Big Data Engineer (junior/mid)

Platforma zarządzania flotą robotów intralogistycznych potrzebuje solidnej warstwy danych i infrastruktury. Poszukujemy inżyniera, który ogarnia równie sprawnie bazę danych jak pipeline CI/CD - i rozumie, że w systemach czasu rzeczywistego infrastruktura jest równie krytyczna jak kod.

Zakres obowiązków

• Redis - dane live i messaging Projektowanie i utrzymanie struktur Redis dla wysokoczęstotliwościowego stanu live floty robotów; implementacja Pub/Sub i Streams do dystrybucji telemetrii; monitorowanie i optymalizacja wydajności.
• PostgreSQL - dane trwałe Projektowanie schematu baz danych: mapy, roboty, użytkownicy, logi audytowe; tworzenie i zarządzanie migracjami, indeksami i strategiami partycjonowania; backup i disaster recovery.
• Edge i sieć Konfiguracja i utrzymanie Nginx jako reverse proxy, load balancera i serwera WWW; zarządzanie ruchem między serwisami flotowymi - routing, TLS, rate limiting.
• Pakowanie i wdrożenia Konteneryzacja i orkiestracja komponentów C++, Python i baz danych w Dockerze i Kubernetes; budowa i utrzymanie pipeline'ów CI/CD; zarządzanie środowiskami dev / staging / produkcja.

Tech Stack

• In-memory / Messaging Redis (Pub/Sub, Streams)
• Relational PostgreSQL (migrations, indexing)
• Networking Nginx (reverse proxy, load balancer)
• Containers & CI/CD Docker, Kubernetes, CI/CD

Wymagania kluczowe

• Redis - ekspert Wysokoczęstotliwościowy live state, Pub/Sub messaging i strumieniowanie telemetrii - produkcyjne doświadczenie
• PostgreSQL - ekspert Projektowanie schematu, optymalizacja zapytań, migracje i indeksowanie
• Nginx Głęboka znajomość Nginx jako reverse proxy, load balancera i serwera WWW w środowiskach produkcyjnych
• Docker | Kubernetes | CI/CD Konteneryzacja i orkiestracja złożonych stacków (C++, Python, bazy danych) oraz automatyzacja wdrożeń

Mile widziane

• Doświadczenie z systemami telemetrii i strumieniowania danych czasu rzeczywistego (Redis Streams, Kafka, NATS)
• Znajomość narzędzi observability: Prometheus, Grafana, OpenTelemetry, Loki
• Znajomość zagadnień bezpieczeństwa infrastruktury: sieć, TLS, secrets management (Vault)
• Doświadczenie z systemami edge computing lub wdrożeniami w środowiskach przemysłowych / on-premise
• Znajomość języka angielskiego na poziomie B2+ (dokumentacja techniczna, współpraca z zespołem)

Co oferujemy

• Praca nad infrastrukturą systemu fleet management czasu rzeczywistego - nie standardowy CRUD stack
• Współpraca z zespołami C++ i Python budującymi platformę robotyczną nowej generacji
• Konkurencyjne wynagrodzenie dostosowane do poziomu doświadczenia i kompetencji
• Stabilna umowa o pracę - pełny etat
• Elastyczny model hybrydowy
• Prywatna opieka medyczna i ubezpieczenie na życie
• Pełna odpowiedzialność za warstwę danych i infrastrukturę - realne decyzje architektoniczne
• Dostęp do konferencji i szkoleń z obszaru DevOps, data engineering i systemów rozproszonych

Jak będzie wyglądać proces rekrutacji

• Aplikacja – po otrzymaniu CV wracamy z informacją zwrotną
• Rozmowa wstępna (HR) – wzajemne poznanie i omówienie oczekiwań
• Rozmowa techniczna – sprawdzenie kompetencji i doświadczenia projektowego
• Decyzja i formalności – jasne warunki i szybkie domknięcie procesu

Dołącz do zespołu, który tworzy przyszłość intralogistyki!
Pod marką A1 Sorter tworzymy
innowacyjne urządzenia automatyki magazynowej
. Nasze logo znajdziesz na sorterach, przenośnikach, windach magazynowych, systemach specjalistycznych, stołach do kompletacji zamówień i wielu innych akcesoriach. Dynamicznie rozwijamy się na rynkach europejskich, współpracując z liderami branży logistyki magazynowej. Stawiamy na
innowacyjność
,
efektywność
opartą na komponentach od światowych liderów oraz
elastyczne podejście
do potrzeb klientów.

Praca w A1 Sorter to nie tylko możliwość rozwoju zawodowego, ale także szansa na udział w tworzeniu nowoczesnych rozwiązań, które mają realny wpływ na efektywność procesów logistycznych. Nasze innowacyjne podejście i elastyczność w działaniu sprawiają, że jesteśmy liderem w branży. Dołączając do nas, stajesz się częścią zespołu, który ceni
kreatywność
,
zaangażowanie
i
współpracę
.

Papaya Global is a rapidly growing, award-winning B2B tech unicorn with an ambitious mission to revolutionize the payroll & payments industry. With over $400M raised from multiple tier-one investors, our innovative technology provides a comprehensive solution for managing global workforces, encompassing everything from hiring and onboarding to managing and paying employees in over 160 countries.

Papaya Global is looking for an excellent
DevOps Engineer
to join our growing team! You will be responsible for the development and production environments, working with the R&D teams using cutting-edge technology over AWS Cloud. You will also design, implement and maintain infrastructure, efficient CI/CD pipelines, serverless services, and Docker containers.

The DevOps Engineer will provide a technical vision to Papaya Global cloud infrastructure, promote and implement cloud security best practices, identify inefficiencies in the engineering processes, and solve them using automation.

You will:

• Design and implement Papaya Global's cloud infrastructure across development, testing, and production environments on AWS
• Ensure our production environment maintains the highest standards of stability, availability, and performance
• Review the current automation strategy partnering with stakeholders to implement a holistic, scalable solution that supports our multi-year growth trajectory
• Work with the Information Security team to improve security, enhance data isolation, access controls and network/application security across our infrastructure.
• Work closely with the R&D department in Poland, India & Israel.
• Leverage AI-powered engineering and DevOps tools to improve scripting, infrastructure automation, troubleshooting, observability, CI/CD optimization, and operational efficiency across cloud and production environments

Requirements:

• 3+ years of experience as a DevOps engineer
• 3+ years of experience with AWS
• Experience with K8S and Microservices
• Experience with Github Actions for CI/CD Pipelines
• Proven experience with Terraform & Terragrunt for IAC
• Experience with GitOps workflows and tools
• Experience leveraging AI tools for DevOps automation and optimization.
• Strong AWS networking knowledge: VPCs, subnets, security groups, and troubleshooting
• Track record of successful cross-team collaboration on company-wide initiatives (automation, security, migrations, monitoring)
• Experience implementing and maintaining secure AWS environments
• Strong problem-solving abilities with attention to detail
• Collaborative team player who thrives working independently

Nice to have:

• AWS certifications (Solutions Architect, DevOps Engineer)
• Experience working with AWS Bedrock.
• Large-scale cloud environment experience (multi-region, high-availability)
• Demonstrated ability to develop and maintain custom GitHub Actions using JavaScript/Node.js

We are seeking a skilled
Software Engineer
with a deep, practical focus on
Bazel
to join our project team in building and scaling a modern, comprehensive internal developer platform. In this role, you will play a key part in designing, optimizing, and maintaining advanced build infrastructure and automation pipelines that support the full software development lifecycle.

While backend experience in C++ or Go is required,
hands-on expertise with Bazel is the absolute core requirement for this position.
Responsibilities

• Design, implement, and maintain scalable build systems using Bazel.
• Optimize build performance, cache efficiency, and CI/CD pipeline execution times.
• Develop custom developer tooling, automation scripts, and internal platform integrations.
• Collaborate with engineering teams to migrate existing codebases/build workflows to Bazel.
• Troubleshoot complex build, compilation, and dependency management issues across distributed environments.

Requirements

• Strong, practical experience with Bazel (configuring build targets, rules, dependencies, and caching).
• Solid engineering background in C++ or Go (Golang).
• Hands-on experience with CI/CD pipelines and build automation tools.
• Good understanding of modern software development infrastructure, containerization (Docker), and developer workflows.
• Strong analytical and troubleshooting skills with a focus on system performance and build optimization.
• Good communication skills in English.

Nice to have

• Experience writing custom Bazel rules (Starlark).
• Background in building internal developer platforms or core infrastructure tooling.
• Familiarity with both C++ and Go ecosystems.

We offer

• Opportunity to work on bleeding-edge projects
• Work with a highly motivated and dedicated team
• Competitive salary
• Flexible schedule
• Benefits package - medical insurance, sports
• Corporate social events
• Professional development opportunities
• Well-equipped office

About Us
Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI, supported by profound expertise and ongoing investment in data, analytics, cloud & DevOps, application modernization and customer experience. Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.

Company Overview
At Motorola Solutions, we believe that everything starts with our people. We’re a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. We build and connect technologies to help protect people, property and places. Our solutions foster the collaboration that’s critical for safer communities, safer schools, safer hospitals, safer businesses, and ultimately, safer nations. Connect with a career that matters, and help us build a safer future.

Department Overview
At Motorola Solutions, our technologies support public safety agencies and enterprises worldwide. When a crisis hits, our ASTRO® 25 communication network is the mission-critical lifeline that first responders rely on. We are looking for an engineer to help us build and automate the Linux-based computing platforms that keep those systems running.

Job Description
We are seeking engineers to join our ASTRO Virtual Platform Team.
To be clear: this is not a day-to-day IT support or traditional sysadmin role.
Instead of manual configuration or repetitive patching, your focus will be on Infrastructure as Code (IaC) and automation. You will help design, implement, and automate the Linux based virtualized platform that powers MSI’s most critical technology products at scale.

What You’ll Be Doing

• Automating the Lifecycle: Developing and maintaining software solutions for the automated installation, upgrade and configuration of Linux systems.
• Building the Foundation: Implementing features and low-level designs for virtualized (KVM) environments, ensuring high performance and reliability.
• Driving Quality: Designing and executing automated functional and performance tests to ensure our platforms are bulletproof.
• Collaborating Globally: Working within an Agile, international team to make infrastructure deployment effortless, secure and robust.

Basic Requirements

• Linux Expertise: 2+ years of hands-on experience with Linux operating systems (ideally RedHat) and virtualization technologies.
• An Automation Mindset: Strong scripting skills with Bash, Python, or Ansible. If you understand core automation/programming concepts, we will help you master our specific tech stack!
• Core Systems Knowledge: A solid grasp of Linux pillars, including systemd services, logging configuration, and access controls.
• The Geek Factor: A strong analytical mindset, deep technical curiosity, and the ability to communicate effectively in English.

Bonus Points If You Bring

• Networking/Security Foundation: An understanding of TCP/IP networking and TLS/PKI concepts.
• Modern Workflows Experience: Familiarity with Git, CI/CD pipelines, and Agile processes. (Don't worry if you aren't an expert yet—these are core to our workflow, and you'll get plenty of hands-on experience learning them here).
• Cross-Platform Flexibility: Some familiarity with PowerShell (or a willingness to learn it!). Since our computing platform integrates both Linux and Windows ecosystems, being able to speak a little "Windows" is an advantage.
• Professional Certifications: RHCSA, RHCE, or CCNA.

In return for your expertise, we’ll support you in this new challenge with coaching & development every step of the way.
Also, To Reward Your Hard Work You’ll Get

• Competitive salary package
• Private medical & dental coverage
• Employee Pension Plan
• Life insurance
• Employee Stock Purchase Plan
• Flexible working hours
• Strong collaborative culture
• Comfortable work conditions (high-class offices, parking space)
• Volleyball field and grill place next to the office
• Access to wellness facilities and integration events as well as training and broad
• Development opportunities

Travel Requirements

None

Relocation Provided

None

Position Type

Experienced

Referral Payment Plan

No

Company
Motorola Solutions Systems Polska Sp.z.o.o

EEO Statement
Motorola Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion or belief, sex, sexual orientation, gender identity, national origin, disability, veteran status or any other legally-protected characteristic.

We are proud of our people-first and community-focused culture, empowering every Motorolan to be their most authentic self and to do their best work to deliver on the promise of a safer world. If you’d like to join our team but feel that you don’t quite meet all of the preferred skills, we’d still love to hear why you think you’d be a great addition to our team.