Senior Software Engineer, Core Experiences - Istanbul, Turkey

Would you like to be a part of our global team which turns dreams into reality?

ETi is full of opportunities for your competencies to get you in pursuit of your career! Join our team, apply for
Senior Artificial Intelligence Engineer
position and get beyond your own limits.

What is the Main Aim of This Position?

To design, develop, and implement enterprise Artificial Intelligence solutions that create measurable business value across Sales, Manufacturing, Supply Chain, Procurement, Finance, Human Resources, R&D, P&D, and Corporate Functions.

What We Expect from You?

• To collaborate with business stakeholders and cross-functional teams to understand business challenges, identify AI use cases, and deliver AI solutions that generate measurable business value,

• To design, develop, test, and deploy enterprise AI solutions including AI agents, copilots, reporting agents, analytical assistants, and Retrieval-Augmented Generation (RAG) applications,

• To develop AI solutions utilizing enterprise documents, databases, business applications, semantic models, APIs, vector databases, and enterprise knowledge repositories,

• To design and implement AI applications leveraging Microsoft Fabric, Azure AI ecosystem, and modern enterprise AI platforms,

• To develop and optimize Large Language Model (LLM) applications, Agentic AI solutions, prompt engineering techniques, AI orchestration workflows, and intelligent automation solutions,

• To develop machine learning, optimization, simulation, and Digital Twin solutions supporting Sales, Manufacturing, Supply Chain, R&D, P&D, and other business functions,

• To integrate AI solutions with enterprise applications such as ERP, MES, CRM, SCM, Microsoft Fabric, Microsoft 365, and other business platforms,

• To collaborate with Data Engineering, Data Analytics, Digital, and IT teams to ensure scalable, reliable, and production-ready AI solutions. Colloborate with solution partners as well as consultants cooperate on some solutions & deployments.

• To ensure AI solutions comply with enterprise architecture, Responsible AI principles, cybersecurity, governance, and data privacy standards,

• To contribute to reusable AI components, engineering standards, development best practices, technical documentation, and continuous improvement of enterprise AI capabilities,

• To stay current with emerging AI technologies including Large Language Models (LLMs), Agentic AI, reasoning models, multimodal AI, AI orchestration frameworks, and intelligent automation.

Why You?

• If you hold a bachelor's degree in Computer Science, Software Engineering, Industrial Engineering, Mathematics, Statistics, or a related field. A master's degree is considered an advantage,

• If you have
4-6 years of experience
in Artificial Intelligence, Machine Learning, Advanced Analytics, or Data Analytics,

• If you have hands-on experience designing and developing enterprise AI solutions using Large Language Models (LLMs), Agentic AI, Retrieval-Augmented Generation (RAG), prompt engineering, AI orchestration frameworks, and AI agent development,

• If you have experience with Microsoft Fabric, Azure AI Services, Azure OpenAI, or similar enterprise AI platforms,

• If you have strong programming skills in Python and SQL, along with experience in REST APIs, vector databases, machine learning libraries, and modern AI development frameworks,

• If you have experience developing and deploying enterprise AI applications from proof of concept through production,

• If you have experience integrating AI solutions with enterprise applications such as ERP, MES, CRM, SCM, Microsoft Fabric, Microsoft 365, or similar enterprise platforms,

• If you have knowledge of machine learning algorithms, optimization techniques, simulation methodologies, and AI engineering best practices,

• If you enjoy working collaboratively with business stakeholders and multidisciplinary technical teams to deliver innovative AI solutions,

• If you have FMCG and/or manufacturing industry experience, it will be considered an advantage,

• If you have excellent command of written and spoken English.

What Brings You at the Front?

•Being strongly result-oriented and making quick decisions,

•Being innovative and open to learning,

•Being a team player,

•Having improved presentation abilities,

•Having strong communication & negotiation skills,

•Having strong problem-solving and decision-making skills,

•Being able to reside in Eskisehir or İstanbul.

Apilex is an AI-native legal operating system that manages lawyers' entire legal workflows end to end, powered by AI systems purpose-built for each jurisdiction's legal framework. We bring legal research, drafting of pleadings and contracts, document analysis, and case preparation together in a single experience. We currently operate in France, Turkey, and Germany, and we aim to extend the growth we've achieved in our current markets to Brazil, Spain, and Italy.

We achieved this growth entirely bootstrapped, without raising any external investment, making us one of the fastest go-to-market success stories among Legal AI startups in the world. Since our founding, we've scaled our team to 120+ people, backed by a proprietary database of millions of court decisions and legal documents that turns days of legal research into seconds.

What sets us apart?
We don't use off-the-shelf AI. We build domain-specific, closed-circuit AI models with multi-layered verification systems that eliminate hallucinations and deliver answers backed by real citations and legal reasoning. Every feature we ship changes how lawyers work.

We are hiring a
Senior Backend Engineer
to design and scale the high-traffic microservices that form the backbone of our global legal AI platform.

Key Responsibilities

• Scalable Architecture:
  Design and develop high-traffic, scalable microservice architectures to support our expanding global footprint.
• Code Excellence:
  Raise the bar on code quality by leading code review processes and implementing best practices across the backend.
• Technical Leadership:
  Provide mentorship to the engineering team and guide technical decision-making for complex features.
• System Integration:
  Build and maintain reliable integrations between core services, AI agents, and large-scale data stores.
• Performance Optimization:
  Ensure system reliability and low latency across distributed services through efficient caching and messaging strategies.

What We’re Looking For

• 5+ years of backend experience building and scaling Java and Spring Boot applications in production
• Strong foundation in software architecture design including OOP and SOLID principles across various scales
• Hands-on experience with both PostgreSQL and MongoDB including the ability to design hybrid data architectures
• Deep knowledge of Elasticsearch or similar technologies for high-performance search and indexing
• Practical experience with messaging systems like RabbitMQ or Kafka and in-memory caching with Redis
• Solid understanding of WebSocket and real-time streaming architectures for distributed environments
• Direct experience with cloud platforms and building automated CI/CD pipelines
• Ability to ship high-quality code and iterate quickly rather than waiting for perfect conditions

Why join us?

Whatever your role, your work here will be visible and meaningful. We're a team that has grown without outside investment and achieved one of the fastest go-to-market successes in the space and we're looking for ambitious people who want to build the future of legal technology on a global stage.

This is Apilex. AI for Legal. Join us.

About Voodoo
Founded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 billion downloads, and over 200 million active users, Voodoo is the #3 mobile publisher worldwide in terms of downloads after Google and Meta. Our portfolio includes chart-topping games like Mob Control and Block Jam, alongside popular apps such as BeReal and Wizz.

Team

You will be an integral part of a newly established internal studio, a dynamic and focused team dedicated to one of our most promising prototype in scale. This studio is specifically chartered to improve this high-potential game up to the successful and market-ready title it is meant to become.

In this exciting role, your initial focus will be on one of our new Puzzle Games that have already demonstrated significant promise and captured our attention with their compelling core mechanics and engaging gameplay.

Role

We are looking for a senior Unity C# Game Developer who has been a primary contributor to the Game architecture, Feature development, and design for several casual games. You will collaborate with a variety of experts: Product Managers, Game Artists, Game Developers, Tech Engineers, Monetization Managers, Data Analysts...

• Work closely with small teams of Unity Game Developers and Artists
• Implement game logic and systems in C# using Unity
• Adapt and work within an existing code base, enhancing its functionality, stability and performance
• Provide guidance and share your expertise
• Ensure timely delivery of high-quality results

Profile

• Advanced Unity knowledge (3y+) including scripting in C#, UI systems, animation, particle systems, etc.
• A critical thinker and a problem solver with a keen eye for identifying problems in workflows and processes (and driving them to a resolution)
• Previous experience and exposure to the game production process (as part of a game dev studio or otherwise)
• Skilled in identifying performance bottlenecks and implementing optimisations, with a strong focus on memory management, frame rate stability, and reducing load times
• Experience with analytics-driven development and A/B testing in live games would be a plus
• Excellent communication skills and a strong teamwork mindset
• Good sense of gameplay experience and special attention to detail
• Speak and write English

Benefits

• Best in Class compensation
• Other benefits according to the country you reside.

At Cypher Games, code is more than just lines on a screen: it’s the foundation of unforgettable player experiences.

As a
Game Developer
, you’ll design and implement features that shape how players interact with our worlds. From gameplay systems to scalable architectures, your work will have a direct impact on fun, flow, and engagement.

If you’re passionate about mobile games, love solving complex problems, and want to create experiences enjoyed by a global audience, we’d love to have you on our team.

Responsibilities

• Design, develop, and implement game features from concept to release
• Write clean, sustainable, and modular code to build scalable systems
• Collaborate closely with teammates across disciplines to achieve shared goals
• Conduct code reviews and contribute to improving overall architecture and performance
• Analyze game mechanics to enhance player engagement and user experience
• Take ownership of projects, iterate on ideas, and bring new gameplay features to life

Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or related field
• Experience with Unity and C#
• Strong knowledge of OOP and software design patterns
• Familiarity with software architecture and scalable system design
• Passion for mobile games and delivering high-quality player experiences
• Strong problem-solving skills, communication, and a collaborative mindset

Bonus

• Experience in casual/mid-core game development
• Familiarity with native iOS/Android development

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.