ASSYSTEM
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Gurugram · On-site · 1-3 Yrs · 5 days ago
Architectural & Engineering Services · 5001 to 10000 Employees · Paris, France
Assystem is an independent, international company with one key mission: to step up the energy transition throughout the world. We see ourselves as an activist in the development of nuclear energy, convinced that it is an essential part of the fight against climate change. Our 6,500 switchers, spread in 12 countries in Europe, Pacific Asia, Africa and the Middle East are working every day to make the energy switch by accelerating the development of nuclear and renewable energies, power grids, hydrogen projects and low-carbon transport. We design and supervise major projects through our engineering activities and accelerate our customers' digital transformation. We also develop new solutions to build faster and improve the performance of complex infrastructures. 55 years of experience have made Assystem a key partner of the world's largest industrial groups: CEA, EDF, Framatome, ITER, Naval Group, Orano, RATP, Rolls Royce RTE, Sellafield, SGP, SNCF... Assystem is currently ranked in the top three of nuclear engineering groups in the world.
Hiring: Engineering
What employees say
+ Diversified offerings Technical know how Building credentials Strong leadership
− Can work a bit on flexibility Develop leaders from within as much as possible
More reviews on the company profile.
Interview experience · Project Manager
4 rounds technical. binary search, find missing number, arraylist, primary key annotation, joins, var vs let, authentication, rest, singleton and bean scope, AOP, hashmap, @RequestParam vs @PathParam, ts vs js, microse
Average difficulty · India · 18 reports
More interview insightsJob description
Overview
Company Description
Responsibilities
- Assystem provides engineering, project management and digital services to optimise the performance and safety of critical infrastructure throughout its lifecycle.
- The company first came to India having acquired Stup Consultants Pvt Ltd in 2021 and L&TIEL in 2024. The company combines its globally recognised expertise in complex project management, with deep-rooted local experience cross full spectrum of infrastructure – from energy, transportation and urban development to water. Today, Assystem has a strong community of 1,500+ multidiscipline engineering experts connected across 8 offices in India.
- The Assystem Group is one of the world’s leading independent nuclear engineering companies, ranked among the top three globally, with 60 years of experience in complex and highly regulated environments. With 8,000 experts across 13 countries, Assystem supports the development of low-carbon energy.
- Develop and maintain web applications using React.js for the front end and Java for the back end.
- Design, implement, and maintain APIs and microservices.
- Collaborate with cross-functional teams including designers, product managers, and other developers to deliver high-quality software solutions.
- Implement and maintain Continuous Integration and Continuous Deployment (CI/CD) pipelines for efficient and automated software delivery.
- Stay up-to-date with the latest technologies and best practices in web development, CI/CD, and server configuration.
- Participate in software development projects using an Agile approach.
- Provide support during the development, testing and deployment phases at a client's site.
- Provide technical expertise on various projects within the Digital entity of Assystem.
Qualifications
- You have a degree in Computer Science and have significant industry-related applications implementation experience.
- You have a passion for new technologies, are curious and rigorous, and have excellent oral and written communication skills.
- The knowledge of at least one cloud architecture is required, and an excellent knowledge of English is required, French is a plus.
- Proven experience as a Full Stack Developer with expertise in React.js and Java.
- You have more than 5 years’ experience in React, JAVA / J2EE web development and you master frameworks such as Hibernate, Spring or Angular.
- Strong understanding of software development methodologies and best practices.
- Excellent problem-solving and communication skills.
- Ability to work effectively in a fast-paced and collaborative environment.
- Additional Information
- Will have to work from office only.
- We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.
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Job application FAQ
Last updated 21 September 2026
- How do I apply for Full Stack React and Java Developer at ASSYSTEM?
- Open this job on Feedback AI and sign up free (or sign in). You can apply from the job detail page; match scores and skill gaps appear when your profile is complete. ASSYSTEM may attach structured assessments to interview rounds after you apply.
- Does Feedback AI show a match score for this Full Stack React and Java Developer role?
- Yes after you add a resume or skills. Match score ranks this role against your profile — skills met, gaps, level, and location — so you prioritise applications where fit is strongest.
- Is Full Stack React and Java Developer remote or on-site in Gurugram, Haryana?
- This listing is marked on_site with location Gurugram, Haryana. Confirm details on the job description before applying.
- What skills matter for this Full Stack React and Java Developer role at ASSYSTEM?
- This is a mid-level Full Stack React and Java Developer role. Key skills include skills listed in the job description. Feedback AI highlights matched vs missing skills on your profile after signup.