Job Closed

This listing is no longer active.

Sigma Software Group logo
Sigma Software Group

We support enterprises, product houses, and startups with custom software solutions development and IT consulting.

Senior Full Stack Developer – JavaScript, AI

Backend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 1,001-5,000Since 2002H1B No SponsorCompany SiteLinkedIn

Location

Poland

Posted

128 days ago

Salary

0

Seniority

Senior

Job Description

Senior Full Stack Developer – JavaScript, AI

Sigma Software Group

• Design, implement, and debug software modules, components, and complete systems of small to medium complexity • Develop unit, integration, and automated end-to-end tests • Perform thorough self-testing of code, covering key scenarios and edge cases before marking tasks as complete • Follow best engineering practices aligned with company SDLC and guidelines • Mentor junior specialists, providing guidance and conducting peer reviews to ensure quality delivery • Participate in requirements clarification sessions, proactively raising questions and ensuring readiness for implementation • Conduct peer reviews with middle and senior specialists, actively requesting feedback • Contribute to estimation and planning sessions • Act as feature leader when applicable, overseeing delivery from requirements gathering to defect resolution • Prepare technical and user documentation • Track task progress against estimates and schedules, proactively flagging risks • Participate in project and team meetings, providing relevant updates • Support build and deployment automation where applicable • Continuously develop skills and qualifications, aiming for advancement to Senior role • Attend training courses, seminars, and conferences • Join customer meetings, both virtual and in-person

Job Requirements

  • 5+ years of experience with TypeScript and JavaScript
  • 5+ years of experience with Node.js; experience with NestJS
  • Experience with AI tools: Cursor, Claude Code
  • Databases: MySQL (Relational), Redis (Document-based)
  • Optional Front-end: React JS, TypeScript, JavaScript
  • General understanding of CI/CD practices
  • Experience with Azure and/or AWS
  • English: Upper-Intermediate level
  • Process automation experience (WILL BE A PLUS)
  • Business process modeling skills (WILL BE A PLUS)
  • ERP systems experience (WILL BE A PLUS)
  • Familiarity with Scrum frameworks (WILL BE A PLUS)

Benefits

  • Continuous learning opportunities
  • Challenging projects
  • Supportive environment

Related Job Pages

More Backend Engineer Jobs

Travoom logo

Senior Rust Backend Engineer – Distributed Systems

Travoom

Travoom is the marketplace for bucket list travel experiences.

Backend Engineer128 days ago
Full TimeRemoteTeam 11-50H1B No Sponsor

• Designing and owning core backend architecture in Rust (async-first) • Defining service boundaries, data ownership, and evolution strategy • Designing scalable APIs (REST and/or GraphQL) for mobile and web clients • Modeling and operating PostgreSQL as a long-term source of truth • Architecting real-time systems (feeds, messaging, event-driven workflows) • Making tradeoffs around consistency, latency, and scalability • Working with DevOps while retaining backend architectural authority • Reviewing critical code paths and preventing premature complexity

Texas
Job Closed
Blend360 logo

Senior Software Engineer, Python

Blend360

Optimizing business performance through people, data, tech & analytics

Backend Engineer128 days ago
Full TimeRemoteTeam 501-1,000H1B Sponsor

• Contribute to engineering initiatives as a full software developer, delivering production-quality features and services. • Write, review, test, and maintain clean, reliable, and scalable code following standard engineering workflows (PRs, code reviews, CI/testing). • Provide internal developer support by answering specialized, contextual questions across the engineering ecosystem (tooling, libraries, standards, and patterns). • Guide engineers on local development environment setup, Unix/Bash workflows, and day-to-day tooling usage. • Advise teams on internal tools and frameworks, clearly explaining technical trade-offs and recommending best paths forward. • Identify repetitive friction points and automate workflows through scripts, templates, and improved tooling. • Partner with the team to embed AI know-how into the company’s AI coding tools (e.g., Claude) and enable smarter developer experiences. • Contribute to infrastructure-as-code and internal platform efforts using Terraform, especially in AWS-based environments. • Help teams make identity/security framework decisions (e.g., Okta, Auth0) based on use case and organizational standards. • Operate effectively in ambiguous environments, establishing clarity where documentation or standards don’t yet exist.

Uruguay
Job Closed
Blend360 logo

Python Engineer

Blend360

Optimizing business performance through people, data, tech & analytics

Backend Engineer128 days ago
Full TimeRemoteTeam 501-1,000H1B Sponsor

• Develop and maintain Python-based services and integrations that support IAM and access management platforms. • Support cloud infrastructure deployments using Infrastructure as Code (Terraform / Terraform Enterprise) with guidance from senior engineers. • Assist with onboarding internally hosted, SaaS, and homegrown applications into centralized data and access frameworks. • Help implement and support integrations between IAM tools and enterprise platforms such as IGA solutions, ServiceNow, and Okta. • Perform data mapping and data management activities to integrate application user access data. • Contribute to building and maintaining Terraform Enterprise (TFE) projects, AWS resources, and reusable modules. • Support event-driven and serverless solutions using AWS services (e.g., Lambda, SQS, SNS). • Assist in designing and supporting APIs and backend services for platform integrations. • Contribute to CI/CD pipelines, code reviews, and quality standards following best practices. • Collaborate with the team to ensure platform reliability, security, and scalability.

Uruguay
Job Closed
Tietoevry logo

Junior/Middle .NET Software Engineer

Tietoevry

We create purposeful technology that reinvents the world for good. #purposefultechnology #tietoevry

Backend Engineer128 days ago
Full TimeRemoteTeam 10,001+H1B No Sponsor

• implement product features according to specifications and user stories • Participate in backend and API development • Work with database models and business logic • Fix bugs and improve existing functionality • Collaborate with analysts, architects, and QA • Contribute to code reviews and technical discussions

Ukraine
Job Closed