Firmware Linux Engineer (m/f/d)

Who You'll Work With
Driving lasting impact and building long-term capabilities with our clients is not easy work. You are the kind of person who thrives in a high performance/high reward culture - doing hard things, picking yourself up when you stumble, and having the resilience to try another way forward.

In return for your drive, determination, and curiosity, we'll provide the resources, mentorship, and opportunities you need to become a stronger leader faster than you ever thought possible. Your colleagues—at all levels—will invest deeply in your development, just as much as they invest in delivering exceptional results for clients. Every day, you'll receive apprenticeship, coaching, and exposure that will accelerate your growth in ways you won’t find anywhere else.

When you join us, you will have:

• Continuous learning: Our learning and apprenticeship culture, backed by structured programs, is all about helping you grow while creating an environment where feedback is clear, actionable, and focused on your development. The real magic happens when you take the input from others to heart and embrace the fast-paced learning experience, owning your journey.
• A voice that matters: From day one, we value your ideas and contributions. You’ll make a tangible impact by offering innovative ideas and practical solutions, all while upholding our unwavering commitment to ethics and integrity. We not only encourage diverse perspectives, but they are critical in driving us toward the best possible outcomes.
• Global community: With colleagues across 65+ countries and over 100 different nationalities, our firm’s diversity fuels creativity and helps us come up with the best solutions for our clients. Plus, you’ll have the opportunity to learn from exceptional colleagues with diverse backgrounds and experiences.
• World-class benefits: On top of a competitive salary (based on your location, experience, and skills), we provide a comprehensive benefits package to enable holistic well-being for you and your family.

Your Impact
You will collaborate with a global network of technologists, designers, and strategists to help clients transform their businesses through innovative digital solutions.

You’ll develop cutting-edge products, mentor client teams, and shape engineering cultures while growing your expertise across diverse industries and technologies.

You will work hands-on with clients across industries to bring their digital ambitions to life. You will develop software products and services from the ground up while coaching and mentoring client teams on engineering best practices, user-centric design, and Agile values. By co-creating with clients and their leadership, you’ll help build not only cutting-edge products but also the technical capabilities and cultures needed to sustain them.

Your work will drive meaningful change for clients and their industries. You will participate in cross-functional problem-solving sessions with client leaders, shaping their digital strategies and delivering solutions that go beyond the product itself. Your efforts will help clients build scalable teams and engineering cultures that enable long-term success.

You will collaborate with clients across industries to turn their digital ambitions into reality through hands-on technical expertise. Based in one of our global locations, you will be part of QuantumBlack, AI by McKinsey, a multidisciplinary group of software engineers, AI engineers, data scientists, and technology consultant passionate about creating industry-shaping products and tools.

At McKinsey, you’ll grow as a technologist and leader. You’ll work across diverse industries and technologies, learning something new with every project. With opportunities to contribute to digital strategies, build impactful products, and mentor others, you’ll have the freedom to chart your own path and grow in the areas that excite you most.

Your Qualifications and Skills

• Undergraduate or master’s degree; or equivalent experience
• 2+ years of experience developing full-stack applications by writing code that is readable, testable, maintainable, and scalable
• Demonstrated experience working collaboratively with other developers, as well as technical and non-technical people within software teams
• Hands-on experience and willingness to learn across frontend (TypeScript, React, Angular, Vue, Next.js, Tailwind), backend (Python, Node.js, Java/Spring, C#/.NET), and databases (SQL, NoSQL, vector databases, ETL)
• Experience with LLM frameworks, prompt orchestration, agent frameworks, MCPs, evaluation frameworks, and cloud platforms (Azure, AWS, GCP), including Docker and CI/CD
• Strong focus on automated testing, logging, monitoring, and overall system reliability
• Experience working in Agile teams, including active participation in sprint ceremonies
• Experience pair programming collaboratively with other developers
• Exceptional time management to meet your responsibilities in a complex and largely autonomous work environment
• Strong communication skills, both verbal and written, in English and local language, with the ability to adjust your style to suit different perspectives and seniority levels

CoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at www.coreweave.com.

We're proud to be a Living Wage accredited Employer.

What You'll Do
CoreWeave’s Inference team builds and operates the core cloud platform powering massive-scale GPU workloads for generative AI and real-time inference applications. Our stack is engineered natively on Kubernetes for maximum speed, scale, and cost efficiency—providing an industry-defining platform that enables teams to deploy models with confidence. We work cross-functionally across organizational boundaries to deliver high-performance, low-latency infrastructure at scale.

About The Role
As a Senior Software Engineer, you will serve as an area owner responsible for leading technical designs, raising engineering standards, and delivering measurable improvements across multiple services. You will partner with product, orchestration, and hardware teams to evolve our Kubernetes-native inference platform while meeting strict P99 SLAs at scale. This role involves leading design reviews, decomposing multi-service work into clear milestones, and owning critical infrastructure areas such as request routing, adaptive scheduling, cost-per-token analytics, and GPU resource isolation. You will implement advanced optimizations—including micro-batch schedulers, speculative decoding, and KV-cache reuse—while evolving capacity planning, autoscaling policies, and mentoring engineers across the team.

Who You Are

• 3+ years of professional industry experience building distributed systems or high-performance cloud services.
• Strong software development skills in Python or Go, alongside a deep familiarity with networked systems and performance optimization.
• Hands-on experience with Kubernetes at production scale, including automated CI/CD and modern observability stacks (Prometheus, Grafana, OpenTelemetry).
• Practical, working knowledge of inference internals: batching strategies, caching, mixed precision (BF16/FP8), and streaming token delivery.
• Proven track record of improving tail latency (P95/P99) and service reliability through metrics-driven engineering work.
• Experienced in defining and owning SLIs/SLOs, managing capacity planning, autoscaling policies, and driving post-incident remediation.
• Bachelor’s or Master’s degree in Computer Science or a related technical field (or equivalent practical experience).

Preferred

• Experience with low-level systems and high-performance computing components (e.g., C++ development, CUDA kernels, NCCL/SHARP, RDMA/NUMA, or GPU interconnect topologies).
• Active open-source or production contributions to modern inference frameworks (such as vLLM, Triton, TensorRT-LLM, Ray Serve, or TorchServe).
• Experience leading multi-team technical initiatives or partnering directly with enterprise customers on mission-critical platform launches.

Wondering if you're a good fit?
We believe in investing in our people, and value candidates who can bring their own diversified experiences to our teams even if you aren't a 100% skill or experience match. Here are a few qualities we've found compatible with our team. If some of this describes you, we'd love to talk.

• You love to own critical architectural spaces, breaking down complex multi-service engineering work into high-impact, achievable milestones.
• You're curious about pioneering advanced model serving optimizations to maximize platform throughput and drive cost-per-token efficiencies.
• You're an expert in metrics-driven engineering, systematically troubleshooting tail latency bottlenecks, and elevating coding and testing standards across a team.

Why CoreWeave?
About
At CoreWeave, we work hard, have fun, and move fast! We're in an exciting stage of hyper-growth that you will not want to miss out on. We're not afraid of a little chaos, and we're constantly learning. Our team cares deeply about how we build our product and how we work together, which is represented through our core values:

• Be Curious at Your Core
• Act Like an Owner
• Empower Employees
• Deliver Best-in-Class Client Experiences
• Achieve More Together

We support and encourage an entrepreneurial outlook and independent thinking. We foster an environment that encourages collaboration and enables the development of innovative solutions to complex problems. As we get set for takeoff, the organisation's growth opportunities are constantly expanding. You will be surrounded by some of the best talent in the industry, who will want to learn from you, too. Come join us!

The base salary range for this role is
321,000 PLN to 428,000 PLN
gross annually. The starting salary will be determined based on job-related knowledge, skills, experience, and market location. We strive for both market alignment and internal equity when determining compensation. In addition to base salary, our total rewards package includes a discretionary bonus, equity awards, and a comprehensive benefits program (all based on eligibility).

To fulfill our obligation to protect client data, successful applicants offered employment with CoreWeave will be required to complete a basic criminal record check, conducted in compliance with GDPR. Employment offers are conditional upon receiving satisfactory check results
What We Offer
In addition to a competitive salary, we offer a variety of benefits to support your needs, including:

• Family-level Medical Insurance
• Family-level Dental Insurance
• Generous Pension Contribution
• Life Assurance at 4x Salary
• Critical Illness Cover
• Employee Assistance Programme
• Tuition Reimbursement
• Work culture focused on innovative disruption

Benefits may vary by location.
Equal Opportunity
CoreWeave is an equal opportunity employer, committed to fostering an inclusive and supportive workplace. All qualified applicants and candidates will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information.
Recruitment Agencies
CoreWeave does not accept speculative CVs. Any unsolicited CVs received will be treated as the property of CoreWeave and your Terms & Conditions associated with the use of CVs will be considered null and void.
Any unsolicited CVs sent by your company to us – that is to say, in any situation where we have not directly engaged your company in writing to supply candidates for a specific vacancy – will be considered by us to be a “free gift”, leaving us liable for no fees whatsoever should we choose to contact the candidate directly and engage the candidate’s services, and will in no way establish any prior claim by your company to representation of that candidate should the candidate’s details also be submitted by any other party.
Export Control Compliance
This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C.

• 1157, or (iv) asylee under 8 U.S.C.
• 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. CoreWeave may, for legitimate business reasons, decline to pursue any export licensing process.

Updated privacy notice - UK and EU Job Applications
When you apply to a job on this site, the personal data contained in your application will be collected by CoreWeave UK Ltd. (“Controller”), which is located at
Phosphor (6th Floor), 133 Park Street, London, SE1 9EA
and can be contacted by emailing
careers.eu@coreweave.com
. Controller’s data protection officer can be contacted at
privacy@coreweave.com
. Your personal data will be processed for the purposes of managing Controller’s recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results thereto, and as is otherwise needed in the recruitment and hiring processes. Such processing is legally permissible under Art. 6(1)(f) of (i) Regulation (EU) 2016/679 (General Data Protection Regulation (“GDPR”) and (ii) the GDPR as it forms part of the laws of the UK (“UK GDPR”), as necessary for the purposes of the legitimate interests pursued by the Controller, which are the solicitation, evaluation, and selection of applicants for employment. Your personal data will be shared with Greenhouse Software, Inc., a cloud services provider located in the United States of America and engaged by Controller to help manage its recruitment and hiring process on Controller’s behalf. With respect to transfers originating from the UK or the European Economic Area ("EEA") to a country outside the UK or the EEA, we implement the appropriate transfer mechanism(s) and other appropriate solutions to address cross-border transfers as required by applicable law. You may request a copy of the suitable mechanisms we have in place by contacting us at
privacy@coreweave.com
Your personal data will be retained by Controller as long as Controller determines it is necessary to evaluate your application for employment. Where permitted by applicable law, we may also retain your personal data for a limited period after the recruitment process ends in order to consider you for future job opportunities, respond to legal claims, or comply with record-keeping obligations. Under the GDPR and the UK GDPR, you have the right to request access to your personal data, to request that your personal data be rectified or erased, and to request that processing of your personal data be restricted. You also have the right to data portability. In addition, you may lodge a complaint with the relevant supervisory authority: (i) A list of Europe’s data protection authorities can be found
here
; and (ii) for the UK, this is the
Information Commissioner's Office
.
For additional information, please see our
Privacy Policy
.

Job Req Number: 114738

Time Type: Full Time

PLEASE REMEMBER TO CLICK "APPLY" BUTTON AFTER SAVING YOUR PROFILE TO COMPLETE YOUR APPLICATION PROCESS.
Do naszego zespołu poszukujemy
Senior IT Developera
, który będzie rozwijać nowoczesne rozwiązania backendowe oraz aktywnie współtworzyć
projekty oparte na rozwiązaniach GEN AI
i automatyzacje wspierające biznes.

Szukamy osoby, która bardzo dobrze zna
Python
(
FastAPI, Pydantic, sqlalchemy, pandas, aiofiles, aiohttp)
i
SQL
, ma doświadczenie w budowie produkcyjnych rozwiązań oraz potrafi łączyć kompetencje developerskie z praktycznym podejściem do projektów opartych o sztuczną inteligencję.

Twoje zadania

• Rozwój i utrzymanie aplikacji backendowych w Pythonie
• Projektowanie i rozwój API w FastAPI (aplikacje async, integracje IO-bound)
• Tworzenie i optymalizacja logiki bazodanowej w SQL
• Udział w realizacji i rozwoju projektów GEN AI (mile widziane doświadczenie z Vertex AI API / Azure Foundry)
• Integracja nowych rozwiązań z istniejącymi systemami i procesami
• Współpraca z biznesem i zespołami technicznymi przy projektowaniu rozwiązań
• Dbanie o jakość kodu, wydajność i stabilność dostarczanych aplikacji

Nasze oczekiwania

• Bardzo dobra znajomość Python
• Znajomość narzędzi i praktyk podnoszących jakość kodu: typed Python (type hints, ty, mypy), uv, ruff
• Praktyczne doświadczenie z FastAPI
• Bardzo dobra znajomość SQL
• Doświadczenie w projektowaniu i integracji REST API
• Samodzielność, odpowiedzialność i dobre umiejętności komunikacyjne
• Dobra znajomość języka angielskiego

Mile widziane

• Znajomość MS SQL
• Doświadczenie z integracjami systemowymi i automatyzacją procesów
• Znajomość dobrych praktyk w zakresie jakości i bezpieczeństwa oprogramowania
• Doświadczenie w pracy przy projektach opartych na GEN AI (projektowanie logiki agentów, promptów, walidacja wiedzy domenowej, integracja z LLM API, budowanie customowej orkiestracja)

To oferujemy

• Zatrudnienie na podstawie umowy o pracę wraz z pakietem benefitów
• Szkolenia i programy rozwojowe oraz dostęp do platformy e-learningowej
• Program onboardingowy (wdrożeniowy) ze wsparciem Buddy’ego
• Udział w corocznej, ogólnofirmowej imprezie integracyjnej
• Pracę opartą na skandynawskiej kulturze organizacyjnej
• Możliwość rozwoju w ramach programu przejść wewnętrznych

Benefity

• Dofinansowanie zajęć sportowych
• Prywatna opieka medyczna
• Dofinansowanie nauki języków
• Dofinansowanie szkoleń i kursów
• Ubezpieczenie na życie
• Spotkania integracyjne
• Siłownia w biurze
• Firmowa drużyna sportowa
• Kawa / herbata
• Parking dla pracowników
• Dodatkowe świadczenia socjalne
• Dofinansowanie wypoczynku
• Paczki świąteczne
• Program rekomendacji pracowników
• Inicjatywy dobroczynne
• Kantyna pracownicza
• Parking rowerowy
• Nowoczesne i ergonomiczne biuro
• Joga w biurze

DSV – Global transport and logistics
Working at DSV means playing in a different league.

As a global leader in transport and logistics, we have been on an extraordinary journey of growth. Let’s grow together as we continue to innovate, digitalise and build on our achievements.

With close to 150,000 colleagues in over 90 countries, we work every day to offer solid services and meet our customers’ needs and help them achieve their goals. We know that the best way to achieve this is by bringing in new talent, fresh perspectives and ambitious individuals like you.

At DSV, performance is in our DNA. We don’t just work – we aim to shape the future of logistics. This ambition fuels a dynamic environment built on collaboration with world-class team players, accountability and action. We value inclusivity, embrace different cultures and respect the dignity and rights of every individual. If you want to make an impact, be trusted by customers and grow your career in a forward-thinking company – this is the place to be.

Start here. Go anywhere
Visit dsv.com and follow us on LinkedIn and Facebook.

Opis stanowiska pracy
Circle K Business Centre is a shared services center that supports Circle K Europe’s operations through a wide range of services in finance and control, information technology, human resources, transportation fuels, and customer service.
Circle K is part of the Canadian company Alimentation Couche-Tard Inc. (Couche-Tard), one of the world’s largest publicly traded convenience store retailers, listed on the Toronto Stock Exchange (TSE). The company operates in North America, Europe, Asia, and the Middle East. It has approximately 12,300 locations in its network across North America (United States and Canada), Europe (Norway, Sweden, Denmark, Ireland, Poland, the Baltic countries), Asia, and the Middle East. We are a family of over 100,000 team members making our customers’ lives easier around the world.

Software Engineer with focus on Circle K Fuel Logistics & Supply Automation
The Software Engineer is responsible for designing, building, and maintaining integrations and automations across Circle K's fuel application landscape, including Fuel Terminal Operations, Fuel Distribution Operations, Supply Chain Optimization, Energy Trading, and Fuel Accounting. The engineer takes end-to-end ownership of the full delivery lifecycle, from requirements analysis and solution design, through testing, production deployment, and ongoing support. This is a hands-on, individually accountable position requiring at least 2 years of professional experience. The engineer operates as the primary technical point of contact for the entire application portfolio, collaborating closely with key stakeholders while independently driving quality, stability, and continuous improvement.

Key Responsibilities

• Design, develop, maintain, and support automation- and integration solutions in relation to Fuel Logistics & Supply flows.
• Take end-to-end ownership of the daily operations by monitoring performance, analyze, and help resolve incidents, and follow up on problem resolution.
• Collaborate with key stakeholders; customers, suppliers, developers, and project teams to deliver updates, patches, and modifications to existing and new flows.
• Ensure compliance with Circle K IT architecture and security standards.
• Perform and coordinate testing, regression checks, and release approvals.
• Document changes, incidents, and improvements in a clear and structured manner.

Technologies & Tools

• Programming / Scripting: .NET, Python, PySpark, SQL (SQL Server, Oracle – basic skills expected).
• Cloud / Infrastructure: AWS, Azure, Terraform, GitHub.
• Monitoring / Operations: CloudWatch, Grafana, Zabbix, Azure Monitoring.
• Integrations: REST, SOAP, Python scripting, ETL workflows.
• Orchestration: Airflow (AWS MWAA) / Azure Databricks
• Other: JIRA / Confluence

Required Qualifications

• Degree in Computer Science, Engineering, or a related field.
• At least 2 years of experience in application delivery, software development, integration, or DevOps within an enterprise environment.
• Hands‑on programming skills (Python, C#) and at least basic SQL familiarity.
• Practical experience with CI/CD tools and version control systems (Git/GitHub).
• Interest in enterprise architecture and integration patterns.
• Ability to structure tasks, follow up, and communicate clearly.
• Proactive mindset and comfort working across multiple and complex environments.
• Strong problem‑solving skills and a service‑oriented approach.
• English language skills C1 level.

Optional Qualifications

• Hands-on experience working with cloud infrastructure (Azure and/or AWS).
• Good understanding of integration flows and data processing pipelines.
• Proven experience with cloud monitoring, incident handling, or release management.
• Practical experience with containerized deployments (e.g. Docker).
• Familiarity with automation tools and infrastructure‑as‑code concepts.
• Familiarity with Fuel/Energy Supply business domain.

What do we offer?

• Contract of employment
• Annual bonus
• Private medical care
• Cafeteria Platform/Multisport
• Language lessons subsidized by the company
• Group insurance
• Attractive discounts for products and services at our stations
• Employee stock purchase plan
• Employee Assistance Program (Lyra)
• Two additional days off (Good Friday, Friday after Corpus Christi) – with the possibility of exchanging for other holidays
• Employee Referral Bonus Program
• Modern and convenient office that you can virtually visit here - https://goo.gl/maps/CLteHfYcdYMbdESq6
• Trainings & possibility to develop skills in a wide international environment

When working with us you can depend upon it that you will not be judged on the grounds of race, national origin, gender, sexual orientation, disability, age, or other legally protected status. Oppositely – we believe that our diverse and inclusive culture helps us create an amazing atmosphere where everybody feels welcome.

Check who we are here: https://youtu.be/td\-QGnNnvW0

Want to know even more about us? Take a look at our career page: https://workwithus.circlek.com/global/en/businesscentrewarsaw

Interested?
We encourage you to apply.
We know great companies are built from within, by great people like you. Come grow with us!

We´re looking forward to your application

We hereby inform that in the company Circle K Business Centre Poland sp. z o.o. with registered office in Warsaw an Internal Notification and Follow-up Actions Procedures applies.
The document describes rules for reporting violations of law by whistleblowers. Full content of the above-mentioned Procedure is available here:
https://www.circlek.pl/o\-nas/procedury\-zgloszen