senior front end developer

Amaris Consulting

Job description
 
We are seeking a skilled and motivated Frontend Developer to join our team in building modern, scalable, and high-performing web applications. You’ll be working with a talented group of developers and designers to craft intuitive and responsive user interfaces using the latest technologies, including ReactJS, TypeScript, and JavaScript.
 
Responsibilities: 
Develop and maintain user interfaces with ReactJS and TypeScript
 Collaborate with cross-functional teams to define, design, and deliver new features
 Write clean, maintainable, and testable code
 Participate in code reviews and continuously improve development practices
 Contribute to UI/UX improvements across our products
 
Requirements: 
7+ years of experience building modern web applications
 Proficiency in ReactJS, TypeScript, and modern JavaScript (ES6+)
 Solid understanding of HTML5, CSS3, and responsive design
 Experience with state management libraries such as Redux, Context API, or similar
 Familiarity with Git and version control workflows
 Strong problem-solving skills and a collaborative mindset
 
If you're passionate about building seamless web experiences with modern tools and want to be part of a team that values clean code and collaboration, apply now and let’s create something great together. Join us in a hybrid role from our Istanbul office, combining remote flexibility with on-site collaboration.
 
Amaris Consulting is committed to promoting diversity within its workforce and to creating an inclusive work environment. We review applications from all qualified individuals regardless of gender, sexual orientation, race, ethnicity, beliefs, age, marital status, disability, or any other characteristic. Special consideration will be given to candidates with disabilities.
 
Who are we?
 Amaris Consulting is an independent technology consulting firm providing guidance and solutions to businesses. With more than 1000 clients across the globe, we have been rolling out solutions in major projects for over a decade – this is made possible by an international team of 7,600 people spread across 5 continents and more than 60 countries. Our solutions focus on four different Business Lines: Information System & Digital, Telecom, Life Sciences and Engineering. We’re focused on building and nurturing a top talent community where all our team members can achieve their full potential. Amaris is your steppingstone to cross rivers of change, meet challenges and achieve all your projects with success.
 
At Amaris, we strive to provide our candidates with the best possible recruitment experience. We like to get to know our candidates, challenge them, and be able to give them proper feedback as quickly as possible. Here's what our recruitment process looks like:
 
Brief Call: Our process typically begins with a brief virtual/phone conversation to get to know you! The objective? Learn about you, understand your motivations, and make sure we have the right job for you!
 
Interviews (the average number of interviews is 3 - the number may vary depending on the level of seniority required for the position). During the interviews, you will meet people from our team: your line manager of course, but also other people related to your future role. We will talk in depth about you, your experience, and skills, but also about the position and what will be expected of you. Of course, you will also get to know Amaris: our culture, our roots, our teams, and your career opportunities!
 
Case study: Depending on the position, we may ask you to take a test. This could be a role play, a technical assessment, a problem-solving scenario, etc.
 
As you know, every person is different and so is every role in a company. That is why we have to adapt accordingly, and the process may differ slightly at times. However, please know that we always put ourselves in the candidate's shoes to ensure they have the best possible experience.
 We look forward to meeting you!

Frontend Developer (Hybrid)

Yolda Lojistik

<div>
 
 
 Geni&scedil;leyen ekibimiz i&ccedil;in &ccedil;al&inodot;&scedil;ma arkada&scedil;lar&inodot; ar&inodot;yoruz.
 
 
 
 
 
 
 
 G&ouml;rev ve Sorumluluklar
 
 
 
 
 
 
 * Mimari Geli&scedil;tirme: Y&uuml;ksek performansl&inodot;, s&uuml;rd&uuml;r&uuml;lebilir ve serverless mimariyi de kapsayan backend servisleri geli&scedil;tirmek.
 
 
 * Optimizasyon: API entegrasyonlar&inodot;n&inodot; ve veri y&ouml;netimi s&uuml;re&ccedil;lerini optimize ederek sistem verimlili&gbreve;ini art&inodot;rmak.
 
 
 * Teknoloji Stack Kullan&inodot;m&inodot;: TypeScript, Java, MongoDB ve kapsaml&inodot; AWS servislerini (Lambda, SNS, SQS, Cognito, CDK, DynamoDB, API Gateway) kullanarak geli&scedil;tirme yapmak.
 
 
 * S&uuml;rekli &Idot;yile&scedil;tirme: Mevcut sistemleri analiz ederek iyile&scedil;tirmeler yapmak ve teknik dok&uuml;mantasyon s&uuml;re&ccedil;lerini y&ouml;netmek.
 
 
 * Operasyonel Verimlilik: Serverless mimarilerle uygulama geli&scedil;tirerek operasyonel y&uuml;k&uuml; azaltmak ve &ouml;l&ccedil;eklenebilirli&gbreve;i sa&gbreve;lamak.
 
 
 * Koordinasyon ve &Idot;&scedil; Birli&gbreve;i: Gerekti&gbreve;inde frontend ekibiyle koordineli &ccedil;al&inodot;&scedil;arak sistem entegrasyonlar&inodot;n&inodot; sa&gbreve;lamak ve &ccedil;apraz fonksiyonlu ekiplerle yeni &ouml;zellikler geli&scedil;tirmek.
 
 
 
 
 
 
 
 
 
 Aranan Nitelikler
 
 
 
 
 
 
 * Backend geli&scedil;tirme s&uuml;re&ccedil;lerinde k&inodot;demli d&uuml;zeyde deneyim sahibi.
 
 
 * TypeScript ve Java dillerinde uzmanl&inodot;k.
 
 
 * AWS bulut servisleri ve Serverless mimari konular&inodot;nda derinlemesine bilgi.
 
 
 * NoSQL (MongoDB, DynamoDB) veri taban&inodot; y&ouml;netimi ve optimizasyonu konusunda tecr&uuml;beli.
 
 
 * Teknik dok&uuml;mantasyon olu&scedil;turma ve sistem iyile&scedil;tirme s&uuml;re&ccedil;lerine hakim.
 
 
 * Ekip &ccedil;al&inodot;&scedil;mas&inodot;na yatk&inodot;n ve farkl&inodot; disiplinlerle uyumlu &ccedil;al&inodot;&scedil;abilen.
 
</div>

Senior Backend Developer

Hitachi Energy

<div>
 
 The Opportunity
 
 
 
 Hitachi Energy is a pioneering technology leader that is helping to increase access to affordable, reliable, sustainable and modern energy for all. We help keep your lights on, the factories running, our hospitals and schools open. Come as you are and prepare to get better as you learn from others. Bring your passion, bring your energy, and plug into a team that appreciates a simple truth: Diversity + Collaboration = Innovation
 
 
 The quality and innovation of the engineering in our products, systems and service offerings keeps our customers ahead. Network Control provides leading network management and control systems for planned and unplanned outage management, generation, transmission and distribution management systems, SCADA and process control solutions for planning, forecasting and running day-to-day operations. Offerings comprise a broad range of solutions to address the most critical needs of utility and power companies.
 
 
 Our Engineering Team based in Istanbul is an ADMS (Advanced Distribution Management System) competence center delivering software solutions mainly for Power Distribution Companies within Turkey and abroad. Now, as part of our team growth, we are looking for a Front-End Software Engineer with strong experience in React and TypeScript to build the next generation of user interfaces for our SCADA/ADMS solutions.
 
 
 The work will consist of developing modern, intuitive, and high-performance UIs, helping our customers manage complex energy grids.
 
 
 
 How You Will Make Impact
 
 
 
 <ul>
 <li>
 Mainly, work as part of a project team to design, develop, and maintain the front-end for our Network Manager ADMS (SCADA/DMS/OMS) software.
 </li>
 <li>
 Develop responsive, data-intensive web applications using React and TypeScript.
 </li>
 <li>
 Collaborate closely with UX/UI designers to translate Figma designs and wireframes into high-quality, functional user interfaces.
 </li>
 <li>
 Work with backend engineers to consume REST APIs and services; basic knowledge of .NET is a strong plus.
 </li>
 <li>
 Manage source code, branches, and pull requests using GIT.
 </li>
 <li>
 Participate in workshops with customers and product owners to understand user needs and refine UI/UX requirements.
 </li>
 <li>
 Troubleshoot and debug front-end issues, ensuring high performance and reliability across browsers.
 </li>
 <li>
 Responsible to ensure compliance with aplicable external &amp; internal regulations, procedures &amp; guidelines
 
 
 </li>
 </ul>
 
 Your Background
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s or master&rsquo;s degree in software engineering, computer engineering, or equivalent acquired experience.
 </li>
 <li>
 2-7 years of proven experience as a Front-End Developer with strong proficiency in React and TypeScript.
 </li>
 <li>
 Strong experience with GIT for version control.Familiarity with UI/UX design tools, specifically Figma.
 </li>
 <li>
 A strong focus on delivering results on time with high quality.
 </li>
 <li>
 A creative mindset, combined with ability to seek information and knowledge of how to solve technical problems.
 </li>
 <li>
 People skills to work with international customers.
 </li>
 <li>
 Fluency in English and Turkish both written and spoken is a must.
 
 
 
 </li>
 </ul>
 
 More About Us
 
 
 
 We pride ourselves on offering a holistic range of competitive benefit programs to support your financial, physical and mental wellbeing and personal development. We want you to truly thrive with us &ndash; in work and out. For this role, depending on grade and experience, we offer the following employee benefits;
 
 
 <ul>
 <li>
 Access to a comprehensive wellbeing program,
 </li>
 <li>
 Private health insurance,
 </li>
 <li>
 Transportation allowance.
 
 
 </li>
 </ul>
 Hitachi Energy is a global technology leader in electrification, powering a sustainable energy future through innovative power grid technologies with digital at the core. Over three billion people depend on our technologies to power their daily lives.
 
 
 With over a century in pioneering mission-critical technologies like high-voltage, transformers, automation, and power electronics, we are addressing the most urgent energy challenge of our time &ndash; balancing soaring electricity demand, while decarbonizing the power system.
 
 
 Headquartered in Switzerland, we employ over 50,000 people in 60 countries and generate revenues of around $16 billion USD. We welcome you to apply today.
</div>

Software Engineer (Front-End)

Elit Klinik

<div>
 
 
 Biz Kimiz ?
 
 
 
 
 
 
 
 Elit Klinik'in dijital partneri olarak; sa&gbreve;l&inodot;k sekt&ouml;r&uuml;ne y&ouml;nelik projelerde g&ouml;rev alacak, TypeScript ve React ekosistemine h&acirc;kim bir Full Stack Developer ar&inodot;yoruz!
 
 
 
 
 
 
 
 Elegant, sundu&gbreve;u &ccedil;e&scedil;itli hizmetlerle Elit Klinik'in m&uuml;&scedil;terilerle bulu&scedil;mas&inodot;n&inodot; en &uuml;st d&uuml;zeye &ccedil;&inodot;karmak i&ccedil;in &ccedil;al&inodot;&scedil;maktad&inodot;r. Web Tasar&inodot;m ve Geli&scedil;tirme, Dijital Pazarlama ve Sosyal Medya, Dijital &Idot;&ccedil;erik, SEO, Tele Sat&inodot;&scedil; Dan&inodot;&scedil;manl&inodot;&gbreve;&inodot; ve M&uuml;&scedil;teri Temsilcili&gbreve;i gibi alanlarda uzmanla&scedil;m&inodot;&scedil; ekibimiz, m&uuml;&scedil;teri deneyimini &uuml;st d&uuml;zeye &ccedil;&inodot;karmak ve benzersiz bir hizmet sunmak ad&inodot;na elinden gelenin en iyisini yapmaktad&inodot;r.
 
 
 
 
 
 
 
 Neler Sunuyoruz?
 
 
 
 
 
 <ul>
 <li>
 
 Uluslararas&inodot; ekip
 
 </li>
 <li>
 
 D&uuml;z hiyerar&scedil;i &amp; h&inodot;zl&inodot; terfi
 
 </li>
 <li>
 
 Geli&scedil;im odakl&inodot;, yenilik&ccedil;i bir ortam
 
 </li>
 <li>
 
 E&gbreve;itim destekleri, ekip etkinlikleri
 
 </li>
 </ul>
 
 
 
 
 
 Aranan Nitelikler:
 
 
 
 
 
 <ul>
 <li>
 
 TypeScript kullanarak back-end servisleri (Express.js/Nest.js/Hono vb.) geli&scedil;tirme tecr&uuml;besi,
 
 </li>
 <li>
 
 React k&uuml;t&uuml;phanesini (veya React frameworklerini - Next.js/Remix/TanStack Start) kullanarak front-end uygulamalar geli&scedil;tirme tecr&uuml;besi,
 
 </li>
 <li>
 
 RESTful API'lar, MongoDB ve TSQL konusunda g&uuml;&ccedil;l&uuml; bir kavray&inodot;&scedil;,
 
 </li>
 <li>
 
 CI/CD deneyimi,
 
 </li>
 <li>
 
 Git kullan&inodot;m&inodot;,
 
 </li>
 <li>
 
 G&uuml;&ccedil;l&uuml; analitik ve problem &ccedil;&ouml;zme becerileri,
 
 </li>
 <li>
 
 Modern, temiz, okunabilir ve s&uuml;rd&uuml;r&uuml;lebilir kod kalitesi,
 
 </li>
 <li>
 
 &Idot;yi seviyede &Idot;ngilizce.
 
 </li>
 </ul>
 
 
 
 
 
 Sorumluluklar:
 
 
 
 
 
 <ul>
 <li>
 
 Belirtilen teknoloji stack&rsquo;i &uuml;zerinde temiz, s&uuml;rd&uuml;r&uuml;lebilir ve yeniden kullan&inodot;labilir kod geli&scedil;tirmek,
 
 </li>
 <li>
 
 Ekip i&ccedil;inde yaz&inodot;l&inodot;m geli&scedil;tirme standartlar&inodot;n&inodot;n belirlenmesi ve uygulanmas&inodot;na katk&inodot; sa&gbreve;lamak,
 
 </li>
 <li>
 
 &Idot;&scedil;levsel ve performansl&inodot; backend servisleri tasarlamak,
 
 </li>
 <li>
 
 Gerekti&gbreve;inde frontend taraf&inodot;nda (React/TypeScript) katk&inodot; sunmak,
 
 </li>
 <li>
 
 Tak&inodot;m &ccedil;al&inodot;&scedil;mas&inodot;na uyumlu olmak ve Jira &uuml;zerinden proje s&uuml;re&ccedil;lerini etkin &scedil;ekilde y&ouml;netmek,
 
 </li>
 <li>
 
 Kod incelemelerine aktif kat&inodot;larak kaliteyi art&inodot;rmak.
 
 </li>
 </ul>
 
 
 
 
 
 Arad&inodot;&gbreve;&inodot;m&inodot;z Nitelikler:
 
 
 
 
 
 <ul>
 <li>
 
 TypeScript
 
 
 ve
 
 
 Node.js
 
 
 ekosisteminde ileri seviye deneyim,
 
 </li>
 <li>
 
 Yukar&inodot;da belirtilen teknolojilerde uygulamal&inodot; tecr&uuml;be,
 
 </li>
 <li>
 
 &Ouml;l&ccedil;eklenebilir mimari tasarlama ve hayata ge&ccedil;irme becerisi,
 
 </li>
 <li>
 
 Agile/Scrum
 
 
 s&uuml;re&ccedil;lerine hakimiyet ve
 
 
 Jira
 
 
 deneyimi.
 
 </li>
 </ul>
 
 
 
 
 
 Lokasyon: &Idot;stanbul/Ka&gbreve;&inodot;thane (TamZamanl&inodot;/Ofis)
 
 
 
 
 Not: Full Stack/TypeScript tecr&uuml;besi olmayan adaylar&inodot;n ba&scedil;vurular&inodot; dikkate al&inodot;nmayacakt&inodot;r.
 
 
 
 
 
 
 
 &Idot;leti&scedil;im i&ccedil;in: insankaynaklari@elegantofis.com
 
 
 
 
 
</div>

Full Stack Developer

MINDPICKED

<div>
 
 MINDPICKED is a new generation recruitment firm providing companies solutions in their search for talent, and talents opportunities who wants to reach their potential.
 
 
 
 
 
 We specialize in middle and senior management recruitment in various sectors and countless job functions.
 
 
 
 
 
 We are looking for
 
 &ldquo;Mid Back End Developer&rdquo;
 
 in the cloud computing, system virtualization, and automation technologies domain for our client.
 
 
 
 
 
 
 Key Responsibilities:
 
 
 
 
 
 <ul>
 <li>
 Develop, test, and maintain backend microservices and APIs for Olympos, Sybelle, and Unified Suite platforms,
 </li>
 <li>
 Collaborate with Senior Developers and Architects to ensure modular, scalable, and fault-tolerant architecture,
 </li>
 <li>
 Implement data models, storage solutions, and caching mechanisms for high-throughput data systems,
 </li>
 <li>
 Integrate backend services with external systems (e.g., LDAP, NetBackup, Commvault, CloudStack APIs),
 </li>
 <li>
 Participate in code reviews, debugging, and optimization to ensure reliability and performance,
 </li>
 <li>
 Contribute to the design of API specifications (REST, gRPC) and maintain documentation,
 </li>
 <li>
 Implement authentication, authorization (RBAC), and licensing microservices aligned with Unified Suite standards,
 </li>
 <li>
 Work with QA and DevOps teams to support CI/CD pipelines, automated testing, and containerized deployments,
 </li>
 <li>
 Monitor and improve system performance, scalability, and resource utilization,
 </li>
 <li>
 Ensure adherence to security standards, best practices, and compliance requirements.
 </li>
 </ul>
 
 
 
 
 
 Qualifications:
 
 
 
 
 
 <ul>
 <li>
 3&ndash;5 years of professional backend development experience,
 </li>
 <li>
 Strong proficiency in Python or Go (Golang),
 </li>
 <li>
 Experience with microservice architecture and API development,
 </li>
 <li>
 Familiarity with PostgreSQL, TimescaleDB, or other relational/time-series databases,
 </li>
 <li>
 Hands-on experience with Docker, Kubernetes, and cloud-native environments,
 </li>
 <li>
 Understanding of message brokers (Kafka, RabbitMQ, or Redis Streams) for asynchronous communication,
 </li>
 <li>
 Experience integrating with identity and access management (IAM) or LDAP/AD systems,
 </li>
 <li>
 Solid understanding of version control (Git) and CI/CD practices,
 </li>
 <li>
 Strong problem-solving, analytical, and communication skills,
 </li>
 <li>
 Bachelor&rsquo;s degree in Computer Science, Software Engineering, or equivalent experience.
 </li>
 </ul>
 
 
 
 
 
 Nice to Have
 
 
 
 
 
 <ul>
 <li>
 Experience with automation, orchestration, or observability platforms,
 </li>
 <li>
 Exposure to Digital Twin architectures or data collection pipelines,
 </li>
 <li>
 Understanding of performance tuning, load balancing, and horizontal scalability,
 </li>
 <li>
 Knowledge of secure API design and data protection standards,
 </li>
 <li>
 Basic understanding of frontend technologies (React, TypeScript) for end-to-end awareness.
 </li>
 </ul>
 
 
</div>

Mid Back End Developer

Job description
 
We are looking for a Senior Java Developer to join our technology team and contribute to building scalable, high-quality software solutions. You will collaborate with cross-functional teams and play a key role in delivering impactful products throughout the development lifecycle.
 
Key Responsibilities: 
Design, develop, and maintain scalable and high-quality software solutions
 
Take full ownership of projects and drive them end to end
 
Collaborate with cross-functional teams including product, QA, and design
 
Mentor junior developers and contribute to technical decision-making
 
Requirements: 
Strong experience in Java and related backend technologies
 
Proven experience working on end-to-end (E2E) projects, from initial analysis to deployment and maintenance
 
Ability to own a project from A to Z, including design, development, testing, and production support
 
Solid understanding of software architecture, design patterns, and best practices
 
Experience with RESTful APIs, microservices, and database technologies
 
Familiarity with agile development methodologies
 
Nice to Have (Highly Preferred): 
Mobile application development experience (Android, iOS, or cross-platform)
 
Experience integrating backend services with mobile applications
 
Knowledge of CI/CD pipelines and cloud platforms
 
If you are a self-driven developer who enjoys taking responsibility and delivering complete solutions, we would love to hear from you.
 
Amaris Consulting is committed to promoting diversity within its workforce and to creating an inclusive work environment. We consider applications from all qualified individuals, regardless of gender, sexual orientation, race, ethnic origin, beliefs, age, marital status, disability, or any other characteristic.
 Special attention will be given to candidates with disabilities.
 
Who are we?
 Amaris Consulting is an independent technology consulting firm providing guidance and solutions to businesses. With more than 1000 clients across the globe, we have been rolling out solutions in major projects for over a decade – this is made possible by an international team of 7,600 people spread across 5 continents and more than 60 countries. Our solutions focus on four different Business Lines: Information System & Digital, Telecom, Life Sciences and Engineering. We’re focused on building and nurturing a top talent community where all our team members can achieve their full potential. Amaris is your steppingstone to cross rivers of change, meet challenges and achieve all your projects with success.
 
At Amaris, we strive to provide our candidates with the best possible recruitment experience. We like to get to know our candidates, challenge them, and be able to give them proper feedback as quickly as possible. Here's what our recruitment process looks like:
 
Brief Call: Our process typically begins with a brief virtual/phone conversation to get to know you! The objective? Learn about you, understand your motivations, and make sure we have the right job for you!
 
Interviews (the average number of interviews is 3 - the number may vary depending on the level of seniority required for the position). During the interviews, you will meet people from our team: your line manager of course, but also other people related to your future role. We will talk in depth about you, your experience, and skills, but also about the position and what will be expected of you. Of course, you will also get to know Amaris: our culture, our roots, our teams, and your career opportunities!
 
Case study: Depending on the position, we may ask you to take a test. This could be a role play, a technical assessment, a problem-solving scenario, etc.
 
As you know, every person is different and so is every role in a company. That is why we have to adapt accordingly, and the process may differ slightly at times. However, please know that we always put ourselves in the candidate's shoes to ensure they have the best possible experience.
 We look forward to meeting you!

Senior Java Developer (Hybrid)

Wide and Wise

<div>We are looking for a Frontend Developer to join our partner company!
This is a high-impact, ownership-driven position suited for experienced frontend engineers who enjoy shaping architecture, delivery processes, and the future of a product from the ground up.<h3 class="jobSectionHeader">
Key Responsibilities</h3><ul><li>
Develop and maintain cross-platform mobile applications using React Native (Expo) for both iOS and Android.</li><li>
Manage the full delivery lifecycle, including builds, testing, and publishing applications to the App Store and Google Play.</li><li>
Ensure high-quality, scalable, and maintainable frontend architecture across mobile platforms.</li><li>
Contribute to the development of a basic web back office using React.</li><li>
Collaborate closely with backend and product teams to deliver end-to-end features.</li><li>
Apply strong SDLC practices throughout development, release, and iteration cycles.</li><li>
Leverage AI-powered developer tools to improve development speed, code quality, and debugging.</li><li>
Take full ownership of frontend components from day one, with the opportunity to grow into a frontend lead role and build a team in later stages.</li></ul><h3 class="jobSectionHeader">
Qualifications</h3><ul><li>
Bachelor&rsquo;s degree in Computer Science, Engineering, or a related field.</li><li>
Minimum 3 years of professional experience as a frontend developer.</li><li>
Strong experience with React Native, preferably with Expo.</li><li>
Hands-on experience building and publishing apps for iOS and Android from a single codebase.</li><li>
Solid understanding of the delivery lifecycle, app releases, and production environments.</li><li>
Good working knowledge of React for web applications.</li><li>
Comfortable working in early-stage, fast-moving environments with high ownership.</li><li>
Curiosity and openness toward using AI tools in frontend development workflows.</li><li>
Previous experience in early-stage startups or leading frontend initiatives is a strong plus.</li></ul></div>

Frontend Developer

Explore 385+ Senior front end developer in Istanbul Turkey this January. Find roles across top companies and apply now to boost your career.