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Backend Engineer

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Backend Engineer

Staff Core Platform Engineer

n8n

Удалённоlead

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Описание вакансии

The AI orchestration of your wildest imagination.
n8n is the open workflow orchestration platform built for the new era of AI. We give technical teams the freedom of code with the speed of no-code, so they can automate faster, smarter, and without limits. Backed by a fiercely inventive community and 500+ builder-approved integrations, we’re changing the way people bring systems together and scale ideas for impact.

Since our founding in 2019, we’ve grown into a diverse team of over 260 - working across Europe and the US, connected by a shared builder spirit and with our centre of gravity in Berlin. Along the way, we’ve:

  • Cultivated a community of more than 650,000 active developers and builders
  • Earned 190K+ GitHub stars, making us one of the world’s Top 40 most popular projects
  • Backed by top investors, from Sequoia’s first German seed to our SAP's recent strategic investment - bringing us to a $5.2bn valuation

That’s the company we’ve built. Now we’d love to see what
you
can build. If you’re applying, try n8n out - whether you’re technical or not - and share a screenshot of your first workflow with us. The easiest place to start is here: app.n8n.cloud/register.

We’re in a defining moment of an incredible journey. Come and build with us.

🎯 Your main goal will be to shape and evolve the core platform architecture that powers n8n — creating scalable, configurable foundations across execution, infrastructure, and frontend platform so 80+ product engineers and our open-source community can build confidently across cloud and self-hosted deployments.

Working across our platform teams, you’ll bring architectural coherence to the systems they jointly own and help us make the right long-term technical decisions as n8n scales:

Architectural direction across Core Platform

  • Drive architecture across the two Core Platform teams, ensuring execution, infrastructure, data, and frontend platform systems evolve as a coherent whole rather than independent components.
  • Design highly adaptable backend foundations that support different workloads, deployment models, shared product team needs, and future scale without creating unnecessary complexity.
  • Partner with the FE platform workstream on core canvas architecture, real-time communication, performance, plugin contracts, and other platform primitives used by product teams.

Execution, distributed systems & data foundations

  • Evolve core subsystems including durable workflow execution and state, orchestration, queue and task distribution, worker management, scheduling, and horizontal scaling.
  • Design for correctness and resilience across distributed environments, including failure modes, idempotency, state transitions, tenant isolation, and reliability guarantees.
  • Shape our data and persistence architecture, including database scaling, sharding, migration strategies, deployment abstractions, and long-term operational maintainability.

Platform architecture & engineering enablement

  • Lead consequential technical decisions through clear proposals and RFCs, making trade-offs explicit and aligning engineers and stakeholders around durable solutions.
  • Define stable platform interfaces and abstractions that reduce coupling, support safe migrations, and make the platform easier for feature teams to build on.
  • Mentor engineers across all engineering teams through design reviews, pairing, and technical guidance, raising the bar for architecture, system design, and maintainability.

REQUIREMENTS
Must-haves

  • 🏗️ Staff-level architectural ownership: You have a track record of leading architecture across multiple systems or teams, including migrations, re-architectures, or foundational platform initiatives with long-term organizational impact.
  • 🧠 Systems thinking: You reason deeply about invariants, correctness, failure modes, boundaries, and trade-offs, and you’re comfortable making decisions where there is no obviously perfect solution.
  • ⚙️ Configurable systems at scale: You’ve designed highly configurable, adaptable systems that serve multiple use cases or operating modes without becoming brittle or excessively complex.
  • 🌐 Distributed systems depth: You’ve designed and operated distributed systems involving concepts such as asynchronous processing, idempotency, state machines, queues, consistency, and resilience.
  • 🗄️ Data architecture at scale: You’ve worked on data-intensive systems where persistence, performance, isolation, migrations, and operational reliability were meaningful architectural concerns.
  • 🛠️ TypeScript & Node.js depth: You have strong TypeScript experience and have built substantial backend systems with Node.js beyond conventional CRUD applications.
  • 🤝 Cross-team technical leadership: You influence through technical judgment, clear communication, RFCs, design reviews, and mentorship, helping multiple teams converge on better solutions without relying on formal authority.
  • 🧱 Platform enablement mindset: You care about creating clear contracts, abstractions, and developer experiences that allow other engineers to move faster and more safely.
  • 🧹 Long-horizon engineering: You’re energized by modularization, migrations, refactoring, and evolving existing systems while keeping the product and engineering organization moving.

Nice-to-haves

  • 🧰 Workflow, orchestration or devtools experience: You’ve worked on workflow engines, orchestration platforms, developer tools, or infrastructure-heavy SaaS products.
  • 🖥️ Frontend platform architecture: You’ve worked with architecture-heavy frontend systems such as canvas applications, plugin systems, real-time applications, web workers, or complex rendering environments.
  • 🧾 Durable execution patterns: You’ve designed or operated systems using event sourcing, sagas, durable execution, or related state-management patterns.
  • 👥 Multi-tenant architecture: You’ve designed systems where tenant isolation, resource management, data boundaries, or noisy-neighbour concerns were important.
  • 🌍 Open-source experience: You’ve contributed to or maintained open-source software and understand the additional pressure around public contracts and backward compatibility.
  • 📈 Large-scale SaaS exposure: You’ve operated systems at meaningful scale or worked in environments where reliability and architectural decisions had broad customer impact.
  • 🧩 Monolith → modular migrations: You’ve decomposed monolithic systems or led incremental architectural migrations without preventing product teams from continuing to ship.
  • ☁️ Multi-deployment awareness: You’ve designed products that need to work consistently across both managed cloud and self-hosted environments.
  • 🔭 Observability mindset: You think about instrumentation, debugging, incident response, rollout safety, and operability as part of system design rather than an afterthought.
  • 🧪 Strong CS grounding: You bring deep knowledge of distributed systems concepts, consistency models, consensus, formal methods, or similarly rigorous approaches to system correctness.

Why join us?
At n8n, you’ll work on the foundations that almost every product experience depends on. You’ll have influence across two Core Platform teams, helping shape how our execution engine, infrastructure, data architecture, and frontend platform evolve together as both our product and engineering organization scale.

This is a Staff role with real architectural leverage: you’ll tackle problems that span team boundaries, evolve systems that already operate at meaningful scale, and create platform capabilities that make 80+ engineers more effective. You’ll do that in a remote-first environment that values autonomy, thoughtful experimentation, and engineers who influence through strong technical judgment rather than hierarchy.

Sound like the kind of platform challenge you want to own?

Apply now — and help us build the future of automation.

n8n is an equal opportunity employer and does not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, gender identity, age, marital status, veteran status, or disability status.
We can sponsor visas to Germany; for any other country, you need to have existing right to work.
Our company language is English.
You care about diversity and inclusion? We do too! Check out our
Diversity, Inclusion and Belonging initiatives at n8n
(
https://www.notion.so/n8n/Diversity\-inclusion\-and\-belonging\-n8n\-c1bec2fff536422d868b1a438d990e35
).
Location disclaimer:
If you see multiple job postings for the same role, it is most likely because we're hiring remotely for this role and posting in different locations to make sure every potential candidate can see the role. Please apply to the location you're the most likely to work from in the future.

Benefits

  • Competitive compensation 💸 – We offer fair and attractive pay.
  • Ownership 💪 – Our core value is to “empower others,” and we mean it—you’ll get a slice of n8n with equity.
  • Work/life balance 🏖️ – We work hard but ensure you have time to recharge:
  • Europe: 30 days of vacation, plus public holidays wherever you are.
  • US: 20 vacation days, 8 sick days, plus public holidays wherever you are.
  • Health & wellness 🩺 –
  • Europe: We provide benefits according to local country norms.*
  • US: Multiple low-premium, low-deductible medical plans with coverage for individuals and families—plus a no-cost premium HDHP option with a pre-seeded HSA—along with dental and vision coverage.
  • Future planning 💰 –
  • Europe: We provide pension contributions according to local country norms.*
  • US: 401(k) retirement plan with a 4% employer match.
  • Financial security 🛡️ –
  • Europe: We provide benefits according to local country norms.*
  • US: Company-paid short-term and long-term disability insurance, plus life insurance to support you and your loved ones.
  • Career growth 📈 – We hire rising stars who grow with us! You’ll get €1K (or equivalent) per year to spend on courses, books, events, or coaching to level up your skills.
  • A passionate team 🤩 – We love our product, and we prove it with regular hackathons where we see who can build the coolest thing with it!
  • Remote-first 🌏 – Our team works remotely across Europe, with regular off-sites for team bonding. Some roles, like sales in the US, are hybrid—please check the job description.
  • Giving back 🤝 – We're big fans of open source, and you'll get $100 per month to support projects you care about.
  • AI enablement 🤖 – We believe in working smarter—everyone gets an unlimited AI budget to explore and use the best tools to boost productivity and creativity.
  • Transparency 🙏 – We all know what everyone’s working on, how the company is doing—the whole shebang.
  • Country-specific details are provided in your contract.

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Backend Engineer

Senior Java Backend Developer - Remote Work | REF#290295

BairesDev

Удалённоfulltimesenior

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Описание вакансии

At BairesDev®, we've been leading the way in technology projects for over 15 years. We deliver cutting-edge solutions to giants like Google and the most innovative startups in Silicon Valley.

Our diverse 4,000+ team, composed of the world's Top 1% of tech talent, works remotely on roles that drive significant impact worldwide.

When you apply for this position, you're taking the first step in a process that goes beyond the ordinary. We aim to align your passions and skills with our vacancies, setting you on a path to exceptional career development and success.

We’re looking for a Senior Java Backend Developer with strong Java skills and a solid background in distributed data processing. You’ve worked on systems where data moves reliably at scale — whether through streaming pipelines, batch jobs, or both — and you understand the JVM well enough to reason about performance when it matters. You’ll be contributing to open source data platform technology that leading enterprises worldwide depend on to process and manage their data.

What You’ll Do

  • Design and develop distributed data processing components in Java, with a focus on throughput, reliability, and correctness.
  • Build and maintain stream and batch processing pipelines that handle large-scale data workloads in production.
  • Apply JVM performance knowledge to optimize data processing systems under real production conditions.
  • Collaborate with platform and data engineering teams to deliver scalable, well-tested solutions.
  • Participate in code reviews and contribute to engineering standards across the data platform.
  • Investigate and resolve performance bottlenecks and reliability issues in distributed processing components.

What We Are Looking For

  • 5+ years of experience in IT roles.
  • 3+ years of experience with Java as a primary programming language.
  • Hands-on experience with distributed data processing systems.
  • Background in stream or batch processing infrastructure.
  • Solid understanding of JVM performance fundamentals.
  • Open source contribution experience is a plus.
  • Advanced proficiency in English.

How we do make your work (and your life) easier:

  • Remote Work.
  • Excellent compensation in USD or your local currency if preferred
  • Hardware and software setup for you to work from home.
  • Flexible hours: create your own schedule.
  • Paid parental leaves, vacations, and national holidays.
  • Innovative and multicultural work environment: collaborate and learn from the global Top 1% of talent.
  • Supportive environment with mentorship, promotions, skill development, and diverse growth opportunities.

Join a global team where your unique talents can truly thrive and make a significant impact!

Apply now!

Это сохранённая копия объявления, опубликованного в другом месте. Вакансии снимают без предупреждения — перед откликом проверьте сайт работодателя. mentors.coach не является нанимающей стороной.

Backend Engineer

Mid+ AI / Backend Engineer

Crodu

Удалённоfulltime

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Описание вакансии

⏳ Czas projektu: długoterminowy 👈

🌴 Forma: fulltime, zdalnie 👈

⏰ Start: ASAP 👈

Cześć! 👋

Dla dynamicznie rozwijającego się startupu tworzącego nowoczesną platformę B2B AI opartą na autonomicznych agentach poszukujemy doświadczonej osoby na stanowisko
Mid+
AI / Backend Engineer
.

Platforma dostarczana przez klienta eliminuje żmudną analitykę w zespołach przedsiębiorstw dzięki elastycznej architekturze, rozwiązaniom agentycznym i zaawansowanym przepływom pracy. W tej roli dołączysz do zespołu programistycznego, gdzie będziesz mieć realny wpływ na architekturę systemów trafiających bezpośrednio na produkcję,tworząc i skalując infrastrukturę backendową oraz systemy sztucznej inteligencji.

Szukamy osoby, która nie jest jeszcze seniorem, ale niewiele jej brakuje do tego poziomu. Klientowi zależy, żeby podjąć współpracę z osobą samodzielną, która dostaje dobrze opisane zadanie i dowozi je bez prowadzenia za rękę.

Codzienne zadania
📍 Tworzenie i rozwój skalowalnych usług backendowych (Python, FastAPI) napędzających platformę AI.

📍 Budowa i optymalizacja potoków RAG, systemów agentów AI oraz orkiestracja modeli LLM na produkcji.

📍 Wsparcie w tworzeniu infrastruktury chmurowej (AWS / Azure), w tym izolacją wieloabonencką (multi-tenant) i funkcjami serverless.

📍 Tworzenie elastycznego ekosystemu integracji sterowanego przez API oraz zewnętrzne konektory.

📍 Prowadzenie przeglądów kodu (code reviews), dbanie o standardy testowania i mentoring młodszych inżynierów.

📍 Dbanie o bezpieczeństwo systemu (JWT, OAuth2, RBAC, ochrona przed prompt injection).

Wymagania
⚡️ 3-5 lat doświadczenia komercyjnego w backend engineeringu z wykorzystaniem Pythona.

⚡️ Bardzo dobra znajomość frameworka FastAPI (async, Pydantic, dependency injection).

⚡️ Doświadczenie w pracy z PostgreSQL (projektowanie schematów, optymalizacja zapytań, migracje z Alembic).

⚡️ Doświadczenie z systemami AI (LLM, RAG) -> tool calling, function calling, multi-step reasoning, MCP / Model Context Protocol

⚡️ Wiedza z zakresu chmury: AWS (Lambda, S3, ECS, API Gateway) i/lub Azure.

⚡️ Znajomość Docker, Kubernetes, CI/CD (GitHub Actions, GitLab CI) oraz IaC (Terraform / AWS CDK).

⚡️ Doświadczenie produkcyjne w integracji API modeli LLM (OpenAI, Anthropic Claude, Google Gemini).

⚡️ Bardzo dobra znajomość języka angielskiego w mowie i piśmie.

**Mile widziane

⚡️**
Znajomość TypeScriptu (zaawansowany system typów: generics, utility types, conditional types).

⚡️ Praktyczna znajomość Celery oraz asynchronicznego przetwarzania zadań (Redis / RabbitMQ).

⚡️ Doświadczenie z GraphRAG oraz grafowymi bazami danych (Neo4j).

⚡️ Praktyka w serwowaniu modeli LLM on-premise (vLLM, TGI, TensorRT-LLM) oraz znajomość technik fine-tuningu (LoRA/QLoRA).

⚡️ Znajomość Pulumi, gRPC lub GraphQL.

Jak aplikować?

👉 Wyślij nam swoje zgłoszenie w formularzu!

Это сохранённая копия объявления, опубликованного в другом месте. Вакансии снимают без предупреждения — перед откликом проверьте сайт работодателя. mentors.coach не является нанимающей стороной.

Backend Engineer

Especialista Integración y APIS (IBM App Connect Enterprise (ACE))

Towa Software

Удалённоfulltime

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Описание вакансии

ESPECIALISTA SENIOR DE INTEGRACIÓN Y APIs
🏢
Modalidad:
Home Office

Sobre la posición
Buscamos un
Especialista Senior de Integración y APIs
para fortalecer nuestro equipo de integración empresarial.

La persona será responsable de diseñar, desarrollar y mantener soluciones de integración entre diferentes sistemas y plataformas, utilizando
IBM App Connect Enterprise (ACE)
como una de las principales tecnologías del entorno.

Buscamos un perfil técnico con experiencia comprobable en
integración empresarial, APIs, microservicios y plataformas de middleware
, capaz de participar en el diseño de soluciones robustas, seguras y escalables.

Responsabilidades

  • Diseñar, desarrollar y mantener soluciones de integración utilizando IBM App Connect Enterprise (ACE).
  • Desarrollar e implementar APIs y servicios empresariales para la integración de aplicaciones y sistemas.

Requisitos indispensables

  • Experiencia comprobable con IBM App Connect Enterprise (ACE).
  • Experiencia sólida en integración de sistemas empresariales.
  • Experiencia en diseño y desarrollo de APIs REST y/o SOAP.
  • Experiencia con microservicios y servicios empresariales.

Será un plus si cuentas con

  • Experiencia con AWS o Google Cloud Platform (GCP).
  • Experiencia con API Management / API Gateway.
  • Conocimientos de API Governance.

💰 Oferta
Sueldo competitivo acorde con experiencia y conocimientos técnicos.
Esquema nominal con prestaciones de ley y beneficios internos.
¿Te interesa?
Postúlate enviando tu CV para participar en nuestro proceso de selección. Recuerda que es importante que se mencione en tu CV la experiencia en los requisitos al menos indispensables.

  • Se podría requerir documentación personal en alguna parte del proceso de reclutamiento y selección-

Это сохранённая копия объявления, опубликованного в другом месте. Вакансии снимают без предупреждения — перед откликом проверьте сайт работодателя. mentors.coach не является нанимающей стороной.

Backend Engineer

Concepteur Développeur Sénior - Tech Lead Java/Angular (H/F/N)

OPEN

Удалённоother

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Описание вакансии

Contexte de la mission
Nous sommes une entreprise incontournable sur les marchés IDF, avec une forte présence dans les secteurs Public, Bancaire, Industrie, Télécoms, Transport et Énergie.

L’équipe parisienne Application Services compte près de 1500 collaborateurs. Nous accompagnons nos clients, de bout en bout, sur leurs projets applicatifs, notamment sur les stacks technologiques DevOps, Data, Cloud et Modern Workplace.

Venez renforcer nos équipes !

Nous recrutons un Concepteur Développeur Sénior / Tech Lead JAVA Confirmé H/F avec idéalement une expérience en Banque ou en Assurance, qui nous apportera son bagage technique et sa vision nouvelle.

Vous aurez la possibilité d'intervenir sur des missions en régie dans un contexte Agile.

Ce qui vous attend

  • Concevoir et implémenter des modules à développer dans le respect de l’architecture posée
  • Réaliser ou participer à la conception technique générale du système
  • Développer, suivre et contrôler la fiabilité des développements
  • Être le relais des Responsables Techniques dans la montée en compétences des développeurs et force de proposition sur les choix de technologie et d’outils sur les projets
  • Remonter les alertes au plus tôt
  • Mettre en production, industrialiser et intégrer
  • Assurer la maintenance et le support technique
  • Participer à la réalisation de différentes études (analyse d’impact, études préalables, d’opportunité, de faisabilité techniques) et estimer les charges de travail pour les développements (chiffrages notamment)
  • Être référent technique sur tout ou partie de l’application en fonction de l’expérience acquise

Vous êtes fait(e) pour ce poste si

  • Vous justifiez d'une expérience de 6 ans minimum sur la fonction de Concepteur Développeur Sénior / Tech Lead JAVA, idéalement dans le domaine de la Banque de détail ou de l’Assurance
  • Vous avez déjà travaillé dans un environnement Agile ainsi que sur ses outils (JAVA / ANGULAR / REACT / Hibernate / Spring / SpringMVC / Web API / JavaScript / HTML / CSS / PostGreSQL / SQL Server)
  • La maîtrise de l’anglais et la pratique de l’Agilité seront de véritables atouts

Votre envie, votre bonne humeur, votre capacité relationnelle et votre rigueur sont à la hauteur de votre dynamisme. Vous souhaitez vous projeter dans une nouvelle aventure, au sein d'une structure forte, et intégrer une équipe d'architectes et de référents techniques.

Au-delà de la mission, vous pourrez

  • Intervenir sur différentes missions dans des secteurs d'activités variés (Énergie, Transport, Télécoms, Médias, Automobile)
  • Rejoindre nos Practices Technologiques, notre programme interne de communautés d'experts sur des technologies émergentes (Modern Workplace, Data, Cloud, DevOps...)
  • Continuer à grandir techniquement via un suivi de carrière personnalisé, un accès aux formations et aux certifications (Azure, AWS, etc.)

Poste en CDI à pourvoir dès que possible

Notre process de recrutement
Un bref échange téléphonique

Une première rencontre avec un chargé de recrutement et un ressources manager pour parler de vous, de vos aspirations professionnelles et vous présenter Open

Un deuxième échange avec un interlocuteur de l’équipe technique

Vous serez accompagné(e) par le chargé de recrutement qui vous fera un retour complet et franc tout au long du process.

Après vous avoir souhaité la bienvenue, vous bénéficierez d’un parcours d’intégration sur mesure.

Pourquoi nous rejoindre ?
Ce sont nos Ambassadeurs qui en parlent le mieux, découvrez leurs témoignages sans filtre :

https://www.welcometothejungle.com/fr/companies/open

Code REC : MEL25329

Et vous, qu’attendez-vous pour être Open ?

#RecrutezNous #AllezVientOnEstBien

Qu’attendez-vous pour être Open ?

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Staff Core Platform Engineern8n

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