Senior Backend Engineer (SaaS)
Miejsce pracy: Warszawa
About the project
In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are seeking a Senior Backend Engineer to join our client. We are reinventing how modern security analytics can run entirely on-premises—even in air-gapped environments. Our new SaaS+ offering will deliver the speed and agility of the cloud with the control demanded by government, defense, finance, and critical infrastructure.
As a Senior Back-End Engineer, you will design and build the backbone of SaaS+
Project information:
Work Setup: 100% Remote work (EU based)
Rate: 1300 PLN/net/day + VAT (B2B contract)
Languages: English (B2+ Required)
Start date: ASAP/ depending on candidate availability
Your responsibilities
- Deployment & Lifecycle - Offline-capable installer, one-click upgrades, rollback
- orchestration, schema/data migrations
- Update Server - Unified delivery system for both software updates and detection content (CTI, AI models, rules), with signed offline bundles, staged rollouts, and compatibility checks
- Security & Integrity - Signed artifacts, SBOM publishing, per-customer watermarking, and tamper detection
- Observability & Supportability - Local dashboards, health checks, backup/restore tooling, and a Debug Toolkit that enables customer self-resolution of most issues.
Our requirements
- Strong experience with Python and cloud-native architectures
- Hands-on work with on-premise and/or air-gapped software deployments
- Deep understanding of secure software supply chains (signing, SBOMs, artifact verification)
- Passion for solving hard lifecycle problems: version drift, upgrades, rollback, and offline licensing
Development opportunities we offer
- substantive support from technological leaders
- technical knowledge exchange within the company
What we offer
- Full-time job agreement based on B2B
- Private medical care with dental care (covering 70% of costs) + rehabilitation package. Family package option possible
- Multisport card (also for an accompanying person)
- Life insurance
Benefits
- sharing the costs of sports activities
- private medical care
- sharing the costs of professional training & courses
- life insurance
- flexible working time
- integration events
- dental care
- employee referral program
Recruitment stages
- HR phone interview
- Project meeting
Cyclad
Cyclad to międzynarodowa firma konsultingowa działająca w branży IT/ICT, zajmująca się outsourcingiem rozwiązań HR i usług informatycznych.
Please enclose the following statement in your application:
I hereby give consent for my personal data contained in the submitted application documents to be processed by Cyclad sp. z o.o., ul. Chłodna 48/1, 00-872 Warszawa, including my image, in relation to my participation in the recruitment process. I acknowledge that the above consent may be withdrawn at any time.
If you are interested in participating in future recruitment processes, please enclose the following statement in your application:
I hereby give consent for my personal data contained in the submitted application documents to be processed by Cyclad Sp. z o.o., Cyclad sp. z o.o., ul. Chłodna 48/1, 00-872 Warszawa, including my image, in relation to my participation in future recruitment processes. I acknowledge that the above consent may be withdrawn at any time.
The Personal Data Controller is Cyclad Sp. z o.o., ul. Chłodna 48/1, 00-872 Warszawa, e-mail: office@cyclad.pl, contact with the Data Protection Officer is available via e-mail: IOD@cyclad.pl. Personal data collected through job applications (CV) within the scope provided for in labor regulations shall be processed in order to allow performance of the ongoing recruitment pursuant to Art. 6(1)(a) of Regulation (EU) no. 2016/679 of the European Parliament and of the Council of 27 April 2016 on the protection of individuals with regard to the processing of personal data and on the free movement of such data, and repealing Directive 95/46/EC (further referred to as GDPR). In case of giving consent to processing of data for future recruitment processes – personal data shall be processed under the
consent, pursuant to Art. 6(1)(a) of the GDPR. If the Application form contains data referred to in Art. 9(1) of the GDPR, it shall be necessary to have the candidates consent for the processing of such data (Art. 9(2)(a) of the GDPR). The consent can be revoked at any time. Withdrawal of the consent shall not affect
the lawfulness of the processing that had been performed under the consent prior to its withdrawal.
Personal data provided by the candidate related to:
- participation in a selected recruitment process will be stored until the recruitment process is completed for a given position,
- participation in future recruitment processes will be stored until the candidates consent to the processing of their data for this purpose is withdrawn, no longer, however, than for 5 years since the last update of the candidate’s data.
Personal data may be disclosed to employees or associates of the Company, entities providing support to the Company on the basis of outsourced services or in accordance with data processing agreements, to entities authorized under the law, as well as to entities collaborating with the Company within the scope of job placement, in order to conduct recruitment processes. After the employee’s consent, personal data may also be disclosed to a potential employer for whom the recruitment process is being conducted.
Submission of the candidate’s personal data within the scope under Art. 221 of the Labor Code is obligatory for participation in the recruitment process. Submission of other data by the candidate is voluntary. No submission of personal data within the required scope or objection to the processing of
such data shall result in lack of possibility to include the Application in the recruitment processes conducted by the Company.
The candidate has the right to access and rectify the contents of their data, remove such data, limit its processing, transfer such data, submit objection to the processing and revoke the consent at any time, without affecting the lawfulness of the processing conducted under such consent before it was
withdrawn. The candidate also has the right to file a complaint with the President of the Office for Personal Data Protection when they consider the processing of their personal data to be a violation of the provisions of the GDPR.
