CrawlJobs Logo

Middle Software Engineer (React)

edvantis.com Logo

Edvantis

Location Icon

Location:
Poland , Rzeszów

Category Icon

Job Type Icon

Contract Type:
Not provided

Salary Icon

Salary:

Not provided

Job Description:

Our Client is the leading energy SaaS company delivering highly-technical insights and predictive/prescriptive analytics that empower customers to make decisions that increase profit. You would be joining the team developing our premier energy analytics platform.

Job Responsibility:

  • Rapidly prototype new features in a React-based web application
  • Influence design and user experience of single-page applications
  • Interact with and develop new microservices backed by document-based databases and GPU-accelerated databases
  • Write unit, integration, and end-to-end tests
  • Stay up to date on the industry trends through self-study, research, and online courses
  • Mentor junior team members

Requirements:

  • EU residence
  • 3+ years of software development experience in building web applications using React
  • Extensive experience with modern web application development tools and libraries
  • Multiple-years experience writing modern JavaScript (ES2015 and later) code
  • Knowledge and experience with one JavaScript-based bundler (we use webpack)
  • Experience with Node.js
  • Experience with Docker/Kubernetes
  • Understanding of CI/CD
  • Familiarity with OOP and Agile methodologies
  • Being comfortable managing source code using Git (we use GitHub)
  • Good understanding of data structure and algorithms

Nice to have:

  • Hands-on experience with WebdriverIO
  • Experience in data visualization, using Mapbox, D3, or other Javascript-based libraries
What we offer:
  • Remote-first work model with flexible working hours (we provide all equipment)
  • Comfortable and fully equipped offices in Lviv and Rzeszów
  • Competitive compensation with regular performance reviews
  • 18 paid vacation days per year + all state holidays
  • 12 days of paid sick leave per year without a medical certificate + extra paid leave for blood donation
  • Medical insurance with an affordable family coverage option
  • Mental health program which includes free and confidential consultations with a psychologist
  • English, German, and Polish language courses
  • Corporate subscription to learning platforms, regular meetups and webinars
  • Friendly team that values accountability, innovation, teamwork, and customer satisfaction
  • Inclusive environment where everyone feels valued and treated equally. We proudly partner with VeteranHub to support Ukrainian veterans
  • We are committed to supporting Ukraine and actively participate in charity initiatives

Additional Information:

Job Posted:
January 22, 2026

Employment Type:
Fulltime
Work Type:
Remote work
Job Link Share:

Looking for more opportunities? Search for other job offers that match your skills and interests.

Briefcase Icon

Similar Jobs for Middle Software Engineer (React)

Senior Software Engineer

As a result of our continued growth, we are seeking an outstanding Senior Softwa...
Location
Location
United States , Pittsburgh
Salary
Salary:
Not provided
nuix.com Logo
Nuix
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of experience in a similar role
  • Strong software development skills in a middle tier technology (C#, Java, Node)
  • Strong software development skills in a front-end framework (React, Angular, Ext JS)
  • Experience with cloud technologies with a preference towards AWS
  • Experience with databases (MS SQL, ElasticSearch)
  • Desire to work on technologies such as machine learning, image processing, indexing, OCR, machine language translation, audio/video translation
  • Demonstrate ability to solve complex problems, such as high load or large-scale data scenarios
  • A willingness to follow good development practices, such as writing unit tests, performing code reviews, and meeting quality gates
  • A desire to follow agile methodologies
  • Ability to thrive in a fast paced, agile environment with a sense of urgency and attention to detail
Job Responsibility
Job Responsibility
  • Deliver scalable and performant solutions as part of an Agile team
  • Collaborate across teams to achieve seamless integrations between multiple projects
  • Develop software from approved designs and/or requirements adhering to all relevant standards and making efficient use of Nuix’s software development environment
  • Deliver software via a mature continuous integration strategy
  • Design, develop, and perform unit, system, and integration tests of software components
  • Participate in planning, backlog grooming, and technical design discussions
  • Ensure code quality meets relevant coding standards
  • Maintaining and enhancing application APIs including GraphQL
  • Fulltime
Read More
Arrow Right

Senior Software Engineer

As a result of our continued growth, we are seeking an outstanding Senior Softwa...
Location
Location
United States , Pittsburgh
Salary
Salary:
Not provided
nuix.com Logo
Nuix
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of experience in a similar role
  • Strong software development skills in a middle tier technology (C#, Java, Node)
  • Strong software development skills in a front-end framework (React, Angular, Ext JS)
  • Experience with cloud technologies with a preference towards AWS
  • Experience with databases (MS SQL, ElasticSearch)
  • Desire to work on technologies such as machine learning, image processing, indexing, OCR, machine language translation, audio/video translation
  • Demonstrate ability to solve complex problems, such as high load or large-scale data scenarios
  • A willingness to follow good development practices, such as writing unit tests, performing code reviews, and meeting quality gates
  • A desire to follow agile methodologies
  • Ability to thrive in a fast paced, agile environment with a sense of urgency and attention to detail
Job Responsibility
Job Responsibility
  • Deliver scalable and performant solutions as part of an Agile team
  • Collaborate across teams to achieve seamless integrations between multiple projects
  • Develop software from approved designs and/or requirements adhering to all relevant standards and making efficient use of Nuix’s software development environment
  • Deliver software via a mature continuous integration strategy
  • Design, develop, and perform unit, system, and integration tests of software components
  • Participate in planning, backlog grooming, and technical design discussions
  • Ensure code quality meets relevant coding standards
  • Maintaining and enhancing application APIs including GraphQL
  • Fulltime
Read More
Arrow Right
New

Senior Internal Auditor Hospital Operations

This Senior Internal Auditor role will primarily focus on auditing processes and...
Location
Location
United States , Charlotte
Salary
Salary:
41.10 - 61.65 USD / Hour
advocatehealth.com Logo
Advocate Health Care
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's degree in accounting, finance, auditing, information systems or related field required
  • 3-5 years of related work experience in provider healthcare, internal auditing or a related field such as accounting
  • Must possess moderate knowledge and understanding of internal auditing, accounting, technology, data analytics, healthcare compliance, and business principles
  • CIA or CPA professional certification is desired
  • Experience as a nurse and/or comfort in a patient care setting
  • Knowledge of revenue cycle function and the translation of patient care to documentation, coding and billing is a plus
Job Responsibility
Job Responsibility
  • Design, coordinate, and conduct independent audits that monitor the hospital and clinic activities and protocols of Advocate Health in accordance with applicable laws, rules, and regulations
  • Identifies operational and patient safety matters related to policy, accreditation, and federal regulatory standards
  • Researches and understands clinical workflows in hospital and clinic settings
  • Understands business processes and activities in order to appropriately determine risks
  • develops audit budgets, objectives and procedures
  • identifies findings and root causes
  • concludes as to the adequacy of internal controls
  • recommends opportunities for improvement
  • and evaluates leadership action plans
  • Conducts approved audit testing (interviews, document review, flowcharting, data analysis) to identify reportable issues for an audit project
What we offer
What we offer
  • Paid Time Off programs
  • Health and welfare benefits such as medical, dental, vision, life, and Short- and Long-Term Disability
  • Flexible Spending Accounts for eligible health care and dependent care expenses
  • Family benefits such as adoption assistance and paid parental leave
  • Defined contribution retirement plans with employer match and other financial wellness programs
  • Educational Assistance Program
  • Premium pay such as shift, on call, and more based on a teammate's job
  • Incentive pay for select positions
  • Opportunity for annual increases based on performance
  • Fulltime
Read More
Arrow Right
New

Corporate Communications Manager

We are looking for a proven corporate communications professional to help shape ...
Location
Location
United States , New York; San Francisco
Salary
Salary:
159000.00 - 177000.00 USD / Year
uber.com Logo
Uber
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Minimum of 7+ years of experience in PR or corporate communications, with a significant focus on B2B, enterprise, and/or financial communications
  • Bachelor's degree
  • Proven track record of developing and implementing high-impact communications strategies that support a wide range of business objectives
  • Comprehensive understanding of the media landscape and fluency across financial and investor communications
  • Exceptional written and verbal communication skills
  • Ability to translate product milestones, business strategy, and financial results into compelling stories that can break through the noise with business press and enterprise audiences
  • Experience influencing senior stakeholders across Finance/IR/Legal/Product/Sales with competing incentives and tight deadlines
Job Responsibility
Job Responsibility
  • Develop and execute a comprehensive communications strategy to proactively drive B2B and financial narratives across all of Uber’s business lines
  • Counsel senior executives and business leads on communications challenges and opportunities, finding opportunities to advance Uber’s business strategy to complement communications objectives
  • Cultivate and maintain deep relationships with top-tier business, financial, and trade journalists, as well as secure key conferences and speaking engagements for executives
  • Draft and edit all communications materials, including comprehensive announcement plans, press releases, talking points, and social posts
  • Lead corporate issues management for B2B/financial narratives, partnering with business, legal, and policy teams on both rapid response and longer-term reputation mitigation
  • Highlight key successes within Uber’s business internationally for a US audience, and support regional teams for global announcements
What we offer
What we offer
  • Eligible to participate in Uber's bonus program
  • May be offered an equity award & other types of comp
  • Eligible for various benefits
  • Fulltime
Read More
Arrow Right
New

Social Media Lead

At Uber, we believe the most successful technology companies are forward-thinkin...
Location
Location
Poland , Warsaw
Salary
Salary:
Not provided
uber.com Logo
Uber
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6+ years of proven experience in social media content creation and execution
  • Fluency in speaking and writing in Polish and English
  • Outstanding video shooting and editing skills with an eye for graphic design
  • Proficiency in tools like Adobe Premiere, CapCut, Canva, or Photoshop
  • A deep understanding of major platforms (TikTok, Instagram, YouTube, X) and their respective audiences, features, and best practices
  • An excellent writer who can craft clear, concise, and snappy copy, distilling complex announcements into simple, engaging content
Job Responsibility
Job Responsibility
  • Manage Local Channels: Own the day-to-day management of Uber’s Polish social media accounts
  • Content Creation: Shoot, edit, and create original content (video, graphics, captions) for posts on local channels
  • Strategic Planning: Craft clear and compelling social plans for both timely and evergreen initiatives
  • Cross-Functional Collaboration: Work closely with Comms, Marketing, Ops, and Legal to bring new products, partnerships, and brand campaigns to life
  • Community & Culture: Engage with our community on owned channels and during key cultural moments
  • Data & Analytics: Collect and analyze relevant data to inform smart content choices
Read More
Arrow Right
New

Director, Innovation Districts Communications

Director of Innovation Districts Communications, reporting to either an Associat...
Location
Location
United States , Charlotte
Salary
Salary:
75.40 - 120.65 USD / Hour
advocatehealth.com Logo
Advocate Health Care
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor’s degree in communications, journalism, public relations, marketing, advertising or related field, or applicable experience in field
  • 10+ years of experience in Communications, Marketing, Journalism or other related field, including 3 years of management-level experience overseeing budgets and formulating and executing comprehensive communications strategies
  • Proven ability to develop and lead communications and public relations strategies and effectively communicate recommendations to executive leadership
  • A flair for creating persuasive content and communicating effectively (and differently) depending on the medium
  • Experience with proactive and crisis communications planning
  • Proactive, independent and takes initiative with consistent follow through
  • Superb communication skills, verbal and written, conducted in a timely manner
  • Superior time management skills, with capability of working with and meeting deadlines
  • Ability to think critically, understand complex concepts, synthesize information, create clarity to support sound decision-making
  • Specific experience and strong record of success in understanding the environment, identifying opportunities, designing solutions and aligning action to drive performance
Job Responsibility
Job Responsibility
  • Recommend and execute measurable proactive and reactive external communications strategies in collaboration with the rest of the external communications leadership team and others across the department
  • Identify and implement strategies and tactics to identify and cultivate meaningful recognition opportunities that will reaffirm Advocate Health’s leadership role in areas of differentiation within the health industry, driving the influence of Advocate Health as a key national voice in the industry
  • Create communications plans, often as part of integrated marketing campaigns, that support organization and business goals but also protect and enhance the reputation of the Advocate Health and related brands
  • Track and provide recommendations to leadership around emerging trends, potential industry issues and/or brand reputation risks, developing reactive action plans and responses as needed
  • Oversee content creation strategies, including but not limited to, consumer communications, press releases, pitches, blogs, opinion editorials, talking points, annual reports, thought leadership articles, etc
  • Identify critical relationships with trade reporters, key local, regional, national media outlets and influencers to facilitate relationship building resulting in positive earned media coverage
  • Keep abreast of media related to customers, competitors and the industry
  • Work cross-functionally to craft communications plans that influence the thinking and behavior of key audiences and thoughtfully promote Advocate Health and its family of brands
  • Effectively manage the people and budget for their team, working closely with the rest of the reputation and external communications leadership team
  • Designs and directs the work of the assigned area(s) of responsibility. Selects, coaches, and develops teams, setting objectives that align with organizational strategy to inspire and motivate the teams. Manages organizational talent through performance management, succession planning, and development. Designs and directs processes by which team and individual performance are recognized, feedback is consistently delivered, and performance is systematically improved
What we offer
What we offer
  • Paid Time Off programs
  • Health and welfare benefits such as medical, dental, vision, life, and Short- and Long-Term Disability
  • Flexible Spending Accounts for eligible health care and dependent care expenses
  • Family benefits such as adoption assistance and paid parental leave
  • Defined contribution retirement plans with employer match and other financial wellness programs
  • Educational Assistance Program
  • Fulltime
Read More
Arrow Right
New

Director, Executive Division Communications

Provide strategic counsel to a Division President to prioritize, plan, and deliv...
Location
Location
United States , Charlotte
Salary
Salary:
68.20 - 102.30 USD / Hour
advocatehealth.com Logo
Advocate Health Care
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor’s degree in communications, journalism, public relations, marketing, advertising or other business-related field, or bachelor’s degree combined with relevant experience
  • 7+ years of experience in Communications, Marketing, Journalism or other business-related field, including experience working with executives and formulating and executing communications strategies
  • Proven ability to develop communications and public relations strategies and effectively communicate recommendations to leadership
  • Superb oral and written communications, executive presence and relationship development skills
  • Experience with proactive and crisis communications planning
  • Independent and takes initiative with consistent follow through
  • Superior time management skills with capability of working with and meeting deadlines
  • Ability to think critically, understand complex concepts, synthesize information, create clarity to support sound decision-making
  • Specific experience and strong record of success in understanding the environment, identifying opportunities, designing solutions and aligning action to drive communications performance
  • Highly strategic with a demonstrated track record in assessing complex, competitive issues and situations and in developing related initiatives in partnership with other stakeholders to drive results
Job Responsibility
Job Responsibility
  • Provide strategic counsel to a Division President to prioritize, plan, and deliver strategic communications initiatives that inform and engage communities, elevate the organization’s profile and build goodwill
  • Support localized crisis communications and issues/change management to protect and enhance organization’s reputation and maintain engagement. Prepare proactive and reactive crisis communication plans in collaboration with other communications leaders
  • Drive strategy to ensure message influence, alignment and relevance among key constituencies, including the media, elected and public officials, community members, donors and other target audiences
  • Write speeches, talking points, presentations, and other external-facing written communications for a Division President
  • Develop and execute division executive communications plans to ensure leader engagement and effectively cascade information in a comprehensive way
  • Coordinate Division President communications with the CEO communications team to ensure message consistency and amplification with the CEO
  • Coordinate with internal communications to ensure consistency of messaging to teammates and clinicians
What we offer
What we offer
  • Paid Time Off programs
  • Health and welfare benefits such as medical, dental, vision, life, and Short- and Long-Term Disability
  • Flexible Spending Accounts for eligible health care and dependent care expenses
  • Family benefits such as adoption assistance and paid parental leave
  • Defined contribution retirement plans with employer match and other financial wellness programs
  • Educational Assistance Program
  • Fulltime
Read More
Arrow Right
New

Performance Marketing Manager, SEM + Bidding

We’re looking for a proactive, self-driven candidate to support and grow our glo...
Location
Location
United States , San Francisco; New York
Salary
Salary:
140000.00 - 155500.00 USD / Year
uber.com Logo
Uber
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor’s Degree in Marketing or an allied field
  • 3+ years of hands-on SEM campaign management with a focus on bidding strategies and performance optimization
Job Responsibility
Job Responsibility
  • Develop, execute, and refine automated and manual bidding strategies across Google Ads, Microsoft Ads, and other paid search platforms SEM + PLAs
  • Leverage smart bidding, portfolio strategies, and bid adjustments to maximize ROAS, CPA efficiency, or other KPIs
  • Continuously monitor auction insights, impression share, and CPC trends to maintain competitiveness
  • Implement and manage tracking pixels, tags, and data integrations (Google Tag Manager, Floodlight, GA4, Adobe Analytics, etc.)
  • Collaborate with engineering and analytics teams to ensure data pipelines are accurate and shareable across platforms
  • Establish standardized data-sharing frameworks with stakeholders to drive transparency and unified performance measurement
  • Build dashboards and reporting systems (Excel, Looker Studio, Tableau, PowerBI) for real-time SEM insights
  • Deliver actionable insights and recommendations to leadership on spend allocation, funnel bottlenecks, and growth opportunities
  • Build scripts to automate manual tasks
What we offer
What we offer
  • Eligible to participate in Uber's bonus program
  • May be offered an equity award & other types of comp
  • Eligible for various benefits
  • Fulltime
Read More
Arrow Right