Senior Web Backend Engineer Job at Randstad (東京23区)

Senior Backend Engineer (Search Team)

LumApps is now more than just an Employee Experience Platform — it is an AI-powe...

Location

France , Lyon

Salary:

Not provided

LumApps

Expiration Date

Until further notice

Requirements

5 years of significant experience in Backend development, including experience with Elasticsearch
Initial solid experience with Python and Go
Ability to adapt in a fast-evolving environment, with a continuous improvement mindset and a willingness to learn from mistakes
Established working habits and openness to sharing and promoting them within the team
Familiarity with modern development practices (testing, code reviews, CI/CD, version control, etc.)
Knowledge for search relevance
Strong written and spoken English skills

Job Responsibility

Defining features Designing APIs and the underlying data model Implementing business logic for various functionalities
Acting as a proactive partner for API consumers, especially our web and mobile applications
Optimization
Working closely with other team members (pair programming, design discussions, technical decision-making, Scrum ceremonies)

What we offer

Hybrid work model – 2 days at the office, 3 days remote
RTT days – ~10 extra days off per year
Meal vouchers (SWILE) + free snacks & coffee
Yoga classes
Supportive parental leave and family moments
Health insurance (ALAN) – 60% covered + full life & disability cover
Afterworks, team celebrations & seasonal parties
Equipment of your choice
French & English lessons, professional development & access to Leeto CSE

Fulltime

Senior Backend Engineer

Hey Java developers! If you're looking for a contract role where your work actua...

Location

United Kingdom , London

Salary:

Not provided

Randstad

Expiration Date

July 14, 2026

Requirements

Core Java expert (8+) with proven production experience in GCP
sharp system design, data structures, and algorithm fundamentals
comfortable diving into SQL for ad-hoc investigations
pragmatic, collaborative, and genuinely excited about shipping high-quality code that protects users

Job Responsibility

Architect and scale backend systems that enforce critical safety, privacy, and parental control guardrails globally
team up with mobile, web, and product engineers to design modular, reliable, and easily auditable interfaces
champion engineering best practices and ensure operational excellence using meaningful metrics like SLIs and SLOs

Fulltime

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Senior Backend Engineer (Search Team)

The Search team aims to deliver the right information to the right person at the...

Location

France , Lyon

Salary:

Not provided

LumApps

Expiration Date

Until further notice

Requirements

5 years of significant experience in Backend development, including experience with Elasticsearch
Initial solid experience with Python and Go
Ability to adapt in a fast-evolving environment, with a continuous improvement mindset and a willingness to learn from mistakes
Established working habits and openness to sharing and promoting them within the team
A favorite pastry—and the ability to explain why
Familiarity with modern development practices (testing, code reviews, CI/CD, version control, etc.)
Knowledge for search relevance
Strong written and spoken English skills

Job Responsibility

Shaping the future of the product
Defining features
Designing APIs and the underlying data model
Implementing business logic for various functionalities
Acting as a proactive partner for API consumers, especially our web and mobile applications
Optimization
Working closely with other team members (pair programming, design discussions, technical decision-making, Scrum ceremonies)

What we offer

Hybrid work model – 2 days at the office, 3 days remote
RTT days – ~10 extra days off per year
Meal vouchers (SWILE) + free snacks & coffee
Yoga classes
Supportive parental leave and family moments
Health insurance (ALAN) – 60% covered + full life & disability cover
Afterworks, team celebrations & seasonal parties
Equipment of your choice
French & English lessons, professional development & access to Leeto CSE

Fulltime

Senior Backend Engineer - MPG

At The Multiplayer Group (MPG), we create world-class multiplayer experiences th...

Location

United Kingdom

Salary:

Not provided

Climax Studios

Expiration Date

Until further notice

Requirements

Experience in game development and having worked on at least two game titles in a commercial setting developing server backends for AAA games, free-to-play (mobile) games, casino apps or similar
Experience releasing at least two backend services with a large number of concurrent users
Production experience with at least one of Java, Golang, C#, C++, Kotlin
experience with Python, Node.js and React is desirable
Experience with cloud platforms: Amazon Web Services, Google Cloud and Microsoft Azure
having an AWS Certification (Associate or above) would be advantageous
Experience with infrastructure as code tools, e.g. Terraform
Ability to create supporting documentation, designs, comments, etc
Ability to discuss technical and production matters
Excellent time management and ability to work autonomously

Job Responsibility

Individual contribution: construct systems, write code, deployments, etc.
Work with the team lead and stakeholders to estimate and prioritise work
Work alongside peers to iterate on solutions that fit requirements
Keep the project lead and producer apprised of revised estimates and delivery times
Promote and maintain high standards and process: tests, CI/CD, documentation
Help and support team members in day-to-day work
Understand, maintain and expand existing code and develop new features or systems

What we offer

Flexible working: Remote-friendly long before it was the norm, with core hours that support both great work and real life
Support & wellbeing: Mental health first-aiders, therapy and coaching via Myndup, plus private medical insurance to help you stay healthy and supported
Pension & life cover: A strong pension plan and life insurance to support your future and protect your family
Time for you: Minimum 25 days’ holiday, a paid winter break, and 3 volunteering days each year to give back to causes you care about
Parental leave: Family-first policies that support parents and caregivers with flexibility and balance
Levelling up: Annual L&D budget, expert talks, game jams, and mentoring opportunities to help you grow your skills and career

Fulltime

Senior Backend Engineer

Fullpath is an AI-first tech company in the automotive space with hubs across th...

Location

Israel , Tel Aviv

Salary:

Not provided

Fullpath

Expiration Date

Until further notice

Requirements

University degree (B.Sc) in Computer Science or related field
7+ years of Backend Software development experience, with at least one role as a Technical Lead
Hands-on experience with web development, including building and maintaining web applications
Deep familiarity with and daily hands-on use of AI and emerging technologies
Strong SQL skills with databases such as PostgreSQL, MySQL, or similar
Knowledge of cloud platforms, preferably AWS, or similar services and tools
Experience designing and working with microservices architecture
Excellent communication skills in both Hebrew and English
Team player with collaborative mindset
Capability to see the big picture, break down projects into milestones, and prioritize tasks

Job Responsibility

Write clean, high-quality, high-performance, maintainable code
Ensure that the projects you work on meet business objectives and coding standards
Support the deployment and testing of new products and features
Collaborate with cross-functional teams to gather and analyze requirements, translating them into technical specifications
Design and implement APIs and integrations with third-party services to enhance system functionality
Optimize application performance through code profiling, monitoring, and refactoring as necessary
Implement automated testing frameworks to ensure code robustness and reliability
Participate in code reviews and provide constructive feedback to peers to foster continuous improvement
Stay updated with emerging technologies, best practices, and industry trends to drive innovation within the team
Assist in the establishment and enforcement of development standards and coding conventions

What we offer

An awesome global team of forward-thinking, innovative go-getters
Integrate with tech titans: Work directly with APIs from Google, Facebook, Microsoft, and more
Be part of a rapidly scaling company poised for the future
Learning and growth opportunities within a fast-paced SaaS startup environment
Clear career advancement path for strong performers
Cibus and lots of yummy kitchen treats

Fulltime

Senior Backend Engineer

Fullpath is an AI-first tech company in the automotive space with hubs across th...

Location

Israel , Jerusalem

Salary:

Not provided

Fullpath

Expiration Date

Until further notice

Requirements

University degree (B.Sc) in Computer Science or related field
7+ years of Backend Software development experience, with at least one role as a Technical Lead
Hands-on experience with web development, including building and maintaining web applications
Deep familiarity with and daily hands-on use of AI and emerging technologies
Strong SQL skills with databases such as PostgreSQL, MySQL, or similar
Knowledge of cloud platforms, preferably AWS, or similar services and tools
Experience designing and working with microservices architecture
BONUS: technical or team lead experience while noting the role is fully hands-on
Excellent communication skills in both Hebrew and English
Team player with collaborative mindset

Job Responsibility

Write clean, high-quality, high-performance, maintainable code
Ensure that the projects you work on meet business objectives and coding standards
Support the deployment and testing of new products and features
Collaborate with cross-functional teams to gather and analyze requirements, translating them into technical specifications
Design and implement APIs and integrations with third-party services to enhance system functionality
Optimize application performance through code profiling, monitoring, and refactoring as necessary
Implement automated testing frameworks to ensure code robustness and reliability
Participate in code reviews and provide constructive feedback to peers to foster continuous improvement
Stay updated with emerging technologies, best practices, and industry trends to drive innovation within the team
Assist in the establishment and enforcement of development standards and coding conventions

What we offer

An awesome global team of forward-thinking, innovative go-getters
Integrate with tech titans: Work directly with APIs from Google, Facebook, Microsoft, and more
Be part of a rapidly scaling company poised for the future
Learning and growth opportunities within a fast-paced SaaS startup environment
Clear career advancement path for strong performers
Cibus and lots of yummy kitchen treats

Fulltime

Senior Backend Engineer

We’re looking for a skilled and detail-oriented Senior Back-End Developer to des...

Location

India , Bengaluru

Salary:

Not provided

Radancy

Expiration Date

Until further notice

Requirements

Strong in C# and .NET (6/7/8)
Proficiency in C# Web API development and a good grasp of RESTful API concepts and integration
Solid understanding of Relational database design and development (preferably PostgreSQL)
Solid understanding of writing and maintaining unit and integration tests
Effective collaboration and clear communication in cross-functional teams
Practical experience with containerization with Docker, Git and CI/CD pipelines for automated build, test, and deployment

Job Responsibility

Design, build, and maintain robust, scalable services that power our products
Work with C# and .NET at the core
Shape efficient database architectures
Deliver clean and secure REST APIs
Ensure systems are observable, testable, and easy to maintain
Collaborate closely with cross-functional teams
Contribute to code reviews
Leverage AI-assisted development tools responsibly

Senior Backend Engineer

As a Senior Backend TypeScript Engineer, you will design, develop, and maintain ...

Location

Salary:

Not provided

Yopeso

Expiration Date

Until further notice

Requirements

Strong experience in Node.js, TypeScript, and backend frameworks like Express or NestJS
Solid understanding of SQL and experience with RDS/Aurora
Hands-on experience with AWS services (EC2, Lambda, S3, etc.)
Proficient in designing and consuming REST APIs
Experience with Docker and containerized applications
Familiarity with Git version control
Hands-on experience in CI/CD pipelines
Strong problem-solving skills and ability to take ownership of projects
Self-motivated, hungry for challenges, and able to work in a fast-paced environment
Fluent in English (spoken and written)

Job Responsibility

Develop and maintain backend services using Node.js with Express or NestJS frameworks
Design, implement, and optimize SQL databases on RDS/Aurora
Build and maintain RESTful APIs for web and mobile applications
Deploy and manage applications on AWS cloud infrastructure
Containerize applications using Docker and maintain version control with Git
Collaborate with DevOps teams to implement CI/CD pipelines and automated testing
Take ownership of features from conception to deployment and production support
Identify and solve complex backend challenges, ensuring performance, scalability, and security

What we offer

Competitive remuneration
Remote work
24 days off per year and floating days
Private clinic health services Regina Maria Medical Insurance
Flexible benefits through Up multibenefits platform
Referral bonus scheme
Team events, online or at the office
Training and development opportunities with allocated budget
Professional Certifications
Knowledge sharing context

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Senior Web Backend Engineer

Job Responsibility

Requirements

Nice to have

What we offer

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