April 25, 2026

Lead Backend Engineer (Node.js)

Senior • Hybrid

10,000 - 14,167 USD

Baltimore, MD

Company Description

At Alertus, protecting people from harm is our mission and our passion. As the leader in mass notification, we are committed to providing customizable, scalable, and cost-effective solutions, as we know even a few seconds of warning can help save lives during an emergency.
Our employees are integral to the company’s success and impact countless people's lives, safety, and well-being. We aim for a positive, collaborative environment that allows employees to work across departments easily and effectively.


Job Description

In a world where information moves at the speed of light, the difference between a notification received and a notification lost can be critical. We are looking for a Lead Backend Engineer to take ownership of our high-performance core responsible for delivering mass notifications via SMS, Email, Voice, Push, Slack, and IPAWS to thousands of users simultaneously.
This isn't just about writing code; it’s about engineering resilience. You will be the architect of systems that cannot afford to fail, ensuring that every message reaches its destination with perfect reliability and industry-leading throughput. If you are driven by the challenge of optimizing distributed systems and building SaaS solutions that scale gracefully under usage spikes, your expertise will have a direct, tangible impact on our mission.
Candidates must be located within driving distance from our Baltimore HQ.
A Day in the Life:
  • Design and evolve a high-throughput notification engine capable of handling massive spikes in data without compromising on latency or reliability.
  • Continuously refine system architecture to meet and exceed strict SLAs, ensuring the engine remains performant as our user base grows.
  • Implement sophisticated monitoring, alerting, and self-healing protocols to identify and resolve bottlenecks before they impact our users.
  • Set the standard for engineering excellence through high-quality code reviews, technical documentation, and proactive mentorship of the engineering team.
  • Design and maintain high-performance database schemas and query structures optimized for rapid ingestion and retrieval of millions of notification records.
  • Build and maintain robust API integrations and asynchronous communication pathways (message queues, event-driven architecture) across diverse notification channels.
  • Transition high-level business requirements into technical roadmaps, focusing on modularity, security, and long-term maintainability.
Required Skills & Abilities:
  • Deep, production-level expertise in Node.js, with a comprehensive understanding of its asynchronous nature and event-driven architecture.
  • Proven experience designing and maintaining complex, multi-tenant SaaS environments that prioritize uptime and data integrity.
  • Proven experience with both relational (e.g., PostgreSQL, MySQL) and NoSQL (e.g., Redis, DynamoDB, MongoDB) databases, specifically focusing on performance tuning, indexing strategies, and data modeling for scale.
  • A strong background in distributed systems, including experience with message brokers (e.g., RabbitMQ, Kafka) and database optimization.
  • Expert knowledge of monitoring tools and observability practices to ensure 24/7 system health.
  • The ability to articulate complex technical concepts to both technical and non-technical stakeholders while fostering an inclusive, collaborative environment.
  • Ability to travel on occasion.
Desired Skills:
  • Experience working with IPAWS, telephony providers (Twilio, Vonage), or large-scale email delivery services.
  • Proficiency with tools like Terraform or Pulumi to manage cloud infrastructure.
  • Familiarity with compliance standards relevant to data transmission and privacy.
Education & Experience:
  • Bachelor’s Degree in Computer Science, Computer Engineering, Software Engineering or related field. Equivalent experience may substitute for education.
  • 8+ years of related experience
Alertus Career Advantages:
  • Unlimited Paid Time Off
  • Paid Holidays
  • 401(k) Retirement Plan
  • Medical, Dental, and Vision Plans
  • Short-term Disability, Accident, Hospital, and Cancer Insurance
  • Live Near Your Work HomeBuying Incentive
  • Employee Referral Bonuses
  • Flex Scheduling

Additional Information:

All applicants who wish to be employed by Alertus, regardless of work location, must be fully vaccinated or in the progress of vaccination by the first day of their employment (some exceptions may be considered if within the guidelines of the company policy). Proof of vaccination or exemption must be provided prior to their start date.
Protecting people from harm is what we do. It's our mission and our passion. As a company dedicated to developing advanced technologies to help save lives, we feel strongly that our employees protect themselves and others from a potentially fatal virus. We encourage everyone who can safely do so to vaccinate against COVID-19.
Alertus Technologies is an Equal Opportunity/Affirmative Action Employer. All applicants will be considered for employment without attention to race, color, sex, religion, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.
All your information will be kept confidential according to EEO guidelines.

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69,996 - 84,996 USD/yr

🏢 Summary: Business Operations Analyst role supporting business systems, reporting, integrations, and operational processes across Sales, Marketing, Customer Success, Finance, and Operations in a SaaS environment. The position focuses on CRM and ERP administration, workflow optimization, data management, automation, and cross-functional operational support in a remote-first setting. 🗂️ Requirements: 3+ years supporting business systems, revenue operations, sales operations, or business operations in a SaaS or technology company, Experience with CRM platforms such as Salesforce, Familiarity with HubSpot, NetSuite, or similar business applications, Experience with system integrations or automation tools, Strong analytical and process improvement skills, Ability to work cross-functionally and translate business needs into solutions, Strong organizational and multitasking abilities, Ability to learn and adapt to new systems and technologies 📃 Skills: Salesforce, NetSuite, HubSpot, Celigo, Zapier, Informatica, CRM, ERP, Automation, Reporting, Dashboards, Integrations, AI, SaaS 🏢 Description: WHY TEXTUS TextUs on a mission to revolutionize business communication by enabling seamless and impactful engagement between workers and consumers. With a focus on innovation, ease of use, and delivering measurable results, our strategy is rooted in creating tools that outperform other messaging solutions while fostering trust and value for our customers and stakeholders. At TextUs, every team member is empowered to make a difference. Our collaborative and data-driven culture, combined with the guidance of a proven leadership team, ensures you have the resources and support to excel. Together, we're building the future of mobile-first, conversational engagement and redefining what's possible for businesses and their stakeholders. As our Business Operations Analyst, you'll play a key role in supporting the systems and processes that keep our business running smoothly. Reporting to the Revenue Operations Manager, you'll partner with teams across Sales, Marketing, Customer Success, Finance, and Operations to improve workflows, maintain business systems, and ensure our teams have the tools and data they need to be successful. You enjoy solving operational challenges through technology, process improvement, and data. You're naturally curious, embrace new tools, and are excited to explore how automation and AI can help teams work smarter and scale more efficiently. CORE RESPONSIBILITIES Business Operations & Systems Support - Partner with cross-functional teams to optimize business processes and improve operational efficiency across the organization. - Support the day-to-day administration and continuous improvement of our business systems, including CRM, ERP, marketing automation, and internal tools. - Troubleshoot system issues, manage enhancement requests, and recommend process improvements that improve the employee experience. - Help evaluate and implement new technologies and workflows as the company grows. - Leverage AI-powered tools to improve documentation, reporting, workflow automation, or operational efficiency. Reporting & Data Management - Build, maintain, and improve dashboards and reporting for Sales, Marketing, Customer Success, and leadership teams. - Ensure business data remains accurate, organized, and actionable through ongoing data quality initiatives. - Generate recurring and ad hoc reports that support business planning and decision-making. Business Systems & Integrations - Support our CRM (Salesforce), ERP (NetSuite), marketing automation platform (HubSpot), and other business applications. - Assist in maintaining integrations between core business systems to ensure reliable data flow and operational efficiency. - Collaborate with internal stakeholders and external vendors to troubleshoot issues and identify opportunities for automation. Employee Enablement - Support onboarding and offboarding by ensuring employees have access to the appropriate business systems and documentation. - Maintain internal documentation, process guides, and knowledge base resources. - Deliver training and ongoing support to help employees effectively use business applications. WHO YOU ARE - 3+ years of experience supporting business systems, revenue operations, sales operations, or business operations within a SaaS or technology company. - Experience working with CRM platforms such as Salesforce; administrator experience is helpful but not the primary focus of the role. - Familiarity with business applications such as HubSpot, NetSuite, or similar platforms. - Exposure to system integrations or automation tools (Celigo, Zapier, Informatica, etc.) is a plus. - Strong analytical skills with the ability to identify opportunities for process improvement. - Comfortable working cross-functionally and translating business needs into practical solutions. - Excellent organizational skills with the ability to manage multiple priorities in a fast-paced environment. - Curious, proactive, and excited to learn new systems and technologies. EMPLOYMENT DETAILS: - Job Type: Full time - Compensation Range: $70,000 - $85,000 - Location: Remote / Denver HQ - # of hires for this role: 1 - Target Start Date: 3 weeks from offer date - Reporting to: Manager, Revenue Operations - By submitting your resume for this role - you consent to communication via text and email INTERVIEW PROCESS: - Initial video call with Recruiter - Topics: Culture, logistics - Interview with Hiring manager (Zoom video) - Topics: Culture, skills, role overview - Salesforce Assignment - Interviews with Cross Functional team (Zoom video) - Topics: Culture, leadership, skills, role overview - Rembrandt Assessment - allows TextUs to assess how your personality fits within the role and the TextUs culture - Q&A with CEO (Zoom video) - You will come prepared with questions about the role, team, product to ensure this role is the best fit for you. WHY SHOULD SOMEONE CHOOSE THIS ROLE AT TEXTUS? Information Systems are very important here at TextUs. From tracking our company's high level KPIs down to individual case queues for our support team, we get to work with just about every team. We are a small team, so that means you will have the opportunity to learn about various aspects of Information Systems and see the impact of your work on a regular basis. We like to promote from within, so as the company grows, there is opportunity for advancement as well as continuing to help out our fellow team members. TEXTUS BENEFITS INCLUDE: - Competitive pay - Equity - Health/Dental/Vision/Insurance - 401K with company match - Flex vacation policy - Phone + Internet stipend - Work from home stipend - U.S remote first and headquartered in Colorado TextUs does not discriminate based on race, color, religion (creed), gender, gender expression, age, national origin (ancestry), disability, marital status, sexual orientation, or military status, in any of its activities or operations. We are committed to providing an inclusive and welcoming environment for all members of our staff, volunteers, subcontractors, vendors, and clients.

Technology

Accenture

Infrastructure Engineer (GCP)

Mid

Hybrid

Warsaw, Poland

🏢 Summary: Role focused on delivering and transforming enterprise IT infrastructure using Google Cloud and hybrid/on-premises models. Involves designing and implementing containerized, automated, and highly available architectures with DevOps and Infrastructure as Code practices. Projects target enterprise, critical infrastructure, and government clients. 🗂️ Requirements: 3+ years experience with container technologies and orchestration platforms, Hands-on experience with Linux and Linux automation, Experience with Terraform and Ansible, Experience with virtualization platforms, Understanding of DevOps practices and tools, Experience with Infrastructure as Code, Experience in on-premises infrastructure management, Basic knowledge of networking, storage, databases, monitoring and logging, Experience with at least one public cloud, Strong troubleshooting skills, Upper-intermediate English and Polish 📃 Skills: Kubernetes, GKE, OpenShift, Anthos, Linux, Terraform, Ansible, VMware, Nutanix, Jenkins, Git, GitLab, Pipelines, DeploymentManager, GoogleCloud, Bash, Python, RedHat, Debian, Windows 🏢 Description: Job Description WHO WE ARE Accenture is a leading global professional services company that helps the world’s leading businesses, governments and other organizations build their digital core, optimize their operations, accelerate revenue growth and enhance citizen services. We offer solutions and assets across Strategy & Consulting, Technology, Operations, Industry X and Accenture Song. For more information about Accenture Technology Poland , please visit our website . Accenture Cloud First is a new, multi-service group to enable re-platforming global businesses in the Cloud with greater speed and to achieve greater value. We help companies across all industries rapidly become Cloud First businesses and accelerate their digital transformation to realize greater value at speed and scale. THE WORK Deliver IT solutions through on-premises and hybrid cloud models utilizing Google technologies, tailored for enterprise clients, critical infrastructure, and government institutions. Participate in designing and implementing technical solutions in areas such as infrastructure architecture deployment, containerization, automation, DevOps, and disaster recovery/high availability. Conduct infrastructure assessments and transformations. Identify opportunities for optimization and transformation of client on-premises and cloud environments. Flexible: The work location for this role may include a mix of working remotely, onsite at a client or in an Accenture office, depending on specific project circumstances. With all our roles, there is some in-person time for collaboration, learning and building relationships with clients, peers, leaders, and communities. As an employer, we will be as flexible as possible to support your specific work/life needs. WHAT’S IN IT FOR YOU? Work on projects for international clients, expanding your technical expertise in infrastructure and cloud solutions. Thrive in an inclusive workplace that values diverse perspectives and fosters continuous learning. Access structured development programs and certifications to accelerate your career growth. Qualification HERE’S WHAT YOU’LL NEED 3+ years of experience (or strong fundamentals) in container technologies and orchestration platforms (e.g., Kubernetes, GKE, OpenShift, Anthos). Hands-on experience with Linux, Linux automation (scripts, Terraform, Ansible), and virtualization platforms (VMware, Nutanix). Solid understanding of DevOps culture, practices, and tools (e.g., Jenkins, Git, GitLab, Pipelines). Experience with Infrastructure as Code (IaC) and automation tools using machine-readable definition files (e.g., Terraform, Ansible, Deployment Manager). Practical experience in on-premises infrastructure management and transformation. Basic knowledge of networking, storage (file, block, object), databases, and infrastructure monitoring/logging solutions. Knowledge and experience with at least one public cloud (Google Cloud preferred). Strong troubleshooting skills. Upper-intermediate proficiency in English and Polish. Availability and willingness for international travel. Research indicates that some candidates, especially the most diverse ones, may hesitate to apply for positions if they don't meet all requirements. If you believe you possess the necessary skills, even if you do not meet every requirement, we wholeheartedly encourage you to submit your application. BONUS POINTS IF YOU HAVE Google Cloud Professional Certified Architect or Associate Cloud Engineer certification. Knowledge of common operating systems (Linux Red Hat/Debian, Windows). Understanding of computer security aspects (network security, application security, cryptography). Experience developing scripts or applications in Bash or Python. WHAT WE OFFER Stable employment conditions based on an employment contract. Individual support from a People Lead and a clear professional development path, including coaching sessions. Extensive training package (technical, soft skills, language), access to e-learning platforms, and certification co-financing. Employee Assistance Program (legal, financial, and psychological consultations). Participation in Accenture’s Employee Share Purchase Plan and referral program. Private medical care, life insurance, and access to benefits platform (including Multisport card). WHAT WE BELIEVE: Accenture does not discriminate employment candidates on the basis of race, religion, color, sex, age, disability, national origin, political beliefs, trade union membership, ethnicity, denomination, sexual orientation or any other basis impermissible under Polish law. All our leaders are committed to building a better, stronger and more durable company for future generations to create positive, long-lasting change. Inclusion and diversity are fundamental to our culture and core values. Our rich diversity makes us more innovative and creative, which helps us better serve our clients and our communities. Our position as partner to many of the world’s leading businesses, organizations and governments affords us both an extraordinary opportunity and a tremendous responsibility to make a difference. Sustainability is one of our greatest responsibilities, which we embed into everything we do and for everyone we work with. When applying please enclose the below statement: "I hereby consent to the processing of my personal data by Accenture sp. z o.o. with its registered seat in Warsaw (00-121), at ul. Sienna 39, NIP 526-00-15-900 (Data Controller), in accordance with the Act of May 10, 2018, on the Protection of Personal Data (Journal of Laws of 2018, item 1000) and the Regulation on the protection of natural persons with regard to the processing of personal data and on the free movement of such data, and repealing Directive 95/46/EC (Data Protection Directive), necessary to carry out the recruitment process by Accenture. At the same time, I declare that I provide my personal data completely voluntarily. I also declare that I have been informed about my right to withdraw my consent or object to processing of data, request access to them, rectification, deletion, limitation of processing and their transfer, at any time and the right to lodge a complaint to the data protection supervisory authority."

Technology

Accenture

Blockchain / Full-Stack Developer

Mid

Hybrid

Warsaw, Poland

🏢 Summary: Technical role focused on building end-to-end blockchain solutions, covering smart contract development, full-stack application integration, and infrastructure operations on distributed ledger platforms. The position involves designing Solidity-based contracts, integrating DeFi and tokenization standards, and maintaining Docker-based environments and blockchain nodes. You will work across frontend, backend, and blockchain layers for digital asset projects. 🗂️ Requirements: Hands-on experience with Solidity on EVM-compatible blockchains, Working knowledge of ERC-20 token standard, Understanding of DeFi concepts (AMMs, liquidity pools, on-chain settlement), Experience with React or Angular, Experience with Python or Java or Node.js, Ability to design and integrate RESTful APIs, Practical experience with Docker and docker-compose, Ability to set up, debug, and maintain multi-service environments, Linux command-line proficiency 📃 Skills: Solidity, EVM, ERC-20, DeFi, React, Angular, Python, Java, Node.js, REST, Docker, docker-compose, Linux, Blockchain, DLT, Kafka 🏢 Description: WHO WE ARE Accenture is a leading global professional services company that helps the world’s leading businesses, governments, and other organizations build their digital core, optimize their operations, accelerate revenue growth, and enhance citizen services. We offer solutions and assets across Strategy & Consulting, Technology, Operations, Industry X, and Accenture Song. THE WORK You will work across blockchain, application development, and infrastructure, contributing to end‑to‑end solutions built on distributed ledger technologies. Your responsibilities will include: Designing, developing, and auditing smart contracts on EVM‑compatible blockchains using Solidity Implementing tokenization flows based on standards such as ERC‑20, ERC‑3643, and ERC‑1400 Building and maintaining web applications with a React frontend and backend services in Python, Java, or Node.js Integrating smart contracts with web applications and external systems Setting up, configuring, and maintaining Docker‑based development and staging environments Integrating with DeFi protocols, on‑chain settlement layers, and payment networks Operating and monitoring blockchain nodes and validator infrastructure Investigating and resolving complex integration issues across APIs, event‑streaming platforms (e.g., Kafka), and ledger systems Contributing to architecture decisions related to custody, key management, and cross‑chain interoperability Flexible: The work location for this role may include a mix of working remotely, onsite at a client or in an Accenture office – depending on specific project circumstances. With all our roles, there is some in‑person time for collaboration, learning, and building relationships with clients, peers, leaders, and communities. As an employer, we will be as flexible as possible to support your specific work/life needs. WHAT’S IN IT FOR YOU? Work on innovative blockchain and digital asset projects for international clients Build end‑to‑end expertise by working across smart contracts, applications, and infrastructure Collaborate with experienced engineers in multidisciplinary, international teams Qualification HERE’S WHAT YOU’LL NEED: Blockchain / DLT Hands‑on experience with Solidity on EVM‑compatible chains Working knowledge of token standards (minimum ERC‑20) Understanding of DeFi concepts such as AMMs, liquidity pools, and on‑chain settlement Full‑Stack Development Experience with at least one frontend framework: React or Angular Experience with at least one backend technology: Python, Java, or Node.js Ability to design and integrate RESTful APIs Infrastructure & DevOps Practical experience with Docker and docker‑compose Ability to independently set up, debug, and maintain multi‑service environments Linux command‑line proficiency BONUS POINTS IF YOU HAVE: Experience with Hyperledger Besu, Canton / DAML, or other enterprise DLT platforms Familiarity with digital asset custody solutions (e.g., MPC, HSM, Fireblocks, Taurus) Knowledge of Layer‑2 or cross‑chain solutions (e.g., CCIP, IBC) Experience with Kafka or other event‑streaming platforms Understanding of stablecoin architectures and payment network integrations Experience operating blockchain nodes or validator infrastructure at scale Research indicates that some candidates, especially the most diverse ones, may hesitate to apply for positions if they don't meet all requirements. If you believe you possess the necessary skills, even if not meeting every requirement, we wholeheartedly encourage you to submit your application. WHAT WE OFFER? • Permanent employment contract. • Support of a dedicated People Lead and clear development pathways. • Access to extensive training platforms (soft, technical, language). • Private medical care and life insurance. • Employee Assistance Program (legal, financial, psychological support). • Employee Share Purchase Plan eligibility. • Benefits platform (including Multisport card). • Paid employee referral program. WHAT WE BELIEVE Accenture does not discriminate against candidates based on race, religion, color, sex, age, disability, national origin, political beliefs, trade union membership, ethnicity, denomination, sexual orientation, or any other basis prohibited under Polish law. Our leaders are committed to building a better, stronger, and more sustainable company for future generations, creating positive and lasting change. Inclusion and diversity are fundamental to our culture and core values. Our diverse workforce makes us more innovative and creative, enabling us to better serve our clients and communities. As a partner to many of the world’s leading businesses, organizations, and governments, we have both a unique opportunity and a responsibility to make a meaningful impact. Sustainability is one of our key commitments, and we embed it into everything we do and everyone we work with. When applying, please include the following statement: "I hereby consent to the processing of my personal data by Accenture sp. z o.o. with its registered seat in Warsaw (00‑121), at ul. Sienna 39, NIP 526‑00‑15‑900 (Data Controller), in accordance with the Act of May 10, 2018, on the Protection of Personal Data (Journal of Laws of 2018, item 1000) and the Regulation on the protection of natural persons with regard to the processing of personal data and on the free movement of such data, and repealing Directive 95/46/EC (Data Protection Directive), necessary to carry out the recruitment process by Accenture. At the same time, I declare that I provide my personal data voluntarily. I also declare that I have been informed about my right to withdraw my consent or object to the processing of my data, request access to them, rectification, deletion, limitation of processing, and their transfer at any time, as well as the right to lodge a complaint with the data protection supervisory authority." #LI-EU

Technology

Metropolis Technologies

Staff Software Engineer, Incentive Offers

Senior

On-site

New York, NY

16,667 - 20,833 USD/yr

🏢 Summary: Staff Software Engineer role leading the technical strategy and architecture of a scalable Incentive Offers platform, building identity, decisioning, and measurement systems for real-time, high-volume distributed environments. The position focuses on architecting data-intensive, event-driven services that connect physical-world signals with digital member profiles and automated campaigns. You will drive platform evolution, solve complex distributed systems challenges, and shape engineering standards across the organization. 🗂️ Requirements: Advanced degree in Computer Science or related field, 8+ years building customer-facing applications and distributed systems, Expert proficiency in Scala, Java, or JVM-based languages, Experience architecting data-intensive and real-time event-driven systems, Experience leading technical strategy for large engineering initiatives, Experience with AI/ML tools in engineering or system intelligence, Strong experience with high-volume transaction processing and data consistency, Experience designing observability, monitoring, and automated testing solutions 📃 Skills: Scala, Java, TypeScript, React, JVM, MySQL, PostgreSQL, Snowflake, AWS, Git, GitHub, Datadog, AI, ML 🏢 Description: Who we are The real world is the next frontier, and at Metropolis, we are creating the artificial intelligence to make it responsive. We are pioneering the Recognition Economy — a future where mundane repetition disappears and being known unlocks access, comfort, and belonging everywhere you go. From transforming parking into a seamless drive-in, drive-out experience for millions of Members to expanding our intelligence layer across retail and hospitality, we are building a world that feels instinctive and magical. The future isn’t coming; it’s here, and we need builders, innovators, and problem solvers to help us create it. Who you are Metropolis is seeking a Staff Software Engineer to lead the technical evolution of our Incentive Offers platform, serving as a critical architect for our identity, decisioning, and measurement infrastructure. You will play a pivotal role in transforming vision-based location signals into a scalable demand engine for our partners by building the platform layer that connects arrivals to automated campaigns. As a technical steward and influencer, you will solve complex technical challenges that few others can while mentoring engineers and setting the direction for project impact and engineering craft across the organization. What you'll do Define the technical strategy and long-term roadmap for the Incentive Offers platform Architect scalable services for offer management, campaign eligibility, and business rule enforcement Design high-throughput infrastructure for real-time member communication and preference management Develop identity resolution systems that connect physical-world vehicle signals with digital member profiles Build robust attribution and measurement engines to track closed-loop redemption across diverse verticals Engineer seamless integrations between our platform and external partner systems or point-of-sale technologies Mentor senior engineering talent and advocate for high standards of engineering craft and efficiency Solve complex distributed systems problems related to high-volume transaction processing and data consistency Partner with Product and Marketing leaders to translate business objectives into scalable technical solutions Identify and resolve systemic bottlenecks to improve developer velocity and system reliability What we're looking for Advanced degree in Computer Science or a related technical field 8+ years of experience building customer-facing applications and complex distributed systems Demonstrate expert proficiency in Scala, Java, or similar JVM-based languages Experience with AI/ML tools to improve engineering productivity or system intelligence Show a proven track record of leading technical strategy for significant engineering initiatives Possess a strong background in architecting data-intensive platforms and real-time event-driven systems Communicate complex technical concepts effectively to both technical and non-technical stakeholders Mentor engineers to foster a high-performance engineering culture and technical growth Design for operational excellence including observability, monitoring, and automated testing Navigate high levels of ambiguity and deliver results in a fast-paced environment While not required, these are a plus: Familiarity with marketing technology stacks or consumer-facing loyalty platforms Experience working in high-growth startup environments or industry-leading tech companies Our Stack Languages + Frameworks: TypeScript, React, Scala (principally), Java (limited) Datastores: MySQL, PostgreSQL, Snowflake Cloud: AWS Version control: Git & GitHub AI Tooling: Copilot on GitHub and Claude Code Observability: Datadog 4 Days in Office: Metropolis values in-person collaboration to drive innovation, strengthen culture, and enhance the Member experience. Our corporate team members hold to our office-first model, which requires employees to be on-site at least four days a week, fostering organic interactions that spark creativity and connection When you join Metropolis, you'll join a team of world-class product leaders and engineers, building an ecosystem of technologies at the intersection of parking, mobility, and real estate. Our goal is to build an inclusive culture where everyone has a voice and the best idea wins. You will play a key role in building and maintaining this culture as our organization grows. The anticipated base salary for this position is $200,000.00 USD to $250,000.00 USD annually. The actual base salary offered is determined by a number of variables, including, as appropriate, the applicant's qualifications for the position, years of relevant experience, distinctive skills, level of education attained, certifications or other professional licenses held, and the location of residence and/or place of employment. Base salary is one component of Metropolis' total compensation package, which may also include access to or eligibility for healthcare benefits, a 401(k) plan, short-term and long-term disability coverage, basic life insurance, a lucrative stock option plan, bonus plans, and more. #LI-CM1 #LI-OnsiteMetropolis may utilize an automated employment decision tool (AEDT) to assess or evaluate your candidacy for employment or promotion. AEDTs are used to assist in assessing a candidate’s application relative to the required job qualifications and responsibilities listed in the job posting. As part of this process, Metropolis retains data relevant to your candidacy, including personal information, for a period that is reasonably necessary for the use of the tool. If you are hired for the position, your data may become part of your employee records. Metropolis Technologies is an equal opportunity employer. We make all hiring decisions based on merit, qualifications, and business needs, without regard to race, color, religion, sex (including gender identity, sexual orientation, or pregnancy), national origin, disability, veteran status, or any other protected characteristic under federal, state, or local law.

Technology

zooplus

Senior Software Engineer - Python

Senior

Hybrid

Kraków, Poland

🏢 Summary: Senior Backend Software Engineer role focused on building and maintaining backend services for mobile applications in a large-scale pet e-commerce platform. The position involves developing microservices, cloud-native solutions, CI/CD pipelines, and collaborating in Agile teams using modern DevOps practices. Candidates will work across the full software development lifecycle with technologies such as Python, AWS, Docker, Kubernetes, and Spring. 🗂️ Requirements: 6+ years of professional Python experience, Experience with Java, Experience with Spring, Strong understanding of complex software architectures, Experience with unit testing and TDD, Experience with DevOps tools and practices, Experience with CI/CD pipelines, Experience with AWS, Experience with Kubernetes, Ability to work across full software development lifecycle, Ability to mentor junior developers, Excellent communication skills, English proficiency 📃 Skills: Python, Java, Spring, AWS, Docker, Kubernetes, Terraform, Jenkins, InfluxDB, Grafana, ELK, S3, SNS, SQS, RDS, DynamoDB, Git, Scrum, TDD, CI/CD, Microservices 🏢 Description: Company Description With over 25 years’ experience, plus the same enormous passion and ambition we had on day-one, we’re trailblazers in the pet e-commerce industry. Our solutions make over 12 million customers genuinely happier – and that’s something we really care about. We work together to continually adapt; embracing change and the challenges it brings so that we can keep doing better. Join us and discover a place where your potential meets your passion for pets. That’s the power of plus. Job Description We are looking for a Senior Backend Software Engineer to join our Mobile Apps Team, bring new features to life, and support the evolution of our services and products. You will work closely with the product owner, area architect, and your team members to clarify business needs and technical requirements and define how to best support them. In close collaboration with other teams, your team will introduce new features and improvements to the mobile apps to provide an even better experience for more than 11 millions of our customers! As our Senior Backend Software Engineer: You will work with your Team and Product Owner in a challenging Agile environment, collaborating closely with other teams. You will participate in the team's technical/architectural discussions and decisions. You will develop and continuously deliver applications for one of Europe's most successful pet e-commerce platforms. You will participate in the complete software development life cycle from discovery through coding, testing, deployment, and maintenance. You will learn and grow your skills daily, striving for mastery using state-of-the-art technologies and practices such as AWS, Microservices, Docker, and more. At the Mobile Apps , our primary responsibility is the iOS and Android apps, including the services that power them. This includes all aspects of the customer journey, from onboarding, personalised home feed, wishlist, search and catalog to cart and checkout. As a rapidly growing channel, the Mobile Apps are crucial to the company's success. Here are several aspects of our team and work environment that contribute to a positive and fulfilling experience: We work in self-organised teams following Scrum methodology, respecting and valuing everyone´s opinion. We learn from each other and share knowledge through pair programming, code reviews, and many training opportunities. We deliver value by developing new features, maintaining existing products, and improving all the infrastructure we need, so we would also like to have a colleague who is cross-functional . We are committed to delivering high-quality products and believe that continuous delivery, clean code, and a DevOps mindset are key to achieving this goal. Our team values a friendly and collaborative environment , and we greatly encourage open communication and teamwork . We believe in a team approach and do not assign blame; instead, we work together to build and maintain the system. We embrace diversity, having colleagues from over 50 countries. This means our working language is English . These are some of the technologies/frameworks/practices we use: Python Java 11+, Spring framework CI/CD with Jenkins pipeline InfluxDB, Grafana, ELK stack Docker, Kubernetes Amazon Web Services and cloud deployments (S3, SNS, SQS, RDS, DynamoDB, etc.), using tools such as Terraform or AWS CLI Git, Scrum, Pair Programming, Peer Reviewing Your responsibilities Participate in solution investigation, estimations, planning, and alignment with other teams. Design, implement, deliver, and support backend solutions (restful web services) using micro-services architecture. Work closely with other teams to integrate their solutions into the mobile apps. Promote and implement test automation (e.g., unit tests, integration tests, e2e tests and performance tests) Build and maintain CI/CD pipelines for continuous integration, development, and deployment. Deploy applications on the cloud using technologies such as Docker, Kubernetes, AWS and Terraform. Work closely with the team in an agile and collaborative environment. This will involve code reviews, pair programming, knowledge sharing, and incident coordination. Maintain existing applications and reduce technical debt. Qualifications Must have: 6+ years of professional experience with Python; experience with Java and the Spring Framework is a plus. Strong understanding of complex architecture landscapes, with the ability to independently investigate and implement new features. Ownership mindset with a strong focus on delivering high-quality solutions; experience with unit testing and Test-Driven Development (TDD). Experience with DevOps tools and practices, including container orchestration, CI pipelines, monitoring and alerting, AWS, and Kubernetes. Interest in contributing across the full software development lifecycle (frontend, backend, testing, and DevOps). Ability to mentor junior colleagues and help structure and clarify requirements. Empathetic team player with the ability to build effective working relationships. Excellent verbal and written communication skills. Nice to have: Experience working within Agile practices and knowledge of Agile values & principles. Experience working with Microservices. Experience in the e-commerce domain. Experience with AI-assisted development and modern SDLC tooling: Tools like GitHub Copilot / Copilot Chat Applying AI for code generation, refactoring, test automation, and documentation Using AI to accelerate debugging, prototyping, and architectural decisions Additional Information Headquartered in Munich, with offices across Madrid, Krakow, Wroclaw, London and Vienna, we collaborate because we genuinely love working together - so you’ll be at the heart of an incredible, multinational team. We trust each other to get the job done, which means you’ll benefit from hybrid working, spending 60% of your time in the office and 40% at home. There’s an option to work for 20 days abroad in approved countries too. Add to that development opportunities that help you to shape your own career path, excellent training and support, wellbeing offers, subsidised transport or bike leasing, plus 20% discount across all our products, and you’ll begin to get a sense of what sets us apart. Find out more about the specific benefits at your local office in our blog posts . At zooplus, we believe in equal opportunity and support everyone to fulfil their potential. We recognise the power of listening and learning from each other and embrace diversity and inclusion of all. #LI-Hybrid