Machine Learning Engineer (Senior/Expert)
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Specialization Machine Learning, Machine Learning Specialist
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Experience Senior
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Location Malmö
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Working mode Hybrid, Remote
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Salary B2B: 150 – 180 PLN/h
Salary: Senior 1200-1400 PLN/MD (B2B) | Expert 1400-1840 PLN/MD (B2B)
Work model: Hybrid (3 days/week from the office in Malmö, Sweden). During the first 3 months, commuting is possible, and travel costs will be covered as business travel expenses. Relocation to Malmö will be required afterwards.
Why choose this offer?
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Opportunity to work on globally used web and developer platforms
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Direct impact on frontend architecture, APIs, and developer-facing solutions
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Collaboration with international, cross-functional engineering and product teams
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Work on large-scale mapping and location-based technologies used worldwide
Project
We are looking for an experienced Senior Machine Learning Engineer to join a team responsible for building and deploying advanced machine learning solutions used at scale. You will work closely with researchers, software engineers, data scientists, analysts, and product teams to develop innovative ML-powered products and services. The role combines hands-on machine learning engineering with software development and system design. You will contribute to the full machine learning lifecycle, from data curation and model development to deployment, monitoring, and continuous optimization. Working in a multidisciplinary and international environment, you will help shape the future of AI-driven solutions while contributing to the evolution of machine learning infrastructure and tooling.
What you will be doing:
- Designing, developing and deploying scalable, production-ready machine learning solutions
- Building and maintaining large-scale ML systems and data processing pipelines
- Collaborating with engineers, researchers, data scientists and product stakeholders to deliver AI-powered features
- Improving machine learning infrastructure, tooling and model development workflows
- Developing and optimizing training, fine-tuning and evaluation processes for machine learning models
- Supporting the deployment, monitoring and continuous improvement of ML models in production environments
Expected knowledge and skills:
- 5+ years of commercial experience in Machine Learning Engineering or Software Engineering with a strong ML focus
- Strong software development skills with proficiency in Python and hands-on experience working with deep learning toolkits like PyTorch, TensorFlow, or JAX.
- Experience building scalable, distributed systems and high-throughput applications
- Hands-on experience developing, deploying and maintaining machine learning models in production environments
- Experience building data processing pipelines and large-scale ML systems
- Knowledge of Big Data technologies such as Spark, SQL, Snowflake or Hadoop
- Excellent written and verbal communication skills in English
- Ability to collaborate effectively within international, cross-functional teams
Preferred qualifications
- Experience with Natural Language Processing (NLP), Generative AI, RAG systems, foundation models or transformer architectures
- Experience with recommendation systems, personalization, search or advertising technologies
- Familiarity with reinforcement learning, probabilistic models, bandits or other advanced ML techniques
- Proven track record of successfully shipping AI/ML features into large-scale, real-world consumer products
Technologies you’ll work with
- Python
- Machine Learning & AI
- PyTorch
- TensorFlow / JAX
- Apache Spark
- SQL
- Snowflake / Hadoop
- Data Processing Pipelines
- Generative AI & NLP
- MLOps & Model Deployment
Client – why choose this particular client from the Jit portfolio?
Our client is a global technology company known for building innovative digital products and delivering exceptional user experiences at scale. The organization creates solutions used daily by millions of users around the world and invests heavily in engineering excellence, product innovation, and modern technologies. This project offers the opportunity to work on highly impactful developer-facing platforms while collaborating with experienced international teams. It is an ideal environment for engineers who enjoy solving complex technical challenges and contributing to products with global reach.
About Jit Team
The Human Factor of IT – it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts, to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams.
Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.
Here’s how we get from first “hello”
to “welcome aboard”
You’ll meet with our HR team to discuss your experience, approach to software development, and teamwork. We’ll also verify your English language proficiency as part of the conversation. Then, you’ll take part in a technical interview focused on your skills and problem-solving mindset.
If both interviews go well, we’ll match you with a project aligned with your skills and expectations. You’ll then meet the client – this is where the final project-related decision is made.
Based on feedback and your preferences, we’ll prepare an offer tailored to your experience. We’ll agree on the project, salary, type of contract, and your start date.
We start with a short phone conversation to get to know each other. We’ll talk about your experience, career goals, and motivation, while giving you a chance to learn more about Jit Team and the role.
Depending on the role, you’ll complete a short recruitment task to showcase your skills. We’ll also verify your English language proficiency as part of this stage.
Next, you’ll meet your future Team Leader at our office. We’ll discuss your experience, ways of working, and how your skills match the role, while giving you a better understanding of the team and day-to-day collaboration.
If we’re a good match, we’ll prepare an offer tailored to your experience. We’ll agree on the salary, type of contract, and your start date. Welcome to Jit Team!
Benefits
We believe a great workplace is more than a set of benefits. It’s about trust, long-term relationships, and an environment where people can do their best work.
Jit Academy
Share and gain experience. Jit Academy is a platform serving a mutual knowledge exchange. Lecture others and share your expertise or join the audience.
Jit Communities
Join the group of experts. We ensure constant growth, that’s why we keep building communities dedicated to mutual education.
Growth support
We value people who are looking to develop their skillset. We proudly finance a variety of courses and certifications so that you can gain new competencies.
Jit Summer Office
Gain access to the office located at the very beach in Chałupy. Jit Trailer awaits visits of the team members and their families.
Jit Boats
Cruise the bay thanks to the motorboat awaiting at the Yacht Park in Gdynia. Furthermore, there is a fleet of jet skis and kites located at the beach in Chałupy.
Recommendations program
Would you recommend any IT specialist we could hire? Share the contact and gain a bonus if we hire them.
Flexible work hours
Start the day without haste.
At Jit, we begin and finish the day of work within a certain time frame, in stead of fixed hours.
Bonuses for content creators
We provide bonuses to those willing to participate in industry events as public speakers, and to content creators writing articles for our blog.
Mental health support
Mental health is fundamental. Take advantage of psychologists and psychotherapists’ support and reach for psychoeducational content on the wellbeing platform
Up-to-date equipment
We provide our teams with high-quality gear necessary to work. Choose between MacOs or Windows and work the way you prefer.
Teambuilding events
Meet new, interesting people. We’re dedicated to building human relations and often host informal events that bound our team members.
English lessons
Classes conducted for small groups, lectured
by our teachers, guarantee rapid results.
Private healthcare
Take care of your wellbeing. Members of Jit Team, gain access to a wide range of medical plans provided by Medicover or PZU.
Gym membership card
We provide Multisport and Medicover Sport gym cards so that you can improve your physical condition.
Life insurance
Increase your safety. No matter the form of employment, we provide life insurance plans to our colleagues.
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