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Backend Engineer

Backend Engineer

Senior Engineer AWS AI & MLOps

Aptiv

Remotesenior

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Role description

At APTIV we shape the future of mobility: we
design, develop, and validate
systems to improve safety and comfort in vehicles. Come and join the team of skilled development engineers to
design, build and scale an MLOps infrastructure
for L2++ autonomous driving systems
operating in complex urban environments.

In this role you will be responsible for an
end-to-end ML platform architecture on AWS
. The goal is to enable scalable training, validation, deployment, and observability of perception and behavioral models that meet automotive-grade reliability, safety, and performance standards.

This role sits at the intersection of
cloud operations, machine learning engineering, and drive automation
systems. Let’s be honest: it requires deep
technical leadership
across ML training pipelines, infrastructure automation, and multi-region scalability.

Your new role:
MLOps & Cloud Architecture:

  • Design and own end-to-end MLOps architecture on AWS for autonomous driving workloads
  • Build and operate a scalable multi-GPU training environments using Ray clusters

AWS Platform & Infrastructure:

  • Implement and manage: Amazon EKS / Kubernetes (K8s), VPC architecture, S3 Intelligent-Tiering, AWS Lambda, and AWS IoT infrastructure provisioned via Terraform

MLOps Pipelines & Tooling:

  • Design and operate ML pipelines using Apache Airflow and MLflow
  • Implement CI/CD pipelines for ML and infrastructure using GitHub

Algorithmic & Domain Collaboration:

  • Work closely with ML engineers on perception algorithms and decision-making algorithms

Observability, Scalability & Operations:

  • Build strong monitoring, logging, and observability systems and infrastructure
  • Enable performance metrics, failure detection, and operational insights across the ML lifecycle
  • Identify root causes of issues and rectify them
  • Engage and communicate with leaders within global development teams
  • Be exposed to OEM customers via remote meetings, in-person demonstrations and presentations

Your Background:

  • MSc degree + 4 years of relevant experience or PhD degree in Computer Science, Data Science

  • Strong experience with AWS cloud architecture for ML workloads

  • Hands-on experience in:

  • Multi-GPU training (Ray or equivalent distributed frameworks)
  • Amazon EKS / Kubernetes for ML workloads
  • Infrastructure as Code (Terraform)
  • Airflow, MLflow
  • Proficiency in software development using Python for ML and platform automation
  • Experience building and operating CI/CD pipelines (GitHub-based)
  • Deep understanding of ML training pipelines, including:
  • Data ingestion and preprocessing
  • Data quality assurance
  • Train/test validation strategies
  • Experience supporting large-scale ML experimentation and productionization
  • Familiarity with constraints of safety-critical and real-time systems
  • Excellent problem solving and debugging skills
  • Fluent command in spoken and written English

Any of the following will be highly beneficial:

  • Past experience with L2/L2+/L2++ ADAS or autonomous driving programs
  • Experience in robotic systems: perception, localization, planning, control
  • Knowledge of urban driving edge cases and sensor-heavy ML systems
  • Exposure to automotive standards, safety, or validation workflows (e.g., ISO 26262 awareness)
  • Experience operating ML platforms at enterprise or fleet scale

Why join us?
You can grow at Aptiv. Aptiv provides an inclusive work environment where all individuals can grow and develop, regardless of gender, ethnicity or beliefs.

You can have an impact. Safety is a core Aptiv value; we want a safer world for us and our children, one with: Zero fatalities, Zero injuries, Zero accidents.

You have support. We ensure you have the resources and support you need to take care of your family and your physical and mental health with a competitive health insurance package.

Your Benefits at Aptiv:

  • Private health care (Signal Iduna) and Life insurance for you and your beloved ones
  • Well-Being Program that includes regular webinars, workshops, and networking events
  • Hybrid work (min. 47 days/yr of remote work, flexible working hours)
  • Employee Pension Plan paid by the employer (you get + 3,5% on each gross salary)
  • Access to sports groups and Multisport card

Privacy Notice - Active Candidates: https://www.aptiv.com/privacy\-notice\-active\-candidates

Aptiv is an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender identity, sexual orientation, disability status, protected veteran status or any other characteristic protected by law.

This is a saved copy of a posting published elsewhere. Postings get taken down without notice — check the employer's site before applying. mentors.coach is not the hiring party.

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Backend Engineer

Senior React Native Developer

Ruby Labs

Remotefulltimesenior

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Role description

About Us
Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about\-us/

About The Role
At RubyLabs we’re looking for a
Senior React Native Developer
to join our growing engineering team and help lead our expansion into mobile. This is a role for someone who cares deeply about product quality, enjoys solving architectural challenges, and wants ownership over real features that users rely on.

You’ll play a key role in building and scaling our mobile applications, shaping the future of our mobile offering, and collaborating closely with backend and product teams to deliver a seamless, reliable, and high-performance user experience.

Key Responsibilities

  • Contribute to the development and delivery of new mobile product features.
  • Maintain and improve the existing React Native codebase, performance, and stability.
  • Define and evolve mobile architecture, system design, and technical strategy.
  • Partner with backend, product, and design teams to shape solutions that scale.
  • Drive reliability, performance, and observability standards on mobile.
  • Own production debugging, incident investigation, and root cause analysis.
  • Guide improvements in build systems, CI/CD, releases, testing, and app store deployments.
  • Support hiring and help grow a world-class mobile engineering team.
  • Champion performance across rendering, navigation, latency, memory, offline behavior, caching, and real-time experiences.

Qualifications

  • 5+ years of experience building mobile applications, with significant React Native experience.
  • Experience mentoring engineers through code reviews, architecture, and incident response is a strong plus.
  • Strong understanding of mobile system design, component architecture, state management, navigation patterns, and performance trade-offs.
  • Experience optimizing UI performance, memory usage, rendering efficiency, and startup time.
  • Deep knowledge of React internals and rendering behavior (hooks, reconciliation, lifecycle, render cost).
  • Experience working with native modules and iOS/Android bridging.
  • Shipped and maintained apps on the App Store and Google Play.
  • Experience with CI/CD, builds, release automation, and OTA updates (EAS, CodePush, or similar).
  • Experience implementing monitoring and observability (Sentry, OpenTelemetry, crash reporting, performance tracing).
  • Demonstrated ownership of edge cases, distributed failure modes, degraded APIs, offline sync, and recovery UX.
  • Demonstrated ability to lead architecture or technical strategy for a mobile app or major feature.
  • Maintains high standards for clean code, SOLID principles, maintainability, and documentation.

Nice to have

  • Experience in startup or high-ownership product teams.
  • Experience scaling real-time or multi-region mobile architectures.
  • Experience designing or building design systems, shared component libraries, or mobile platform foundations.
  • Experience improving mobile security, analytics, performance profiling, and release automation.
  • Knowledge of edge caching, streaming real-time events, WebSockets, or offline-first architectures.

Location
Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours.

Benefits
Discover the perks of being part of our vibrant team! We offer:

  • Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance.
  • Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days.
  • Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge.
  • Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them.
  • Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1nkrN76JlZkbKj9WSOhlT1\_mni\_CZeDkHdwfIjPXVwvk/preview?tab\=t.0\#heading\=h.ndsdl4wapxtt

Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth!

Interview Process
After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps:

  • Recruiter Screening (40 minutes)
  • Technical Interview (90 minutes)
  • Final Interview (60 minutes)

Life at Ruby Labs
At Ruby Labs, we move fast, aim high, and expect the same from our team. We’re not here to play small—we’re here to build, grow, and win. That means we look for people who are ambitious, driven, and ready to give their best every single day.

This is a place for individuals who thrive under pressure, embrace challenges, and see opportunity in every obstacle. If you’re hungry to achieve, motivated by impact, and want to grow at the speed of your own ambition, Ruby Labs offers the platform to make it happen.

Here, effort is matched with reward. We recognize those who go all in and deliver results, and we create space for people who want more—more responsibility, more growth, and more success.

This is a saved copy of a posting published elsewhere. Postings get taken down without notice — check the employer's site before applying. mentors.coach is not the hiring party.

Backend Engineer

JavaScript/TypeScript Developer - Remote

YO IT Consulting

Remotefulltime

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Role description

Job Title:
Software Engineering

Job Type:
Contractor (10-12 hours per week)

Location:
Remote

Job Summary
We are looking for experienced software engineers to help train and evaluate next-generation AI systems through real-world software engineering tasks. This role is best suited for developers who can reason through unfamiliar codebases, explain engineering decisions clearly, and solve practical backend, full-stack, systems, or infrastructure-related problems.

No prior AI experience is required. What matters most is strong software engineering judgment, clean technical communication, and the ability to evaluate code, architecture, tradeoffs, and implementation quality.

Key Responsibilities

  • Work on challenging software engineering tasks across backend, full-stack, infrastructure, and systems-related projects.
  • Review, debug, improve, and explain code across different technical environments.
  • Design or evaluate practical solutions involving APIs, databases, services, integrations, testing, and deployment workflows.
  • Identify tradeoffs around scalability, maintainability, performance, reliability, security, and developer experience.
  • Communicate technical reasoning clearly in writing, including why a solution works and what alternatives were considered.
  • Collaborate with the customer’s team on technical reviews, implementation decisions, and problem-solving exercises.
  • Adapt quickly to new codebases, frameworks, and technical requirements.

Required Skills And Qualifications

  • 5+ years of hands-on software engineering experience.
  • Strong experience in at least one backend or full-stack engineering environment, such as Python, JavaScript/TypeScript, Node.js, Java, C#, .NET, C++, Go, Ruby, PHP, or similar.
  • Experience building, maintaining, or reviewing production-level applications, APIs, services, databases, or integrations.
  • Strong understanding of software engineering fundamentals, including debugging, testing, code quality, architecture, and technical tradeoffs.
  • Ability to explain complex engineering decisions clearly and objectively.
  • Comfortable reading and reasoning through unfamiliar code or technical requirements

Preferred Qualifications

  • Experience with cloud environments such as AWS, GCP, or Azure.
  • Experience with CI/CD pipelines, DevOps workflows, containers, monitoring, or production operations.
  • Experience with frontend frameworks such as React, Next.js, Angular, Vue, or React Native.
  • Open-source contributions, public GitHub work, technical writing, or strong examples of past engineering work.
  • Experience mentoring engineers, reviewing code, or making architecture decisions.

This is a saved copy of a posting published elsewhere. Postings get taken down without notice — check the employer's site before applying. mentors.coach is not the hiring party.

Backend Engineer

Node.Js Developer - Remote

YO IT Consulting

Remotefulltime

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Role description

Job Description
Job Title:
Node.Js Developer

Job Type:
Contract

Location:
Remote

Job Summary:
In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.

Key Responsibilities

  • Leverage your deep knowledge of Node.js, JavaScript, and TypeScript to provide expert-level input and feedback for AI system development.
  • Analyze and review code samples to ensure accuracy, efficiency, and adherence to best practices.
  • Collaborate with multidisciplinary teams to identify key development patterns and problem-solving strategies in backend engineering.
  • Evaluate real-world Node.js scenarios to help models learn robust, scalable, and maintainable solutions.
  • Document insights, edge cases, and nuanced technical considerations in clear, effective written form.
  • Contribute to model training by communicating complex concepts in a way that's accessible for both technical and non-technical stakeholders.
  • Uphold high standards of written and verbal communication with both internal and external partners.

Required Skills And Qualifications

  • Extensive hands-on experience with Node.js, JavaScript, and TypeScript in professional environments.
  • Expert problem-solving and debugging abilities within distributed application systems.
  • Strong attention to detail in both code review and written documentation.
  • Excellent written and verbal communication skills, with an emphasis on clarity and thoroughness.
  • Deep understanding of backend application architectures and common development patterns.
  • Demonstrated ability to analyze and articulate technical trade-offs and solutions.
  • Proactive, collaborative approach to cross-functional teamwork.

Preferred Qualifications

  • Prior experience contributing to AI-related projects or model training initiatives.
  • Background in designing or maintaining large-scale, high-availability Node.js applications.
  • Experience with remote collaboration and asynchronous communication tools.

This is a saved copy of a posting published elsewhere. Postings get taken down without notice — check the employer's site before applying. mentors.coach is not the hiring party.

Backend Engineer

Backend C# Developer (.NET + AI-Assisted Development)

Smart Apartment Data

Remotefulltimelead

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Role description

Remote | Eastern Europe Only

USD $3,000-3,500/month

About Us
We're a profitable, U.S.-based technology company with over 20 years of experience building data-driven software for the real estate and analytics industry.

Our engineering team values practical problem solving, clean architecture, ownership, and continuous improvement. We work remotely, move quickly, and embrace modern development practices—including AI-assisted software engineering.

About The Role
We're looking for a Backend C# Developer who enjoys building reliable, scalable backend systems and uses modern AI development tools to improve productivity without compromising code quality.

You'll develop APIs, backend services, and data-processing applications while collaborating closely with experienced engineers in a fast-moving remote environment.

This role is ideal for someone who combines strong backend fundamentals with an AI-first engineering mindset.

What You'll Do

  • Build and maintain backend applications using C# and .NET
  • Design and develop scalable REST APIs
  • Optimize SQL Server databases and application performance
  • Troubleshoot production issues and deliver reliable solutions
  • Use AI development tools (e.g., Cursor, Claude Code, GitHub Copilot, ChatGPT) to accelerate development while maintaining high code quality
  • Collaborate with engineers to deliver clean, scalable, and maintainable software

Sneak peek of projects:

  • Big Data Orchestration
  • Data Warehousing in SQL Server & NoSQL
  • API Design with C# 13 / .NET 9

Requirements
What We're Looking For

  • Minimum 2 years of professional C#/.NET development experience
  • Good written and spoken English
  • Strong experience building REST APIs
  • Solid SQL Server and relational database skills
  • Experience debugging and maintaining production applications
  • Regularly uses AI development tools (e.g., Cursor, Claude Code, GitHub Copilot, ChatGPT) to improve development productivity while maintaining code quality
  • Able to work independently in a remote environment

Nice to Have

  • Experience with Azure
  • Experience with Docker and CI/CD pipelines
  • Entity Framework
  • Experience integrating AI or third-party APIs

Benefits
We offer:

  • Location Independent / 100% Remote
  • $3000-$3500 USD/month
  • Long-term opportunity with a stable U.S. technology company
  • Exposure to modern backend architecture and AI-assisted software development

This is a saved copy of a posting published elsewhere. Postings get taken down without notice — check the employer's site before applying. mentors.coach is not the hiring party.

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Senior Engineer AWS AI & MLOpsAptiv

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