Middle Backend Developer – Node.js

Backend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 201-500H1B No SponsorCompany SiteLinkedIn

Location

Ukraine

Posted

2 days ago

Salary

0

Seniority

Senior

Job Description

Middle Backend Developer – Node.js

United Tech

• Develop and ship web billing integrations: payment providers, subscriptions, recurring billing, webhook handling (idempotency, retries, reconciliation) • Develop and ship marketing integrations: attribution platforms, server-side conversion/events APIs, analytics and CRM/ESP pipelines • Create technical designs for product epics and decompose them into actionable tasks • Participate in team processes: grooming, sprint planning, estimations • Run investigations and tech research (3rd-party API limits, provider selection, edge cases) • Address tech debt and improve reliability and observability of integrations • Take part in the full SDLC: design, dev, code review, testing, release, support

Job Requirements

  • 3+ years of commercial backend development experience
  • 2.5+ years with Node.js (TypeScript)
  • Solid experience with relational and non-relational databases (PostgreSQL, MongoDB, Redis)
  • Experience with SOA/microservices: inter-service communication and dev process
  • Strong fundamentals in design principles and patterns (SOLID, event-driven)
  • Experience integrating third-party REST APIs: auth, rate limits, retries, webhooks, idempotency
  • Experience with async processing / message queues (BullMQ, RabbitMQ or Kafka)
  • Experience with a cloud provider (AWS / GCP)
  • Understanding of scaling and high-load systems
  • Daily use of AI coding assistants (Claude Code, Cursor, GitHub Copilot) for development, refactoring, tests, and documentation
  • Ability to write effective prompts and review/validate AI-generated code — quality and security ownership stays with you

Benefits

  • 20 paid vacation days, 15 sick days, and 6 additional days off for family events
  • Up to 10 additional days off for public holidays
  • 100% medical insurance coverage
  • Sports and equipment reimbursement
  • Team building events, corporate gifts, and stylish merch
  • Financial and legal support
  • Maternity recovery support allowance
  • Position retention and support for those who join the Armed Forces of Ukraine
  • Participation in social initiatives supporting Ukraine
  • Work from our Kyiv hub or remotely with a flexible schedule
  • Modern equipment or depreciation of your own tools
  • Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche
  • Performance-oriented reviews and Individual Development Plans (IDPs)
  • Reimbursement for professional courses and English classes
  • Corporate library, book club, and knowledge-sharing events

Related Job Pages

More Backend Engineer Jobs

Zensar logo

Python Full Stack Developer

Zensar

At Zensar, we’re “experience-led everything”. We are committed to conceptualizing, designing, engineering, marketing, and managing digital solutions and experiences for over 130 leading enterprises. We are a company driven by a bold purpose: Together, we shape experiences for better futures. Whether for our clients, our people, or the world around us, this belief powers everything we do. At the heart of our culture is ONE with Client - a set of four core values that reflect who we are and how we work: One Zensar, Nurturing, Empowering, and Client Focus. Part of the $4.8 billion RPG Group, we’re a community of 10,000+ innovators across 30+ global locations, including Milpitas, Seattle, Princeton, Cape Town, London, Zurich, Singapore, and Mexico City. We believe the best work happens when individuality is celebrated, growth is encouraged, and well-being is prioritized. We are an equal employment opportunity (EEO) and affirmative action employer, committed to creating an inclusive workplace. All qualified applicants will be considered without regard to race, creed, color, ancestry, religion, sex, national origin, citizenship, age, sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.

Full TimeRemoteTeam 10,001

Role Description We are looking for a highly skilled Senior Full Stack Developer with strong hands-on expertise across backend development, frontend engineering, cloud-native architectures, and modern DevOps practices. The ideal candidate is a problem-solver who can design, build, and optimize end-to-end solutions, collaborate across teams, and deliver high-quality, scalable software. Experience working with AI/LLM integrations is a strong plus. Key Responsibilities - Design, develop, and maintain end-to-end web applications across backend, frontend, and integration layers. - Build secure, scalable, and high-performance APIs, microservices, and data workflows. - Develop responsive, user-friendly frontend components using modern JavaScript frameworks. - Collaborate with architects, product managers, QA, and DevOps teams to deliver high-quality features. - Write clean, modular, testable code and participate in peer code reviews. - Troubleshoot production issues, optimize performance, and ensure high system reliability. - Implement CI/CD pipelines, monitoring, and observability practices. - Contribute to technical discussions, solutioning, and architectural improvements. - Stay current with emerging technologies including cloud, DevOps, and AI tooling. Core Technical Skills - Backend Engineering: Python, FastAPI, SQL/NoSQL databases, ORM frameworks, API security (OAuth2, JWT, RBAC), Microservices and event-driven architectures. - Frontend Engineering: React.js, JavaScript/TypeScript, HTML5, CSS3, Bootstrap, Material UI. - Cloud (Azure): App Services, Functions, Service Bus, Event Grid, Blob Storage, Key Vault, Azure API Management. - DevOps & Observability: Docker, Kubernetes, GitHub Actions (CI/CD pipelines), Application Insights, Prometheus/Grafana. - AI & LLMs (Nice to Have): Python-based AI workflows, LLM APIs and integration patterns, LangChain, agentic AI concepts. Required Experience - 7+ years of full-stack software development experience. - Strong hands-on experience building cloud-native, distributed applications. - Solid understanding of software engineering principles, secure coding, and performance optimization. - Experience working in Agile/Scrum environments. - Strong debugging, problem-solving, and analytical skills. Preferred Qualifications - Experience developing SaaS platforms or enterprise-scale systems. - Understanding of architectural documentation (C4 diagrams, sequence diagrams). - Exposure to AI/LLM-based solution integration. - Excellent communication and teamwork skills.

India
NEORIS logo

Senior Backend Engineer

NEORIS

NEORIS is a Digital Accelerator that helps companies step into the future.

Full TimeRemoteTeam 1,001-5,000H1B No Sponsor

Role Description Estamos en búsqueda de: Senior Backend Engineer (Java / Integración de Sistemas) - Diseñar y desarrollar servicios backend robustos utilizando Java y Spring Boot. - Construir y evolucionar APIs de producto bajo enfoque API-first, asegurando versionado y gobierno adecuados. - Implementar soluciones de event streaming con Kafka (Confluent) para procesamiento en tiempo real. - Orquestar pipelines y workflows de datos utilizando Apache Airflow. - Integrar sistemas complejos (internos y externos) garantizando resiliencia, escalabilidad y desacoplamiento. - Participar en decisiones de arquitectura basadas en patrones event-driven y buenas prácticas de observabilidad. Qualifications - +5 años de experiencia en desarrollo backend con Java y Spring Boot. - Experiencia sólida con Kafka en entornos productivos (idealmente Confluent). - Experiencia demostrable en diseño y exposición de APIs orientadas a producto. - Conocimiento práctico de Apache Airflow para orquestación de workflows. - Experiencia en integración de sistemas mediante APIs, mensajería y microservicios. - Experiencia en arquitecturas distribuidas y entornos cloud. Requirements - Experiencia con plataformas cloud como AWS, GCP o Azure. - Conocimiento en patrones de arquitectura como event-driven o CQRS. - Experiencia en entornos de datos (procesamiento batch y streaming). - Participación en iniciativas de modernización o transformación digital. Benefits - Contrato indefinido con salario competitivo. - Modalidad flexible y posibilidad de trabajo remoto. - Plan de carrera personalizado y formación continua. - Participación en proyectos estables con alto componente técnico. - Flexibilidad horaria y enfoque en la conciliación. - Beneficios sociales adaptados a tus necesidades.

Spain

Title: Project Architect/Technical Manager Job Description: Department:Ontario 01 Location:Ontario, CA Who We Are HMC Architects is an employee-owned design firm with an inherent desire to make a difference in our communities. As a purpose-driven brand based on values, our mission to design for good drives everything we do. And our ownership culture creates alignment and increased commitment to that mission, keeping us on track to being successful. What We Do Founded with the purpose of anticipating community needs, HMC aims to create designs that have a positive impact, now and into the future. We focus primarily on opportunities to have the most direct contribution to communities–through healthcare, education, and civic spaces. Why Join HMC As an employee owned company you become an owner after one year—receiving company-provided shares at no cost and building long-term financial growth as the firm succeeds. We also give back through our volunteerism with our Designing Futures Foundation, which advances sustainable and regenerative design and supports the next generation of innovators. In addition to this, we also support our team through: - Culture: We put people over profits, giving them the flexibility to manage their work and life. We believe in fairness, equality in opportunity, and rewarding those who perform. - Wellness: company paid wellness courses, on-site gyms (at select locations), access to financial advisors and discounts to wellness platforms, gyms and more. - Professional Development: LinkedIn learning access, business development training, supportive mentorship, company-paid ARE study materials, exam fees, and licensure completion bonuses. - Comprehensive Comp and Benefits: Base+Bonus+Equity+401k, including student loan repayments, wellness programs, full medical, dental, vision, time off and holidays above industry standard. Job Summary The Project Architect / Technical Manager is responsible for leading the technical development, coordination, and documentation of medium- to large-scale architectural projects. This role oversees design development through construction documents, resolves complex technical and code issues, and manages project teams and consultants to ensure quality, compliance, and efficiency. The position requires strong leadership, technical expertise, and collaboration across internal teams, clients, and regulatory agencies. This position will be working out of Ontario, California office. This position is eligible for hybrid (office/remote) working arrangement and flexible working hours. Responsibilities - Lead the technical development and coordination of projects from design development through construction documentation - Resolve technical, code, and agency approval issues across all project phases - Supervise and manage project teams (up to four staff members), including performance feedback and evaluations - Coordinate and collaborate with consultants, clients, contractors, and internal project teams - Review project documents for quality, accuracy, coordination, and code compliance - Support project planning including schedules, budgets, staffing, and fee coordination - Assist with work plans, hours estimation, and budget adherence for assigned tasks - Manage government agency coordination, plan check comments, and approvals - Lead or participate in Owner/Architect/Contractor (OAC) meetings as needed - Provide mentoring, coaching, and technical guidance to team members - Participate in proposals, interviews, and occasional marketing efforts - Ensure projects align with contractual obligations, client expectations, and firm standards Requirements - Professional degree in Architecture (or related field such as Interior Design, Civil Engineering, Construction Management, or Revit drafting) - Active California Architectural License (required for Project Architect designation) - Minimum of 7 years of experience with demonstrated technical proficiency across all architectural phases - Strong experience in construction documentation, coordination, and quality control - Proven ability to lead teams, delegate tasks, and provide performance feedback - Knowledge of building codes, agency requirements, and plan check processes - Ability to manage budgets, understand contractual liabilities, and support fee and scope development - Excellent written and verbal communication skills - Strong organizational, time-management, and decision-making abilities - Willingness to travel on an as-needed basis - Commitment to following firm procedures, standards, and client protocols This position is non-exempt. The salary range for this position is $85,065 - $127,281 annually. The actual offered salary for this position will vary depending on multiple factors including the candidate’s qualification, education, position knowledge, work experience, skills, ability, work location, and internal incumbent compensation for similar roles. We do not anticipate individuals hired into this position will start at or near the top half of the range listed; the decision will be based on each individual case. The salary range listed above does not include other compensation elements such as discretionary bonus opportunities, employee stock ownership grants, paid time off, medical insurance, and other wage and benefit opportunities.

California
$85.1K - $127.3K / year

Senior End User Platform Engineer

Dimensional Fund Advisors

Dimensional Fund Advisors leverages financial science to provide innovative investment solutions to clients. The company emphasizes an environment of collaborat

Title: Senior End User Platform Engineer Job Description: locations Remote - Austin Metro time type Full time job requisition id 2026-8876 Job Description: About Dimensional: Dimensional was built around a set of ideas bigger than the firm itself. With a confidence in markets, deep connections to the academic community, and a focus on implementation, we go where the science leads, and continue to pursue new insights, both large and small, that can benefit our clients. The Technology Department at Dimensional leverages the rapidly evolving state of the art to engineer scalable, innovative, and research driven solutions to improve our client’s financial lives. We’re looking for a End User Platform Engineer to join our team. You will be the primary architect and engineer for the core services utilized by every employee at Dimensional to communicate, coordinate, plan, and automate securely and reliably. You may be a fit for this role if you: - Are open-minded, curious, and resourceful - Are passionate about/stay current with modern technologies - Solve problems systematically and transparently - Share ideas, solicit/integrate feedback, design and solve collaboratively - Take a software engineering approach and demonstrate automation and security mindsets What you might work on: As a End User Platform Engineer, you will own the technical design of services provided via cloud and on-prem systems. You will collaborate with other platform architect and engineer teams and participate in the design and implementations related to M365 Services with Purview , Security, and EntraID. You will lead implementations in these areas, taking a software engineering approach and emphasizing automation, zero-configuration, and zero-trust. In addition, hand-off operational tasks involved Microsoft Purview Services to Dimensional’s platform operations team. - Remain current on Microsoft 365 Security and Purview, reliability, performance, operations, compliance, and security - Implementation-level experience with Microsoft 365 Security & Microsoft Purview service - You will assist on modernizing Azure and Entra-ID architecture and configuration - Hybrid Identity management - You will help mature the security posture of Microsoft 365 service - Recommend best practices for business solutions - Architecture and cost optimization - Systematic approach for well-engineered solutions - PowerPlatform integration and with other M365 Service Offerings - Assist and development of system integrations outside of M365 - Create automation that governs the technology  The successful candidate will thrive in an environment with significant autonomy to design and solve problems by leveraging their awareness of the state of the art and adhering to security and software standards and best practices. Qualifications: - Bachelor’s degree in a technical field or equivalent work experience - Experience developing and configuring software with code (computer science background preferred) - Experience architecting, building, migrating, and supporting solutions involving Teams, SharePoint, other M365 services - Technical expert in Modern Identity solutions including hybrid, Microsoft Office 365 (Exchange Online, Intune, Azure AD), and Azure Cloud Security and Purview - 8+ years Systems Engineering experience encompassing requirements development, systems design and analysis, systems integration, and product verification and validation - 8+ years’ experience adopting cloud methodologies including implementing, supporting and evolving enterprise scale identity management, messaging and office productivity solutions - Deep knowledge of planning, design, deployment, configuration, optimization of DLP and Security - Strong understanding of client/server, networking and Internet technologies required to troubleshoot complex messaging systems end-to-end - Proficiency of related technologies such as PowerShell, Unified Messaging, MFA, Windows Server, mobile devices, eDiscovery and disaster recovery solutions - Experience in customer-facing roles with demonstrated capability in clearly presenting thoughts and ideas to audiences of various sizes and technical knowledge levels - Significant hands-on experience in administering large M365 (Office, Exchange Online, SharePoint Online, Microsoft Teams, Azure AD, Intune, Defender) environments, including hybrid deployment architectures - Extensive experience in PowerShell and Scripting to support administration and automation of AAD and Office 365 Technologies (Exchange Online, SharePoint Online, Teams, OneDrive, Security & Compliance) - Practical knowledge of Active Directory, DNS, networking, mail routing, Exchange Server and Windows 10 Management - Proven ability to effectively map security, privacy, and operational requirements to implementable engineering controls - Implementation-level experience with Microsoft 365 Protection solutions, including any of the following areas: Data Loss Protection (DLP), Mail Hygiene, classification with labels, records management, threat management, eDiscovery, or GDPR Preferred Competencies: - Microsoft 365 Certified: Enterprise Administrator Expert #LI-Remote Dimensional offers a variety of programs to help take care of you, your family, and your career, including comprehensive benefits, educational initiatives, and special celebrations of our history, culture, and growth. It is the policy of the Company to provide equal opportunity for all employees and applicants. The Company recruits, hires, trains, promotes, compensates, and administers all personnel actions without regard to actual or perceived race, color, religion, religious practice, creed, sex, sex stereotyping, pregnancy (which includes pregnancy, childbirth, and medical conditions related to pregnancy, childbirth, or breastfeeding), caregiver status, gender, gender identity, gender expression, transgender identity, national origin, age, mental or physical disability, ancestry, medical condition, marital status, familial status, domestic partnership status, military or veteran status or service, unemployment status, citizenship status or alienage, sexual orientation, status as a victim of domestic violence, status as a victim of stalking, status as a victim of sex offenses, genetic information, political activities or recreational activities, arrest or conviction record, salary history, natural hairstyle or any other status protected by applicable law except as otherwise required or permitted by law or regulation applicable to the Company or its affiliates.

Texas