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Application Developer - Senior

For our client were looking for a Application Developer.

Assignment description:
Developing and maintaining backend services in production environments.
Designing, developing, and/or maintaining services in cloud-based environments.
Working with PostgreSQL databases.
Developing browser-based web user interfaces.
Implementing integrations and data transfer solutions as part of information system development.

Seniority level: 3/5

Required Experience Mandatory:
PostgreSQL
Cloud
Backend development
AWS

Answer these questions separately in a few sentences and attach them to your application! (Mandatory!)
- Do you have at least 3 years of hands-on experience developing and maintaining backend services in production environments?
- Have you designed, developed, or maintained applications and services running in AWS cloud environments?
- Do you have practical experience working with PostgreSQL databases, including data modeling, querying, and performance optimization?
- Have you developed and maintained integrations or data transfer solutions between information systems?
- Do you have experience developing browser-based web user interfaces as part of full-stack or application development projects?

Please apply with your CV in English, clearly showing how you match the requirements and answer to the questions above. The client is continously reviewing candidates and we ask you to submit your application as soon as possible.

Start date: 1.11.2026
End date: 31.12.2029 with strong possibility for extension
Scope/hours per week: 100% / 40h
Location: Finland
Remote work: Fully remote
Language: Finnish & English

We offer you: We offer a versatile assignment where every day is different and interesting. We also offer a very competitive salary and good employee benefits.

Are you interested in becoming a part of our dynamic team? The position will be filled as soon as a suitable person is found, so please be quick and submit your application!

Please include your salary expectation in your application. For more information, contact Kimmo Kärsämä, tel. 050 412 7500, [email protected]

Explore Lokki, through our blog and website: https://www.lokki.fi/ .

Lokki Henkilöstöpalvelut Oy (Finnish for Seagull Recruitment Services) has been active in providing recruitment services since 2005 and we belong to The Private Employment Agencies Association HPL. Our vision is to provide the best customer experience with our reliable, humane and effortless service around Finland. Our most important asset is a person who, as we know, thrives in a reliable and supportive atmosphere. At Loki you will be supported by your own human resources consultant throughout your employment relationship. At Lokki, we believe in a partnership achieved as a result of flexible service. Explore us and our vacancies: https://www.lokki.fi/.

You can also find us on Facebook and Instagram.

Jätä hakemus: http://lokki.likeit.fi/apply/24507091
Työpaikan osoite: Helsinki, 00100
Työaika: Kokoaikatyö
Työn kesto: Toistaiseksi voimassa oleva
Hakuaika päättyy: 29.07.2026 16:00
Ilmoitus jätetty: 17.07.2026 15:19
Työmarkkinatorin ilmoitusnumero: a3cedd90-d262-429e-a9b7-07830b32af1c

Lähde: Työmarkkinatorin asiakastietojärjestelmä

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Application Developer - Senior

Lokki Henkilöstöpalvelut Oy
Kangasala
37100 Nokia
Tampere
Ylöjärvi
Vaasa
Oulu
Kuopio
Lahti
Espoo
Helsinki
Vantaa
Turku
Etelä-Karjala
Etelä-Pohjanmaa
Etelä-Savo
Kainuu
Kanta-Häme
Keski-Pohjanmaa
Keski-Suomi
Kymenlaakso
Lappi
Pirkanmaa
Pohjanmaa
Pohjois-Karjala
Pohjois-Pohjanmaa
Pohjois-Savo
Päijät-Häme
Satakunta
Uusimaa
Varsinais-Suomi
Etätyö, Kokopäiväinen, Vakituinen

Julkaistu 17.07.2026

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