Sr. Software Engineer (OOP)
Sphera.com
Hybrid
PL Remote, Poland
Full Time
Sphera is a leading global provider of enterprise software and services that enables companies to manage and optimize their environmental, health, safety and sustainability. Our mission is to create a safer, more sustainable and productive world.
Sphera is a portfolio company of Blackstone, a U.S.-based alternative asset investment company that focuses on private equity, technology and innovation, and more. Blackstone businesses succeed through strong partnerships, a personalized approach and a commitment to exceptional performance with uncompromising integrity. Sphera and Blackstone are leaders in the Environmental, Social and Governance (ESG) space.
We are guided by our core values of Customer Centricity, Accountability, Bias to Action, Innovation, and Collaboration. These values help us recruit the right talent to join our rapidly expanding team of around the globe. It is important to us that each and every Spherion is not only eager to challenge themselves and knows how to get work done but is an awesome addition to our company culture.
As a leading SaaS provider, Sphera delivers comprehensive supply chain management solutions aimed at enhancing transparency, sustainability, and responsible sourcing practices. Our commitment to innovation and excellence drives us to effect positive change across global supply chains.
We are looking for a Senior Software Engineer with a strong emphasis on back-end development. This role is ideal for someone who thrives in building scalable, high-quality applications and possesses strong English communication skills
A crucial aspect of this position is the ability to work within cross-functional squads, collaborating closely with team members across various disciplines to deliver innovative solutions.
Tech Stack:
- Backend: Python, SQLAlchemy, OpenAPI, Celery + RabbitMQ, Django
- DB: PostgreSQL, Redis
- Frontend: React + TypeScript, OpenAPI, Playwright
- CI/CD: GitHub Actions, Jenkins
- Infrastructure: k8s+Terraform, Azure, Heroku, GCP
Key Responsibilities:
- Design, develop, and maintain applications collaborating within cross-functional squads: engineers, designers, product managers
- Actively participate in squad meetings to define, design, and ship new features, ensuring alignment with project goals and timelines
- Ensure the performance, quality, and responsiveness of applications, leveraging cross-functional expertise to address complex challenges
- Identify bottlenecks, fix bugs, and contribute to improving code quality and test automation within a team-oriented environment
- Collaborate with the team to share knowledge and foster a culture where everyone can learn and grow together
- Stay aware of emerging trends and new technologies in web development, while demonstrating strong commitment to follow-through and collaboration to ensure successful delivery
Qualifications:
- Strong English communication and interpersonal skills to effectively collaborate within squads
- At least 7 years of backend development experience, with a strong focus on clean OOP code structure and strict typing
- Comprehensive understanding of the web development process: design, development, deployment, and maintenance
- Exceptional problem-solving skills and attention to detail
- Capable of managing development projects from conception to completion
- Skills to plan, track, and ensure timely delivery
- Experience with Agile development methodologies
- Bonus: Frontend development experience, with proficiency in React with Typescript
- Bonus: Bachelor's degree in Computer Science, Engineering, or a related field
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Sphera is proud to be an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all colleagues.
This job description is intended to convey information essential to understanding the scope of the job and the general nature and level of work performed by job holders within this job. This job description is not intended to be an exhaustive list of qualifications, skills, efforts, duties, responsibilities or working conditions associated with the position.
Sr. Software Engineer (OOP)
Hybrid
PL Remote, Poland
Full Time
September 24, 2025