architectural solutions, ensuring alignment with enterprise architecture standards, business requirements, and technology strategy.
• Provide technical leadership and guidance to development teams throughout the project lifecycle, from conception to deployment.
• Evaluate and recommend appropriate technologies, tools, and platforms to solve complex business problems, considering both cost and long‑term viability.
• Design and oversee the integration of diverse systems, including legacy platforms (WebLogic, IBM MQ) and modern cloud services.
• Champion Domain‑Driven Design principles to ensure solutions are modular, maintainable, and reflect core business domains.
• Drive the adoption and optimal utilization of Microsoft Azure services, including Application Gateway and Redis, ensuring high availability, scalability, and security.
• Design and implement event streaming solutions using Kafka, fostering asynchronous communication and real‑time data processing.
• Leverage Kubernetes for container orchestration, ensuring efficient deployment, scaling, and management of microservices.
• Define performance and scalability requirements and ensure architectural designs meet these non‑functional criteria.
• Create and maintain comprehensive architectural documentation, including design specifications, diagrams, and technical standards.
• Mentor and guide junior architects and developers, fostering a culture of technical excellence and continuous improvement.
• Effectively communicate complex technical concepts to both technical and non‑technical stakeholders.