Backend Engineer

Devexperts; Porto; Presencial; EUR 40 000 - 60 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Hybrid/remote work mode

Flexible working hours

Fully paid additional wellness days

Medical insurance

Fitness reimbursement

Meal allowance

Parking spaces

Free drinks and snacks

Free admission to corporate events

Local language courses

Unlimited access to self-learning platforms

Parental bonus

Pension plan

Referral bonus

Blood donation paid leave

Resumo da oferta

Devexperts is looking for a Backend Engineer to join their team in Porto, Portugal. You will work on developing one of the leading trading platforms in the USA which handles over 1 million requests per second. Your role will involve building backend services, solving scalability challenges, and ensuring high performance and code quality.

The ideal candidate has strong experience in Go or Python, with an understanding of system design and capital market operations. Flexibility in work regime and additional health benefits are provided.

Qualificações

• 3+ years of backend development experience.
• Strong proficiency in Go or Python.
• Solid understanding of system design principles.
• Experience with Kafka or similar streaming platforms.
• Proven experience delivering large technical projects.
• Strong focus on maintaining high code quality.
• Experience working in the capital/trading market.
• B2+ English for communication with multicultural teams.

Responsabilidades

• Build and own backend services and data systems.
• Solve complex scalability challenges.
• Handle business processes related to trading.
• Ensure high performance and fault tolerance.

Conhecimentos

Go

Python

System design principles

Kafka

Collaborating with cross-functional teams

Code quality maintenance

Capital/trading market experience

B2+ English

Ferramentas

PostgreSQL

Redis

DynamoDB

Kubernetes

AWS

Descrição da oferta de emprego

Devexperts works with respected financial institutions, delivering products and tailor-made solutions for retail and brokerage houses, exchanges, and buy-side firms. The company focuses on trading platforms and brokerage automation, complex software development projects, market data products, and IT consulting services.

Job Description

We are looking for a Backend Engineer to join the team.

Our current project involves developing one of the leading trading platforms in the USA, serving a user base of over 200,000 online users daily across desktops, mobile devices, and the web. The system is capable of processing over 1 million requests per second across its distributed infrastructure.

The responsibilities of the platform's backend services include handling all business processes related to trading, such as order issuance, validation, routing, execution, option price calculation, and reconciliation. We prioritize high performance, low latency, and fault tolerance in our day-to-day tasks. We ensure code quality by performing careful code reviews and various types of testing.

As a Backend Engineer, you’ll build and own backend services, infrastructure, and data systems. You’ll solve complex scalability challenges while gaining deep expertise in U.S. financial systems and making a direct impact on the products used by millions.

Qualifications

• 3+ years of backend development experience,
• Strong proficiency in Go or Python,
• Solid understanding of system design principles,
• Experience with Kafka (or similar streaming platforms),
• Proven experience delivering large technical projects while collaborating with cross-functional teams,
• Strong focus on maintaining high code quality and participating in thorough code review processes,
• Experience working in the capital/trading market,
• B2+ English to be able to communicate with multicultural teams and a US customer.

Considered a plus

• Familiarity with PostgreSQL, Redis, DynamoDB, Kubernetes, AWS (or similar cloud platforms),
• Experience working in high-load systems,
• Hands‑on experience in concurrent programming and understanding of thread synchronization approaches.

Work Regime Flexibility benefits

• Possibility of hybrid/remote work mode,
• Flexible working hours.

Health and recreation benefits

• Fully paid additional wellness days (3 unwell days per year),
• Medical insurance for the employees and children,
• Reimbursement of fitness / Urban Sports Club Membership,
• Meal allowance & Flexpay System (Coverflex Card),

Facility benefits

• Parking spaces,
• Free drinks and snacks.

Community benefits

• Free admission to corporate external events,
• Possibility of joining conferences and professional fairs,
• Personal branding development support.

Professional training benefits

• Local language courses for foreign employees,
• Unlimited access to self‑learning platforms.

Social benefits

• Parental bonus,
• Pension plan (Coverflex),
• Referral bonus,
• Blood donation paid leave.