Senior Full-stack (Next.js) developer

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Job Overview

TechMagic is on the lookout for a Senior Full-stack Developer specializing in Next.js and React to join their team. This position focuses on developing applications within the health industry, where the successful candidate will work on a significant web project aimed at reconstructing neuronal structures using advanced 3D deep learning technologies. The role is full-time and allows for remote work, making it a great opportunity for individuals looking to balance their professional and personal life while contributing to meaningful advancements in the healthcare field.

Responsibilities

As a Senior Full-stack Developer, you will be tasked with the following responsibilities:

  • Develop and maintain web applications using a variety of technologies, including JavaScript, TypeScript, Node.js, React.js, and Next.js.

  • Design and implement scalable APIs and backend services that integrate smoothly with the frontend.

  • Optimize search functionality and performance using tools such as Algolia, along with implementing real-time data fetching methodologies with SWR.

  • Implement advanced 3D rendering functionalities through Three.js, enhancing the visual representation of complex data.

  • Utilize Pyodide to enable Python code execution in the browser environment when necessary, catering to specific project needs.

  • Collaborate with Google Cloud Platform (GCP) services for deployment, storage, and scalability efforts.

  • Write clean, maintainable, and well-documented code, ensuring high standards of software quality.

  • Participate in agile ceremonies, including sprint planning and retrospective meetings, to foster a continuous improvement environment.

  • Ensure that all best practices regarding performance, scalability, and accessibility are followed diligently.

Required Skills

Candidates should possess the following skills and experience:

  • A minimum of 4 years in developing complex web solutions.

  • Extensive general knowledge of JavaScript, particularly Vanilla.js, React.js, Typescript, Next.js, and Node.js.

  • An Intermediate level of English proficiency for effective communication in a dynamic team environment.

  • While not mandatory, previous experience with Three.js and 3D rendering, and familiarity with Pyodide or other Python integrations in web settings is a strong plus.

  • Knowledge of Google Cloud Platform services, like Cloud Functions, Firestore, or App Engine, as well as any previous data engineering experience will be advantageous.

About the Project

The project that the Senior Full-stack Developer will be involved in aims to analyze ultra-high-resolution microscopy data related to neuronal structures. The objective is to capture and reconstruct intricate details of brain cells and their interconnections. By leveraging advanced 3D deep learning architectures, the system is designed to process vast data sets (petabyte-scale) to uncover biological patterns, thereby transforming the way researchers explore and understand complex neural systems. This innovative platform is essential for accelerating scientific discovery and providing groundbreaking insights into neurological dynamics globally.

Company Overview

TechMagic is recognized as a reputable software company with a strong presence in the tech industry. Their significant contributions to various fields, particularly in health technology, have set them apart as an employer of choice. They are acclaimed for fostering a supportive and collaborative environment that encourages personal development and innovation. Notably, they maintain a vibrant JS community, which can be a great asset for developers looking to engage and grow their skills.

Benefits

TechMagic offers a range of benefits designed to enhance employee satisfaction, including:

  • Opportunities to work on projects using a modern JavaScript stack (including React.js, Vue.js, Angular, Node.js).

  • The flexibility to work remotely or from their offices located in Lviv, Kyiv, or Krakow.

  • Paid vacations and sick leave, in addition to additional days off to promote work-life balance.

  • Various educational opportunities, including regular tech talks, courses, certifications, and English language classes to support continuous learning.

  • Being recognized as one of the best IT employers in Lviv, according to DOU rating.

Interview Process

The interview process for this position consists of three stages:

  1. The first stage involves a brief call with a recruiter that lasts about 30 minutes to discuss the role and your background.

  2. The second stage includes an interview with an engineer and the recruiter, which will take about one hour. This stage is crucial as it assesses your technical capabilities and cultural fit.

  3. The final stage is an interview with the client, where your potential contributions to the project will be further evaluated.

With the right blend of skills, experience, and enthusiasm for project challenges, this role at TechMagic is bound to be a rewarding opportunity. Those with expertise in full-stack development, especially within JavaScript ecosystems, should consider applying to be part of this innovative team.



This job offer was originally published on jobicy.com

TechMagic

Ukraine

Software development

Full-time

February 6, 2026

19 views

3 clicks on Apply Now


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