Senior Software Engineer (Back-End: Cloud-based SaaS)

ADVA; Gdynia; On-site; PLN 180,000 - 240,000; Full time

Job summary

ADVA is seeking a Senior Software Engineer for their team in Gdynia, specialized in cloud-based SaaS development. The engineer will work on the Mosaic One product, focusing on software design, development, and testing alongside a collaborative team. Ideal candidates should have solid programming experience, particularly in Python, and familiarity with cloud services like AWS, along with good teamwork abilities. A welcoming work culture and various benefits enhance this opportunity.

Benefits

Additional vacation days

Flexible working hours

Private Health Care at Medicover

Internal training program

Access to sports activities

Qualifications

• 6-8 years of active experience in software engineering.
• Experience with cloud deployments such as AWS.
• At least B1 English proficiency level.

Responsibilities

• Designing, developing, and improving the SaaS product, Mosaic One.
• Conducting design and code reviews, ensuring high-quality standards.
• Guiding and developing less experienced engineers.

Skills

Software design

Implementation

Debugging

Inter-process communication

Multi-threading techniques

Teamwork

Cloud deployments

Education

Bachelor’s degree in Computer Science or related field

Tools

Python 3

Bash

Linux-based scripting environment

pyTest

Postman

Job description

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Senior Software Engineer (Back-End: Cloud-based SaaS), Gdynia

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Client:

ADVA

Location:

Gdynia, Poland

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

dbb071a08a72

Job Views:

12

Posted:

19.08.2025

Expiry Date:

03.10.2025

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Job Description:

Welcome!

Our Growth is Creating Great Opportunities!

Our team is expanding, and we want to hire the most talented people we can. Continued success depends on it! Once you've had a chance to explore our current open positions, apply to the ones you feel suit you best and keep track of both your progress in the selection process, and new postings that might interest you!

Thanks for your interest in working on our team!

Adtran is looking for an outstanding Senior Software Engineer to work on its exciting new S oftware-as-a- S ervice (SaaS) product: Mosaic One. Mosaic One is a cloud-based system that aggregates information from many management and orchestration platforms, broadband access, and consumer in-home devices to produce helpful, targeted workflow s for our users and AI driven insights that ensure our customers’ success.

The successful candidate will be responsible for designing, developing, and continually improving our product using new technologies and best agile practices, and will work closely with other engineers and stakeholders to ensure the product meets the needs of our customers.

The Senior Software Engineer will be a member of a full-stack team responsible for designing, analyzing requirements, developing, implementing, testing, debugging, and maintaining software solutions for Adtran products including but not limited to the following: application development, system software architecture, software test development, and customer assistance . Requires ability to perform e ngineering tasks for a major project or for projects of moderate complexity with limited direction.

Duties and Responsibilities

Example target projects:d esign or assist in the design and development of the Mosaic One SaaS product; d esign or assist in the design and development of CI pipeline infrastructure needed to carry out build and test requirements for Mosaic One .

Perform or assist in high-level and low-level software design and implementation of new modules and enhancements to existing software.

Perform or assist in feasibility studies of needed software development.

Document the design including features definition and architecture .

Conduct and participate in design reviews and code reviews.

Plan and perform unit and system level testing of implemented software modules and enhancements.

Help fix software bugs found during all testing phases.

Work with team to deploy and test incremental software releases.

Organize and coordinate development activities within schedule and product constraints.

Other projects and assignments may result and be assigned to accommodate the changing needs of the department and the Company.

Guide and develop less experienced engineers.

Basic Qualifications

Bachelor’s degree in computer science , Computer Engineering, Software Engineering, Computer Information Science, Electrical Engineering, or equivalent education required .

At least 6-8 years of active experience.

Experience with software design, implementation and debugging including inter-process communication and multi-threading techniques is required .

A solid foundation in computer science, with strong competencies in data structures, algorithms, and software engineering.

Experience with Python 3, Bash and Linux-based scripting environment.

Experience with testing and development tools such as pyTest and Postman .

Experience with cloud deployments such as AWS .

Experience with Test Drive n Development and Unit Test Frameworks.

Excellent teamwork abilities.

At least B1 English proficiency level.

Preferred Qualifications

Familiarity with Ethernet and networking protocols is a plus .

Experience with Infrastructure as C ode ( IaC ) such as Terraform, CloudFormation/SAM.

Compensation and Benefits

Stable employment conditions based on an employment contract (turnover rate below 4%)

1 additional vacation day for all, and 1 extra after 10 years being with us

Flexible working hours and possible remote work

Internal training program to support your training needs

Paid employee referral program

Multisport Card

3% employer contribution to PPK

Private Health Care at Medicover (extended package for employees and possibility to enroll family members)

Strong team-oriented and friendly work culture

Access to various sports activities and events

Modern office (well-equipped gym and playroom) close to the SKM/PKM stations