1256 Empregos para Engenheiro de software back-end java--sênior - Quatro Barras

Back End Developer — Architect the Future of Innovation
Are you a skilled Back End Developer ready for your next challenge? At Nearshore Business Solutions , we’re always working with innovative companies across industries — and that means we’re constantly on the lookout for top-tier back-end talent. We’re building a strong talent pool of experienced developers so we can match you with the right opportunity as soon as it opens. If you’re passionate about robust systems, clean architecture, and scalable solutions, we want to hear from you.

What You’ll Do (in future roles)

• Design, build, and maintain scalable and efficient server-side applications.
• Develop RESTful APIs and backend services that integrate with front-end applications and third-party systems.
• Work with both relational and NoSQL databases to ensure performance, reliability, and integrity.
• Collaborate with full-stack and front-end developers to deliver complete solutions.
• Write clean, testable, and well-documented code.
• Troubleshoot performance issues and resolve scalability challenges.
• Stay up to date on backend technologies, frameworks, and best practices.
• Participate in architectural decisions and technical planning.

What You’ll Bring

• 3+ years of experience in back-end development.
• Proficiency in at least one of the following: Java, .NET (C#), Python, Node.js, Ruby, PHP .
• Experience with relevant frameworks: Spring Boot, Django, Express.js, Rails, ASP.NET , etc.
• Solid database experience: PostgreSQL, MySQL, SQL Server, MongoDB , etc.
• Strong understanding of API design and development.
• Experience with Git or similar version control tools.
• Good understanding of development best practices, testing, and security principles.
• Strong communication and problem-solving skills.

Bonus Points

• Experience with Kafka, RabbitMQ , or similar messaging tools.
• Knowledge of Redis, Memcached , or other caching strategies.
• Familiarity with cloud services like AWS, GCP, or Azure.
• Experience with Docker, Kubernetes , or other container technologies.
• Understanding of secure coding practices and backend security measures.

Why Join Our Talent Pool?

• Be first in line for new remote or hybrid opportunities across Latin America and the U.S.
• Get matched with roles that align with your tech stack and career goals.
• Work with a recruitment team that understands backend tech inside and out.
• Gain access to projects that value performance, scalability, and architecture.

Apply Now — and let’s architect your next opportunity together.

We are a Portuguese technology consulting company with a strong outward look to the rest of Europe. We have 12 years of experience in the market and reached the status of "large company" in 2018. We now have more than 350 associates and we keep growing, with offices in Lisbon, Porto, and Leiria, as well as projects in more than 20 countries.

Our company is part of the national top 10, with a growth of 250% in the last years. Work-life balance is part of our DNA. We focus on win-win-win relationships, defining every moment of interaction as an experience with unique conditions. Working with Affinity is a "Lifetime Experience" where you will have the opportunity to demonstrate all your potential and to be successful on every level.

#welcometoyourfuture

Responsibilities

• Develop, maintain, and optimize core services in collaboration with a multidisciplinary team.
• Design and implement new features while ensuring scalability, performance, and stability of the platform.
• Contribute to integrations with partner systems and online stores, ensuring seamless data flow.
• Monitor, debug, and resolve technical issues to maintain high availability and reliability.
• Provide technical insights and suggest improvements that enhance user experience and business efficiency.
• Engage with both technical and business perspectives, aligning development work with real business impact.

Skills & Experience

• Strong expertise in Node.js (preferably with NestJS) and proficiency in TypeScript.
• Solid knowledge of relational and non-relational databases (MySQL, PostgreSQL, MongoDB).
• Proficiency with Git for version control and collaborative development.
• Familiarity with Redis, RabbitMQ, Elasticsearch, Solr, Docker, Kubernetes, Linux or PHP are considered a plus.
• Strong problem-solving mindset with the ability to balance technical detail and business context.
• Effective communication, teamwork, and organizational skills, with a proactive and hands-on attitude.

Andela exists to connect brilliance and opportunity. Since 2014, we have been dedicated to breaking down global barriers and accelerating the future of work for both technologists and organizations around the world. For technologists, Andela offers competitive long-term career opportunities with leading organizations, access to a global community of professionals, and educational opportunities with leading technology providers.

At Andela, we're deeply passionate about creating long-lasting and transformative growth opportunities for all - and doing it in an E.P.I.C. way We're excited to continue building our remote-first team with incredible people like you. After applying for this role, you will join our Andela Community of brilliant technologists by passing a technical screening and live interview. As a community member, you'll have access to a multitude of exclusive technologist roles.

Join Andela today to access this opportunity and more in our global marketplace

Our roles are typically filled at lightning speed, so if you're considering applying, get your application in quickly

About the client

The client is a global software platform that powers collaboration for millions of developers. Their team focuses on enabling secure, reliable, and scalable authorization systems. They are modernizing their architecture from a monolithic system to distributed microservices, with a strong culture of collaboration, proactivity, and delivering high-impact features in fast sprint cycles.

About the role

We are looking for a Senior Backend Engineer (Authorization Platform) with deep expertise in Go and enterprise-scale systems. This is a high-impact role contributing to the large-scale migration of authorization logic from a Rails monolith into Go-based microservices, while designing secure, performant, and observable systems.

You will take technical ownership of critical services, collaborate across distributed teams, and be expected to deliver production-ready code quickly.

Responsibilities

• Design, develop, and deploy features for the Go-based authorization microservices.
• Lead migration of authorization logic from a Ruby on Rails monolith into standalone Go services.
• Architect scalable and secure authorization flows (RBAC, ABAC, deny-by-default).
• Ensure observability: implement logging, metrics, and tracing for reliability.
• Collaborate closely with other engineering teams to ensure seamless integrations.
• Participate in sprint rituals (standups, planning, demos) and proactively own tasks from the backlog.
• Document decisions and share knowledge to improve cross-team collaboration.

Must-Have Skills & Experience

• 10+ years of professional backend development experience in enterprise-scale systems.
• 7+ years of production experience with Go (Golang) – strong command of idioms, concurrency, and microservices architecture.
• Hands-on Ruby on Rails experience, especially with reading/modifying code during migrations.
• Deep knowledge of authorization models (RBAC, ABAC) and security best practices (deny-by-default, audit logging).
• Strong experience with MySQL or other relational databases.
• Observability practices: metrics, logging, tracing.
• Ability to ship a production-ready pull request within the first two weeks.
• Excellent communication skills – structured, clear, and able to explain technical trade-offs and architectural choices.

Nice-to-Have Skills

• Experience with Kubernetes and CI/CD (GitHub Actions).
• Familiarity with observability tools (Datadog, OpenTelemetry, Prometheus).
• Experience in large-scale distributed systems.
• Knowledge of Go authorization frameworks (OPA, Casbin, Authzed).

Conditions

• 100% Remote role, with a 5-hour overlap required with UTC-4 (Eastern/Central Time).
• Contractor role – 12-month contract, renewable.
• Full-time dedication (40 hours/week).
• Device provided by the client (no BYOD).

At Andela, we know our strengths lie in our diverse community whose talents, perspectives, backgrounds and orientations we take pride in. Andela is committed to nurturing a work environment where all individuals are treated with respect and dignity. Everyone has the right to work in a professional atmosphere that promotes equal employment opportunities and prohibits discriminatory practices.

Andela provides equal employment opportunities to all employees and applicants without regard to factors including but not limited to race, color, religion, gender, sexual orientation, gender identity, national origin, age, disability, pregnancy (including breastfeeding), genetic information, HIV/AIDS or any other medical status, family or parental status, marital status, amnesty or status as a covered veteran in accordance with applicable federal, state and local laws. This commitment applies to all terms and conditions of employment, including but not limited to hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. Our policies expressly prohibit any form of harassment and/or discrimination, as stated above.

Overview

We are building the world's greatest community of remote technologists.

Organizations that embrace remote work gain access to the brightest minds across the globe. Our clients rely on our community to build or expand their teams with best-in-class remote software engineers, designers, and Agile practitioners—rapidly deployed without compromising on quality.

Join our Remobi community to work on meaningful, innovative freelance projects and help shape how companies operate.

Start Date: ASAP

Location: Anywhere in LATAM

Contract Length - 6 months initially

Contract Type: Freelance / B2B / Contract

Senior Backend Developer (NestJS / Digital Banking Platform)

We are seeking a Senior Backend Developer with 10+ years of experience and deep expertise in NestJS, API architecture, and multi-tenant systems to join our team. You will lead backend development for a next-generation digital banking platform, enabling account creation, secure transfers, real-time dashboards, and deposit tracking.

This is a hands-on leadership role for an engineer who thrives in fast-paced environments, challenges assumptions, and mentors a young and ambitious engineering team while driving backend excellence.

• Backend Development & Architecture
  • Design, build, and optimize scalable multi-tenant APIs for a digital banking system.
  • Implement secure account creation, transfers, and real-time banking dashboards.
  • Lead API architecture discussions, testing (unit, integration, e2e), and deployments.
• Leadership & Mentorship
  • Mentor and coach a growing engineering team, instilling best practices in backend systems.
  • Facilitate code reviews, technical discussions, and knowledge-sharing sessions.
  • Challenge existing approaches and propose better architectural and technical solutions.
• Event Streaming & Observability
  • Drive the adoption of event streaming (Kafka) for real-time transaction processing.
  • Implement strong monitoring, logging, and observability with tools such as Datadog or Grafana.
• Collaboration & Delivery
  • Work closely with frontend engineers (React / Next.js, React Native) to deliver seamless banking experiences.
  • Contribute to onboarding processes by setting up tools, frameworks, and engineering standards.
  • Collaborate cross-functionally with stakeholders to ensure reliable and timely delivery.

• 10+ years of experience in backend development.
• Deep expertise with NestJS (architecture, testing, and production deployment).
• Strong background in multi-tenant API systems and scalable backend architectures.
• Experience in financial services or digital banking is highly desirable.
• Hands-on experience with Kafka or similar event streaming platforms.
• Knowledge of observability tools such as Datadog, Grafana.
• Strong leadership, mentoring, and coaching skills.
• Excellent communication skills in both English and Spanish.

We are building the world's greatest community of remote technologists.

Organizations that embrace remote work gain access to the brightest minds across the globe. Our clients rely on our community to build or expand their teams with best-in-class remote software engineers, designers, and Agile practitioners—rapidly deployed without compromising on quality.

Join our Remobi community to work on meaningful, innovative freelance projects and help shape how companies operate.

Start Date: ASAP

Location: Anywhere in LATAM

Contract Length: 6 months initially

Contract Type: Freelance / B2B / Contract

Senior Backend Developer (NestJS / Digital Banking Platform)

We are seeking a Senior Backend Developer with 10+ years of experience and deep expertise in NestJS, API architecture, and multi-tenant systems to join our team. You will lead backend development for a next-generation digital banking platform, enabling account creation, secure transfers, real-time dashboards, and deposit tracking.

This is a hands-on leadership role for an engineer who thrives in fast-paced environments, challenges assumptions, and mentors a young and ambitious engineering team while driving backend excellence.

• Backend Development & Architecture: Design, build, and optimize scalable multi-tenant APIs for a digital banking system.
• Implement secure account creation, transfers, and real-time banking dashboards.
• Lead API architecture discussions, testing (unit, integration, e2e), and deployments.

• Mentor and coach a growing engineering team, instilling best practices in backend systems.
• Facilitate code reviews, technical discussions, and knowledge-sharing sessions.
• Challenge existing approaches and propose better architectural and technical solutions.

• Drive the adoption of event streaming (Kafka) for real-time transaction processing.
• Implement strong monitoring, logging, and observability with tools such as Datadog or Grafana.

• Work closely with frontend engineers (React / Next.js, React Native) to deliver seamless banking experiences.
• Contribute to onboarding processes by setting up tools, frameworks, and engineering standards.
• Collaborate cross-functionally with stakeholders to ensure reliable and timely delivery.

• 10+ years of experience in backend development.
• Deep expertise with NestJS (architecture, testing, and production deployment).
• Strong background in multi-tenant API systems and scalable backend architectures.
• Experience in financial services or digital banking is highly desirable.
• Hands-on experience with Kafka or similar event streaming platforms.
• Knowledge of observability tools such as Datadog, Grafana.
• Strong leadership, mentoring, and coaching skills.
• Excellent communication skills in both English and Spanish.

Overview

We are building the world's greatest community of remote technologists.

Organizations that embrace remote work gain access to the brightest minds across the globe. Our clients rely on our community to build or expand their teams with best-in-class remote software engineers, designers, and Agile practitioners—rapidly deployed without compromising on quality.

Join our Remobi community to work on meaningful, innovative freelance projects and help shape how companies operate.

Start Date: ASAP

Location: Anywhere in LATAM

Contract Length - 6 months initially

Contract Type: Freelance / B2B / Contract

Senior Backend Developer (NestJS / Digital Banking Platform)

We are seeking a Senior Backend Developer with 10+ years of experience and deep expertise in NestJS, API architecture, and multi-tenant systems to join our team. You will lead backend development for a next-generation digital banking platform, enabling account creation, secure transfers, real-time dashboards, and deposit tracking.

This is a hands-on leadership role for an engineer who thrives in fast-paced environments, challenges assumptions, and mentors a young and ambitious engineering team while driving backend excellence.

• Backend Development & Architecture
  • Design, build, and optimize scalable multi-tenant APIs for a digital banking system.
  • Implement secure account creation, transfers, and real-time banking dashboards.
  • Lead API architecture discussions, testing (unit, integration, e2e), and deployments.
• Leadership & Mentorship
  • Mentor and coach a growing engineering team, instilling best practices in backend systems.
  • Facilitate code reviews, technical discussions, and knowledge-sharing sessions.
  • Challenge existing approaches and propose better architectural and technical solutions.
• Event Streaming & Observability
  • Drive the adoption of event streaming (Kafka) for real-time transaction processing.
  • Implement strong monitoring, logging, and observability with tools such as Datadog or Grafana.
• Collaboration & Delivery
  • Work closely with frontend engineers (React / Next.js, React Native) to deliver seamless banking experiences.
  • Contribute to onboarding processes by setting up tools, frameworks, and engineering standards.
  • Collaborate cross-functionally with stakeholders to ensure reliable and timely delivery.

• 10+ years of experience in backend development.
• Deep expertise with NestJS (architecture, testing, and production deployment).
• Strong background in multi-tenant API systems and scalable backend architectures.
• Experience in financial services or digital banking is highly desirable.
• Hands-on experience with Kafka or similar event streaming platforms.
• Knowledge of observability tools such as Datadog, Grafana.
• Strong leadership, mentoring, and coaching skills.
• Excellent communication skills in both English and Spanish.

We are building the world's greatest community of remote technologists.

Organizations that embrace remote work gain access to the brightest minds across the globe. Our clients rely on our community to build or expand their teams with best-in-class remote software engineers, designers, and Agile practitioners—rapidly deployed without compromising on quality.

Join our Remobi community to work on meaningful, innovative freelance projects and help shape how companies operate.

Start Date: ASAP

Location: Anywhere in LATAM

Contract Length: 6 months initially

Contract Type: Freelance / B2B / Contract

Senior Backend Developer (NestJS / Digital Banking Platform)

We are seeking a Senior Backend Developer with 10+ years of experience and deep expertise in NestJS, API architecture, and multi-tenant systems to join our team. You will lead backend development for a next-generation digital banking platform, enabling account creation, secure transfers, real-time dashboards, and deposit tracking.

This is a hands-on leadership role for an engineer who thrives in fast-paced environments, challenges assumptions, and mentors a young and ambitious engineering team while driving backend excellence.

• Backend Development & Architecture: Design, build, and optimize scalable multi-tenant APIs for a digital banking system.
• Implement secure account creation, transfers, and real-time banking dashboards.
• Lead API architecture discussions, testing (unit, integration, e2e), and deployments.

• Mentor and coach a growing engineering team, instilling best practices in backend systems.
• Facilitate code reviews, technical discussions, and knowledge-sharing sessions.
• Challenge existing approaches and propose better architectural and technical solutions.

• Drive the adoption of event streaming (Kafka) for real-time transaction processing.
• Implement strong monitoring, logging, and observability with tools such as Datadog or Grafana.

• Work closely with frontend engineers (React / Next.js, React Native) to deliver seamless banking experiences.
• Contribute to onboarding processes by setting up tools, frameworks, and engineering standards.
• Collaborate cross-functionally with stakeholders to ensure reliable and timely delivery.

• 10+ years of experience in backend development.
• Deep expertise with NestJS (architecture, testing, and production deployment).
• Strong background in multi-tenant API systems and scalable backend architectures.
• Experience in financial services or digital banking is highly desirable.
• Hands-on experience with Kafka or similar event streaming platforms.
• Knowledge of observability tools such as Datadog, Grafana.
• Strong leadership, mentoring, and coaching skills.
• Excellent communication skills in both English and Spanish.

Join to apply for the Senior Back-End Developer role at Worldly

16 hours ago Be among the first 25 applicants

Join to apply for the Senior Back-End Developer role at Worldly

Location: South America (Remote), Balkan Region (Remote), Mexico (Remote)

About Worldly

Worldly is the world’s most comprehensive impact intelligence platform — delivering real data to businesses on impacts within their supply chain. Worldly is trusted by 40,000 global brands, retailers, and manufacturers to provide the single source of ESG intelligence they need to accelerate business and industry transformation.

Senior Back-End (API) Developer

Location: South America (Remote), Balkan Region (Remote), Mexico (Remote)

About Worldly

Worldly is the world’s most comprehensive impact intelligence platform — delivering real data to businesses on impacts within their supply chain. Worldly is trusted by 40,000 global brands, retailers, and manufacturers to provide the single source of ESG intelligence they need to accelerate business and industry transformation.

Through strategic and meaningful customer relationships, Worldly provides key insights into supplier performance, product impact, trends analysis, and compliance. When a company wants to positively improve their environmental and societal impact, we enable that systemic shift.

Backed by a dedicated global team of individuals aligned by values, Worldly proudly operates as a public benefit corporation with backing from mission-aligned investors. Want to learn more? Read our story.

About The Opportunity

We are seeking an experienced and highly skilled Senior Back-End/API Developer to join our team. In this role, you will be responsible for designing, developing, and maintaining high-performance, scalable back-end systems and RESTful APIs using TypeScript and Node.js.

What You'll Do

• Design and develop robust, efficient, and secure back-end systems and RESTful APIs using TypeScript and Express.js / Node.js.
• Plan and implement data models and database schemas for relational (e.g., PostgreSQL, MySQL) and NoSQL (e.g., CouchDB / MongoDB) databases.
• Optimize application performance by identifying and addressing bottlenecks through profiling, telemetry, and code optimization.
• Implement best practices for code structure, maintainability, security, and scalability.
• Write clean, well-documented, and testable code using industry-standard coding practices.
• Collaborate with other developers, participate in code reviews, and contribute to knowledge sharing.
• Stay up-to-date with the latest trends, best practices, and emerging technologies in back-end development, data management, and software engineering.
  
  

• Proven experience in designing, developing, and maintaining complex and highly performant back-end systems and RESTful APIs.
• Strong proficiency in TypeScript and modern JavaScript (ES6+).
• Extensive experience with Node.js and related frameworks (e.g., Express.js, Nest.js).
• Proficient in working with relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB).
• Expertise in data modeling, database design, and data access patterns.
• Knowledge of web networking protocols (HTTP, HTTPS, WebSockets) and security best practices (authentication, authorization, encryption).
• Experience with performance profiling, optimization techniques, and software algorithms.
• Strong problem-solving, debugging, and troubleshooting skills.
• Excellent communication and teamwork abilities.
  
  

• Experience with back-end testing frameworks (e.g., Jest, Mocha).
• Knowledge of cloud platforms and deployment processes (e.g., AWS, Azure).
• Familiarity with containerization technologies (e.g., Docker, Kubernetes).
• Experience with microservices architecture and event-driven systems.
• Familiarity with message queuing systems (e.g., RabbitMQ, Apache Kafka).
• Knowledge of caching strategies and technologies (e.g., Redis, Memcached).
• Experience with DevOps practices and tools (e.g., CI/CD, monitoring, logging).
  
  

• Comprehensive benefits package - 100% of employee premiums covered by Worldly
• Statutory benefits provided in accordance with local labor laws for employees outside the U.S., administered through Deel
• Company-sponsored 401 (k) with up to 4% match for US-based employees
• Growth Opportunities
• Equipment Stipends
• Unlimited PTO
• Paid company holidays
  
  

• Earn a competitive salary and performance-based bonuses. Get healthcare, retirement matching, and equity for US employees.
• Use the office stipend to get the supplies you need—combat Zoom fatigue with no-meeting Fridays.
• Flexible time off. Take the time you need to recharge. Our culture encourages team members to explore and rest to be their best selves.
• We're remote, not lonely. Join the culture committee, coffee chats, book club, or a variety of other interest groups.
  
  

• Final compensation details will be determined based on a wide variety of factors, including experience and location. These factors will be evaluated and considered by Worldly throughout the entirety of this process.
• Compensation will be converted to the applicable currency by Deel, based on region.

• Seniority level Mid-Senior level

• Employment type Full-time

• Job function Engineering and Information Technology
• Industries IT Services and IT Consulting

Referrals increase your chances of interviewing at Worldly by 2x

We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.

We are a Portuguese technology consulting company with a strong outward look to the rest of Europe. We have 12 years of experience in the market and reached the status of “large company” in 2018. We now have more than 350 associates and we keep growing, with offices in Lisbon, Porto, and Leiria, as well as projects in more than 20 countries.

Our company is part of the national top 10, with a growth of 250% in the last years. Work-life balance is part of our DNA. We focus on win-win-win relationships, defining every moment of interaction as an experience with unique conditions. Working with Affinity is a “Lifetime Experience” where you will have the opportunity to demonstrate all your potential and to be successful on every level.

#welcometoyourfuture

Responsibilities

• Develop, maintain, and optimize core services in collaboration with a multidisciplinary team.
• Design and implement new features while ensuring scalability, performance, and stability of the platform.
• Contribute to integrations with partner systems and online stores, ensuring seamless data flow.
• Monitor, debug, and resolve technical issues to maintain high availability and reliability.
• Provide technical insights and suggest improvements that enhance user experience and business efficiency.
• Engage with both technical and business perspectives, aligning development work with real business impact.

Skills & Experience

• Strong expertise in Node.js (preferably with NestJS ) and proficiency in TypeScript .
• Solid knowledge of relational and non-relational databases (MySQL, PostgreSQL, MongoDB).
• Proficiency with Git for version control and collaborative development.
• Familiarity with Redis, RabbitMQ, Elasticsearch, Solr, Docker, Kubernetes, Linux or PHP are considered a plus.
• Strong problem-solving mindset with the ability to balance technical detail and business context.
• Effective communication, teamwork, and organizational skills, with a proactive and hands-on attitude.