3,077+ Backend Data Engineer Python Etl Sql Jobs in Helsinki, Finland — Local Employers Hiring June 2026

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Backend Data Engineer Python, ETL & SQL

Infosys Limited is seeking a skilled Software Developer in Helsinki, Finland. The ideal candidate will have at least 3 years of experience in data-driven applications and integration solutions. Key skills include Python, SQL, and Unix/Linux proficiency, with responsibilities focused on scalable backend servic ...

Graph Data Engineer: Python, SQL, SPARQL & ETL Pipelines

Test Yantra in Helsinki is seeking a skilled Data Engineer to design and optimize data pipelines and ETL processes. This role involves writing complex SQL queries, performing data transformations, and utilizing Python for automation. The ideal candidate will have strong experience with Python, SQL, and ...

Data Engineer (Python + SQL / Sparql + Graph Data)

Key Responsibilities Design, develop, and optimize ETL and data pipelines for large-scale data processing Write and optimize complex SQL queries including joins, subqueries, CTEs, window functions, and performance tuning Perform data transformation, validation, cleansing, an ...

Data Engineer (Python + SQL / Sparql + Graph Data)

Key Responsibilities Design, develop, and optimize ETL and data pipelines for large-scale data processing Write and optimize complex SQL queries including joins, subqueries, CTEs, window functions, and performance tuning Perform data transformation, validation, cleansing ...

Data Engineer (Python + SQL + Sparql + Graph Data)

Location: Helsinki, Finland (Hybrid) Employment Contract Job Description: Key Responsibilities Design, develop, and optimize ETL/data pipelines Write complex SQL queries (joins, subqueries, CTEs, window functions) Perform data transformation, validati ...

Graph Data Engineer: Python, SQL & SPARQL Specialist

TestYantra Software Solutions in Helsinki is seeking a skilled Data Engineer to design and optimize ETL and data pipelines for large-scale processing. The ideal candidate has strong proficiency in Python and SQL, along with a solid understanding of data engineering practices and graph data concepts. Re ...

Graph Data Engineer (Python, SQL, SPARQL) – Hybrid Helsinki

Ampstek is looking for an experienced data engineer to join our team in Helsinki, Finland. The successful candidate will be responsible for designing, developing, and optimizing ETL/data pipelines while leveraging advanced SQL and data processing techniques. You will work with large-scale distributed d ...

Backend Python Engineer: Data Pipelines & AI

Vainu LLC, located in Helsinki, is seeking a backend-focused software engineer with strong Python skills. The role involves improving data pipelines, orchestrating workflows in Kubernetes, and developing APIs. A minimum of 3 years Python experience is required, along with a background in data engineering. The po ...

Python Backend Engineer Data Pipelines & AI

Vainu is seeking a backend-focused software engineer in Helsinki. In this role, you will work on data pipelines, backend services, and AI-powered features, all while possessing a strong Python background. The position encourages independent problem-solving and ownership in a flat organizational structure. Compen ...

Senior Python Backend Engineer

Who are we? Nordhealth (OB:NORDH) is the leading provider of cloud-based Practice Information Management Software (PIMS) to veterinary and therapy professionals. Over the last three years, we have grown our Annual Recurring Revenue (ARR) and team size by almost 10x ...

Software Developer Data and Integration | Helsinki

Job Description We are looking for a skilled Software Developer with at least 3 years of experience in building data-driven applications and integration solutions. The ideal candidate will have strong expertise in modern data storage and retrieval systems, advanced SQL, Python, and ETL frameworks ...

Real Time Backend Engineer (Python) – Data Pipelines

Moventas Wind Ltd in Helsinki is seeking a Software Developer to enhance their real-time backend services. You will be part of a skilled agile team that's focused on building reliable digital solutions that significantly impact customers and business. The ideal candidate has solid backend development e ...

Senior Python Backend Engineer — Finance, Remote

HiQ Finland etsii kokenutta Python Developeria Helsingin alueella. Tässä roolissa työskentelet pitkän aikavälin finanssiasiakkuuden parissa kehittäen backend-palveluja, jotka vaikuttavat suoraan pankki- ja rahoituspalveluiden riskienhallintaan. Arvostamme asiantuntijuuttasi ja tarjoamme mahdollisuuden ...

Data & Graph Solutions Engineer (ETL, SPARQL)

Ampstek in Helsinki is looking for a Data Engineer to design, develop, and optimize ETL/data pipelines. The role requires expertise in Python, SQL, and understanding of graph data concepts. The ideal candidate will have experience with large-scale distributed datasets and should be familiar with data i ...

Senior IT Developer Data Engineering & Warehousing (Python | SQL | Cloud)

Senior IT Developer - Data Engineering & Warehousing (Python | SQL | Cloud) Helsinki, FI, 00500 Job ID: 4412 Welcome to Group Technology, where we pride ourselves on engineering solutions and drive Nordea’s transformation by providing a holistic technological view and stru ...

Senior IT Developer Data Engineering & Warehousing (Python | SQL | Cloud)

Job ID: 4412 Overview The Senior IT Developer for Data Engineering & Warehousing is a hands‑on engineering role focused on redefining how data warehousing is built and operated. Based in Finland, you will join the Trading Data Warehouse & BI team, which supports one of the largest trading ...

Remote Senior Python Backend Engineer (German speaking)

Nordhealth is looking for a German-speaking Senior Python Backend Engineer to join their team in Helsinki, Finland. This role involves developing robust backend applications, solving scalability challenges, and mentoring junior developers, playing a crucial role in the company’s growth. Join a fast-gro ...

Remote First Senior Python Backend Engineer (German)

Nordhealth is looking for a German-speaking Senior Python Backend Engineer to join their team in Helsinki, Finland. This role involves developing robust backend applications, solving scalability challenges, and mentoring junior developers, playing a crucial role in the company’s growth. Join a fast-gro ...

Freelance

3 x Freelance Opportunities – Finland (Remote / Hybrid) React Engineer | Data Engineer | AI Engineer (AWS Environment) Finland (Remote / Hybrid options available) Hourly Rates (EUR): React Engineer: €60 – €80 per hour Data Engi ...

Freelance React / Data / AI Engineer (Remote – Finland)

3 x Freelance Opportunities – Finland (Remote / Hybrid) React Engineer | Data Engineer | AI Engineer (AWS Environment) Finland (Remote / Hybrid options available) Hourly Rates (EUR): React Engineer: €60 – €80 per hour Data Engi ...

Data Engineer to MTV/TV4

Would you like to influence how one of the largest media companies in the Nordics manages data? Do you want to be actively involved in shaping MTV’s data team? MTV and TV4 Sweden are now looking for a Data Engineer to develop our data platform and data products within a cross‑Nordic data team. ...

Senior Credit Risk Modeler, EAD/IRB Python/SQL

Nordea in Helsinki is looking for a Senior/Quantitative Analyst to join the EAD Models team. This permanent position offers the chance to leverage advanced modelling and collaborate with cross-functional teams. The ideal candidate has a Master’s or PhD in a quantitative field, experience with data anal ...

Senior Backend Engineer (Python/Go) – AI Translation & MIRA

Wolt in Helsinki seeks an experienced Backend Engineer to design scalable systems and develop AI-powered translation capabilities. Ideal candidates possess strong skills in Python or Go and experience in cloud platforms. The role offers the opportunity to work in a dynamic team focused on robust solutions in AI ...

Senior Python Backend Engineer — German‑Speaking, SaaS Scale

Nordhealth is looking for a German-speaking Senior Python Backend Engineer to join their team in Helsinki, Finland. This role involves developing robust backend applications, solving scalability challenges, and mentoring junior developers, playing a crucial role in the company’s growth. Join a fast-gro ...

Data Platform Engineer — ELT/ETL & Snowflake Expert

Nordea Bank Norge ASA in Helsinki is seeking a skilled individual to optimize data workflows and manage both on-prem and cloud-based infrastructure. This permanent position involves designing scalable ELT/ETL pipelines and ensuring data quality and governance. The ideal candidate will have a background ...

Solution Consultant

Key Responsibilities Design, develop, and optimize ETL/data pipelines Write complex SQL queries (joins, subqueries, CTEs, window functions) Perform data transformation, validation, and data quality checks Work with large-scale distributed datasets Bui ...

Senior Data Engineer

HiQ:lla missiomme on yksinkertaistaa ihmisten elämää. Syvän ja monipuolisen teknologia- ja toimialaosaamisemme sekä luovan ajattelun avulla taklaamme asiakkaidemme haasteita ja luomme entistä toimivampia ratkaisuja. HiQ:lla rakennetaan aidosti arvokkaita palveluita asiakkaalle. Meillä pääset rakent ...

Graph Data Engineer — Hybrid, 6 Month Contract

StaffPoint Oy is looking for an experienced Data Engineer / Graph Data Engineer to join their data team in Helsinki. This full-time hybrid position will involve working on scalable data pipelines, data models, and integration solutions. Candidates should have experience in SQL, ETL processes, and data transfo ...

Data Engineer: Scale ELT Pipelines (Hybrid, Helsinki)

Nordea is seeking an IT Developer/Data Engineer in Helsinki, Finland to develop data products for the Capital and Credit Data Foundation. The role involves designing scalable ELT/ETL pipelines and working with PL/SQL queries in Snowflake and Oracle. Candidates must have a degree in Computer Engineering or relate ...

Full Stack Developer (Python)

NeuralFlex is a Finland-based AI consultancy focused on helping small to medium businesses integrate AI solutions for efficiency, innovation, and long-term success. We aim to empower businesses by providing smart AI solutions designed to stay ahead of the curve and ensure teams understand the AI pipeline i ...

Backend Engineer (Data Science / ML) HYBRID

About the role and the team About Therole And The Team As a Backend Engineer (Data Science / ML) in Zalando Partner Tech, you will be responsible for developing, monitoring, and maintaining backend microservices using Databricks with Apache Spark, JVM based technologies, AWS, and Kubernete ...

Backend Engineer (Data Science / ML) HYBRID

About the Role and the Team As a Backend Engineer (Data Science / ML) in Zalando Partner Tech, you will develop, monitor, and maintain backend microservices using Databricks with Apache Spark, JVM‑based technologies, AWS, and Kubernetes at scale. Beyond core backend engineering, you will also enga ...

Backend Engineer Data Science & ML Platforms

Zalando Finland Oy is searching for a Backend Engineer (Data Science / ML) in Helsinki. You will develop and maintain backend microservices using Databricks with Apache Spark, JVM‑based technologies, and AWS, while engaging with Data Science and Machine Learning. Your contributions will foster innovation and ...

Data Engineer

Job ID: 3992 We are seeking an IT Developer/Data Engineer to work with data engineering for the Capital and Credit Data Foundation, developing data products that enable business processes with substantial financial impact. Responsibilities Design, build and maintain ...

Real Time Backend Python Developer — Flexible & Impactful

Elisa in Helsinki is seeking a Software Developer to join their growing team in developing real-time, high-concurrency backend services. You will work closely with a multi-talented team, focusing on Python and connecting application logic with data engineering. This role requires strong backend experie ...

Senior Application Support Engineer (L2/L3)

Responsible for L2/L3 support and development of enterprise applications involving Informatica ETL workflows, PL/SQL-based data processing, and backend components developed in C++ and Perl. The role includes troubleshooting, automation, environment support, and platform maintenance across Red Hat Linux 6/7 ...

Senior App Support Engineer L2/L3, 24x7 Ops

Responsible for L2/L3 support and development of enterprise applications involving Informatica ETL workflows, PL/SQL-based data processing, and backend components developed in C++ and Perl. The role includes troubleshooting, automation, environment support, and platform maintenance across Red Hat Linux 6/7 ...

Data Engineer

About our team We are building a new Core Banking Platform (N-core) based on modern technology. The new platform will host savings and deposits accounts, transaction accounts and loans – all in a common Nordic set up. We are supporting the Business Technology strategy by concentrating business vol ...

Senior Backend Engineer (Python/Go), Multilingual Intelligence & Resolution Automation (MIRA)

About Wolt At Wolt, we create technology that brings joy, simplicity and earnings to the neighborhoods of the world. In 2014 we started with delivery of restaurant food. Now we’re building the delivery of (almost) everything and you’ll find us in over 500 cities in 30 countries around the world. I ...

Senior Application Support Engineer (L2/L3)

Location: Helsinki, Finland (Hybrid) Job Description Responsible for L2/L3 support and development of enterprise applications involving Informatica ETL workflows, PL/SQL-based data processing, and backend components developed in C++ and Perl. The role includes troubleshooting, automation, e ...

Software Engineer (Python)

The role We're looking for a backend‑focused software engineer with solid Python skills. Seniority matters less than mindset: we want someone who sees an unfamiliar codebase and thinks, I'll figure it out. You’ll work on the systems that make Vainu’s data products run: pipelines, APIs, ...

Software Engineer (Python)

About Vainu Vainu is a Nordic sales intelligence platform helping B2B companies identify and act on the right signals at the right time. Our data pipelines process millions of company records, financial statements, job postings, and procurement documents. We're expanding fast into AI-powere ...

Senior Data Engineer

Etsimme kasvavaan Data, Digital & AI ‑yksikköömme kokeneita datainsinöörejä konsulteiksi monipuolisiin asiakastoimeksiantoihin. Toimintamme ytimessä on datan ja tekoälyn yhdistäminen liiketoimintahyödyksi, ja hyödynnämme AI:ta aktiivisesti osana moderneja dataratkaisuja. Data Engineer ‑roolissa työskentele ...

Senior Backend Engineer

About the Job We're building infrastructure for the next generation of AI search, AI assistants, and agent-driven commerce. Our platform helps businesses connect their websites, catalogs, content, and commerce systems so they can be understood, discovered, and acted on by AI systems. That means i ...

Backend Engineer, Wolt+

About Wolt At Wolt, we create technology that brings joy, simplicity and earnings to the neighborhoods of the world. In 2014 we started with delivery of restaurant food. Now we’re building the delivery of (almost) everything and you’ll find us in over 500 cities in 30 countries around the world. ...

Java Backend Engineer

Are you an experienced Senior Java Backend Engineer with strong AWS expertise & infrastructure‑as‑code skills? This is a contract opportunity to join a game development team operating large‑scale backend services on AWS. You’ll play a key role in optimising infrastructure, improving service ...

Backend Engineer, Wolt+

We're hiring backend engineers who want to be at the front line of what engineering looks like in the age of AI. Why Wolt+ An AI-first team by design. We don't use AI as a productivity add-on - we treat agentic coding as a core engineering discipline. We expect our engineers to buil ...

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