Senior Node.js Backend Developer

JobgetherFrance

Remote Full-time

Clicking Apply Now takes you to AutoApply where you can tailor your resume and apply.

Experience Level

Senior

Qualifications

To be successful in this role, you should possess:Extensive experience with Node.js and backend development. Strong knowledge of database management systems. Experience in building scalable and high-performance applications. Familiarity with security best practices in software development. Excellent problem-solving skills and the ability to work under pressure. Strong communication skills for effective collaboration with remote teams.

About the job

Key Responsibilities

Design and implement secure, scalable backend systems using Node.js
Develop and maintain real-time services and APIs that support financial products
Collaborate with engineers in different regions to deliver products for a worldwide customer base
Contribute to backend architecture decisions, distributed systems, and performance improvements
Support the evolution of infrastructure for digital finance solutions

Requirements

Extensive experience in Node.js backend development
Proven ability to build secure, scalable, and high-performance systems
Comfort working in distributed teams and across time zones
Interest in tackling complex technical challenges and adopting new technologies
Appreciates autonomy, ownership, and ongoing improvement

Work Environment

Remote-first setup with the option to work anywhere in France
Collaborative engineering team focused on innovation and meaningful impact

About Jobgether

Jobgether connects talent with opportunities in innovative companies. We facilitate the hiring process and provide flexible work solutions, ensuring a seamless experience for both candidates and employers.

Similar jobs

Browse all companies, explore by city & role, or SEO search pages. View directory listings: all jobs, search results, location & role pages.

1 - 20 of 6,636 Jobs

Search for Senior Backend Engineer (Elixir) - Remote

6,636 results

Select all on this page (20)

Apply

Senior Backend Engineer (Elixir) - Remote

Remote

Full-time|$53.3K/yr - $119.8K/yr|Remote|Remote-France

About RemoteAt Remote, we are addressing one of the most significant challenges faced by modern organizations—efficiently managing global employment compliance. We empower businesses of all sizes to hire, pay, and oversee international teams seamlessly. With a strong foundation built on our core values and a forward-thinking work culture, our team is dedicat…

Apr 30, 2026

Apply

Senior Backend Engineer at Upflow | Paris or Remote

Upflow

Full-time|Remote|Paris or Remote

About UpflowUpflow is a pioneering SaaS startup specializing in advanced cash collection technology designed to help B2B companies streamline their payment processes and get paid more efficiently.Founded in 2018, we have quickly gained the trust of hundreds of businesses across the US and EMEA, partnering with notable clients such as Lattice, ProductBoard, and Instawork. Our growth has been fueled by leading investors including YCombinator, eFounders, and prominent business angels from companies like N26, Square, Mercury, Uber, and NetSuite.Join us for an exciting opportunity to work within a rapidly evolving Fintech landscape in a diverse and international setting.To learn more about our team and culture, please visit our careers page at www.upflow.io/careersAbout the RoleAs a Senior Backend Engineer, you will be part of a compact and dynamic team based in Paris or working remotely, dedicated to developing impactful features for our users. Your responsibilities will encompass a variety of areas, including integrations with third-party financial systems like ERPs and billing tools, real-time data synchronization for millions of financial transactions, and managing our REST API. We prioritize data accuracy and reliability at scale, ensuring seamless financial data exchange between systems.We embrace continuous deployment (averaging 10 deployments per day) and foster a culture of pragmatism, ownership, and a growth mindset.For insights into our engineering practices, refer to this article.Your ResponsibilitiesIn your role at Upflow, you will:Design and implement complex, high-impact features from inception to completion.Work closely with the product manager and fellow engineers to convert business needs into technical solutions.Deploy clean, maintainable code to production on a daily basis.Engage in code reviews, offering and receiving constructive feedback.Diagnose and resolve intricate data and product challenges.Optimize application performance and scalability.

Dec 22, 2025

Apply

Senior Backend Engineer - Innovate

Yubo

Full-time|Remote|Paris - Full Remote

About UsAt Yubo, we are revolutionizing the way individuals connect online through our innovative Social Discovery app. By removing likes and follows, we empower our users to form authentic relationships and express their true selves.We have pioneered a fresh approach for Generation Z to engage socially in the digital realm, currently serving millions of active users. Our mission is to continuously redefine how social connections are formed now and in the future.Our team is diverse, multicultural, and passionately dedicated to our vision. As a leading platform for online socialization, we prioritize creating a safe digital environment for our community. Safety is ingrained in our values, and we proactively work on user protection, support, and education, collaborating with the tech industry and NGOs to establish best-in-class child protection standards.Join us on this exciting journey and play a vital role in shaping the future of social interactions!Role OverviewAs we expand our Tech organization for 2026, Yubo is launching a new Innovate squad dedicated to daring product initiatives and high-stakes projects.This squad aims to take bold risks, experiment with ambitious features, and validate ideas through ongoing testing.We are seeking a Senior Backend Engineer to become a key member of our Backend Experience team, reporting directly to Armand, our Engineering Manager.You will work within a multi-disciplinary squad (including Product, Mobile, Design, and Data) alongside a Senior Backend Engineer who shares leadership responsibilities.Your mission? Design, implement, and manage high-risk backend experiments that test groundbreaking product ideas while ensuring our systems remain resilient, scalable, and cost-effective throughout rapid iteration cycles.This position is not about maintenance; it's focused on building, testing, rolling back, iterating, and learning swiftly.

Feb 24, 2026

Apply

Senior Backend Engineer - Core Components (Remote in France)

Dailymotion

Full-time|Remote|Paris

Join Dailymotion as a Senior Backend Engineer and play a pivotal role in developing our core components. In this fully remote position, you will work collaboratively with cross-functional teams to design, build, and maintain scalable backend systems that power our video platform.

Apr 9, 2026

Apply

Senior Backend Engineer (B2B Contract) at Jobgether | France

Jobgether

Contract|Remote|France

Role overview Jobgether is looking for a Senior Backend Engineer (B2B Contract) to join the team in France. This position centers on designing, building, and maintaining backend systems that support scalable solutions for B2B clients. What you will do Design backend architecture with a focus on performance and reliability Develop and maintain essential backend services Support systems that scale to meet evolving business requirements Team culture The team values innovation and welcomes new ideas. Collaboration is key as the group works together to deliver dependable technology for B2B customers.

Apr 28, 2026

Apply

Senior Backend Engineer - NodeJS

Fabulous Co.

Full-time|Remote|Remote — Paris, Île-de-France, France

Join Fabulous Co. as a Senior Backend Engineer specializing in NodeJS and contribute to our rapid growth in the health and wellness sector. In this startup-like environment, you’ll collaborate closely with our experienced CTO to develop cutting-edge features such as marketing optimization engines and billing reports. If you’re passionate about leveraging technology to help people cultivate healthy habits worldwide, we invite you to be part of our dynamic engineering team.

Nov 12, 2021

Apply

Senior Backend Engineer - Golang

Voodoo

Full-time|Remote|Paris

Join the Voodoo TeamFounded in 2013, Voodoo is a leading technology company dedicated to creating captivating mobile games and applications with the goal of entertaining users across the globe. With a robust workforce of 800 talented individuals, we have achieved over 7 billion downloads and boast more than 200 million active users. Voodoo stands as the third largest mobile publisher worldwide by downloads, trailing only Google and Meta. Our impressive portfolio features popular titles such as Mob Control and Block Jam 3D, along with trending apps like BeReal and Wizz.Your RoleAs a Senior Backend Engineer, you will collaborate within a dynamic team of five engineers focused on enhancing our gaming backend platform. This role requires close interaction with various departments, including Core Gaming, Live Gaming, and Engineering & Data. You will contribute to our transition from Hyper-Casual to Hybrid, Casual, and Mid-Core games, playing a pivotal role in scaling our backend architecture to support new and existing titles.Your responsibilities will encompass designing scalable backend systems that serve millions of players daily. You'll partner with client developers and game designers throughout the entire process, from conceptualizing new features to their successful implementation and iteration.

Mar 11, 2026

Apply

Senior Backend Software Engineer - Performance

Vibe.co

Full-time|On-site|Paris

About VibeAt Vibe.co, we are revolutionizing the way brands connect with audiences in the streaming era. We envision that streaming TV transcends traditional brand awareness; it is poised to be the next major avenue for performance marketing. Our mission is to create the infrastructure that harnesses this $100 billion potential.As a leader in Audience First Streaming TV Advertising, Vibe.co empowers marketers to leverage TV as an effective growth channel. Our comprehensive solution integrates hyper-targeted audience segmentation, AI-driven insights, real-time campaign optimization, and incrementality measurement, providing brands of all sizes the accuracy and transparency they expect from social and search advertising, applied to the TV landscape.With over 10,000 trusted brands and a reach of more than 120 million households across 500+ apps and channels, Vibe.co consistently delivers an impressive average return on ad spend of 250% and a 20% lift in sales. Achieving a $100 million revenue run rate in less than two years, we are among the fastest software companies to reach this remarkable milestone.Our investors include notable firms such as Hedosophia (early backer of Spotify, Uber, and Airbnb), Elaia, Singular, QuantumLight, and Illusian, alongside angel investors like Carolyn Everson, board member of The Walt Disney Company and Coca-Cola. Nirav Tolia, CEO of Nextdoor, is also a member of our board of directors.Founded in 2022, Vibe.co is recognized as a pioneering platform in streaming TV advertising, merging the power of performance marketing akin to Meta and Google with the fast-evolving media landscape.About the RoleAs a key member of the Performance team, you will play a vital role in managing advertiser outcomes at Vibe. Your focus will be on bidding, pacing, and enhancing the prediction stack that drives these elements. You will report directly to Clément Schiano, Engineering Manager for Performance.This position has been created to address a clear roadmap and enhance execution capabilities, as well as to mitigate knowledge concentration challenges within the team. We seek an individual who can absorb, challenge, and expand upon existing expertise, going beyond simply delivering tickets.Three compelling reasons why a talented candidate would find this role appealing:

Apr 7, 2026

Apply

Senior Backend Engineer - Ruby (M/W/D)

JobTeaser

Full-time|On-site|Paris

Role Overview JobTeaser is hiring a Senior Backend Engineer with strong Ruby experience to join the team in Paris. This role focuses on building and maintaining scalable backend systems that support our platform. What You Will Do Design, develop, and maintain backend solutions using Ruby Work with cross-functional teams to deliver reliable features and improvements Write high-quality code that supports a strong user experience Location This position is based in Paris.

Apr 14, 2026

Apply

Senior Backend Engineer at Morpho | Paris

Morpho

Full-time|Remote|Paris

About MorphoMorpho is at the forefront of Decentralized Finance (DeFi), operating a cutting-edge lending protocol that has recently garnered $50 million in funding from renowned investors, including Ribbit Capital, a16z crypto, and Coinbase Ventures. Our vision is to create an open lending network that democratizes access to the best financial terms for all. With over $10 billion in deposits, Morpho is rapidly redefining the standards of DeFi lending. We are expanding our team to solidify our position as a key player in the emerging internet-native financial ecosystem.Our MissionAt Morpho, we believe in empowering human ambition by providing open access to capital. The current financial landscape is fragmented, leaving many opportunities unseen and many individuals overpaying or entirely excluded. We strive to ensure that capital flows efficiently to where it is most needed, enabling anyone, anywhere, to access optimal terms.LocationThis role can be based in Paris or remotely (candidates located between -5 GMT and +2 GMT are encouraged to apply to ensure effective collaboration with our team).Our Work CultureWe thrive in a fast-paced environment where tackling challenging problems is the norm. As we navigate this evolving market, adaptability is crucial. We foster a culture of open communication where questioning decisions is encouraged. Our team maintains high standards while supporting each other to overcome obstacles and share knowledge. To learn more about our values, visit morpho.org/jobs.Role & ResponsibilitiesAs a Backend Engineer, you will be responsible for designing, building, and maintaining high-performance backend services and APIs that are crucial to Morpho’s user-facing features. Depending on your level of experience, you may take ownership of specific backend domains, mentor junior engineers, and contribute to cross-team initiatives.Your Responsibilities Include:Develop, deploy, and maintain backend services using TypeScript/Node and GraphQL, ensuring reliable and low-latency experiences for users.Design and optimize relational data schemas (PostgreSQL) for accuracy, performance, and maintainability.Collaborate with cross-functional teams including frontend, product, protocol, risk, and security to deliver seamless integrations.

Apr 1, 2026

Apply

Senior Backend Engineer - Engagement & Monetization

Yubo

Full-time|Remote|Paris - Full Remote

Who We AreYubo is a dynamic social discovery platform designed for Gen Z, enabling users to make new friends and connect authentically online. By removing likes and follows, we encourage our community to express their true selves and forge real connections.With millions of active users, we are revolutionizing how young people socialize online. Our mission is to create a safe, engaging, and inclusive digital environment where everyone can feel secure and valued.Our diverse team is united by a strong commitment to fostering a safe space for our users. We prioritize safety in our operations, collaborating with technology partners and NGOs to establish leading standards in child protection.Join us on this exciting journey to redefine social interaction for the future!About This RoleAs Yubo scales, we are entering a pivotal phase of product development within our Engagement & Monetization squad. This team is dedicated to experimenting and enhancing our core business metrics.We are seeking a Senior Backend Engineer to join our Backend Experience team, reporting directly to Armand, our Engineering Manager. You will work within a multi-disciplinary squad comprising Mobile Engineers, a Product Manager, a Designer, and a Data Analyst, alongside two backend engineers to facilitate your onboarding.Your responsibility will be to set the technical direction and develop backend systems that support continuous experimentation at scale, rolling out services and business logic that cater to millions of users while ensuring reliable and safe interactions.

Feb 20, 2026

Apply

Senior Backend Engineer at LuoPay | Paris

LuoPay

Full-time|On-site|Paris

About LuoPayLuoPay is a rapidly expanding financial exchange (FX) and cross-border payment platform headquartered in Africa. We empower African businesses to settle payments with their international suppliers more swiftly, transparently, and competitively than conventional methods.Having swiftly established our brand in several markets, we are eager to expand our engineering team and continue enhancing the financial infrastructure for FX and cross-border payments across Africa.Role OverviewAs a Senior Backend Engineer, you will collaborate with a skilled team of engineers to develop a wide array of customer-facing products, internal tools, and financial systems. Your contributions will be pivotal in maintaining and enhancing a payment infrastructure that handles millions of euros in transactions daily.Key ResponsibilitiesDesign and implement production-grade HTTP APIs using Golang.Create API integrations with fintech partners.Influence architectural decisions.Establish CI/CD pipelines.Deploy resources and services on Google Cloud Platform.Implement best practices for Site Reliability Engineering (SRE) and security.Conduct comprehensive testing.Utilize AI-driven development methodologies.What We Are Looking ForA minimum of 6 years of backend development experience.Extensive knowledge of Golang.Proficient in working with SQL databases.Experience in managing infrastructure on Google Cloud Platform or other cloud services.Ability to thrive in a fast-paced team environment.Familiarity with large language model (LLM) driven development.Systems Developed at LuoPayA payment platform tailored for businesses in Africa.Internal tools for payment operators, treasury analysts, and FX traders.AI applications for OCR and invoice approval.KYC onboarding processes.Anti-Money Laundering and Transaction Monitoring systems.Core Banking and Ledger Systems.Automated payouts with banking partners.

May 3, 2026

Apply

Senior Backend Developer - Node.js

Jobgether

Full-time|Remote|France

Role overview Jobgether is looking for a Senior Backend Developer specializing in Node.js for a partner company based in France. The engineering team creates and maintains backend systems that support digital financial products used worldwide. What you will do Design, build, and maintain secure, scalable backend services with Node.js Improve the core platform architecture to enable new features and products Optimize API performance and ensure reliability Help strengthen infrastructure resilience and system uptime Promote technical innovation within the team Tackle complex challenges in real-time systems, microservices, and distributed applications How work happens This is a remote-first role. The team works across regions, giving members autonomy and ownership over their projects. Collaboration with skilled engineers is central, with flexibility to manage personal workflows. Who thrives here Backend developers with solid Node.js experience Engineers committed to building secure, scalable, and highly available systems Problem-solvers who enjoy working on distributed, real-time environments People motivated by making an impact on products used around the globe

Apr 28, 2026

Apply

Senior Backend Engineer I - B2C Services

Back Market

Full-time|On-site|Paris

Join Back Market as a Senior Backend Engineer I and be part of our mission to make refurbished devices the first choice for consumers. You will play a critical role in developing and optimizing our B2C services that enhance user experience and drive customer satisfaction. In this position, you'll collaborate with cross-functional teams to design scalable backend solutions, implement robust APIs, and ensure high performance and responsiveness of our applications.

Feb 25, 2026

Apply

Senior Fullstack Software Engineer - AI (Backend Focus)

Gorgias

Full-time|On-site|Paris

Join us in revolutionizing the shopping experience through AI-powered conversations.At Gorgias, we are pioneering a platform that transforms customer interactions into meaningful relationships. Our vision is to create a unified AI agent that assists, sells, and re-engages customers at every touchpoint in their journey. We believe that Conversational Commerce is the future of eCommerce, and we are at the forefront of this exciting shift.Our mission is to ensure that every brand interaction is personal, seamless, and intelligent. By merging our extensive product knowledge with cutting-edge AI technology, we aim to make the shopping experience feel increasingly intuitive and connected.To achieve this, we are committed to:Quality: Crafting authentic, brand-aligned conversations.Experience: Ensuring a smooth shopping journey from chat to checkout.Re-engagement: Fostering personal dialogues instead of intrusive marketing.With the rapid evolution of AI in retail, Gorgias is laying the groundwork for the next decade of eCommerce. We envision a future where every brand has its intelligent agent, and every customer feels valued and understood.Join us in making Conversational Commerce a reality.Team & ContextGorgias is an AI-first company dedicated to developing innovative products driven by large language models (LLMs) and agent-based systems. We are the leading conversational commerce platform for Shopify merchants. Our AI Journey team is focused on enhancing the marketing aspect of our vision with AI-driven outbound conversations that engage shoppers through various channels, primarily SMS.Our product is actively utilized by merchants today, processing hundreds of millions of shopper events. We are scaling our operations to enhance AI reliability at higher volumes, broaden our shopper engagement capabilities, and solidify our systems for robust production loads. The most intriguing challenges lie ahead.This role is positioned at the nexus of product engineering and applied AI, concentrating on the development of reliable, scalable, and impactful LLM-powered experiences in production.About the RoleIn this role, you will have the opportunity to: Develop and scale production AI features utilized by thousands of merchants. Engage directly with LLMs, prompts, and agent workflows within a live product setting. Influence the architecture of AI systems as we continuously enhance our platform.

Apr 30, 2026

Apply

Senior Node.js Backend Developer

Jobgether

Full-time|Remote|France

Jobgether is seeking a Senior Node.js Backend Developer to join a partner company specializing in global digital finance services. This role is based in France and follows a remote-first approach, offering flexibility in where you work within the country. Key Responsibilities Design and implement secure, scalable backend systems using Node.js Develop and maintain real-time services and APIs that support financial products Collaborate with engineers in different regions to deliver products for a worldwide customer base Contribute to backend architecture decisions, distributed systems, and performance improvements Support the evolution of infrastructure for digital finance solutions Requirements Extensive experience in Node.js backend development Proven ability to build secure, scalable, and high-performance systems Comfort working in distributed teams and across time zones Interest in tackling complex technical challenges and adopting new technologies Appreciates autonomy, ownership, and ongoing improvement Work Environment Remote-first setup with the option to work anywhere in France Collaborative engineering team focused on innovation and meaningful impact

Apr 28, 2026

Apply

Backend Engineer

jobgether

Full-time|On-site|France

Jobgether is looking for a Backend Engineer based in France to help design, develop, and maintain the backend services that drive our applications. This position centers on building reliable and scalable systems to support the company’s products. Role overview This role involves creating backend solutions that meet performance and responsiveness goals. The Backend Engineer will work closely with team members to ensure backend services are robust and support the needs of our applications. What you will do Design and implement backend services that support application features Develop scalable solutions to handle growing user and data needs Maintain and improve existing backend systems for high performance Location This position is based in France.

Apr 29, 2026

Apply

Senior Backend Engineer (Golang) - BeReal

Voodoo

Full-time|On-site|Paris

About VoodooEstablished in 2013, Voodoo is a pioneering technology company dedicated to crafting engaging mobile games and applications that aim to entertain audiences globally. With a dynamic team of 800 professionals, we boast an impressive milestone of 7 billion downloads and over 200 million active users, positioning Voodoo as the third largest mobile publisher worldwide, trailing only Google and Meta. Our diverse portfolio features hit games such as Mob Control and Block Jam, in addition to popular applications like BeReal and Wizz.Our TeamAt BeReal, we are committed to promoting authenticity in social media. By encouraging users to capture and share genuine moments, we build real connections and celebrate everyday life. Our international team, comprising over 60 members, engages more than 30 million monthly active users. With the backing of Voodoo, we are determined to scale BeReal into a leading social network that serves hundreds of millions worldwide.Your RoleAt BeReal, we have built our platform with a compact yet highly skilled technology team, and we intend to maintain this approach as we grow to accommodate hundreds of millions of users. Our commitment to speed allows us to deploy new features faster than any other established social network while we enhance our infrastructure. We operate in small, agile teams, granting each engineer significant autonomy to influence product decisions.Address thrilling technical challenges, given the unique nature of our product, which experiences user surges of millions within short timeframes.Play a vital role in developing a resilient architecture capable of accommodating massive scale as we attract new users and expand globally.Collaborate with product and engineering teams to innovate and implement new app features.Evaluate trade-offs and tackle technical challenges associated with critical backend components.Engage in code and design reviews to uphold our quality standards.Our Technology StackInfrastructure: GCP, Kubernetes, Pub/Sub, GitHub Actions, and ArgoCD.Backend: Go, Node.js (NestJS, Nx, TypeScript)Frontend: Swift (iOS), Kotlin (Android).Database: Spanner, PostgreSQL, Redis.Ideal Candidate ProfileYou possess over 5 years of experience in API development within distributed architectures.You have demonstrated expertise in Go and have a track record of developing high-volume API microservices.You are a self-motivated individual with excellent problem-solving skills and a strong desire to innovate.

Nov 4, 2025

Apply

Backend DevOps Engineer

airapps

Full-time|On-site|Paris

airapps is hiring a Backend DevOps Engineer in Paris. This position centers on building and maintaining systems that keep backend services running smoothly and reliably. Role overview The Backend DevOps Engineer will design and implement solutions to help backend services scale and remain dependable. Collaboration with both development and operations teams is key, with a focus on improving workflows and boosting system performance. What you will do Create and maintain scalable infrastructure for backend services Work alongside developers and operations staff to streamline processes Identify opportunities to enhance system reliability and efficiency Location This role is based in Paris.

Apr 29, 2026

Apply

Backend Engineer at Alten | Valbonne

Alten

Full-time|On-site|Valbonne

Alten is seeking a Backend Engineer in Valbonne to help create technology solutions for clients across various industries. This position centers on building and maintaining backend systems that support essential business operations. What you will do Design, develop, and maintain backend systems that serve as the backbone for client projects. Work closely with cross-functional teams to deliver applications that meet client needs. Apply knowledge of backend development frameworks and programming languages to ensure systems are reliable and scalable. Role overview This role focuses on backend development, where collaboration and technical expertise are key. The work involves both building new systems and supporting existing ones to help clients achieve their goals.

Apr 30, 2026

Create account — see all 6,636 results

Browse all companies, explore by city & role, or SEO search pages. View directory listings: all jobs, search results, or location & role pages.