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Frontend Engineer

Frontend Engineer

Software Engineer - C++

Siemens

Athensfulltime

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Описание вакансии

We are Siemens
Siemens Digital Industries Software is a leading provider of solutions for the design, simulation, and manufacture of products across many different industries. Formula 1 cars, skyscrapers, ships, space exploration vehicles, and many of the objects we see in our daily lives are being conceived and manufactured using our software.

At Siemens Digital Industries Software, our Graph Lakehouse platform enables massively parallel analytics on some of the world’s largest and most complex knowledge graphs. Our technology sits at the intersection of high-performance databases, distributed systems, and large-scale graph analytics-powering insights across advanced engineering, data science, and enterprise intelligence.

We are looking for a Senior Software Engineer to help design and evolve the core execution engine and storage layer of this platform. In this role, you will work on parallel query execution, ACID-compliant storage, and performance-critical systems software, shaping a product that must scale reliably across modern compute environments.

Key Responsibilities

  • Design and implement high-performance query execution algorithms for massively parallel graph analytics.
  • Adapt and optimize sequential algorithms for multi-threaded and parallel execution.
  • Build and enhance an ACID-compliant, high-throughput storage layer for fast and reliable data access.
  • Analyze and optimize performance, scalability, and resource utilization across the database engine.
  • Collaborate with engineering peers to design, review, and evolve core system architectures.
  • Contribute to production-grade, maintainable, and well-tested code in a complex, high-scale system.

Qualifications

  • 7+ years' experience
  • Strong proficiency in C++ with experience building performance-critical systems software.
  • Demonstrated expertise in multi-threaded programming and concurrency.
  • Solid foundation in computer science fundamentals, including data structures, algorithms, and systems design.
  • Extensive experience developing software in Linux / Unix environments.
  • Exposure to databases, distributed systems, or compiler / OS internals.
  • Strong communication skills and the ability to quickly learn and apply complex technical concepts.

Join our Digital World
A collection of over 377,000 minds building the future, one day at a time in over 200 countries. We're dedicated to equality, and we welcome applications that reflect the diversity of the communities we work in. All employment decisions at Siemens are based on qualifications, merit, and business need. Bring your curiosity and creativity and help us Transform the every day!

Siemens is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

If you believe in technology with purpose and are interested in learning more about Siemens Digital Industries Software before you apply then check out our Mission / Vision and our software portfolio, meet the team and join our Talent Community today so that we can stay connected in the areas that interest you: www.siemens.com/careers/transformtheeveryday/

#DISWSIM

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Frontend Engineer

Embedded Software Engineer

INTRACOM DEFENSE

Koropifulltime

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Описание вакансии

**Join Our Team as an

Embedded Software Engineer

at Intracom Defense (IDE)**

About Us

Join
Intracom Defense (IDE)
, Greece's top tech defense company.

Our mission? To innovate, create, and deliver cutting-edge technology on a global scale.

At IDE, we research, design, develop, and manufacture groundbreaking products, systems, and solutions in sectors such as Tactical Communication and Information systems, Missile Electronics, Surveillance solutions, Hybrid Electric Power systems, Next-gen Unmanned Air and Sea platforms and disruptive technologies (such as Artificial Intelligence, Cyber Security).

As a key player in international defense, IDE is a registered NATO supplier and participates in international development and production programs, as well as in industrial cooperation programs for the defense sector.

Last but not least, IDE is a trusted and leading company in EU research and development programs, where research and innovation are the key elements for the upcoming technological breakthroughs.

In IDE we invest in people and technology!

We're not just about defense— we're about shaping the future!

📍
Location:
Koropi, [East] Suburbs

💻 Working Model:
Hybrid

🚀 Growth Opportunities:
Access to continuous learning, professional development, and career advancement pathways

📈
Reporting to:
Software Engineering Section Manager of the Engineering & Systems Department

Why you Should Join Us
:

We’re on the lookout for an
Embedded Software Engineer
who’s not just a talented professional but a business-oriented mastermind with the determination to cover the customer needs and the passion for making things happen. If you're ready to take the lead and drive innovation, IDE is where you belong.

What You ‘ll Be Doing:

  • Embedded software development of new features, coding, unit test, function test, integration, verification and documentation.
  • Ensuring timely deliveries.
  • Contributing to design/decision meetings (both functional and technical).
  • Undertaking software problem solving/debugging.
  • Coordinating and collaborating with other members of the software development team and technical experts.

What’s in it for You:

  • Friendly and Dynamic Working Environment.
  • Competitive Remuneration package directly dependent on the candidate's qualifications and experience.
  • Opportunities for Continuous Learning of state-of-the-art technology and career development.
  • Private Health Insurance.
  • Corporate transportation from metro stations.
  • Onsite dining facilities.
  • Work-Life Balance initiatives.

Qualifications & Experience

Required:

  • Bachelor's Degree in Electrical Engineering, Computer Engineering, Computer Science or related discipline.
  • Experience in C/C++ programming.
  • Experience with Real-Time Operating Systems (RTOS).
  • Experience with software development lifecycle tools.

Desired:

  • Experience in Linux user space or kernel mode programming and in Linux development ecosystem.
  • Experience in networking/protocol programming.
  • Experience in communication protocols I2C, SPI, U(S) ART, Can-Bus, Mod-Bus, etc.

Key Competencies:

  • Strong analytical and problem-solving skills.
  • Willingness to take initiative and motivation to drive results.
  • Very good planning and time-management skills.
  • High sense of accountability and great ability to work effectively both independently and within a team.

Ready to Join Us?

At IDE, you’re not just taking a job—you’re stepping into a career where you can grow, innovate and make a difference.

If you are ambitious, and ready to take on the challenge, we want to hear from you!

All applications will be treated with strict confidentiality.

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Frontend Engineer

FRONT-END DEVELOPER

Think Plus

Marousifulltime

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Описание вакансии

We are looking for a Front-end Developer to help in developing enterprise-grade web applications and e-commerce solutions. You will be part of a talented team of software engineers who work on novel solutions to unlock the full potential of the digital world. You will be joining a dynamic working environment where creative solutions are encouraged. 

Tasks

  • Collaborate with Product Designers, Product Managers, and Software Engineers to deliver well-designed, efficient, and scalable code.

  • Contribute in all phases of the development lifecycle: requirements, design, implementation, testing, deployment, and debugging.

  • Architect efficient and reusable front-end components that underpin modern web applications.

  • Identify and resolve performance and scalability issues.

  • Build reusable code and libraries for future use.

Requirements

  • 3+ years of work experience developing web applications and front-end systems.

  • Strong understanding of HTML5, CSS/SASS, Bootstrap, jQuery and JavaScript.

  • Strong understanding of the Vue or React frontend framework.

  • Good understanding of asynchronous request handling, partial page updates, and AJAX.

  • Excellent knowledge of code versioning tools (Git).

  • Have experience with GraphQL Admin API

  • Have experience with Liquid

Benefits

  • Competitive salary.

  • Flexible working hours.

  • Opportunities for progression.

  • The Apple gear that makes you happy.

  • Open and friendly colleagues and an inspiring workspace.

  • You’ll be working with prestigious clients from industries such as fashion, sport, technology and beauty.

At Think Plus, we're on a mission to solve the biggest, most intractable challenges of enterprise-grade web applications and e-commerce solutions. If you share our passion for new technologies and implementing them for the most sophisticated customers, you’ve met your match. Headquartered in Athens (Greece), we're growing fast, with teams in Munich (Germany), London (UK) and Pune (India). So join us, and let’s build this!

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Frontend Engineer

Senior Software Developer

IKNOWHOW SA

Athensfulltime

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Описание вакансии

iKnowHow Group is a dynamic, international technology company with 24+ years of experience and a team of 300+ talented professionals delivering innovative technology solutions across Energy, Telecommunications, Banking & Financial Services, and the Public Sector.

Through its specialized subsidiaries, it brings domain expertise in areas such as Health and Robotics—blending deep industry knowledge with advanced, future-ready technologies.

At its core, iKnowHow S.A. delivers end-to-end project development - both internal and client-facing - turning strategy into scalable, real-world solutions. Our portfolio spans Data & AI platforms, enterprise integration, cloud-native applications, and large-scale digital transformation initiatives, enabling leading organizations across the public and private sectors to evolve and grow.

We're looking for curious, driven people who want to create impact through technology—and grow with us.

As we continue to grow, we are seeking a skilled and motivated
Senior Software Developer
to join our support team.

Responsibilities:

  • Developing solutions (design, code, tests, documentation)
  • Collaborating with product managers to set the direction and goals
  • Leading the team of engineers to consistently deliver according to IT roadmap
  • Designing and reviewing technical solutions, as well as driving architecture definitions
  • Ensuring compliance to internal standards and practices
  • Presenting the progress and goals of the team
  • Contributing to the technical roadmap through architecture meetings, design documents

Requirements

  • Degree in Computer Science or relevant field
  • 4+ years of relevant engineering work experience
  • MSSQL databases
  • Excellent troubleshooting and web performance analysis skills
  • You shipped several projects with dependencies between teams
  • You have excellent coding abilities and experience with architectural patterns
  • You have a proven track record of building/leading a high-performing engineering team
  • You worked well in a highly collaborative environment
  • Strong communication skills both in Greek and English
  • Results oriented and able to deliver under pressure to short deadlines, while coping with changing priorities

Nice to have:

  • Postgraduate studies
  • Hands on experience with Azure AD, SharePoint
  • API Management Platform
  • Hands on experience with C#, VB, Cobol, REST APIs, .NET Core, WCF, ASP.NET, Silverlight
  • Insurance Domain knowledge and experience

Benefits

  • An attractive salary package
  • Private health insurance plan
  • Career development and growth opportunities
  • Continuous training via personalized seminars
  • An amazing private & open-office workspace in Athens
  • Stable and enjoyable working environment

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Frontend Engineer

Senior Fullstack Engineer (Flutter/Node.js) - Mobile Experience

Kpler

Athensfulltime

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Описание вакансии

At Kpler, we are dedicated to helping our clients navigate complex markets with ease. By simplifying global trade information and providing valuable insights, we empower organisations to make informed decisions in commodities, energy, and maritime sectors.

Since our founding in 2014, we have focused on delivering top-tier intelligence through user-friendly platforms. Our team of over 850 experts from 69 countries works tirelessly to transform intricate data into actionable strategies, ensuring our clients stay ahead in a dynamic market landscape. Join us to leverage cutting-edge innovation for impactful results and experience unparalleled support on your journey to success.

As a Senior Flutter Engineer you will strengthen the delivery capacity of the Mobile Experience crew within Kpler’s Application Platform tribe. The role centers on delivering high-performance, critical features for the MarineTraffic and Kpler mobile applications—serving millions of users—using Flutter and Dart. This large-scale environment requires a sharp focus on performance across the entire stack while upholding Clean Architecture standards.

You will join a pioneering squad at the forefront of AI-assisted engineering, where 100% of the code deployed is authored by AI under your orchestration. This is a highly modern environment designed for engineers who want to redefine software delivery by leveraging advanced AI tools to achieve unparalleled quality and velocity.

Working within a close-knit multidisciplinary squad (1 EM, 1 Tech Lead, 1 Mid-level Engineer, 1 PM, 1 Designer), you will lead mobile feature development and may also contribute to the evolution of our Node.js/TypeScript Backend-for-Frontend (BFF) as a secondary component to support the mobile experience. They will also help business teams become autonomous over their own functional scopes, acting as a key enabler of the crew’s platformisation strategy.

Key Responsbilities

  • Develop complex, production-ready features for the MarineTraffic and Kpler mobile apps, upholding and protecting the team’s Clean Architecture standards.
  • Participate in code reviews as a quality guardian, providing constructive feedback that elevates team standards.
  • Collaboratively design and evolve the mobile Backend-for-Frontend (BFF) using Node.js, TypeScript and GraphQL, ensuring the crew’s agility and reducing external dependencies.
  • Adopt and continuously improve engineering practices: CI/CD pipelines, GitOps, linters, Sonar, and peer review workflows.
  • Maintain and improve automated test suites (Unit, Integration, Contract) to uphold software quality.
  • Mentor peers within the squad and contribute to the Front-end Chapter to harmonise practices between Web and Mobile teams.
  • Support business teams in becoming autonomous over their functional scopes within the mobile apps, as part of the crew’s platformisation strategy.
  • Contribute to architectural discussions and incremental improvement initiatives with pragmatism and a collaborative mindset.
  • Maintain and optimize the LLM and AI integration stack (e.g., Cursor, Claude Code) to ensure the configuration and evolution of tools enabling agents to write code autonomously with a high degree of quality, adhering to all team standards (rules, commands, and architecture).

Requirements
Essential:

  • Solid hands-on experience building and shipping complex Flutter & Dart applications in production environments.
  • Familiarity with NodeJS/TS, and GraphQL API design.
  • Deep interest in Clean Architecture principles applied to mobile development.
  • Strong culture of Clean Code and a natural drive to write well-tested, maintainable software.
  • Bachelor’s degree in Computer Science, Software Engineering, or equivalent practical experience – no specific degree required; demonstrable expertise is prioritised.
  • Professional-level English (written and spoken) is required.

Desirable

  • Experience working in a platform engineering or inner-source context.
  • Experience working with GQL federation

We are a dynamic company dedicated to nurturing connections and innovating solutions to tackle market challenges head-on. If you thrive on customer satisfaction and turning ideas into reality, then you’ve found your ideal destination. Are you ready to embark on this exciting journey with us?

We make things happen
We act decisively and with purpose, going the extra mile.

We build
together
We foster relationships and develop creative solutions to address market challenges.

We are here to help
We are accessible and supportive to colleagues and clients with a friendly approach.

Our People Pledge

Don’t meet every single requirement? Research shows that women and people of color are less likely than others to apply if they feel like they don’t match 100% of the job requirements. Don’t let the confidence gap stand in your way, we’d love to hear from you! We understand that experience comes in many different forms and are dedicated to adding new perspectives to the team.

Kpler is committed to providing a fair, inclusive and diverse work-environment. We believe that different perspectives lead to better ideas, and better ideas allow us to better understand the needs and interests of our diverse, global community. We welcome people of different backgrounds, experiences, abilities and perspectives and are an equal opportunity employer.

By applying, I confirm that I have read and accept the Staff Privacy Notice

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Software Engineer - C++Siemens · Greece

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