Senior Backend Engineer

We are seeking a highly experienced Senior Back-End Engineer Consultant to join our growing digital engineering team and take ownership of high-visibility, business-critical initiatives. As a contributor, you will modernize and unify our internal and external digital experiences-powering search, configurators, design tools, and customer-facing applications used across Sales, Customer Service, Technical Support, Project Management, and our public web platforms.

Your work will include integrating our external website search and document search into a unified, intuitive search experience. This enhancement will enable our user community to easily access installation guidance, technical documentation, and product-related information, while also supporting the development of advanced configuration tools.

In this role, you will collaborate closely with our Design Lab team-working within Laravel, static databases, and custom APIs-to connect part configurations, data strings, and complex backend services across our broader digital ecosystem.

This position is a long-term contract engagement and will sit remotely and require travel to on-site meetings on occasion in Berlin, CT.

What you will be doing

• Develop RESTful and Micro services for our backend management services using the Laravel PHP framework and Python.
• Design, code, and debug applications to deliver high-quality software solutions.
• Write well-designed, efficient, and testable code while ensuring standards compliance.
• Test, maintain, refactor, and optimize existing software for improved functionality.
• Recommend and implement improvements to enhance the performance and scalability of existing software.
• Integrate the backend system with various external APIs by writing appropriate classes.
• Troubleshoot and fix technical issues as they arise.
• Assist in data standardization and clean up using both manual and automated methods.
• Produce technical designs and documentation at different levels of detail.

• Technical ownership experience in managing projects or large features in complex environments.
• 5+ years of PHP experience, with a focus on Laravel and Python.
• Must have experience in PostgreSQL, MySQL, NoSQL or MongoDB to be considered.
• Experience with AWS and/or GCP with a good understanding of version control systems, preferably Git.
• Proficiency in building and interacting with RESTful APIs.
• Demonstrated experience in working hands-on with ElasticSearch (indexing).
• Experience collaborating in cross-functional teams (PMs, Designers, Data, Marketers)
• Clear technical communication for both technical and non-technical stakeholders
• Conflict resolution and constructive feedback
• Thrive in highly ambiguous business environments
• Analytical thinking & structured problem solving
• Adaptable to rapidly changing priorities and technologies
• Ability to work during Eastern Standard Time hours (9 am to 5 pm).
• Must be open to traveling to Berlin, CT for occasional onsite meetings.

Preferred Technical Skills

• Fast API
• Auth2, JWT, SSO, API key handling
• Role-based access control
• Profiling & monitoring
• Caching strategies (Redis, Memcached)
• Load balancing
• Horizontal vs vertical scaling
• Unit, integration, end-to-end
• OpenAPI / Swagger
• API versioning
• Domain Driven Design (DDD)
• Authentication & rate-limiting
• Docker
• Terraform
• Pytest, PHPUnit, or equivalents

• Competitive compensation and benefits package which includes multiple healthcare options, tuition reimbursement, and matching 401k.
• Generous holiday schedule and paid time off to refresh and recharge.
• Employee pricing on our products and discount programs for travel, entertainment, and more!

We are the ASSA ABLOY Group Our people have made us the global leader in access solutions. In return, we open doors for them wherever they go. With nearly 63,000 colleagues in more than 70 different countries, we help billions of people experience a more open world. Our innovations make all sorts of spaces - physical and virtual - safer, more secure, and easier to access. As an employer, we value results - not titles, or backgrounds. We empower our people to build their career around their aspirations and our ambitions - supporting them with regular feedback, training, and development opportunities. Our colleagues think broadly about where they can make the most impact, and we encourage them to grow their role locally, regionally, or even internationally. As we welcome new people on board, it's important to us to have diverse, inclusive teams, and we value different perspectives and experiences. -, CT, US, - -, WI, US, - -, MO, US, - -, NY, US, - -, NE, US, - -, MN, US, - -, MT, US, - -, MD, US, - -, OR, US, - -, PA, US, - -, OH, US, - -, NJ, US, - -, OK, US, - -, NC, US, - -, CA, US, - -, VA, US, - -, ID, US, - -, UT, US, - -, KY, US, - -, WV, US, - -, RI, US, - -, LA, US, - -, SC, US, - -, FL, US, - -, NM, US, - -, AZ, US, - -, TN, US, - Remote, KS, US, - -, NV, US, - -, AK, US, - -, MA, US, - -, ME, US, - -, ND, US, - -, SD, US, - -, CO, US, - -, IA, US, - -, IN, US, - -, TX, US, - -, MI, US, - -, WY, US, - -, NH, US, - -, WA, US, - -, AL, US, - -, DC, US, - -, GA, US, - -, VT, US, - -, IL, US, - New Haven, CT, US, 06511 -, DE, US, - -, AR, US, - -, HI, US, - -, MS, US, - IT, Telecom & Internet Travel Required: 11%-30% Mid-senior level 30-Apr-2026